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1. Combined limits on WIMPs from the CDMS and EDELWEISS experiments

Author: Ahmed, Z, Akerib, D, Armengaud, E, Arrenberg, S, Augier, C, Bailey, C, Balakishiyeva, D, Baudis, L, Bauer, D, Benoit, A, Berge, L, Bluemer, J, Brink, P, Broniatowski, A, Bruch, T, Brudanin, V, Bunker, R, Cabrera, B, Caldwell, D, Censier, B, Chapellier, M, Chardin, G, Charlieux, F, Cooley, J, Coulter, P, Cox, G, Cushman, P, Daal, M, Defay, X, De Jesus, M, Dejongh, F, Di Stefano, P, Dolgorouki, Y, Domange, J, Dumoulin, L, Dragowsky, M, Eitel, K, Fallows, S, Figueroa Feliciano, E, Filippini, J, Filosofov, D, Fourches, N, Fox, J, Fritts, M, Gascon, J, Gerbier, G, Gironnet, J, Golwala, S, Gros, M, Hall, J, Hennings Yeomans, R, Henry, S, Hertel, S, Herve, S, Holmgren, D, Hsu, L, Huber, M, Juillard, A, Kamaev, O, Kiveni, M, Kluck, H, Kos, M, Kozlov, V, Kraus, H, Kudryavtsev, V, Leman, S, Liu, S, Loaiza, P, Mahapatra, R, Mandic, V, Marnieros, S, Martinez, C, Mccarthy, K, Mirabolfathi, N, Moore, D, Nadeau, P, Navick, X, Nelson, H, Nones, C, Ogburn, R, Olivieri, E, Pari, P, Pattavina, L, Paul, B, Phipps, A, Pyle, M, Qiu, X, Rau, W, Reisetter, A, Ricci, Y, Robinson, M, Rozov, S, Saab, T, Sadoulet, B, Sander, J, Sanglard, V, Schmidt, B, Schnee, R, Scorza, S, Seitz, D, Semikh, S, Serfass, B, Sundqvist, K, Tarka, M, Torrento Coello, A, Vagneron, L, Verdier, M, Walker, R, Wikus, P, Yakushev, E, Yellin, S, Yoo, J, Young, B, Zhang, J, DeJongh, F, McCarthy, K, NONES, CLAUDIA, PATTAVINA, LUCA MARIA, Zhang, J., Ahmed, Z, Akerib, D, Armengaud, E, Arrenberg, S, Augier, C, Bailey, C, Balakishiyeva, D, Baudis, L, Bauer, D, Benoit, A, Berge, L, Bluemer, J, Brink, P, Broniatowski, A, Bruch, T, Brudanin, V, Bunker, R, Cabrera, B, Caldwell, D, Censier, B, Chapellier, M, Chardin, G, Charlieux, F, Cooley, J, Coulter, P, Cox, G, Cushman, P, Daal, M, Defay, X, De Jesus, M, Dejongh, F, Di Stefano, P, Dolgorouki, Y, Domange, J, Dumoulin, L, Dragowsky, M, Eitel, K, Fallows, S, Figueroa Feliciano, E, Filippini, J, Filosofov, D, Fourches, N, Fox, J, Fritts, M, Gascon, J, Gerbier, G, Gironnet, J, Golwala, S, Gros, M, Hall, J, Hennings Yeomans, R, Henry, S, Hertel, S, Herve, S, Holmgren, D, Hsu, L, Huber, M, Juillard, A, Kamaev, O, Kiveni, M, Kluck, H, Kos, M, Kozlov, V, Kraus, H, Kudryavtsev, V, Leman, S, Liu, S, Loaiza, P, Mahapatra, R, Mandic, V, Marnieros, S, Martinez, C, Mccarthy, K, Mirabolfathi, N, Moore, D, Nadeau, P, Navick, X, Nelson, H, Nones, C, Ogburn, R, Olivieri, E, Pari, P, Pattavina, L, Paul, B, Phipps, A, Pyle, M, Qiu, X, Rau, W, Reisetter, A, Ricci, Y, Robinson, M, Rozov, S, Saab, T, Sadoulet, B, Sander, J, Sanglard, V, Schmidt, B, Schnee, R, Scorza, S, Seitz, D, Semikh, S, Serfass, B, Sundqvist, K, Tarka, M, Torrento Coello, A, Vagneron, L, Verdier, M, Walker, R, Wikus, P, Yakushev, E, Yellin, S, Yoo, J, Young, B, Zhang, J, DeJongh, F, McCarthy, K, NONES, CLAUDIA, PATTAVINA, LUCA MARIA, and Zhang, J.
Abstract: The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614kg•days equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent weakly interacting, massive particle (WIMP)-nucleon cross section. For a WIMP mass of 90GeV/c2, where this analysis is most sensitive, a cross section of 3.3×10-44cm2 is excluded at 90% C.L. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700GeV/c2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others. © 2011 American Physical Society.
Published: 2011

