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7 results on '"Cerdeno, DG"'

1. New Results from the Search for Low-Mass Weakly Interacting Massive Particles with the CDMS Low Ionization Threshold Experiment

Author

Agnese, R, Anderson, AJ, Aramaki, T, Asai, M, Baker, W, Balakishiyeva, D, Barker, D, Thakur, R Basu, Bauer, DA, Billard, J, Borgland, A, Bowles, MA, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Calkins, R, Cerdeno, DG, Chagani, H, Chen, Y, Cooley, J, Cornell, B, Cushman, P, Daal, M, Di Stefano, PCF, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Ghaith, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, HR, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jardin, D, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Leder, A, Loer, B, Asamar, E Lopez, Lukens, P, Mahapatra, R, Mandic, V, Mast, N, Mirabolfathi, N, Moffatt, RA, Mendoza, JD Morales, Oser, SM, Page, K, Page, WA, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Roberts, A, Rogers, HE, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Toback, D, Underwood, R, Upadhyayula, S, Villano, AN, Welliver, B, Wilson, JS, Wright, DH, Yellin, S, Yen, JJ, Young, BA, and Zhang, J

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, SuperCDMS Collaboration, astro-ph.CO, astro-ph.IM, hep-ex, physics.ins-det, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

The CDMS low ionization threshold experiment (CDMSlite) uses cryogenic germanium detectors operated at a relatively high bias voltage to amplify the phonon signal in the search for weakly interacting massive particles (WIMPs). Results are presented from the second CDMSlite run with an exposure of 70 kg day, which reached an energy threshold for electron recoils as low as 56 eV. A fiducialization cut reduces backgrounds below those previously reported by CDMSlite. New parameter space for the WIMP-nucleon spin-independent cross section is excluded for WIMP masses between 1.6 and 5.5  GeV/c^{2}.

Published
2016

2. First direct limits on lightly ionizing particles with electric charge less than e/6.

Author

Agnese, R, Anderson, AJ, Balakishiyeva, D, Basu Thakur, R, Bauer, DA, Billard, J, Borgland, A, Bowles, MA, Brandt, D, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Chen, Y, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Di Stefano, PCF, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Godfrey, GL, Golwala, SR, Hall, J, Harris, HR, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kiveni, M, Koch, K, Leder, A, Loer, B, Lopez Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nelson, H, Nelson, RH, Ogburn, RW, Page, K, Page, WA, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Rogers, HE, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, RW, Scorza, S, Serfass, B, Shank, B, Speller, D, Upadhyayula, S, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Young, BA, Zhang, J, and CDMS Collaboration

Subjects
CDMS Collaboration, hep-ex, astro-ph.CO, astro-ph.HE, physics.ins-det, General Physics, Physical Sciences
Abstract

While the standard model of particle physics does not include free particles with fractional charge, experimental searches have not ruled out their existence. We report results from the Cryogenic Dark Matter Search (CDMS II) experiment that give the first direct-detection limits for cosmogenically produced relativistic particles with electric charge lower than e/6. A search for tracks in the six stacked detectors of each of two of the CDMS II towers finds no candidates, thereby excluding new parameter space for particles with electric charges between e/6 and e/200.

Published
2015

3. Search for Low-Mass Weakly Interacting Massive Particles with SuperCDMS

Author

Agnese, R, Anderson, AJ, Asai, M, Balakishiyeva, D, Thakur, R Basu, Bauer, DA, Beaty, J, Billard, J, Borgland, A, Bowles, MA, Brandt, D, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Chen, Y, Cherry, M, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, DeVaney, D, Di Stefano, PCF, Do Couto E Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Godfrey, GL, Golwala, SR, Hall, J, Hansen, S, Harris, HR, Hertel, SA, Hines, BA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kenany, S, Kennedy, A, Kiveni, M, Koch, K, Leder, A, Loer, B, Asamar, E Lopez, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Nelson, RH, Novak, L, Page, K, Partridge, R, Pepin, M, Phipps, A, Platt, M, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Resch, RW, Ricci, Y, Ruschman, M, Saab, T, Sadoulet, B, Sander, J, Schmitt, RL, Schneck, K, Schnee, RW, Scorza, S, Seitz, DN, Serfass, B, Shank, B, Speller, D, Tomada, A, Upadhyayula, S, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Young, BA, and Zhang, J