2. FIRST MEASUREMENT OF THE LEFT-RIGHT ASYMMETRY IN Z-BOSON PRODUCTION

Author: Abe, K, Abt, I, Acton, P, Adolphsen, C, Agnew, G, Alber, C, Alzofon, D, Antilogus, P, Arroyo, C, Ash, W, Ashford, V, Astbury, A, Aston, D, Au, Y, Axen, D, Bacchetta, N, Baird, K, Baker, W, Baltay, C, Band, H, Baranko, G, Bardon, O, Barrera, F, Battiston, R, Bazarko, A, Bean, A, Beer, G, Belcinski, R, Bell, R, Bendavid, R, Benvenuti, A, Berger, R, Berridge, S, Bethke, S, Biasini, M, Bienz, T, Bilei, G, Bird, F, Bisello, D, Blaylock, G, Blumberg, R, Bogart, J, Bolton, T, Bougerolle, S, Bower, G, Boyce, R, Brau, J, Breidenbach, M, Browder, T, Bugg, W, Burgess, B, Burke, D, Burnett, T, Burrows, P, Busza, W, Byers, B, Calcaterra, A, Caldwell, D, Calloway, D, Camanzi, B, Camilleri, I, Carpinelli, M, Carr, J, Cartwright, S, Cassell, R, Castaldi, R, Castro, A, Cavallisforza, M, Chadwick, G, Chamberlain, O, Chambers, D, Chen, L, Clarke, P, Claus, R, Clendenin, J, Cohn, H, Coller, J, Cook, V, Cords, D, Cotton, R, Cowan, R, Coyle, P, Coyne, D, Craddock, W, Cutler, H, Doliveira, A, Damerell, C, Dasu, S, Davis, R, Desangro, R, Desimone, P, Desimone, S, Dean, T, Decker, R, Dejongh, F, Dellorso, R, Disco, A, Dolin, R, Downing, R, Du, Y, Dubois, R, Duboscq, J, Dunwoodie, W, Durrett, D, Ecklund, S, Eigen, G, Eisenstein, B, Elia, R, Emma, P, Emmet, W, English, R, Erdos, E, Escalera, J, Fan, C, Fero, M, Ferrie, J, Fieguth, T, Flynn, J, Forbush, D, Fortune, K, Fox, J, Fox, M, Frey, R, Freytag, D, Friedman, J, Frisch, J, Fujimoto, J, Furuno, K, Gaillard, M, Gallinaro, M, Garwin, E, Gillman, T, Gioumousis, A, Gladding, G, Gonzalez, S, Gurd, D, Hale, D, Haller, G, Hallewell, G, Hamilton, V, Haney, M, Hanslkozanecka, T, Hargis, H, Harrison, J, Hart, E, Hasegawa, K, Hasegawa, Y, Hedges, S, Hertzbach, S, Hildreth, M, Hilomen, R, Himel, T, Hitlin, D, Hodges, T, Hodgson, J, Hoeflich, J, Honma, A, Horelick, D, Huber, J, Huffer, M, Hughes, E, Hwang, H, Hyatt, E, Iwasaki, Y, Izen, J, Jobe, R, Jacques, P, Jako, C, Johnson, A, Johnson, J, Johnson, R, Jones, S, Junk, T, Kaiser, S, Kajikawa, R, Kalelkar, M, Kang, H, Karliner, I, Kawahara, H, Keeler, R, Kelsey, M, Kendall, H, Kharakh, D, Kim, H, Kim, P, King, R, Klein, M, Kofler, R, Kowitt, M, Krejcik, P, Krishna, N, Kroeger, R, Kulikov, A, Kunz, P, Kwon, Y, Labs, J, Langstaff, R, Langston, M, Larsen, R, Lath, A, Lauber, J, Leith, D, Limberg, T, Lintern, L, Liu, X, Loreti, M, Lu, A, Lynch, H, Lyons, T, Ma, J, Majid, W, Mancinelli, G, Manly, S, Mansour, D, Mantovani, G, Markiewicz, T, Maruyama, T, Mason, G, Masuda, H, Mathys, L, Mazaheri, G, Mazzucato, A, Mazzucato, E, Mccormick, D, Mcgowan, J, Mchugh, S, Mckemey, A, Meadows, B, Mellor, D, Messner, R, Mincer, A, Minty, M, Mockett, P, Moffeit, K, Morrison, R, Mours, B, Mueller, G, Muller, D, Mundy, G, Nagamine, T, Nauenberg, U, Neal, H, Nelson, D, Nesterov, V, Nordby, M, Nussbaum, M, Nuttall, A, Ogren, H, Olsen, J, Oram, C, Osborne, L, Ossa, R, Oxoby, G, Paffrath, L, Palounek, A, Panvini, R, Park, H, Pauluzzi, M, Pavel, T, Perrier, F, Peruzzi, I, Pescara, L, Peters, D, Petersen, H, Petradza, M, Phinney, N, Piccolo, M, Piemontese, L, Pieroni, E, Pitthan, R, Pitts, K, Plano, R, Poffenberger, P, Prepost, R, Prescott, C, Pripstein, D, Punkar, G, Putallaz, G, Raimondi, P, Rankin, P, Ratcliff, B, Reeves, T, Rensing, P, Richman, J, Rinta, R, Robertson, L, Rochester, L, Rosenson, L, Ross, M, Rothberg, J, Rothenberg, A, Rowson, P, Russell, J, Rust, D, Rutz, E, Saez, P, Santha, A, Santocchia, A, Saxton, O, Schalk, T, Schenk, P, Schindler, R, Schneekloth, U, Schneider, M, Schultz, D, Schultz, G, Schumm, B, Seeman, J, Seiden, A, Servoli, L, Settles, M, Shaevitz, M, Shank, J, Shapiro, G, Shapiro, S, Shaw, H, Sheppard, J, Sherden, D, Shimomura, T, Shoup, A, Shypit, R, Siemann, R, Simopoulos, C, Skarpaas, K, Smith, S, Snyder, A, Snyder, J, Sobie, R, Sokoloff, M, Spence, W, Spencer, E, Stlorant, S, Stamer, P, Steiner, H, Steiner, R, Stephenson, R, Stewart, G, Stiles, P, Stockdale, I, Strauss, M, Su, D, Suekane, F, Sugiyama, A, Suzuki, S, Swartz, M, Szumilo, A, Tahar, M, Takahashi, T, Tang, H, Tappern, G, Tarnopolsky, G, Taylor, F, Tecchio, M, Thaler, J, Toevs, F, Toge, N, Turcotte, M, Turk, J, Turner, J, Usher, T, Vavra, J, Vannini, C, Vella, E, Venuti, J, Verdier, R, Verdini, P, Wadsworth, B, Waite, A, Walker, N, Walz, D, Warner, D, Watt, R, Watts, S, Weber, T, Weidemann, A, Whitaker, J, White, S, Wickens, F, Wickert, S, Williams, D, Williams, R, Williams, S, Wilson, R, Wisniewski, W, Witherell, M, Woodly, M, Woods, M, Word, G, Wyss, J, Yamamoto, R, Yamartino, J, Yee, C, Yeremian, A, Yellin, S, Yim, A, Young, C, Young, K, Yuta, H, Zapalac, G, Zdarko, R, Zeitlin, C, Zhou, J, Ziemann, V, Zolotorev, M, Zucchelli, P, ABE K, ABT I, ACTON PD, ADOLPHSEN CE, AGNEW G, ALBER C, ALZOFON DF, ANTILOGUS P, ARROYO C, ASH WW, ASHFORD V, ASTBURY A, ASTON D, AU Y, AXEN DA, BACCHETTA N, BAIRD KG, BAKER W, BALTAY C, BAND HR, BARANKO G, BARDON O, BARRERA F, BATTISTON R, BAZARKO AO, BEAN A, BEER G, BELCINSKI RJ, BELL RA, BENDAVID R, BENVENUTI AC, BERGER R, BERRIDGE SC, BETHKE S, BIASINI M, BIENZ T, BILEI GM, BIRD F, BISELLO D, BLAYLOCK G, BLUMBERG R, BOGART JR, BOLTON T, BOUGEROLLE S, BOWER GR, BOYCE RF, BRAU JE, BREIDENBACH M, BROWDER TE, BUGG WM, BURGESS B, BURKE D, BURNETT TH, BURROWS PN, BUSZA W, BYERS BL, CALCATERRA A, CALDWELL DO, CALLOWAY D, CAMANZI B, CAMILLERI I, CARPINELLI, Massimo, CARR J, CARTWRIGHT S, CASSELL R, CASTALDI R, CASTRO A, CAVALLISFORZA M, CHADWICK GB, CHAMBERLAIN O, CHAMBERS D, CHEN L, CLARKE PEL, CLAUS R, CLENDENIN J, COHN HO, COLLER JA, COOK V, CORDS D, COTTON R, COWAN RF, COYLE PA, COYNE DG, CRADDOCK W, CUTLER H, DOLIVEIRA A, DAMERELL CJS, DASU S, DAVIS R, DESANGRO R, DESIMONE P, DESIMONE S, DEAN T, DECKER RJ, DEJONGH F, DELLORSO R, DISCO A, DOLIN R, DOWNING RW, DU YC, DUBOIS R, DUBOSCQ JE, DUNWOODIE W, DURRETT DD, ECKLUND SD, EIGEN G, EISENSTEIN BI, ELIA R, EMMA PJ, EMMET WT, ENGLISH RL, ERDOS E, ESCALERA J, FAN C, FERO MJ, FERRIE J, FIEGUTH T, FLYNN J, FORBUSH DA, FORTUNE KM, FOX JD, FOX MJ, FREY R, FREYTAG DR, FRIEDMAN JI, FRISCH J, FUJIMOTO J, FURUNO K, GAILLARD M, GALLINARO M, GARWIN E, GILLMAN T, GIOUMOUSIS A, GLADDING G, GONZALEZ S, GURD DP, HALE DL, HALLER GM, HALLEWELL GD, HAMILTON V, HANEY MJ, HANSLKOZANECKA T, HARGIS H, HARRISON J, HART EL, HASEGAWA K, HASEGAWA Y, HEDGES S, HERTZBACH SS, HILDRETH MD, HILOMEN RC, HIMEL TM, HITLIN DG, HODGES TA, HODGSON J, HOEFLICH JJ, HONMA A, HORELICK D, HUBER J, HUFFER ME, HUGHES EW, HWANG H, HYATT E, IWASAKI Y, IZEN JM, JOBE RK, JACQUES P, JAKO C, JOHNSON AS, JOHNSON JR, JOHNSON RA, JONES S, JUNK T, KAISER S, KAJIKAWA R, KALELKAR M, KANG H, KARLINER I, KAWAHARA H, KEELER RK, KELSEY MH, KENDALL HW, KHARAKH D, KIM HY, KIM PC, KING R, KLEIN M, KOFLER RR, KOWITT M, KREJCIK P, KRISHNA NM, KROEGER RS, KULIKOV AV, KUNZ PF, KWON Y, LABS JF, LANGSTAFF RR, LANGSTON M, LARSEN R, LATH A, LAUBER JA, LEITH DWG, LIMBERG T, LINTERN L, LIU X, LORETI M, LU A, LYNCH HL, LYONS T, MA J, MAJID WA, MANCINELLI G, MANLY S, MANSOUR D, MANTOVANI G, MARKIEWICZ TW, MARUYAMA T, MASON GR, MASUDA H, MATHYS L, MAZAHERI G, MAZZUCATO A, MAZZUCATO E, MCCORMICK DJ, MCGOWAN JF, MCHUGH S, MCKEMEY AK, MEADOWS BT, MELLOR DJ, MESSNER R, MINCER AI, MINTY M, MOCKETT PM, MOFFEIT KC, MORRISON RJ, MOURS B, MUELLER G, MULLER D, MUNDY G, NAGAMINE T, NAUENBERG U, NEAL H, NELSON D, NESTEROV V, NORDBY M, NUSSBAUM M, NUTTALL A, OGREN H, OLSEN J, ORAM C, OSBORNE LS, OSSA R, OXOBY G, PAFFRATH L, PALOUNEK A, PANVINI RS, PARK H, PAULUZZI M, PAVEL TJ, PERRIER F, PERUZZI I, PESCARA L, PETERS D, PETERSEN H, PETRADZA M, PHINNEY N, PICCOLO M, PIEMONTESE L, PIERONI E, PITTHAN R, PITTS KT, PLANO RJ, POFFENBERGER PR, PREPOST R, PRESCOTT CY, PRIPSTEIN D, PUNKAR GD, PUTALLAZ G, RAIMONDI P, RANKIN P, RATCLIFF BN, REEVES TW, RENSING PE, RICHMAN JD, RINTA R, ROBERTSON LP, ROCHESTER LS, ROSENSON L, ROSS MC, ROTHBERG JE, ROTHENBERG A, ROWSON PC, RUSSELL JJ, RUST D, RUTZ E, SAEZ P, SANTHA AK, SANTOCCHIA A, SAXTON OH, SCHALK T, SCHENK PR, SCHINDLER RH, SCHNEEKLOTH U, SCHNEIDER M, SCHULTZ D, SCHULTZ GE, SCHUMM BA, SEEMAN JT, SEIDEN A, SERVOLI L, SETTLES M, SHAEVITZ MH, SHANK JT, SHAPIRO G, SHAPIRO SL, SHAW H, SHEPPARD JC, SHERDEN DJ, SHIMOMURA T, SHOUP A, SHYPIT RL, SIEMANN RH, SIMOPOULOS C, SKARPAAS K, SMITH SR, SNYDER A, SNYDER JA, SOBIE R, SOKOLOFF MD, SPENCE WL, SPENCER EN, STLORANT S, STAMER P, STEINER H, STEINER R, STEPHENSON RJ, STEWART G, STILES P, STOCKDALE IE, STRAUSS MG, SU D, SUEKANE F, SUGIYAMA A, SUZUKI S, SWARTZ M, SZUMILO A, TAHAR MZ, TAKAHASHI T, TANG H, TAPPERN GJ, TARNOPOLSKY G, TAYLOR FE, TECCHIO M, THALER JJ, TOEVS F, TOGE N, TURCOTTE M, TURK JD, TURNER JL, USHER T, VAVRA J, VANNINI C, VELLA E, VENUTI JP, VERDIER R, VERDINI PG, WADSWORTH BF, WAITE AP, WALKER NJ, WALZ D, WARNER D, WATT R, WATTS SJ, WEBER T, WEIDEMANN AW, WHITAKER JS, WHITE SL, WICKENS FJ, WICKERT SA, WILLIAMS DA, WILLIAMS DC, WILLIAMS RW, WILLIAMS SH, WILSON RJ, WISNIEWSKI WJ, WITHERELL MS, WOODLY MD, WOODS M, WORD GB, WYSS J, YAMAMOTO RK, YAMARTINO JM, YEE C, YEREMIAN AD, YELLIN SJ, YIM A, YOUNG CC, YOUNG KK, YUTA H, ZAPALAC G, ZDARKO RW, ZEITLIN C, ZHOU J, ZIEMANN V, ZOLOTOREV M, ZUCCHELLI P., Abe, K, Abt, I, Acton, P, Adolphsen, C, Agnew, G, Alber, C, Alzofon, D, Antilogus, P, Arroyo, C, Ash, W, Ashford, V, Astbury, A, Aston, D, Au, Y, Axen, D, Bacchetta, N, Baird, K, Baker, W, Baltay, C, Band, H, Baranko, G, Bardon, O, Barrera, F, Battiston, R, Bazarko, A, Bean, A, Beer, G, Belcinski, R, Bell, R, Bendavid, R, Benvenuti, A, Berger, R, Berridge, S, Bethke, S, Biasini, M, Bienz, T, Bilei, G, Bird, F, Bisello, D, Blaylock, G, Blumberg, R, Bogart, J, Bolton, T, Bougerolle, S, Bower, G, Boyce, R, Brau, J, Breidenbach, M, Browder, T, Bugg, W, Burgess, B, Burke, D, Burnett, T, Burrows, P, Busza, W, Byers, B, Calcaterra, A, Caldwell, D, Calloway, D, Camanzi, B, Camilleri, I, Carpinelli, M, Carr, J, Cartwright, S, Cassell, R, Castaldi, R, Castro, A, Cavallisforza, M, Chadwick, G, Chamberlain, O, Chambers, D, Chen, L, Clarke, P, Claus, R, Clendenin, J, Cohn, H, Coller, J, Cook, V, Cords, D, Cotton, R, Cowan, R, Coyle, P, Coyne, D, Craddock, W, Cutler, H, Doliveira, A, Damerell, C, Dasu, S, Davis, R, Desangro, R, Desimone, P, Desimone, S, Dean, T, Decker, R, Dejongh, F, Dellorso, R, Disco, A, Dolin, R, Downing, R, Du, Y, Dubois, R, Duboscq, J, Dunwoodie, W, Durrett, D, Ecklund, S, Eigen, G, Eisenstein, B, Elia, R, Emma, P, Emmet, W, English, R, Erdos, E, Escalera, J, Fan, C, Fero, M, Ferrie, J, Fieguth, T, Flynn, J, Forbush, D, Fortune, K, Fox, J, Fox, M, Frey, R, Freytag, D, Friedman, J, Frisch, J, Fujimoto, J, Furuno, K, Gaillard, M, Gallinaro, M, Garwin, E, Gillman, T, Gioumousis, A, Gladding, G, Gonzalez, S, Gurd, D, Hale, D, Haller, G, Hallewell, G, Hamilton, V, Haney, M, Hanslkozanecka, T, Hargis, H, Harrison, J, Hart, E, Hasegawa, K, Hasegawa, Y, Hedges, S, Hertzbach, S, Hildreth, M, Hilomen, R, Himel, T, Hitlin, D, Hodges, T, Hodgson, J, Hoeflich, J, Honma, A, Horelick, D, Huber, J, Huffer, M, Hughes, E, Hwang, H, Hyatt, E, Iwasaki, Y, Izen, J, Jobe, R, Jacques, P, Jako, C, Johnson, A, Johnson, J, Johnson, R, Jones, S, Junk, T, Kaiser, S, Kajikawa, R, Kalelkar, M, Kang, H, Karliner, I, Kawahara, H, Keeler, R, Kelsey, M, Kendall, H, Kharakh, D, Kim, H, Kim, P, King, R, Klein, M, Kofler, R, Kowitt, M, Krejcik, P, Krishna, N, Kroeger, R, Kulikov, A, Kunz, P, Kwon, Y, Labs, J, Langstaff, R, Langston, M, Larsen, R, Lath, A, Lauber, J, Leith, D, Limberg, T, Lintern, L, Liu, X, Loreti, M, Lu, A, Lynch, H, Lyons, T, Ma, J, Majid, W, Mancinelli, G, Manly, S, Mansour, D, Mantovani, G, Markiewicz, T, Maruyama, T, Mason, G, Masuda, H, Mathys, L, Mazaheri, G, Mazzucato, A, Mazzucato, E, Mccormick, D, Mcgowan, J, Mchugh, S, Mckemey, A, Meadows, B, Mellor, D, Messner, R, Mincer, A, Minty, M, Mockett, P, Moffeit, K, Morrison, R, Mours, B, Mueller, G, Muller, D, Mundy, G, Nagamine, T, Nauenberg, U, Neal, H, Nelson, D, Nesterov, V, Nordby, M, Nussbaum, M, Nuttall, A, Ogren, H, Olsen, J, Oram, C, Osborne, L, Ossa, R, Oxoby, G, Paffrath, L, Palounek, A, Panvini, R, Park, H, Pauluzzi, M, Pavel, T, Perrier, F, Peruzzi, I, Pescara, L, Peters, D, Petersen, H, Petradza, M, Phinney, N, Piccolo, M, Piemontese, L, Pieroni, E, Pitthan, R, Pitts, K, Plano, R, Poffenberger, P, Prepost, R, Prescott, C, Pripstein, D, Punkar, G, Putallaz, G, Raimondi, P, Rankin, P, Ratcliff, B, Reeves, T, Rensing, P, Richman, J, Rinta, R, Robertson, L, Rochester, L, Rosenson, L, Ross, M, Rothberg, J, Rothenberg, A, Rowson, P, Russell, J, Rust, D, Rutz, E, Saez, P, Santha, A, Santocchia, A, Saxton, O, Schalk, T, Schenk, P, Schindler, R, Schneekloth, U, Schneider, M, Schultz, D, Schultz, G, Schumm, B, Seeman, J, Seiden, A, Servoli, L, Settles, M, Shaevitz, M, Shank, J, Shapiro, G, Shapiro, S, Shaw, H, Sheppard, J, Sherden, D, Shimomura, T, Shoup, A, Shypit, R, Siemann, R, Simopoulos, C, Skarpaas, K, Smith, S, Snyder, A, Snyder, J, Sobie, R, Sokoloff, M, Spence, W, Spencer, E, Stlorant, S, Stamer, P, Steiner, H, Steiner, R, Stephenson, R, Stewart, G, Stiles, P, Stockdale, I, Strauss, M, Su, D, Suekane, F, Sugiyama, A, Suzuki, S, Swartz, M, Szumilo, A, Tahar, M, Takahashi, T, Tang, H, Tappern, G, Tarnopolsky, G, Taylor, F, Tecchio, M, Thaler, J, Toevs, F, Toge, N, Turcotte, M, Turk, J, Turner, J, Usher, T, Vavra, J, Vannini, C, Vella, E, Venuti, J, Verdier, R, Verdini, P, Wadsworth, B, Waite, A, Walker, N, Walz, D, Warner, D, Watt, R, Watts, S, Weber, T, Weidemann, A, Whitaker, J, White, S, Wickens, F, Wickert, S, Williams, D, Williams, R, Williams, S, Wilson, R, Wisniewski, W, Witherell, M, Woodly, M, Woods, M, Word, G, Wyss, J, Yamamoto, R, Yamartino, J, Yee, C, Yeremian, A, Yellin, S, Yim, A, Young, C, Young, K, Yuta, H, Zapalac, G, Zdarko, R, Zeitlin, C, Zhou, J, Ziemann, V, Zolotorev, M, Zucchelli, P, ABE K, ABT I, ACTON PD, ADOLPHSEN CE, AGNEW G, ALBER C, ALZOFON DF, ANTILOGUS P, ARROYO C, ASH WW, ASHFORD V, ASTBURY A, ASTON D, AU Y, AXEN DA, BACCHETTA N, BAIRD KG, BAKER W, BALTAY C, BAND HR, BARANKO G, BARDON O, BARRERA F, BATTISTON R, BAZARKO AO, BEAN A, BEER G, BELCINSKI RJ, BELL RA, BENDAVID R, BENVENUTI AC, BERGER R, BERRIDGE SC, BETHKE S, BIASINI M, BIENZ T, BILEI GM, BIRD F, BISELLO D, BLAYLOCK G, BLUMBERG R, BOGART JR, BOLTON T, BOUGEROLLE S, BOWER GR, BOYCE RF, BRAU JE, BREIDENBACH M, BROWDER TE, BUGG WM, BURGESS B, BURKE D, BURNETT TH, BURROWS PN, BUSZA W, BYERS BL, CALCATERRA A, CALDWELL DO, CALLOWAY D, CAMANZI B, CAMILLERI I, CARPINELLI, Massimo, CARR J, CARTWRIGHT S, CASSELL R, CASTALDI R, CASTRO A, CAVALLISFORZA M, CHADWICK GB, CHAMBERLAIN O, CHAMBERS D, CHEN L, CLARKE PEL, CLAUS R, CLENDENIN J, COHN HO, COLLER JA, COOK V, CORDS D, COTTON R, COWAN RF, COYLE PA, COYNE DG, CRADDOCK W, CUTLER H, DOLIVEIRA A, DAMERELL CJS, DASU S, DAVIS R, DESANGRO R, DESIMONE P, DESIMONE S, DEAN T, DECKER RJ, DEJONGH F, DELLORSO R, DISCO A, DOLIN R, DOWNING RW, DU YC, DUBOIS R, DUBOSCQ JE, DUNWOODIE W, DURRETT DD, ECKLUND SD, EIGEN G, EISENSTEIN BI, ELIA R, EMMA PJ, EMMET WT, ENGLISH RL, ERDOS E, ESCALERA J, FAN C, FERO MJ, FERRIE J, FIEGUTH T, FLYNN J, FORBUSH DA, FORTUNE KM, FOX JD, FOX MJ, FREY R, FREYTAG DR, FRIEDMAN JI, FRISCH J, FUJIMOTO J, FURUNO K, GAILLARD M, GALLINARO M, GARWIN E, GILLMAN T, GIOUMOUSIS A, GLADDING G, GONZALEZ S, GURD DP, HALE DL, HALLER GM, HALLEWELL GD, HAMILTON V, HANEY MJ, HANSLKOZANECKA T, HARGIS H, HARRISON J, HART EL, HASEGAWA K, HASEGAWA Y, HEDGES S, HERTZBACH SS, HILDRETH MD, HILOMEN RC, HIMEL TM, HITLIN DG, HODGES TA, HODGSON J, HOEFLICH JJ, HONMA A, HORELICK D, HUBER J, HUFFER ME, HUGHES EW, HWANG H, HYATT E, IWASAKI Y, IZEN JM, JOBE RK, JACQUES P, JAKO C, JOHNSON AS, JOHNSON JR, JOHNSON RA, JONES S, JUNK T, KAISER S, KAJIKAWA R, KALELKAR M, KANG H, KARLINER I, KAWAHARA H, KEELER RK, KELSEY MH, KENDALL HW, KHARAKH D, KIM HY, KIM PC, KING R, KLEIN M, KOFLER RR, KOWITT M, KREJCIK P, KRISHNA NM, KROEGER RS, KULIKOV AV, KUNZ PF, KWON Y, LABS JF, LANGSTAFF RR, LANGSTON M, LARSEN R, LATH A, LAUBER JA, LEITH DWG, LIMBERG T, LINTERN L, LIU X, LORETI M, LU A, LYNCH HL, LYONS T, MA J, MAJID WA, MANCINELLI G, MANLY S, MANSOUR D, MANTOVANI G, MARKIEWICZ TW, MARUYAMA T, MASON GR, MASUDA H, MATHYS L, MAZAHERI G, MAZZUCATO A, MAZZUCATO E, MCCORMICK DJ, MCGOWAN JF, MCHUGH S, MCKEMEY AK, MEADOWS BT, MELLOR DJ, MESSNER R, MINCER AI, MINTY M, MOCKETT PM, MOFFEIT KC, MORRISON RJ, MOURS B, MUELLER G, MULLER D, MUNDY G, NAGAMINE T, NAUENBERG U, NEAL H, NELSON D, NESTEROV V, NORDBY M, NUSSBAUM M, NUTTALL A, OGREN H, OLSEN J, ORAM C, OSBORNE LS, OSSA R, OXOBY G, PAFFRATH L, PALOUNEK A, PANVINI RS, PARK H, PAULUZZI M, PAVEL TJ, PERRIER F, PERUZZI I, PESCARA L, PETERS D, PETERSEN H, PETRADZA M, PHINNEY N, PICCOLO M, PIEMONTESE L, PIERONI E, PITTHAN R, PITTS KT, PLANO RJ, POFFENBERGER PR, PREPOST R, PRESCOTT CY, PRIPSTEIN D, PUNKAR GD, PUTALLAZ G, RAIMONDI P, RANKIN P, RATCLIFF BN, REEVES TW, RENSING PE, RICHMAN JD, RINTA R, ROBERTSON LP, ROCHESTER LS, ROSENSON L, ROSS MC, ROTHBERG JE, ROTHENBERG A, ROWSON PC, RUSSELL JJ, RUST D, RUTZ E, SAEZ P, SANTHA AK, SANTOCCHIA A, SAXTON OH, SCHALK T, SCHENK PR, SCHINDLER RH, SCHNEEKLOTH U, SCHNEIDER M, SCHULTZ D, SCHULTZ GE, SCHUMM BA, SEEMAN JT, SEIDEN A, SERVOLI L, SETTLES M, SHAEVITZ MH, SHANK JT, SHAPIRO G, SHAPIRO SL, SHAW H, SHEPPARD JC, SHERDEN DJ, SHIMOMURA T, SHOUP A, SHYPIT RL, SIEMANN RH, SIMOPOULOS C, SKARPAAS K, SMITH SR, SNYDER A, SNYDER JA, SOBIE R, SOKOLOFF MD, SPENCE WL, SPENCER EN, STLORANT S, STAMER P, STEINER H, STEINER R, STEPHENSON RJ, STEWART G, STILES P, STOCKDALE IE, STRAUSS MG, SU D, SUEKANE F, SUGIYAMA A, SUZUKI S, SWARTZ M, SZUMILO A, TAHAR MZ, TAKAHASHI T, TANG H, TAPPERN GJ, TARNOPOLSKY G, TAYLOR FE, TECCHIO M, THALER JJ, TOEVS F, TOGE N, TURCOTTE M, TURK JD, TURNER JL, USHER T, VAVRA J, VANNINI C, VELLA E, VENUTI JP, VERDIER R, VERDINI PG, WADSWORTH BF, WAITE AP, WALKER NJ, WALZ D, WARNER D, WATT R, WATTS SJ, WEBER T, WEIDEMANN AW, WHITAKER JS, WHITE SL, WICKENS FJ, WICKERT SA, WILLIAMS DA, WILLIAMS DC, WILLIAMS RW, WILLIAMS SH, WILSON RJ, WISNIEWSKI WJ, WITHERELL MS, WOODLY MD, WOODS M, WORD GB, WYSS J, YAMAMOTO RK, YAMARTINO JM, YEE C, YEREMIAN AD, YELLIN SJ, YIM A, YOUNG CC, YOUNG KK, YUTA H, ZAPALAC G, ZDARKO RW, ZEITLIN C, ZHOU J, ZIEMANN V, ZOLOTOREV M, and ZUCCHELLI P.
Abstract: We present the first measurement of the left-right cross-section asymmetry (A(LR)) in Z-boson production observed at the SLAC Linear Collider. In 1992 the SLD detector recorded 10 224 Z events produced by the collision of longitudinally polarized electrons with an unpolarized positron beam at a center-of-mass energy of 91.55 GeV. The average electron beam polarization during the run was (22.4 +/- 0.6)%. We measure A(LR) to be 0.100 +/- 0.044 (stat.) +/- 0.004 (syst.), which determines the effective weak mixing angle to be sin2 theta(W)eff = 0.2378 +/- 0.0056 (stat.) +/- 0.0005 (syst.).
Published: 1993

3. A method for measuring coherent elastic neutrino-nucleus scattering at a far off-axis high-energy neutrino beam target

Author: Physics, Brice, S. J., Cooper, R. L., DeJongh, F., Empl, A., Garrison, L. M., Hime, A., Hungerford, Ed V., Kobilarcik, T., Loer, B., Mariani, Camillo, Mocko, M., Muhrer, G., Pattie, R., Pavlovic, Z., Ramberg, E., Scholberg, K., Tayloe, R., Thornton, R. T., Yoo, J., Young, A., Physics, Brice, S. J., Cooper, R. L., DeJongh, F., Empl, A., Garrison, L. M., Hime, A., Hungerford, Ed V., Kobilarcik, T., Loer, B., Mariani, Camillo, Mocko, M., Muhrer, G., Pattie, R., Pavlovic, Z., Ramberg, E., Scholberg, K., Tayloe, R., Thornton, R. T., Yoo, J., and Young, A.
Abstract: We present a new experimental method for measuring the process of Coherent Elastic Neutrino Nucleus Scattering (CENNS). This method uses a detector situated transverse to a high energy neutrino beam production target. This detector would be sensitive to the low energy neutrinos arising from pion decays-at-rest in the target. We discuss the physics motivation for making this measurement and outline the predicted backgrounds and sensitivities using this approach. We report a measurement of neutron backgrounds as found in an off-axis surface location of the Fermilab Booster Neutrino Beam (BNB) target. The results indicate that the Fermilab BNB target is a favorable location for a CENNS experiment.
Published: 2014

4. Measurement of Scintillation and Ionization Yield and Scintillation Pulse Shape from Nuclear Recoils in Liquid Argon

Author: Cao, H., Alexander, T., Aprahamian, A., Avetisyan, R., Back, H. O., Cocco, A. G., DeJongh, F., Fiorillo, G., Galbiati, C., Grandi, L., Guardincerri, Y., Kendziora, C., Lippincott, W. H., Love, C., Lyons, S., Manenti, L., Martoff, C. J., Meng, Y., Montanari, D., Mosteiro, P., Olvitt, D., Pordes, S., Qian, H., Rossi, B., Saldanha, R., Sangiorgio, S., Siegl, K., Strauss, S. Y., Tan, W., Tatarowicz, J., Walker, S., Wang, H., Watson, A. W., Westerdale, S., Yoo, J., Cao, H., Alexander, T., Aprahamian, A., Avetisyan, R., Back, H. O., Cocco, A. G., DeJongh, F., Fiorillo, G., Galbiati, C., Grandi, L., Guardincerri, Y., Kendziora, C., Lippincott, W. H., Love, C., Lyons, S., Manenti, L., Martoff, C. J., Meng, Y., Montanari, D., Mosteiro, P., Olvitt, D., Pordes, S., Qian, H., Rossi, B., Saldanha, R., Sangiorgio, S., Siegl, K., Strauss, S. Y., Tan, W., Tatarowicz, J., Walker, S., Wang, H., Watson, A. W., Westerdale, S., and Yoo, J.
Abstract: We have measured the scintillation and ionization yield of recoiling nuclei in liquid argon as a function of applied electric field by exposing a dual-phase liquid argon time projection chamber (LAr-TPC) to a low energy pulsed narrow band neutron beam produced at the Notre Dame Institute for Structure and Nuclear Astrophysics. Liquid scintillation counters were arranged to detect and identify neutrons scattered in the TPC and to select the energy of the recoiling nuclei. We report measurements of the scintillation yields for nuclear recoils with energies from 10.3 to 57.3 keV and for median applied electric fields from 0 to 970 V/cm. For the ionization yields, we report measurements from 16.9 to 57.3 keV and for electric fields from 96.4 to 486 V/cm. We also report the observation of an anticorrelation between scintillation and ionization from nuclear recoils, which is similar to the anticorrelation between scintillation and ionization from electron recoils. Assuming that the energy loss partitions into excitons and ion pairs from $^{83m}$Kr internal conversion electrons is comparable to that from $^{207}$Bi conversion electrons, we obtained the numbers of excitons ($N_{ex}$) and ion pairs ($N_i$) and their ratio ($N_{ex}/N_i$) produced by nuclear recoils from 16.9 to 57.3 keV. Motivated by arguments suggesting direction sensitivity in LAr-TPC signals due to columnar recombination, a comparison of the light and charge yield of recoils parallel and perpendicular to the applied electric field is presented for the first time., Comment: v2 to reflect published version
Published: 2014
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5. Silicon detector results from the first five-tower run of CDMS II

Author: Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, Di Stefano, PCF, Do Couto E Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Lopez-Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, Zhang, J, Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, Di Stefano, PCF, Do Couto E Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Lopez-Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, and Zhang, J
Abstract: We report results of a search for weakly interacting massive particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006-2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ∼1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7-100 keV for an ideal Si detector and a WIMP mass of 10 GeV/c2. These data set an upper limit of 1.7×10-41 cm2 on the WIMP-nucleon spin-independent cross section of a 10 GeV/c2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs. © 2013 American Physical Society.
Published: 2013

6. Silicon detector dark matter results from the final exposure of CDMS II.

Author: Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Billard, J, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, do Couto e Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Loer, B, Lopez Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, Zhang, J, CDMS Collaboration, Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Billard, J, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, do Couto e Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Loer, B, Lopez Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, Zhang, J, and CDMS Collaboration
Abstract: We report results of a search for weakly interacting massive particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg day of data taken between July 2007 and September 2008 revealed three WIMP-candidate events with a surface-event background estimate of 0.41(-0.08)(+0.20)(stat)(-0.24)(+0.28)(syst). Other known backgrounds from neutrons and 206Pb are limited to <0.13 and <0.08 events at the 90% confidence level, respectively. The exposure of this analysis is equivalent to 23.4 kg day for a recoil energy range of 7-100 keV for a WIMP of mass 10 GeV/c2. The probability that the known backgrounds would produce three or more events in the signal region is 5.4%. A profile likelihood ratio test of the three events that includes the measured recoil energies gives a 0.19% probability for the known-background-only hypothesis when tested against the alternative WIMP+background hypothesis. The highest likelihood occurs for a WIMP mass of 8.6 GeV/c2 and WIMP-nucleon cross section of 1.9×10(-41) cm2.
Published: 2013

7. Silicon detector results from the first five-tower run of CDMS II

Author: CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., Zhan, J., CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., and Zhan, J.
Abstract: We report results of a search for Weakly Interacting Massive Particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006-2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ~1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7-100 keV for an ideal Si detector and a WIMP mass of 10 GeV/c2. These data set an upper limit of 1.7x10-41 cm2 on the WIMP-nucleon spin-independent cross section of a 10 GeV/c2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs., Comment: 5 pages, 4 figures; updated to match published version
Published: 2013
Full Text: View/download PDF

8. Silicon detector results from the first five-tower run of CDMS II

Author: Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, Di Stefano, PCF, Do Couto E Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Lopez-Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, Zhang, J, Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, Di Stefano, PCF, Do Couto E Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Lopez-Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, and Zhang, J
Abstract: We report results of a search for weakly interacting massive particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006-2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ∼1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7-100 keV for an ideal Si detector and a WIMP mass of 10 GeV/c2. These data set an upper limit of 1.7×10-41 cm2 on the WIMP-nucleon spin-independent cross section of a 10 GeV/c2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs. © 2013 American Physical Society.
Published: 2013

9. Silicon detector dark matter results from the final exposure of CDMS II.

Author: Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Billard, J, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, do Couto e Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Loer, B, Lopez Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, Zhang, J, CDMS Collaboration, Agnese, R, Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Billard, J, Borgland, A, Brandt, D, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Dejongh, F, do Couto e Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, RH, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kim, P, Kiveni, M, Koch, K, Kos, M, Leman, SW, Loer, B, Lopez Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Sundqvist, KM, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Yoo, J, Young, BA, Zhang, J, and CDMS Collaboration
Abstract: We report results of a search for weakly interacting massive particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg day of data taken between July 2007 and September 2008 revealed three WIMP-candidate events with a surface-event background estimate of 0.41(-0.08)(+0.20)(stat)(-0.24)(+0.28)(syst). Other known backgrounds from neutrons and 206Pb are limited to <0.13 and <0.08 events at the 90% confidence level, respectively. The exposure of this analysis is equivalent to 23.4 kg day for a recoil energy range of 7-100 keV for a WIMP of mass 10 GeV/c2. The probability that the known backgrounds would produce three or more events in the signal region is 5.4%. A profile likelihood ratio test of the three events that includes the measured recoil energies gives a 0.19% probability for the known-background-only hypothesis when tested against the alternative WIMP+background hypothesis. The highest likelihood occurs for a WIMP mass of 8.6 GeV/c2 and WIMP-nucleon cross section of 1.9×10(-41) cm2.
Published: 2013

10. Silicon detector results from the first five-tower run of CDMS II

Author: CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., Zhan, J., CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., and Zhan, J.
Abstract: We report results of a search for Weakly Interacting Massive Particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006-2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ~1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7-100 keV for an ideal Si detector and a WIMP mass of 10 GeV/c2. These data set an upper limit of 1.7x10-41 cm2 on the WIMP-nucleon spin-independent cross section of a 10 GeV/c2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs., Comment: 5 pages, 4 figures; updated to match published version
Published: 2013
Full Text: View/download PDF

11. Silicon detector results from the first five-tower run of CDMS II

Author: CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., Zhan, J., CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., and Zhan, J.
Abstract: We report results of a search for Weakly Interacting Massive Particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006-2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ~1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7-100 keV for an ideal Si detector and a WIMP mass of 10 GeV/c2. These data set an upper limit of 1.7x10-41 cm2 on the WIMP-nucleon spin-independent cross section of a 10 GeV/c2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs., Comment: 5 pages, 4 figures; updated to match published version
Published: 2013
Full Text: View/download PDF

12. Silicon detector results from the first five-tower run of CDMS II

Author: CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., Zhan, J., CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Di Stefano, P. C. F., Silva, E. do Couto e, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Lopez-Asamar, E., Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., and Zhan, J.
Abstract: We report results of a search for Weakly Interacting Massive Particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006-2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ~1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7-100 keV for an ideal Si detector and a WIMP mass of 10 GeV/c2. These data set an upper limit of 1.7x10-41 cm2 on the WIMP-nucleon spin-independent cross section of a 10 GeV/c2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs., Comment: 5 pages, 4 figures; updated to match published version
Published: 2013
Full Text: View/download PDF

13. Silicon Detector Dark Matter Results from the Final Exposure of CDMS II

Author: CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Billard, J., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Silva, E. Do Couto E, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Loer, B., Asamar, E. Lopez, Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Billard, J., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Silva, E. Do Couto E, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Loer, B., Asamar, E. Lopez, Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report results of a search for Weakly Interacting Massive Particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg-days of data taken between July 2007 and September 2008 revealed three WIMP-candidate events with a surface-event background estimate of 0.41^{+0.20}_{-0.08}(stat.)^{+0.28}_{-0.24}(syst.). Other known backgrounds from neutrons and 206Pb are limited to < 0.13 and <0.08 events at the 90% confidence level, respectively. The exposure of this analysis is equivalent to 23.4 kg-days for a recoil energy range of 7-100 keV for a WIMP of mass 10 GeV/c2. The probability that the known backgrounds would produce three or more events in the signal region is 5.4%. A profile likelihood ratio test of the three events that includes the measured recoil energies gives a 0.19% probability for the known-background-only hypothesis when tested against the alternative WIMP+background hypothesis. The highest likelihood occurs for a WIMP mass of 8.6 GeV/c2 and WIMP-nucleon cross section of 1.9e-41 cm2., Comment: 5 pages, 4 figures, as accepted by PRL
Published: 2013