Subjects
(SuperCDMS Collaboration), hep-ex, astro-ph.CO, physics.ins-det, Mathematical Sciences, Physical Sciences, Engineering, General Physics
Abstract

We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg days was analyzed for WIMPs with mass

Published
2014

4. Search for Low-Mass Weakly Interacting Massive Particles Using Voltage-Assisted Calorimetric Ionization Detection in the SuperCDMS Experiment

Author

Agnese, R, Anderson, AJ, Asai, M, Balakishiyeva, D, Thakur, R Basu, Bauer, DA, Billard, J, Borgland, A, Bowles, MA, Brandt, D, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Di Stefano, PCF, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Godfrey, GL, Golwala, SR, Hall, J, Harris, HR, Hertel, SA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kennedy, A, Kiveni, M, Koch, K, Loer, B, Asamar, E Lopez, 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, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Young, BA, and Zhang, J

Subjects
(SuperCDMS collaboration), physics.ins-det, astro-ph.CO, astro-ph.IM, hep-ex, Mathematical Sciences, Physical Sciences, Engineering, General Physics
Abstract

SuperCDMS is an experiment designed to directly detect weakly interacting massive particles (WIMPs), a favored candidate for dark matter ubiquitous in the Universe. In this Letter, we present WIMP-search results using a calorimetric technique we call CDMSlite, which relies on voltage-assisted Luke-Neganov amplification of the ionization energy deposited by particle interactions. The data were collected with a single 0.6 kg germanium detector running for ten live days at the Soudan Underground Laboratory. A low energy threshold of 170  eVee (electron equivalent) was obtained, which allows us to constrain new WIMP-nucleon spin-independent parameter space for WIMP masses below 6  GeV/c2.

Published
2014

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

Author

Agnese, R, Ahmed, Z, Anderson, AJ, Arrenberg, S, Balakishiyeva, D, Thakur, R Basu, 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, Asamar, E Lopez, 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

Subjects
CDMS Collaboration, hep-ex, astro-ph.CO, astro-ph.IM, physics.ins-det, Mathematical Sciences, Physical Sciences, Engineering, General Physics
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

Published
2013

6. Demonstration of surface electron rejection with interleaved germanium detectors for dark matter searches

Author

Agnese, R, Anderson, AJ, Balakishiyeva, D, Thakur, R Basu, Bauer, DA, Borgland, A, Brandt, D, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Cerdeno, DG, Chagani, H, Cherry, M, Cooley, J, Cornell, B, Crewdson, CH, Cushman, P, Daal, M, Di Stefano, PCF, Do Couto E Silva, E, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Fox, J, Fritts, M, Godfrey, GL, Golwala, SR, Hall, J, Harris, HR, Hasi, J, Hertel, SA, Hines, BA, Hofer, T, Holmgren, D, Hsu, L, Huber, ME, Jastram, A, Kamaev, O, Kara, B, Kelsey, MH, Kenany, SA, Kennedy, A, Kenney, CJ, Kiveni, M, Koch, K, Loer, B, Asamar, E Lopez, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, KA, Mirabolfathi, N, Moffatt, RA, Moore, DC, Nadeau, P, Nelson, RH, Novak, L, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Radpour, R, Rau, W, Redl, P, Reisetter, A, Resch, RW, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schmitt, R, Schneck, K, Schnee, RW, Scorza, S, Seitz, D, Serfass, B, Shank, B, Speller, D, Tomada, A, Villano, AN, Welliver, B, Wright, DH, Yellin, S, Yen, JJ, Young, BA, and Zhang, J

Subjects
physics.ins-det, astro-ph.GA, hep-ex, Physical Sciences, Engineering, Technology, Applied Physics
Abstract

The SuperCDMS experiment in the Soudan Underground Laboratory searches for dark matter with a 9-kg array of cryogenic germanium detectors. Symmetric sensors on opposite sides measure both charge and phonons from each particle interaction, providing excellent discrimination between electron and nuclear recoils, and between surface and interior events. Surface event rejection capabilities were tested with two 210Pb sources producing ∼130 beta decays/hr. In ∼800 live hours, no events leaked into the 8-115 keV signal region, giving upper limit leakage fraction 1.7 × 10-5 at 90% C.L., corresponding to < 0.6 surface event background in the future 200-kg SuperCDMS SNOLAB experiment. © 2013 AIP Publishing LLC.

Published
2013

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

Author

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

Subjects
astro-ph.CO, hep-ex, Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
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

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