14. Silicon Detector Dark Matter Results from the Final Exposure of CDMS II

Author: CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Billard, J., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Silva, E. Do Couto E, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Loer, B., Asamar, E. Lopez, Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Agnese, R., Ahmed, Z., Anderson, A. J., Arrenberg, S., Balakishiyeva, D., Thakur, R. Basu, Bauer, D. A., Billard, J., Borgland, A., Brandt, D., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cerdeno, D. G., Chagani, H., Cooley, J., Cornell, B., Crewdson, C. H., Cushman, P., Daal, M., Dejongh, F., Silva, E. Do Couto E, Doughty, T., Esteban, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Godfrey, G. L., Golwala, S. R., Hall, J., Harris, R. H., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Jastram, A., Kamaev, O., Kara, B., Kelsey, M. H., Kennedy, A., Kim, P., Kiveni, M., Koch, K., Kos, M., Leman, S. W., Loer, B., Asamar, E. Lopez, Mahapatra, R., Mandic, V., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moffatt, R. A., Moore, D. C., Nadeau, P., Nelson, R. H., Page, K., Partridge, R., Pepin, M., Phipps, A., Prasad, K., Pyle, M., Qiu, H., Rau, W., Redl, P., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schneck, K., Schnee, R. W., Scorza, S., Serfass, B., Shank, B., Speller, D., Sundqvist, K. M., Villano, A. N., Welliver, B., Wright, D. H., Yellin, S., Yen, J. J., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report results of a search for Weakly Interacting Massive Particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg-days of data taken between July 2007 and September 2008 revealed three WIMP-candidate events with a surface-event background estimate of 0.41^{+0.20}_{-0.08}(stat.)^{+0.28}_{-0.24}(syst.). Other known backgrounds from neutrons and 206Pb are limited to < 0.13 and <0.08 events at the 90% confidence level, respectively. The exposure of this analysis is equivalent to 23.4 kg-days for a recoil energy range of 7-100 keV for a WIMP of mass 10 GeV/c2. The probability that the known backgrounds would produce three or more events in the signal region is 5.4%. A profile likelihood ratio test of the three events that includes the measured recoil energies gives a 0.19% probability for the known-background-only hypothesis when tested against the alternative WIMP+background hypothesis. The highest likelihood occurs for a WIMP mass of 8.6 GeV/c2 and WIMP-nucleon cross section of 1.9e-41 cm2., Comment: 5 pages, 4 figures, as accepted by PRL
Published: 2013

15. Observation of the Dependence of Scintillation from Nuclear Recoils in Liquid Argon on Drift Field

Author: Alexander, T., Back, H. O., Cao, H., Cocco, A. G., DeJongh, F., Fiorillo, G., Galbiati, C., Ghag, C., Grandi, L., Kendziora, C., Lippincott, W. H., Loer, B., Love, C., Manenti, L., Martoff, C. J., Meng, Y., Montanari, D., Mosteiro, P., Olvitt, D., Pordes, S., Qian, H., Rossi, B., Saldanha, R., Tan, W., Tatarowicz, J., Walker, S., Wang, H., Watson, A. W., Westerdale, S., Yoo, J., Alexander, T., Back, H. O., Cao, H., Cocco, A. G., DeJongh, F., Fiorillo, G., Galbiati, C., Ghag, C., Grandi, L., Kendziora, C., Lippincott, W. H., Loer, B., Love, C., Manenti, L., Martoff, C. J., Meng, Y., Montanari, D., Mosteiro, P., Olvitt, D., Pordes, S., Qian, H., Rossi, B., Saldanha, R., Tan, W., Tatarowicz, J., Walker, S., Wang, H., Watson, A. W., Westerdale, S., and Yoo, J.
Abstract: We have exposed a dual-phase Liquid Argon Time Projection Chamber (LAr-TPC) to a low energy pulsed narrowband neutron beam, produced at the Notre Dame Institute for Structure and Nuclear Astrophysics to study the scintillation light yield of recoiling nuclei in a LAr-TPC. A liquid scintillation counter was arranged to detect and identify neutrons scattered in the LAr-TPC target and to select the energy of the recoiling nuclei. We report the observation of a significant dependence on drift field of liquid argon scintillation from nuclear recoils of 11 keV. This observation is important because, to date, estimates of the sensitivity of noble liquid TPC dark matter searches are based on the assumption that electric field has only a small effect on the light yield from nuclear recoils., Comment: v3 updated to reflect published version, including a set of plots for 49.9 keV data
Published: 2013
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16. A New Method for Measuring Coherent Elastic Neutrino Nucleus Scattering at an Off-Axis High-Energy Neutrino Beam Target

Author: Brice, S. J., Cooper, R. L., DeJongh, F., Empl, A., Garrison, L. M., Hime, A., Hungerford, E., Kobilarcik, T., Loer, B., Mariani, C., Mocko, M., Muhrer, G., Pattie, R., Pavlovic, Z., Ramberg, E., Scholberg, K., Tayloe, R., Thornton, R. T., Yoo, J., Young, A., Brice, S. J., Cooper, R. L., DeJongh, F., Empl, A., Garrison, L. M., Hime, A., Hungerford, E., Kobilarcik, T., Loer, B., Mariani, C., Mocko, M., Muhrer, G., Pattie, R., Pavlovic, Z., Ramberg, E., Scholberg, K., Tayloe, R., Thornton, R. T., Yoo, J., and Young, A.
Abstract: We present a new experimental method for measuring the process of Coherent Elastic Neutrino Nucleus Scattering (CENNS). This method uses a detector situated transverse to a high energy neutrino beam production target. This detector would be sensitive to the low energy neutrinos arising from pion decays-at-rest in the target. We discuss the physics motivation for making this measurement and outline the predicted backgrounds and sensitivities using this approach. We report a measurement of neutron backgrounds as found in an off-axis surface location of the Fermilab Booster Neutrino Beam (BNB) target. The results indicate that the Fermilab BNB target is a favorable location for a CENNS experiment.
Published: 2013
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17. Mu2e Conceptual Design Report

Author: Project, The Mu2e, Project, The Mu2e, Collaboration, Abrams, RJ, Alezander, D, Ambrosio, G, Andreev, N, Ankenbrandt, CM, Asner, DM, Arnold, D, Artikov, A, Barnes, E, Bartoszek, L, Bernstein, RH, Biery, K, Biliyar, V, Bonicalzi, R, Bossert, R, Bowden, M, Brandt, J, Brown, DN, Budagov, J, Buehler, M, Burov, A, Carcagno, R, Carey, RM, Carosi, R, Cascella, M, Cauz, D, Cervelli, F, Chandra, A, Chang, JK, Cheng, C, Ciambrone, P, Coleman, RN, Cooper, M, Corcoran, MC, Cordelli, M, Davydov, Y, Gouvea, AL de, Lorenzis, L De, Debevec, PT, DeJongh, F, Densham, C, Deuerling, G, Dey, J, Falco, S Di, Dixon, S, Djilkibaev, R, Drendel, B, Dukes, EC, Dychkant, A, Echenard, B, Ehrlich, R, Evans, N, Evbota, D, Fang, I, Fast, JE, Feher, S, Fischler, M, Frank, M, Frlez, E, Fung, SS, Gallo, G, Galucci, G, Gaponenko, A, Genser, K, Giovannella, S, Glagolev, V, Glenzinski, D, Gnani, D, Goadhouse, S, Gollin, GD, Grace, C, Grancagnolo, F, Group, C, Hanson, J, Hanson, S, Happacher, F, Heckmaier, E, Hedin, D, Hertzog, DW, Hirosky, R, Hitlin, DG, Ho, E, Huang, X, Huedem, E, Hung, PQ, Hungerford, EV, Ito, T, Jaskierny, W, Jedziniak, R, Johnson, RP, Johnstone, C, Johnstone, JA, Kahn, SA, Kammel, P, Kang, TI, Kashikhin, VS, Kashikhin, VV, Kasper, P, Project, The Mu2e, Project, The Mu2e, Collaboration, Abrams, RJ, Alezander, D, Ambrosio, G, Andreev, N, Ankenbrandt, CM, Asner, DM, Arnold, D, Artikov, A, Barnes, E, Bartoszek, L, Bernstein, RH, Biery, K, Biliyar, V, Bonicalzi, R, Bossert, R, Bowden, M, Brandt, J, Brown, DN, Budagov, J, Buehler, M, Burov, A, Carcagno, R, Carey, RM, Carosi, R, Cascella, M, Cauz, D, Cervelli, F, Chandra, A, Chang, JK, Cheng, C, Ciambrone, P, Coleman, RN, Cooper, M, Corcoran, MC, Cordelli, M, Davydov, Y, Gouvea, AL de, Lorenzis, L De, Debevec, PT, DeJongh, F, Densham, C, Deuerling, G, Dey, J, Falco, S Di, Dixon, S, Djilkibaev, R, Drendel, B, Dukes, EC, Dychkant, A, Echenard, B, Ehrlich, R, Evans, N, Evbota, D, Fang, I, Fast, JE, Feher, S, Fischler, M, Frank, M, Frlez, E, Fung, SS, Gallo, G, Galucci, G, Gaponenko, A, Genser, K, Giovannella, S, Glagolev, V, Glenzinski, D, Gnani, D, Goadhouse, S, Gollin, GD, Grace, C, Grancagnolo, F, Group, C, Hanson, J, Hanson, S, Happacher, F, Heckmaier, E, Hedin, D, Hertzog, DW, Hirosky, R, Hitlin, DG, Ho, E, Huang, X, Huedem, E, Hung, PQ, Hungerford, EV, Ito, T, Jaskierny, W, Jedziniak, R, Johnson, RP, Johnstone, C, Johnstone, JA, Kahn, SA, Kammel, P, Kang, TI, Kashikhin, VS, Kashikhin, VV, and Kasper, P
Abstract: Mu2e at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for this process. The experiment's sensitivity offers discovery potential over a wide array of new physics models and probes mass scales well beyond the reach of the LHC. We describe herein the conceptual design of the proposed Mu2e experiment. This document was created in partial fulfillment of the requirements necessary to obtain DOE CD-1 approval, which was granted July 11, 2012.
Published: 2012

18. Search for annual modulation in low-energy CDMS-II data

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Anderson, A. J., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., Daal, M., DeJongh, F., Di Stefano, P. C. F., Dragowsky, M. R., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D. C., Nelson, H., Ogburn, R. W., Phipps, A., Prasad, K., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D., Serfass, B., Speller, D., Sundqvist, K. M., Tarka, M., Thakur, R. B., Villano, A. N., Welliver, B., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Anderson, A. J., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., Daal, M., DeJongh, F., Di Stefano, P. C. F., Dragowsky, M. R., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D. C., Nelson, H., Ogburn, R. W., Phipps, A., Prasad, K., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D., Serfass, B., Speller, D., Sundqvist, K. M., Tarka, M., Thakur, R. B., Villano, A. N., Welliver, B., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report limits on annual modulation of the low-energy event rate from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Such a modulation could be produced by interactions from Weakly Interacting Massive Particles (WIMPs) with masses ~10 GeV/c^2. We find no evidence for annual modulation in the event rate of veto-anticoincident single-detector interactions consistent with nuclear recoils, and constrain the magnitude of any modulation to <0.06 event [keVnr kg day]^-1 in the 5-11.9 keVnr energy range at the 99% confidence level. These results disfavor an explanation for the reported modulation in the 1.2-3.2 keVee energy range in CoGeNT in terms of nuclear recoils resulting from elastic scattering of WIMPs at >98% confidence. For events consistent with electron recoils, no significant modulation is observed for either single- or multiple-detector interactions in the 3.0-7.4 keVee range., Comment: 5 pages, plus 8 pages supplementary materials
Published: 2012

19. Mu2e Conceptual Design Report

Author: Project, The Mu2e, Project, The Mu2e, Collaboration, Abrams, RJ, Alezander, D, Ambrosio, G, Andreev, N, Ankenbrandt, CM, Asner, DM, Arnold, D, Artikov, A, Barnes, E, Bartoszek, L, Bernstein, RH, Biery, K, Biliyar, V, Bonicalzi, R, Bossert, R, Bowden, M, Brandt, J, Brown, DN, Budagov, J, Buehler, M, Burov, A, Carcagno, R, Carey, RM, Carosi, R, Cascella, M, Cauz, D, Cervelli, F, Chandra, A, Chang, JK, Cheng, C, Ciambrone, P, Coleman, RN, Cooper, M, Corcoran, MC, Cordelli, M, Davydov, Y, Gouvea, AL de, Lorenzis, L De, Debevec, PT, DeJongh, F, Densham, C, Deuerling, G, Dey, J, Falco, S Di, Dixon, S, Djilkibaev, R, Drendel, B, Dukes, EC, Dychkant, A, Echenard, B, Ehrlich, R, Evans, N, Evbota, D, Fang, I, Fast, JE, Feher, S, Fischler, M, Frank, M, Frlez, E, Fung, SS, Gallo, G, Galucci, G, Gaponenko, A, Genser, K, Giovannella, S, Glagolev, V, Glenzinski, D, Gnani, D, Goadhouse, S, Gollin, GD, Grace, C, Grancagnolo, F, Group, C, Hanson, J, Hanson, S, Happacher, F, Heckmaier, E, Hedin, D, Hertzog, DW, Hirosky, R, Hitlin, DG, Ho, E, Huang, X, Huedem, E, Hung, PQ, Hungerford, EV, Ito, T, Jaskierny, W, Jedziniak, R, Johnson, RP, Johnstone, C, Johnstone, JA, Kahn, SA, Kammel, P, Kang, TI, Kashikhin, VS, Kashikhin, VV, Kasper, P, Project, The Mu2e, Project, The Mu2e, Collaboration, Abrams, RJ, Alezander, D, Ambrosio, G, Andreev, N, Ankenbrandt, CM, Asner, DM, Arnold, D, Artikov, A, Barnes, E, Bartoszek, L, Bernstein, RH, Biery, K, Biliyar, V, Bonicalzi, R, Bossert, R, Bowden, M, Brandt, J, Brown, DN, Budagov, J, Buehler, M, Burov, A, Carcagno, R, Carey, RM, Carosi, R, Cascella, M, Cauz, D, Cervelli, F, Chandra, A, Chang, JK, Cheng, C, Ciambrone, P, Coleman, RN, Cooper, M, Corcoran, MC, Cordelli, M, Davydov, Y, Gouvea, AL de, Lorenzis, L De, Debevec, PT, DeJongh, F, Densham, C, Deuerling, G, Dey, J, Falco, S Di, Dixon, S, Djilkibaev, R, Drendel, B, Dukes, EC, Dychkant, A, Echenard, B, Ehrlich, R, Evans, N, Evbota, D, Fang, I, Fast, JE, Feher, S, Fischler, M, Frank, M, Frlez, E, Fung, SS, Gallo, G, Galucci, G, Gaponenko, A, Genser, K, Giovannella, S, Glagolev, V, Glenzinski, D, Gnani, D, Goadhouse, S, Gollin, GD, Grace, C, Grancagnolo, F, Group, C, Hanson, J, Hanson, S, Happacher, F, Heckmaier, E, Hedin, D, Hertzog, DW, Hirosky, R, Hitlin, DG, Ho, E, Huang, X, Huedem, E, Hung, PQ, Hungerford, EV, Ito, T, Jaskierny, W, Jedziniak, R, Johnson, RP, Johnstone, C, Johnstone, JA, Kahn, SA, Kammel, P, Kang, TI, Kashikhin, VS, Kashikhin, VV, and Kasper, P
Abstract: Mu2e at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for this process. The experiment's sensitivity offers discovery potential over a wide array of new physics models and probes mass scales well beyond the reach of the LHC. We describe herein the conceptual design of the proposed Mu2e experiment. This document was created in partial fulfillment of the requirements necessary to obtain DOE CD-1 approval, which was granted July 11, 2012.
Published: 2012

20. Search for annual modulation in low-energy CDMS-II data

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Anderson, A. J., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., Daal, M., DeJongh, F., Di Stefano, P. C. F., Dragowsky, M. R., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D. C., Nelson, H., Ogburn, R. W., Phipps, A., Prasad, K., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D., Serfass, B., Speller, D., Sundqvist, K. M., Tarka, M., Thakur, R. B., Villano, A. N., Welliver, B., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Anderson, A. J., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., Daal, M., DeJongh, F., Di Stefano, P. C. F., Dragowsky, M. R., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D. C., Nelson, H., Ogburn, R. W., Phipps, A., Prasad, K., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D., Serfass, B., Speller, D., Sundqvist, K. M., Tarka, M., Thakur, R. B., Villano, A. N., Welliver, B., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report limits on annual modulation of the low-energy event rate from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Such a modulation could be produced by interactions from Weakly Interacting Massive Particles (WIMPs) with masses ~10 GeV/c^2. We find no evidence for annual modulation in the event rate of veto-anticoincident single-detector interactions consistent with nuclear recoils, and constrain the magnitude of any modulation to <0.06 event [keVnr kg day]^-1 in the 5-11.9 keVnr energy range at the 99% confidence level. These results disfavor an explanation for the reported modulation in the 1.2-3.2 keVee energy range in CoGeNT in terms of nuclear recoils resulting from elastic scattering of WIMPs at >98% confidence. For events consistent with electron recoils, no significant modulation is observed for either single- or multiple-detector interactions in the 3.0-7.4 keVee range., Comment: 5 pages, plus 8 pages supplementary materials
Published: 2012

21. Search for annual modulation in low-energy CDMS-II data

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Anderson, A. J., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., Daal, M., DeJongh, F., Di Stefano, P. C. F., Dragowsky, M. R., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D. C., Nelson, H., Ogburn, R. W., Phipps, A., Prasad, K., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D., Serfass, B., Speller, D., Sundqvist, K. M., Tarka, M., Thakur, R. B., Villano, A. N., Welliver, B., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Anderson, A. J., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., Daal, M., DeJongh, F., Di Stefano, P. C. F., Dragowsky, M. R., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hertel, S. A., Hofer, T., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D. C., Nelson, H., Ogburn, R. W., Phipps, A., Prasad, K., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D., Serfass, B., Speller, D., Sundqvist, K. M., Tarka, M., Thakur, R. B., Villano, A. N., Welliver, B., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report limits on annual modulation of the low-energy event rate from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Such a modulation could be produced by interactions from Weakly Interacting Massive Particles (WIMPs) with masses ~10 GeV/c^2. We find no evidence for annual modulation in the event rate of veto-anticoincident single-detector interactions consistent with nuclear recoils, and constrain the magnitude of any modulation to <0.06 event [keVnr kg day]^-1 in the 5-11.9 keVnr energy range at the 99% confidence level. These results disfavor an explanation for the reported modulation in the 1.2-3.2 keVee energy range in CoGeNT in terms of nuclear recoils resulting from elastic scattering of WIMPs at >98% confidence. For events consistent with electron recoils, no significant modulation is observed for either single- or multiple-detector interactions in the 3.0-7.4 keVee range., Comment: 5 pages, plus 8 pages supplementary materials
Published: 2012

22. Mu2e Conceptual Design Report

Author: Project, The Mu2e, Collaboration, Abrams, R. J., Alezander, D., Ambrosio, G., Andreev, N., Ankenbrandt, C. M., Asner, D. M., Arnold, D., Artikov, A., Barnes, E., Bartoszek, L., Bernstein, R. H., Biery, K., Biliyar, V., Bonicalzi, R., Bossert, R., Bowden, M., Brandt, J., Brown, D. N., Budagov, J., Buehler, M., Burov, A., Carcagno, R., Carey, R. M., Carosi, R., Cascella, M., Cauz, D., Cervelli, F., Chandra, A., Chang, J. K., Cheng, C., Ciambrone, P., Coleman, R. N., Cooper, M., Corcoran, M. C., Cordelli, M., Davydov, Y., de Gouvea, A. L., De Lorenzis, L., Debevec, P. T., DeJongh, F., Densham, C., Deuerling, G., Dey, J., Di Falco, S., Dixon, S., Djilkibaev, R., Drendel, B., Dukes, E. C., Dychkant, A., Echenard, B., Ehrlich, R., Evans, N., Evbota, D., Fang, I., Fast, J. E., Feher, S., Fischler, M., Frank, M., Frlez, E., Fung, S. S., Gallo, G., Galucci, G., Gaponenko, A., Genser, K., Giovannella, S., Glagolev, V., Glenzinski, D., Gnani, D., Goadhouse, S., Gollin, G. D., Grace, C., Grancagnolo, F., Group, C., Hanson, J., Hanson, S., Happacher, F., Heckmaier, E., Hedin, D., Hertzog, D. W., Hirosky, R., Hitlin, D. G., Ho, E., Huang, X., Huedem, E., Hung, P. Q., Hungerford, E. V., Ito, T., Jaskierny, W., Jedziniak, R., Johnson, R. P., Johnstone, C., Johnstone, J. A., Kahn, S. A., Kammel, P., Kang, T. I., Kashikhin, V. S., Kashikhin, V. V., Kasper, P., Kawall, D. M., Khalatian, V., Kim, M., Klebaner, A., Kocen, D., Kolomensky, Y., Kourbanis, I., Kowalkowski, J., Kozminski, J., Krempetz, K., Kumar, K. S., Kutschke, R. K., Kwarciany, R., Lackowski, T., Lamm, M., Larwill, M., Lau, K., Lee, M. J., L'Erario, A., Leveling, T., Lim, G., Lindenmeyer, C., Logashenko, V., Lontadze, T., Lopes, M., Luca, A., Lynch, K. R., Ma, T., Maffezzoli, A., Marciano, W. J., Martini, M., Masayoshi, W., Matushko, V., McAteer, M., McCrady, R., Moccoli, A., Michelotti, L., Miller, J. P., Miscetti, S., Molzon, W., Morgan, J., Mukherjee, A., Nagaitsev, S., Nagaslaev, V., Niehoff, J., Neuffer, D. V., Nicol, T., Norman, A. J., Norris, B., Odell, J., Oh, S., Oksuzian, Y., Onorato, G., Orduna, J., Orris, D., Ostojic, R., Page, T., Paschke, K. D., Pauletta, G., Peterson, T., Piacentino, G. M., Pileggi, G., Pla-Dalmau, A., Pocanic, D., Polly, C. C., Polychronakos, V., Ponzio, B., Popovic, M., Popp, J. L., Porter, F., Presbys, E., Prieto, P., Pronskikh, V., Puccinelli, F., Rabehl, R., Ramsey, J., Ray, R. E., Rechenmacher, R., Rella, S., Ristori, L., Rivera, R., Roberts, B. L., Roberts, T. J., Rubinov, P., Rusu, V. L., Saputi, A., Sarra, I., Smertzidis, Y., Shanahan, P., Simonenko, A., Steward, J., Suslov, I., Sylvester, C., Tang, Z., Tartaglia, M., Tassielli, G., Tereshchenko, V., Theilacker, J., Tompkins, J., Tschirhart, R., Van Zandbergen, G., Vannini, C., Venanzoni, G., von der Lippe, H., Wagner, R., Walder, J. P., Walton, R., Wands, S., Wang, S., Warren, G., Werkema, S., White Jr, H. B., Wielgos, R., Wood, L. S., Woodward, M., Wu, J., Xiao, M., Yamada, R., Yamin, P., Yarritu, K., Yonehara, K., Yoshikawa, C., You, Z., Yu, G., Yurkewicz, A., Zavarise, G., Zhu, R. Y., Project, The Mu2e, Collaboration, Abrams, R. J., Alezander, D., Ambrosio, G., Andreev, N., Ankenbrandt, C. M., Asner, D. M., Arnold, D., Artikov, A., Barnes, E., Bartoszek, L., Bernstein, R. H., Biery, K., Biliyar, V., Bonicalzi, R., Bossert, R., Bowden, M., Brandt, J., Brown, D. N., Budagov, J., Buehler, M., Burov, A., Carcagno, R., Carey, R. M., Carosi, R., Cascella, M., Cauz, D., Cervelli, F., Chandra, A., Chang, J. K., Cheng, C., Ciambrone, P., Coleman, R. N., Cooper, M., Corcoran, M. C., Cordelli, M., Davydov, Y., de Gouvea, A. L., De Lorenzis, L., Debevec, P. T., DeJongh, F., Densham, C., Deuerling, G., Dey, J., Di Falco, S., Dixon, S., Djilkibaev, R., Drendel, B., Dukes, E. C., Dychkant, A., Echenard, B., Ehrlich, R., Evans, N., Evbota, D., Fang, I., Fast, J. E., Feher, S., Fischler, M., Frank, M., Frlez, E., Fung, S. S., Gallo, G., Galucci, G., Gaponenko, A., Genser, K., Giovannella, S., Glagolev, V., Glenzinski, D., Gnani, D., Goadhouse, S., Gollin, G. D., Grace, C., Grancagnolo, F., Group, C., Hanson, J., Hanson, S., Happacher, F., Heckmaier, E., Hedin, D., Hertzog, D. W., Hirosky, R., Hitlin, D. G., Ho, E., Huang, X., Huedem, E., Hung, P. Q., Hungerford, E. V., Ito, T., Jaskierny, W., Jedziniak, R., Johnson, R. P., Johnstone, C., Johnstone, J. A., Kahn, S. A., Kammel, P., Kang, T. I., Kashikhin, V. S., Kashikhin, V. V., Kasper, P., Kawall, D. M., Khalatian, V., Kim, M., Klebaner, A., Kocen, D., Kolomensky, Y., Kourbanis, I., Kowalkowski, J., Kozminski, J., Krempetz, K., Kumar, K. S., Kutschke, R. K., Kwarciany, R., Lackowski, T., Lamm, M., Larwill, M., Lau, K., Lee, M. J., L'Erario, A., Leveling, T., Lim, G., Lindenmeyer, C., Logashenko, V., Lontadze, T., Lopes, M., Luca, A., Lynch, K. R., Ma, T., Maffezzoli, A., Marciano, W. J., Martini, M., Masayoshi, W., Matushko, V., McAteer, M., McCrady, R., Moccoli, A., Michelotti, L., Miller, J. P., Miscetti, S., Molzon, W., Morgan, J., Mukherjee, A., Nagaitsev, S., Nagaslaev, V., Niehoff, J., Neuffer, D. V., Nicol, T., Norman, A. J., Norris, B., Odell, J., Oh, S., Oksuzian, Y., Onorato, G., Orduna, J., Orris, D., Ostojic, R., Page, T., Paschke, K. D., Pauletta, G., Peterson, T., Piacentino, G. M., Pileggi, G., Pla-Dalmau, A., Pocanic, D., Polly, C. C., Polychronakos, V., Ponzio, B., Popovic, M., Popp, J. L., Porter, F., Presbys, E., Prieto, P., Pronskikh, V., Puccinelli, F., Rabehl, R., Ramsey, J., Ray, R. E., Rechenmacher, R., Rella, S., Ristori, L., Rivera, R., Roberts, B. L., Roberts, T. J., Rubinov, P., Rusu, V. L., Saputi, A., Sarra, I., Smertzidis, Y., Shanahan, P., Simonenko, A., Steward, J., Suslov, I., Sylvester, C., Tang, Z., Tartaglia, M., Tassielli, G., Tereshchenko, V., Theilacker, J., Tompkins, J., Tschirhart, R., Van Zandbergen, G., Vannini, C., Venanzoni, G., von der Lippe, H., Wagner, R., Walder, J. P., Walton, R., Wands, S., Wang, S., Warren, G., Werkema, S., White Jr, H. B., Wielgos, R., Wood, L. S., Woodward, M., Wu, J., Xiao, M., Yamada, R., Yamin, P., Yarritu, K., Yonehara, K., Yoshikawa, C., You, Z., Yu, G., Yurkewicz, A., Zavarise, G., and Zhu, R. Y.
Abstract: Mu2e at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for this process. The experiment's sensitivity offers discovery potential over a wide array of new physics models and probes mass scales well beyond the reach of the LHC. We describe herein the conceptual design of the proposed Mu2e experiment. This document was created in partial fulfillment of the requirements necessary to obtain DOE CD-1 approval, which was granted July 11, 2012., Comment: 562 pages, 339 figures
Published: 2012

23. Combined limits on WIMPs from the CDMS and EDELWEISS experiments

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Armengaud, E, Arrenberg, S, Augier, C, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Benoît, A, Bergé, L, Blümer, J, Brink, PL, Broniatowski, A, Bruch, T, Brudanin, V, Bunker, R, Cabrera, B, Caldwell, DO, Censier, B, Chapellier, M, Chardin, G, Charlieux, F, Cooley, J, Coulter, P, Cox, GA, Cushman, P, Daal, M, Defay, X, De Jesus, M, Dejongh, F, Di Stefano, PCF, Dolgorouki, Y, Domange, J, Dumoulin, L, Dragowsky, MR, Eitel, K, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Filosofov, D, Fourches, N, Fox, J, Fritts, M, Gascon, J, Gerbier, G, Gironnet, J, Golwala, SR, Gros, M, Hall, J, Hennings-Yeomans, R, Henry, S, Hertel, SA, Hervé, S, Holmgren, D, Hsu, L, Huber, ME, Juillard, A, Kamaev, O, Kiveni, M, Kluck, H, Kos, M, Kozlov, V, Kraus, H, Kudryavtsev, VA, Leman, SW, Liu, S, Loaiza, P, Mahapatra, R, Mandic, V, Marnieros, S, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moore, D, Nadeau, P, Navick, XF, Nelson, H, Nones, C, Ogburn, RW, Olivieri, E, Pari, P, Pattavina, L, Paul, B, Phipps, A, Pyle, M, Qiu, X, Rau, W, Reisetter, A, Ricci, Y, Robinson, M, Rozov, S, Saab, T, Sadoulet, B, Sander, J, Sanglard, V, Schmidt, B, Schnee, RW, Scorza, S, Seitz, DN, Ahmed, Z, Ahmed, Z, Akerib, DS, Armengaud, E, Arrenberg, S, Augier, C, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Benoît, A, Bergé, L, Blümer, J, Brink, PL, Broniatowski, A, Bruch, T, Brudanin, V, Bunker, R, Cabrera, B, Caldwell, DO, Censier, B, Chapellier, M, Chardin, G, Charlieux, F, Cooley, J, Coulter, P, Cox, GA, Cushman, P, Daal, M, Defay, X, De Jesus, M, Dejongh, F, Di Stefano, PCF, Dolgorouki, Y, Domange, J, Dumoulin, L, Dragowsky, MR, Eitel, K, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Filosofov, D, Fourches, N, Fox, J, Fritts, M, Gascon, J, Gerbier, G, Gironnet, J, Golwala, SR, Gros, M, Hall, J, Hennings-Yeomans, R, Henry, S, Hertel, SA, Hervé, S, Holmgren, D, Hsu, L, Huber, ME, Juillard, A, Kamaev, O, Kiveni, M, Kluck, H, Kos, M, Kozlov, V, Kraus, H, Kudryavtsev, VA, Leman, SW, Liu, S, Loaiza, P, Mahapatra, R, Mandic, V, Marnieros, S, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moore, D, Nadeau, P, Navick, XF, Nelson, H, Nones, C, Ogburn, RW, Olivieri, E, Pari, P, Pattavina, L, Paul, B, Phipps, A, Pyle, M, Qiu, X, Rau, W, Reisetter, A, Ricci, Y, Robinson, M, Rozov, S, Saab, T, Sadoulet, B, Sander, J, Sanglard, V, Schmidt, B, Schnee, RW, Scorza, S, and Seitz, DN
Abstract: The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614kg•days equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent weakly interacting, massive particle (WIMP)-nucleon cross section. For a WIMP mass of 90GeV/c2, where this analysis is most sensitive, a cross section of 3.3×10-44cm2 is excluded at 90% C.L. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700GeV/c2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others. © 2011 American Physical Society.
Published: 2011

24. Results from a low-energy analysis of the CDMS II germanium data.

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, do Couto e Silva, E, Cushman, P, Daal, M, DeJongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, Zhang, J, CDMS Collaboration, Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, do Couto e Silva, E, Cushman, P, Daal, M, DeJongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, Zhang, J, and CDMS Collaboration
Abstract: We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from weakly interacting massive particles (WIMPs) with masses below ∼10 GeV/c(2). This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c(2) and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments.
Published: 2011

25. Search for inelastic dark matter with the CDMS II experiment

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Do Couto E Silva, E, Cushman, P, Daal, M, Dejongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Razeti, M, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, Zhang, J, Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Do Couto E Silva, E, Cushman, P, Daal, M, Dejongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Razeti, M, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, and Zhang, J
Abstract: Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory, with an exposure of 969 kg-days. The analysis window was extended to a recoil energy of 150 keV, and an improved surface-event background-rejection cut was defined to increase the sensitivity of the experiment to the inelastic dark matter (iDM) model. Three dark matter candidates were found between 25 keV and 150 keV. The probability to observe three or more background events in this energy range is 11%. Because of the occurrence of these events, the constraints on the iDM parameter space are slightly less stringent than those from our previous analysis, which used an energy window of 10-100 keV. © 2011 American Physical Society.
Published: 2011

26. Combined limits on WIMPs from the CDMS and EDELWEISS experiments

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Armengaud, E, Arrenberg, S, Augier, C, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Benoît, A, Bergé, L, Blümer, J, Brink, PL, Broniatowski, A, Bruch, T, Brudanin, V, Bunker, R, Cabrera, B, Caldwell, DO, Censier, B, Chapellier, M, Chardin, G, Charlieux, F, Cooley, J, Coulter, P, Cox, GA, Cushman, P, Daal, M, Defay, X, De Jesus, M, Dejongh, F, Di Stefano, PCF, Dolgorouki, Y, Domange, J, Dumoulin, L, Dragowsky, MR, Eitel, K, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Filosofov, D, Fourches, N, Fox, J, Fritts, M, Gascon, J, Gerbier, G, Gironnet, J, Golwala, SR, Gros, M, Hall, J, Hennings-Yeomans, R, Henry, S, Hertel, SA, Hervé, S, Holmgren, D, Hsu, L, Huber, ME, Juillard, A, Kamaev, O, Kiveni, M, Kluck, H, Kos, M, Kozlov, V, Kraus, H, Kudryavtsev, VA, Leman, SW, Liu, S, Loaiza, P, Mahapatra, R, Mandic, V, Marnieros, S, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moore, D, Nadeau, P, Navick, XF, Nelson, H, Nones, C, Ogburn, RW, Olivieri, E, Pari, P, Pattavina, L, Paul, B, Phipps, A, Pyle, M, Qiu, X, Rau, W, Reisetter, A, Ricci, Y, Robinson, M, Rozov, S, Saab, T, Sadoulet, B, Sander, J, Sanglard, V, Schmidt, B, Schnee, RW, Scorza, S, Seitz, DN, Ahmed, Z, Ahmed, Z, Akerib, DS, Armengaud, E, Arrenberg, S, Augier, C, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Benoît, A, Bergé, L, Blümer, J, Brink, PL, Broniatowski, A, Bruch, T, Brudanin, V, Bunker, R, Cabrera, B, Caldwell, DO, Censier, B, Chapellier, M, Chardin, G, Charlieux, F, Cooley, J, Coulter, P, Cox, GA, Cushman, P, Daal, M, Defay, X, De Jesus, M, Dejongh, F, Di Stefano, PCF, Dolgorouki, Y, Domange, J, Dumoulin, L, Dragowsky, MR, Eitel, K, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Filosofov, D, Fourches, N, Fox, J, Fritts, M, Gascon, J, Gerbier, G, Gironnet, J, Golwala, SR, Gros, M, Hall, J, Hennings-Yeomans, R, Henry, S, Hertel, SA, Hervé, S, Holmgren, D, Hsu, L, Huber, ME, Juillard, A, Kamaev, O, Kiveni, M, Kluck, H, Kos, M, Kozlov, V, Kraus, H, Kudryavtsev, VA, Leman, SW, Liu, S, Loaiza, P, Mahapatra, R, Mandic, V, Marnieros, S, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moore, D, Nadeau, P, Navick, XF, Nelson, H, Nones, C, Ogburn, RW, Olivieri, E, Pari, P, Pattavina, L, Paul, B, Phipps, A, Pyle, M, Qiu, X, Rau, W, Reisetter, A, Ricci, Y, Robinson, M, Rozov, S, Saab, T, Sadoulet, B, Sander, J, Sanglard, V, Schmidt, B, Schnee, RW, Scorza, S, and Seitz, DN
Abstract: The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614kg•days equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent weakly interacting, massive particle (WIMP)-nucleon cross section. For a WIMP mass of 90GeV/c2, where this analysis is most sensitive, a cross section of 3.3×10-44cm2 is excluded at 90% C.L. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700GeV/c2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others. © 2011 American Physical Society.
Published: 2011

27. Search for inelastic dark matter with the CDMS II experiment

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Do Couto E Silva, E, Cushman, P, Daal, M, Dejongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Razeti, M, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, Zhang, J, Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Do Couto E Silva, E, Cushman, P, Daal, M, Dejongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Razeti, M, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, and Zhang, J
Abstract: Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory, with an exposure of 969 kg-days. The analysis window was extended to a recoil energy of 150 keV, and an improved surface-event background-rejection cut was defined to increase the sensitivity of the experiment to the inelastic dark matter (iDM) model. Three dark matter candidates were found between 25 keV and 150 keV. The probability to observe three or more background events in this energy range is 11%. Because of the occurrence of these events, the constraints on the iDM parameter space are slightly less stringent than those from our previous analysis, which used an energy window of 10-100 keV. © 2011 American Physical Society.
Published: 2011

28. Results from a low-energy analysis of the CDMS II germanium data.

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, do Couto e Silva, E, Cushman, P, Daal, M, DeJongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, Zhang, J, CDMS Collaboration, Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, do Couto e Silva, E, Cushman, P, Daal, M, DeJongh, F, Di Stefano, P, Dragowsky, MR, Duong, L, Fallows, S, Figueroa-Feliciano, E, Filippini, J, Fox, J, Fritts, M, Golwala, SR, Hall, J, Hennings-Yeomans, R, Hertel, SA, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Liu, S, Mahapatra, R, Mandic, V, McCarthy, KA, Mirabolfathi, N, Moore, D, Nelson, H, Ogburn, RW, Phipps, A, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Resch, R, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Tarka, M, Wikus, P, Yellin, S, Yoo, J, Young, BA, Zhang, J, and CDMS Collaboration
Abstract: We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from weakly interacting massive particles (WIMPs) with masses below ∼10 GeV/c(2). This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c(2) and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments.
Published: 2011

29. Combined Limits on WIMPs from the CDMS and EDELWEISS Experiments

Author: CDMS, Collaborations, EDELWEISS, Ahmed, Z., Akerib, D. S., Armengaud, E., Arrenberg, S., Augier, C., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Benoît, A., Bergé, L., Blümer, J., Brink, P. L., Broniatowski, A., Bruch, T., Brudanin, V., Bunker, R., Cabrera, B., Caldwell, D. O., Censier, B., Chapellier, M., Chardin, G., Charlieux, F., Cooley, J., Coulter, P., Cox, G. A., Cushman, P., Daal, M., Defay, X., De Jesus, M., DeJongh, F., Di Stefano, P. C. F., Dolgorouki, Y., Domange, J., Dumoulin, L., Dragowsky, M. R., Eitel, K., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Filosofov, D., Fourches, N., Fox, J., Fritts, M., Gascon, J., Gerbier, G., Gironnet, J., Golwala, S. R., Gros, M., Hall, J., Hennings-Yeomans, R., Henry, S., Hertel, S. A., Hervé, S., Holmgren, D., Hsu, L., Huber, M. E., Juillard, A., Kamaev, O., Kiveni, M., Kluck, H., Kos, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Leman, S. W., Liu, S., Loaiza, P., Mahapatra, R., Mandic, V., Marnieros, S., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nadeau, P., Navick, X-F., Nelson, H., Nones, C., Ogburn, R. W., Olivieri, E., Pari, P., Pattavina, L., Paul, B., Phipps, A., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Robinson, M., Rozov, S., Saab, T., Sadoulet, B., Sander, J., Sanglard, V., Schmidt, B., Schnee, R. W., Scorza, S., Seitz, D. N., Semikh, S., Serfass, B., Sundqvist, K. M., Tarka, M., Torrento-Coello, A. S., Vagneron, L., Verdier, M. -A., Walker, R. J., Wikus, P., Yakushev, E., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS, Collaborations, EDELWEISS, Ahmed, Z., Akerib, D. S., Armengaud, E., Arrenberg, S., Augier, C., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Benoît, A., Bergé, L., Blümer, J., Brink, P. L., Broniatowski, A., Bruch, T., Brudanin, V., Bunker, R., Cabrera, B., Caldwell, D. O., Censier, B., Chapellier, M., Chardin, G., Charlieux, F., Cooley, J., Coulter, P., Cox, G. A., Cushman, P., Daal, M., Defay, X., De Jesus, M., DeJongh, F., Di Stefano, P. C. F., Dolgorouki, Y., Domange, J., Dumoulin, L., Dragowsky, M. R., Eitel, K., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Filosofov, D., Fourches, N., Fox, J., Fritts, M., Gascon, J., Gerbier, G., Gironnet, J., Golwala, S. R., Gros, M., Hall, J., Hennings-Yeomans, R., Henry, S., Hertel, S. A., Hervé, S., Holmgren, D., Hsu, L., Huber, M. E., Juillard, A., Kamaev, O., Kiveni, M., Kluck, H., Kos, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Leman, S. W., Liu, S., Loaiza, P., Mahapatra, R., Mandic, V., Marnieros, S., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nadeau, P., Navick, X-F., Nelson, H., Nones, C., Ogburn, R. W., Olivieri, E., Pari, P., Pattavina, L., Paul, B., Phipps, A., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Robinson, M., Rozov, S., Saab, T., Sadoulet, B., Sander, J., Sanglard, V., Schmidt, B., Schnee, R. W., Scorza, S., Seitz, D. N., Semikh, S., Serfass, B., Sundqvist, K. M., Tarka, M., Torrento-Coello, A. S., Vagneron, L., Verdier, M. -A., Walker, R. J., Wikus, P., Yakushev, E., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614 kg.d equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent WIMP-nucleon cross-section. For a WIMP mass of 90 GeV/c^2, where this analysis is most sensitive, a cross-section of 3.3 x 10^{-44} cm^2 is excluded at 90% CL. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700 GeV/c^2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others., Comment: Events, efficiencies, and main limit are available in text format (see README.txt)
Published: 2011
Full Text: View/download PDF

30. Combined Limits on WIMPs from the CDMS and EDELWEISS Experiments

Author: CDMS, Collaborations, EDELWEISS, Ahmed, Z., Akerib, D. S., Armengaud, E., Arrenberg, S., Augier, C., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Benoît, A., Bergé, L., Blümer, J., Brink, P. L., Broniatowski, A., Bruch, T., Brudanin, V., Bunker, R., Cabrera, B., Caldwell, D. O., Censier, B., Chapellier, M., Chardin, G., Charlieux, F., Cooley, J., Coulter, P., Cox, G. A., Cushman, P., Daal, M., Defay, X., De Jesus, M., DeJongh, F., Di Stefano, P. C. F., Dolgorouki, Y., Domange, J., Dumoulin, L., Dragowsky, M. R., Eitel, K., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Filosofov, D., Fourches, N., Fox, J., Fritts, M., Gascon, J., Gerbier, G., Gironnet, J., Golwala, S. R., Gros, M., Hall, J., Hennings-Yeomans, R., Henry, S., Hertel, S. A., Hervé, S., Holmgren, D., Hsu, L., Huber, M. E., Juillard, A., Kamaev, O., Kiveni, M., Kluck, H., Kos, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Leman, S. W., Liu, S., Loaiza, P., Mahapatra, R., Mandic, V., Marnieros, S., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nadeau, P., Navick, X-F., Nelson, H., Nones, C., Ogburn, R. W., Olivieri, E., Pari, P., Pattavina, L., Paul, B., Phipps, A., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Robinson, M., Rozov, S., Saab, T., Sadoulet, B., Sander, J., Sanglard, V., Schmidt, B., Schnee, R. W., Scorza, S., Seitz, D. N., Semikh, S., Serfass, B., Sundqvist, K. M., Tarka, M., Torrento-Coello, A. S., Vagneron, L., Verdier, M. -A., Walker, R. J., Wikus, P., Yakushev, E., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS, Collaborations, EDELWEISS, Ahmed, Z., Akerib, D. S., Armengaud, E., Arrenberg, S., Augier, C., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Benoît, A., Bergé, L., Blümer, J., Brink, P. L., Broniatowski, A., Bruch, T., Brudanin, V., Bunker, R., Cabrera, B., Caldwell, D. O., Censier, B., Chapellier, M., Chardin, G., Charlieux, F., Cooley, J., Coulter, P., Cox, G. A., Cushman, P., Daal, M., Defay, X., De Jesus, M., DeJongh, F., Di Stefano, P. C. F., Dolgorouki, Y., Domange, J., Dumoulin, L., Dragowsky, M. R., Eitel, K., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Filosofov, D., Fourches, N., Fox, J., Fritts, M., Gascon, J., Gerbier, G., Gironnet, J., Golwala, S. R., Gros, M., Hall, J., Hennings-Yeomans, R., Henry, S., Hertel, S. A., Hervé, S., Holmgren, D., Hsu, L., Huber, M. E., Juillard, A., Kamaev, O., Kiveni, M., Kluck, H., Kos, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Leman, S. W., Liu, S., Loaiza, P., Mahapatra, R., Mandic, V., Marnieros, S., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nadeau, P., Navick, X-F., Nelson, H., Nones, C., Ogburn, R. W., Olivieri, E., Pari, P., Pattavina, L., Paul, B., Phipps, A., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Robinson, M., Rozov, S., Saab, T., Sadoulet, B., Sander, J., Sanglard, V., Schmidt, B., Schnee, R. W., Scorza, S., Seitz, D. N., Semikh, S., Serfass, B., Sundqvist, K. M., Tarka, M., Torrento-Coello, A. S., Vagneron, L., Verdier, M. -A., Walker, R. J., Wikus, P., Yakushev, E., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614 kg.d equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent WIMP-nucleon cross-section. For a WIMP mass of 90 GeV/c^2, where this analysis is most sensitive, a cross-section of 3.3 x 10^{-44} cm^2 is excluded at 90% CL. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700 GeV/c^2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others., Comment: Events, efficiencies, and main limit are available in text format (see README.txt)
Published: 2011
Full Text: View/download PDF

31. Combined Limits on WIMPs from the CDMS and EDELWEISS Experiments

Author: CDMS, Collaborations, EDELWEISS, Ahmed, Z., Akerib, D. S., Armengaud, E., Arrenberg, S., Augier, C., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Benoît, A., Bergé, L., Blümer, J., Brink, P. L., Broniatowski, A., Bruch, T., Brudanin, V., Bunker, R., Cabrera, B., Caldwell, D. O., Censier, B., Chapellier, M., Chardin, G., Charlieux, F., Cooley, J., Coulter, P., Cox, G. A., Cushman, P., Daal, M., Defay, X., De Jesus, M., DeJongh, F., Di Stefano, P. C. F., Dolgorouki, Y., Domange, J., Dumoulin, L., Dragowsky, M. R., Eitel, K., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Filosofov, D., Fourches, N., Fox, J., Fritts, M., Gascon, J., Gerbier, G., Gironnet, J., Golwala, S. R., Gros, M., Hall, J., Hennings-Yeomans, R., Henry, S., Hertel, S. A., Hervé, S., Holmgren, D., Hsu, L., Huber, M. E., Juillard, A., Kamaev, O., Kiveni, M., Kluck, H., Kos, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Leman, S. W., Liu, S., Loaiza, P., Mahapatra, R., Mandic, V., Marnieros, S., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nadeau, P., Navick, X-F., Nelson, H., Nones, C., Ogburn, R. W., Olivieri, E., Pari, P., Pattavina, L., Paul, B., Phipps, A., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Robinson, M., Rozov, S., Saab, T., Sadoulet, B., Sander, J., Sanglard, V., Schmidt, B., Schnee, R. W., Scorza, S., Seitz, D. N., Semikh, S., Serfass, B., Sundqvist, K. M., Tarka, M., Torrento-Coello, A. S., Vagneron, L., Verdier, M. -A., Walker, R. J., Wikus, P., Yakushev, E., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS, Collaborations, EDELWEISS, Ahmed, Z., Akerib, D. S., Armengaud, E., Arrenberg, S., Augier, C., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Benoît, A., Bergé, L., Blümer, J., Brink, P. L., Broniatowski, A., Bruch, T., Brudanin, V., Bunker, R., Cabrera, B., Caldwell, D. O., Censier, B., Chapellier, M., Chardin, G., Charlieux, F., Cooley, J., Coulter, P., Cox, G. A., Cushman, P., Daal, M., Defay, X., De Jesus, M., DeJongh, F., Di Stefano, P. C. F., Dolgorouki, Y., Domange, J., Dumoulin, L., Dragowsky, M. R., Eitel, K., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Filosofov, D., Fourches, N., Fox, J., Fritts, M., Gascon, J., Gerbier, G., Gironnet, J., Golwala, S. R., Gros, M., Hall, J., Hennings-Yeomans, R., Henry, S., Hertel, S. A., Hervé, S., Holmgren, D., Hsu, L., Huber, M. E., Juillard, A., Kamaev, O., Kiveni, M., Kluck, H., Kos, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Leman, S. W., Liu, S., Loaiza, P., Mahapatra, R., Mandic, V., Marnieros, S., Martinez, C., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nadeau, P., Navick, X-F., Nelson, H., Nones, C., Ogburn, R. W., Olivieri, E., Pari, P., Pattavina, L., Paul, B., Phipps, A., Pyle, M., Qiu, X., Rau, W., Reisetter, A., Ricci, Y., Robinson, M., Rozov, S., Saab, T., Sadoulet, B., Sander, J., Sanglard, V., Schmidt, B., Schnee, R. W., Scorza, S., Seitz, D. N., Semikh, S., Serfass, B., Sundqvist, K. M., Tarka, M., Torrento-Coello, A. S., Vagneron, L., Verdier, M. -A., Walker, R. J., Wikus, P., Yakushev, E., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614 kg.d equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent WIMP-nucleon cross-section. For a WIMP mass of 90 GeV/c^2, where this analysis is most sensitive, a cross-section of 3.3 x 10^{-44} cm^2 is excluded at 90% CL. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700 GeV/c^2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others., Comment: Events, efficiencies, and main limit are available in text format (see README.txt)
Published: 2011
Full Text: View/download PDF

32. Low-threshold analysis of CDMS shallow-site data

Author: Akerib, DS, Akerib, DS, Attisha, MJ, Baudis, L, Bauer, DA, Bolozdynya, AI, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Chang, CL, Clarke, RM, Cooley, J, Crisler, MB, Cushman, P, Dejongh, F, Dixon, R, Driscoll, DD, Filippini, J, Funkhouser, S, Gaitskell, RJ, Golwala, SR, Holmgren, D, Hsu, L, Huber, ME, Kamat, S, Mahapatra, R, Mandic, V, Meunier, P, Mirabolfathi, N, Moore, D, Nam, SW, Nelson, H, Ogburn, RW, Qiu, X, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Savage, C, Schnee, RW, Seitz, DN, Shutt, TA, Wang, G, Yellin, S, Yoo, J, Young, BA, Akerib, DS, Akerib, DS, Attisha, MJ, Baudis, L, Bauer, DA, Bolozdynya, AI, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Chang, CL, Clarke, RM, Cooley, J, Crisler, MB, Cushman, P, Dejongh, F, Dixon, R, Driscoll, DD, Filippini, J, Funkhouser, S, Gaitskell, RJ, Golwala, SR, Holmgren, D, Hsu, L, Huber, ME, Kamat, S, Mahapatra, R, Mandic, V, Meunier, P, Mirabolfathi, N, Moore, D, Nam, SW, Nelson, H, Ogburn, RW, Qiu, X, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Savage, C, Schnee, RW, Seitz, DN, Shutt, TA, Wang, G, Yellin, S, Yoo, J, and Young, BA
Abstract: Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ∼224g germanium and two ∼105g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ∼1 and ∼2keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9GeV/c2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4GeV/c2. © 2010 The American Physical Society.
Published: 2010

33. Analysis of the low-energy electron-recoil spectrum of the CDMS experiment

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Beaty, J, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Cushman, P, Dejongh, F, Dragowsky, MR, Duong, L, Figueroa-Feliciano, E, Filippini, J, Fritts, M, Golwala, SR, Grant, DR, Hall, J, Hennings-Yeomans, R, Hertel, S, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Mahapatra, R, Mandic, V, Moore, D, McCarthy, KA, Mirabolfathi, N, Nelson, H, Ogburn, RW, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Wang, G, Wikus, P, Yellin, S, Yoo, J, Young, BA, Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Beaty, J, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Cushman, P, Dejongh, F, Dragowsky, MR, Duong, L, Figueroa-Feliciano, E, Filippini, J, Fritts, M, Golwala, SR, Grant, DR, Hall, J, Hennings-Yeomans, R, Hertel, S, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Mahapatra, R, Mandic, V, Moore, D, McCarthy, KA, Mirabolfathi, N, Nelson, H, Ogburn, RW, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Wang, G, Wikus, P, Yellin, S, Yoo, J, and Young, BA
Abstract: We report on the analysis of the low-energy electron-recoil spectrum from the CDMS II experiment using data with an exposure of 443.2 kg-days. The analysis provides details on the observed counting rate and possible background sources in the energy range of 2-8.5 keV. We find no significant excess of a peaked contribution to the total counting rate above the background model, and compare this observation to the recent DAMA results. In the framework of a conversion of a dark matter particle into electromagnetic energy, our 90% confidence level upper limit of 0.246events/kg/day at 3.15 keV is lower than the total rate above background observed by DAMA. In absence of any specific particle physics model to provide the scaling in cross section between NaI and Ge, we assume a Z2 scaling. With this assumption the observed rate in DAMA remains higher than the upper limit in CDMS. Under the conservative assumption that the modulation amplitude is 6% of the total rate we obtain upper limits on the modulation amplitude a factor of ∼2 lower than observed by DAMA, constraining some possible interpretations of this modulation. © 2010 The American Physical Society.
Published: 2010

34. Search for inelastic dark matter with the CDMS II experiment

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory, with an exposure of 969 kg-days. The analysis window was extended to a recoil energy of 150 keV, and an improved surface-event background-rejection cut was defined to increase the sensitivity of the experiment to the inelastic dark matter (iDM) model. Three dark matter candidates were found between 25 keV and 150 keV. The probability to observe three or more background events in this energy range is 11%. Because of the occurrence of these events the constraints on the iDM parameter space are slightly less stringent than those from our previous analysis, which used an energy window of 10-100 keV., Comment: 10 pages, 10 figures, minor changes to match published version, conclusion unchanged
Published: 2010
Full Text: View/download PDF

35. Low-threshold analysis of CDMS shallow-site data

Author: CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., Young, B. A., CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., and Young, B. A.
Abstract: Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ~224 g germanium and two ~105 g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ~1 keV and ~2 keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9 GeV/c^2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 GeV/c^2 and 4 GeV/c^2., Comment: 18 pages, 12 figures, 5 tables
Published: 2010
Full Text: View/download PDF

36. Low-threshold analysis of CDMS shallow-site data

Author: Akerib, DS, Akerib, DS, Attisha, MJ, Baudis, L, Bauer, DA, Bolozdynya, AI, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Chang, CL, Clarke, RM, Cooley, J, Crisler, MB, Cushman, P, Dejongh, F, Dixon, R, Driscoll, DD, Filippini, J, Funkhouser, S, Gaitskell, RJ, Golwala, SR, Holmgren, D, Hsu, L, Huber, ME, Kamat, S, Mahapatra, R, Mandic, V, Meunier, P, Mirabolfathi, N, Moore, D, Nam, SW, Nelson, H, Ogburn, RW, Qiu, X, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Savage, C, Schnee, RW, Seitz, DN, Shutt, TA, Wang, G, Yellin, S, Yoo, J, Young, BA, Akerib, DS, Akerib, DS, Attisha, MJ, Baudis, L, Bauer, DA, Bolozdynya, AI, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Chang, CL, Clarke, RM, Cooley, J, Crisler, MB, Cushman, P, Dejongh, F, Dixon, R, Driscoll, DD, Filippini, J, Funkhouser, S, Gaitskell, RJ, Golwala, SR, Holmgren, D, Hsu, L, Huber, ME, Kamat, S, Mahapatra, R, Mandic, V, Meunier, P, Mirabolfathi, N, Moore, D, Nam, SW, Nelson, H, Ogburn, RW, Qiu, X, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Savage, C, Schnee, RW, Seitz, DN, Shutt, TA, Wang, G, Yellin, S, Yoo, J, and Young, BA
Abstract: Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ∼224g germanium and two ∼105g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ∼1 and ∼2keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9GeV/c2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4GeV/c2. © 2010 The American Physical Society.
Published: 2010

37. Analysis of the low-energy electron-recoil spectrum of the CDMS experiment

Author: Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Beaty, J, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Cushman, P, Dejongh, F, Dragowsky, MR, Duong, L, Figueroa-Feliciano, E, Filippini, J, Fritts, M, Golwala, SR, Grant, DR, Hall, J, Hennings-Yeomans, R, Hertel, S, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Mahapatra, R, Mandic, V, Moore, D, McCarthy, KA, Mirabolfathi, N, Nelson, H, Ogburn, RW, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Wang, G, Wikus, P, Yellin, S, Yoo, J, Young, BA, Ahmed, Z, Ahmed, Z, Akerib, DS, Arrenberg, S, Bailey, CN, Balakishiyeva, D, Baudis, L, Bauer, DA, Beaty, J, Brink, PL, Bruch, T, Bunker, R, Cabrera, B, Caldwell, DO, Cooley, J, Cushman, P, Dejongh, F, Dragowsky, MR, Duong, L, Figueroa-Feliciano, E, Filippini, J, Fritts, M, Golwala, SR, Grant, DR, Hall, J, Hennings-Yeomans, R, Hertel, S, Holmgren, D, Hsu, L, Huber, ME, Kamaev, O, Kiveni, M, Kos, M, Leman, SW, Mahapatra, R, Mandic, V, Moore, D, McCarthy, KA, Mirabolfathi, N, Nelson, H, Ogburn, RW, Pyle, M, Qiu, X, Ramberg, E, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Schnee, RW, Seitz, DN, Serfass, B, Sundqvist, KM, Wang, G, Wikus, P, Yellin, S, Yoo, J, and Young, BA
Abstract: We report on the analysis of the low-energy electron-recoil spectrum from the CDMS II experiment using data with an exposure of 443.2 kg-days. The analysis provides details on the observed counting rate and possible background sources in the energy range of 2-8.5 keV. We find no significant excess of a peaked contribution to the total counting rate above the background model, and compare this observation to the recent DAMA results. In the framework of a conversion of a dark matter particle into electromagnetic energy, our 90% confidence level upper limit of 0.246events/kg/day at 3.15 keV is lower than the total rate above background observed by DAMA. In absence of any specific particle physics model to provide the scaling in cross section between NaI and Ge, we assume a Z2 scaling. With this assumption the observed rate in DAMA remains higher than the upper limit in CDMS. Under the conservative assumption that the modulation amplitude is 6% of the total rate we obtain upper limits on the modulation amplitude a factor of ∼2 lower than observed by DAMA, constraining some possible interpretations of this modulation. © 2010 The American Physical Society.
Published: 2010

38. Results from a Low-Energy Analysis of the CDMS II Germanium Data

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from Weakly Interacting Massive Particles (WIMPs) with masses below ~10 GeV/c^2. This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c^2 and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments., Comment: 9 pages, 8 figures. Supplemental material included as ancillary files. v3) Added appendix with additional details regarding energy scale and backgrounds
Published: 2010
Full Text: View/download PDF

39. Search for inelastic dark matter with the CDMS II experiment

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory, with an exposure of 969 kg-days. The analysis window was extended to a recoil energy of 150 keV, and an improved surface-event background-rejection cut was defined to increase the sensitivity of the experiment to the inelastic dark matter (iDM) model. Three dark matter candidates were found between 25 keV and 150 keV. The probability to observe three or more background events in this energy range is 11%. Because of the occurrence of these events the constraints on the iDM parameter space are slightly less stringent than those from our previous analysis, which used an energy window of 10-100 keV., Comment: 10 pages, 10 figures, minor changes to match published version, conclusion unchanged
Published: 2010
Full Text: View/download PDF

40. Low-threshold analysis of CDMS shallow-site data

Author: CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., Young, B. A., CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., and Young, B. A.
Abstract: Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ~224 g germanium and two ~105 g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ~1 keV and ~2 keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9 GeV/c^2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 GeV/c^2 and 4 GeV/c^2., Comment: 18 pages, 12 figures, 5 tables
Published: 2010
Full Text: View/download PDF

41. Low-threshold analysis of CDMS shallow-site data

Author: CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., Young, B. A., CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., and Young, B. A.
Abstract: Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ~224 g germanium and two ~105 g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ~1 keV and ~2 keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9 GeV/c^2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 GeV/c^2 and 4 GeV/c^2., Comment: 18 pages, 12 figures, 5 tables
Published: 2010
Full Text: View/download PDF

42. Search for inelastic dark matter with the CDMS II experiment

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory, with an exposure of 969 kg-days. The analysis window was extended to a recoil energy of 150 keV, and an improved surface-event background-rejection cut was defined to increase the sensitivity of the experiment to the inelastic dark matter (iDM) model. Three dark matter candidates were found between 25 keV and 150 keV. The probability to observe three or more background events in this energy range is 11%. Because of the occurrence of these events the constraints on the iDM parameter space are slightly less stringent than those from our previous analysis, which used an energy window of 10-100 keV., Comment: 10 pages, 10 figures, minor changes to match published version, conclusion unchanged
Published: 2010
Full Text: View/download PDF

43. Results from a Low-Energy Analysis of the CDMS II Germanium Data

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from Weakly Interacting Massive Particles (WIMPs) with masses below ~10 GeV/c^2. This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c^2 and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments., Comment: 9 pages, 8 figures. Supplemental material included as ancillary files. v3) Added appendix with additional details regarding energy scale and backgrounds
Published: 2010
Full Text: View/download PDF

44. Search for inelastic dark matter with the CDMS II experiment

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Razeti, M., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory, with an exposure of 969 kg-days. The analysis window was extended to a recoil energy of 150 keV, and an improved surface-event background-rejection cut was defined to increase the sensitivity of the experiment to the inelastic dark matter (iDM) model. Three dark matter candidates were found between 25 keV and 150 keV. The probability to observe three or more background events in this energy range is 11%. Because of the occurrence of these events the constraints on the iDM parameter space are slightly less stringent than those from our previous analysis, which used an energy window of 10-100 keV., Comment: 10 pages, 10 figures, minor changes to match published version, conclusion unchanged
Published: 2010
Full Text: View/download PDF

45. Results from a Low-Energy Analysis of the CDMS II Germanium Data

Author: CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., Zhang, J., CDMS Collaboration, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Silva, E. do Couto e, Cushman, P., Daal, M., DeJongh, F., Di Stefano, P., Dragowsky, M. R., Duong, L., Fallows, S., Figueroa-Feliciano, E., Filippini, J., Fox, J., Fritts, M., Golwala, S. R., Hall, J., Hennings-Yeomans, R., Hertel, S. A., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Liu, S., Mahapatra, R., Mandic, V., McCarthy, K. A., Mirabolfathi, N., Moore, D., Nelson, H., Ogburn, R. W., Phipps, A., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Resch, R., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Tarka, M., Wikus, P., Yellin, S., Yoo, J., Young, B. A., and Zhang, J.
Abstract: We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from Weakly Interacting Massive Particles (WIMPs) with masses below ~10 GeV/c^2. This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c^2 and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments., Comment: 9 pages, 8 figures. Supplemental material included as ancillary files. v3) Added appendix with additional details regarding energy scale and backgrounds
Published: 2010
Full Text: View/download PDF

46. Low-threshold analysis of CDMS shallow-site data

Author: CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., Young, B. A., CDMS Collaboration, Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., DeJongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., Gaitskell, R. J., Golwala, S. R., Holmgren, D., Hsu, L., Huber, M. E., Kamat, S., Mahapatra, R., Mandic, V., Meunier, P., Mirabolfathi, N., Moore, D., Nam, S. W., Nelson, H., Ogburn, R. W., Qiu, X., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Savage, C., Schnee, R. W., Seitz, D. N., Shutt, T. A., Wang, G., Yellin, S., Yoo, J., and Young, B. A.
Abstract: Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ~224 g germanium and two ~105 g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ~1 keV and ~2 keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9 GeV/c^2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 GeV/c^2 and 4 GeV/c^2., Comment: 18 pages, 12 figures, 5 tables
Published: 2010
Full Text: View/download PDF

47. Analysis of the low-energy electron-recoil spectrum of the CDMS experiment

Author: Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Beaty, J., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., DeJongh, F., Dragowsky, M. R., Duong, L., Figueroa-Feliciano, E., Filippini, J., Fritts, M., Golwala, S. R., Grant, D. R., Hall, J., Hennings-Yeomans, R., Hertel, S., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Mahapatra, R., Mandic, V., Moore, D., McCarthy, K. A., Mirabolfathi, N., Nelson, H., Ogburn, R. W., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Wang, G., Yellin, S., Yoo, J., Young, B. A., Collaboration, the CDMS, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Beaty, J., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., DeJongh, F., Dragowsky, M. R., Duong, L., Figueroa-Feliciano, E., Filippini, J., Fritts, M., Golwala, S. R., Grant, D. R., Hall, J., Hennings-Yeomans, R., Hertel, S., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Mahapatra, R., Mandic, V., Moore, D., McCarthy, K. A., Mirabolfathi, N., Nelson, H., Ogburn, R. W., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Wang, G., Yellin, S., Yoo, J., Young, B. A., and Collaboration, the CDMS
Abstract: We report on the analysis of the low-energy electron-recoil spectrum from the CDMS II experiment using data with an exposure of 443.2 kg-days. The analysis provides details on the observed counting rate and possible background sources in the energy range of 2 - 8.5 keV. We find no significant excess in the counting rate above background, and compare this observation to the recent DAMA results. In the framework of a conversion of a dark matter particle into electromagnetic energy, our 90% confidence level upper limit of 0.246 events/kg/day at 3.15 keV is lower than the total rate above background observed by DAMA by 8.9$\sigma$. In absence of any specific particle physics model to provide the scaling in cross section between NaI and Ge, we assume a Z^2 scaling. With this assumption the observed rate in DAMA differs from the upper limit in CDMS by 6.8$\sigma$. Under the conservative assumption that the modulation amplitude is 6% of the total rate we obtain upper limits on the modulation amplitude a factor of ~2 less than observed by DAMA, constraining some possible interpretations of this modulation., Comment: 4 pages, 3 figures
Published: 2009
Full Text: View/download PDF

48. Analysis of the low-energy electron-recoil spectrum of the CDMS experiment

Author: Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Beaty, J., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., DeJongh, F., Dragowsky, M. R., Duong, L., Figueroa-Feliciano, E., Filippini, J., Fritts, M., Golwala, S. R., Grant, D. R., Hall, J., Hennings-Yeomans, R., Hertel, S., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Mahapatra, R., Mandic, V., Moore, D., McCarthy, K. A., Mirabolfathi, N., Nelson, H., Ogburn, R. W., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Wang, G., Yellin, S., Yoo, J., Young, B. A., Collaboration, the CDMS, Ahmed, Z., Akerib, D. S., Arrenberg, S., Bailey, C. N., Balakishiyeva, D., Baudis, L., Bauer, D. A., Beaty, J., Brink, P. L., Bruch, T., Bunker, R., Cabrera, B., Caldwell, D. O., Cooley, J., Cushman, P., DeJongh, F., Dragowsky, M. R., Duong, L., Figueroa-Feliciano, E., Filippini, J., Fritts, M., Golwala, S. R., Grant, D. R., Hall, J., Hennings-Yeomans, R., Hertel, S., Holmgren, D., Hsu, L., Huber, M. E., Kamaev, O., Kiveni, M., Kos, M., Leman, S. W., Mahapatra, R., Mandic, V., Moore, D., McCarthy, K. A., Mirabolfathi, N., Nelson, H., Ogburn, R. W., Pyle, M., Qiu, X., Ramberg, E., Rau, W., Reisetter, A., Saab, T., Sadoulet, B., Sander, J., Schnee, R. W., Seitz, D. N., Serfass, B., Sundqvist, K. M., Wang, G., Yellin, S., Yoo, J., Young, B. A., and Collaboration, the CDMS
Abstract: We report on the analysis of the low-energy electron-recoil spectrum from the CDMS II experiment using data with an exposure of 443.2 kg-days. The analysis provides details on the observed counting rate and possible background sources in the energy range of 2 - 8.5 keV. We find no significant excess in the counting rate above background, and compare this observation to the recent DAMA results. In the framework of a conversion of a dark matter particle into electromagnetic energy, our 90% confidence level upper limit of 0.246 events/kg/day at 3.15 keV is lower than the total rate above background observed by DAMA by 8.9$\sigma$. In absence of any specific particle physics model to provide the scaling in cross section between NaI and Ge, we assume a Z^2 scaling. With this assumption the observed rate in DAMA differs from the upper limit in CDMS by 6.8$\sigma$. Under the conservative assumption that the modulation amplitude is 6% of the total rate we obtain upper limits on the modulation amplitude a factor of ~2 less than observed by DAMA, constraining some possible interpretations of this modulation., Comment: 4 pages, 3 figures
Published: 2009
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49. A Measurement of the Rate of type-Ia Supernovae at Redshift $z\approx$ 0.1 from the First Season of the SDSS-II Supernova Survey

Author: Dilday, Benjamin, Kessler, R., Frieman, J. A., Holtzman, J., Marriner, J., Miknaitis, G., Nichol, R. C., Romani, R., Sako, M., Bassett, B., Becker, A., Cinabro, D., DeJongh, F., Depoy, D. L., Doi, M., Garnavich, P. M., Hogan, C. J., Jha, S., Konishi, K., Lampeitl, H., Marshall, J. L., McGinnis, D., Prieto, J. L., Riess, A. G., Richmond, M. W., Schneider, D. P., Smith, M., Takanashi, N., Tokita, K., van der Heyden, K., Yasuda, N., Zheng, C., Barentine, J., Brewington, H., Choi, C., Crotts, A., Dembicky, J., Harvanek, M., Im, M., Ketzeback, W., Kleinman, S. J., Krzesiński, J., Long, D. C., Malanushenko, E., Malanushenko, V., McMillan, R. J., Nitta, A., Pan, K., Saurage, G., Snedden, S. A., Watters, S., Wheeler, J. C., York, D., Dilday, Benjamin, Kessler, R., Frieman, J. A., Holtzman, J., Marriner, J., Miknaitis, G., Nichol, R. C., Romani, R., Sako, M., Bassett, B., Becker, A., Cinabro, D., DeJongh, F., Depoy, D. L., Doi, M., Garnavich, P. M., Hogan, C. J., Jha, S., Konishi, K., Lampeitl, H., Marshall, J. L., McGinnis, D., Prieto, J. L., Riess, A. G., Richmond, M. W., Schneider, D. P., Smith, M., Takanashi, N., Tokita, K., van der Heyden, K., Yasuda, N., Zheng, C., Barentine, J., Brewington, H., Choi, C., Crotts, A., Dembicky, J., Harvanek, M., Im, M., Ketzeback, W., Kleinman, S. J., Krzesiński, J., Long, D. C., Malanushenko, E., Malanushenko, V., McMillan, R. J., Nitta, A., Pan, K., Saurage, G., Snedden, S. A., Watters, S., Wheeler, J. C., and York, D.
Abstract: We present a measurement of the rate of type Ia supernovae (SNe Ia) from the first of three seasons of data from the SDSS-II Supernova Survey. For this measurement, we include 17 SNe Ia at redshift $z\le0.12$. Assuming a flat cosmology with $\Omega_m = 0.3=1-\Omega_\Lambda$, we find a volumetric SN Ia rate of $[2.93^{+0.17}_{-0.04}({\rm systematic})^{+0.90}_{-0.71}({\rm statistical})] \times 10^{-5} {\rm SNe} {\rm Mpc}^{-3} h_{70}^3 {\rm year}^{-1}$, at a volume-weighted mean redshift of 0.09. This result is consistent with previous measurements of the SN Ia rate in a similar redshift range. The systematic errors are well controlled, resulting in the most precise measurement of the SN Ia rate in this redshift range. We use a maximum likelihood method to fit SN rate models to the SDSS-II Supernova Survey data in combination with other rate measurements, thereby constraining models for the redshift-evolution of the SN Ia rate. Fitting the combined data to a simple power-law evolution of the volumetric SN Ia rate, $r_V \propto (1+z)^{\beta}$, we obtain a value of $\beta = 1.5 \pm 0.6$, i.e. the SN Ia rate is determined to be an increasing function of redshift at the $\sim 2.5 \sigma$ level. Fitting the results to a model in which the volumetric SN rate, $r_V=A\rho(t)+B\dot \rho(t)$, where $\rho(t)$ is the stellar mass density and $\dot \rho(t)$ is the star formation rate, we find $A = (2.8 \pm 1.2) \times 10^{-14} \mathrm{SNe} \mathrm{M}_{\sun}^{-1} \mathrm{year}^{-1}$, $B = (9.3^{+3.4}_{-3.1})\times 10^{-4} \mathrm{SNe} \mathrm{M}_{\sun}^{-1}$., Comment: 65 pages, 12 figures
Published: 2008
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50. A Measurement of the Rate of type-Ia Supernovae at Redshift $z\approx$ 0.1 from the First Season of the SDSS-II Supernova Survey

Author: Dilday, Benjamin, Kessler, R., Frieman, J. A., Holtzman, J., Marriner, J., Miknaitis, G., Nichol, R. C., Romani, R., Sako, M., Bassett, B., Becker, A., Cinabro, D., DeJongh, F., Depoy, D. L., Doi, M., Garnavich, P. M., Hogan, C. J., Jha, S., Konishi, K., Lampeitl, H., Marshall, J. L., McGinnis, D., Prieto, J. L., Riess, A. G., Richmond, M. W., Schneider, D. P., Smith, M., Takanashi, N., Tokita, K., van der Heyden, K., Yasuda, N., Zheng, C., Barentine, J., Brewington, H., Choi, C., Crotts, A., Dembicky, J., Harvanek, M., Im, M., Ketzeback, W., Kleinman, S. J., Krzesiński, J., Long, D. C., Malanushenko, E., Malanushenko, V., McMillan, R. J., Nitta, A., Pan, K., Saurage, G., Snedden, S. A., Watters, S., Wheeler, J. C., York, D., Dilday, Benjamin, Kessler, R., Frieman, J. A., Holtzman, J., Marriner, J., Miknaitis, G., Nichol, R. C., Romani, R., Sako, M., Bassett, B., Becker, A., Cinabro, D., DeJongh, F., Depoy, D. L., Doi, M., Garnavich, P. M., Hogan, C. J., Jha, S., Konishi, K., Lampeitl, H., Marshall, J. L., McGinnis, D., Prieto, J. L., Riess, A. G., Richmond, M. W., Schneider, D. P., Smith, M., Takanashi, N., Tokita, K., van der Heyden, K., Yasuda, N., Zheng, C., Barentine, J., Brewington, H., Choi, C., Crotts, A., Dembicky, J., Harvanek, M., Im, M., Ketzeback, W., Kleinman, S. J., Krzesiński, J., Long, D. C., Malanushenko, E., Malanushenko, V., McMillan, R. J., Nitta, A., Pan, K., Saurage, G., Snedden, S. A., Watters, S., Wheeler, J. C., and York, D.
Abstract: We present a measurement of the rate of type Ia supernovae (SNe Ia) from the first of three seasons of data from the SDSS-II Supernova Survey. For this measurement, we include 17 SNe Ia at redshift $z\le0.12$. Assuming a flat cosmology with $\Omega_m = 0.3=1-\Omega_\Lambda$, we find a volumetric SN Ia rate of $[2.93^{+0.17}_{-0.04}({\rm systematic})^{+0.90}_{-0.71}({\rm statistical})] \times 10^{-5} {\rm SNe} {\rm Mpc}^{-3} h_{70}^3 {\rm year}^{-1}$, at a volume-weighted mean redshift of 0.09. This result is consistent with previous measurements of the SN Ia rate in a similar redshift range. The systematic errors are well controlled, resulting in the most precise measurement of the SN Ia rate in this redshift range. We use a maximum likelihood method to fit SN rate models to the SDSS-II Supernova Survey data in combination with other rate measurements, thereby constraining models for the redshift-evolution of the SN Ia rate. Fitting the combined data to a simple power-law evolution of the volumetric SN Ia rate, $r_V \propto (1+z)^{\beta}$, we obtain a value of $\beta = 1.5 \pm 0.6$, i.e. the SN Ia rate is determined to be an increasing function of redshift at the $\sim 2.5 \sigma$ level. Fitting the results to a model in which the volumetric SN rate, $r_V=A\rho(t)+B\dot \rho(t)$, where $\rho(t)$ is the stellar mass density and $\dot \rho(t)$ is the star formation rate, we find $A = (2.8 \pm 1.2) \times 10^{-14} \mathrm{SNe} \mathrm{M}_{\sun}^{-1} \mathrm{year}^{-1}$, $B = (9.3^{+3.4}_{-3.1})\times 10^{-4} \mathrm{SNe} \mathrm{M}_{\sun}^{-1}$., Comment: 65 pages, 12 figures
Published: 2008
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