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4 results on '"Goon, J. T. M."'

1. Cosmogenic neutron production at the Sudbury Neutrino Observatory

Author

SNO Collaboration, Aharmim, B., Ahmed, S. N., Anthony, A. E., Barros, N., Beier, E. W., Bellerive, A., Beltran, B., Bergevin, M., Biller, S. D., Bonventre, R., Boudjemline, K., Boulay, M. G., Cai, B., Callaghan, E. J., Caravaca, J., Chan, Y. D., Chauhan, D., Chen, M., Cleveland, B. T., Cox, G. A., Curley, R., Dai, X., Deng, H., Descamps, F. B., Detwiler, J. A., Doe, P. J., Doucas, G., Drouin, P.-L., Dunford, M., Elliott, S. R., Evans, H. C., Ewan, G. T., Farine, J., Fergani, H., Fleurot, F., Ford, R. J., Formaggio, J. A., Gagnon, N., Gilje, K., Goon, J. T. M., Graham, K., Guillian, E., Habib, S., Hahn, R. L., Hallin, A. L., Hallman, E. D., Harvey, P. J., Hazama, R., Heintzelman, W. J., Heise, J., Helmer, R. L., Hime, A., Howard, C., Huang, M., Jagam, P., Jamieson, B., Jelley, N. A., Jerkins, M., Kéfélian, C., Keeter, K. J., Klein, J. R., Kormos, L. L., Kos, M., Krüger, A., Kraus, C., Krauss, C. B., Kutter, T., Kyba, C. C. M., Land, B. J., Lange, R., Law, J., Lawson, I. T., Lesko, K. T., Leslie, J. R., Levine, I., Loach, J. C., MacLellan, R., Majerus, S., Mak, H. B., Maneira, J., Martin, R. D., Mastbaum, A., McCauley, N., McDonald, A. B., McGee, S. R., Miller, M. L., Monreal, B., Monroe, J., Nickel, B. G., Noble, A. J., O’Keeffe, H. M., Oblath, N. S., Okada, C. E., Ollerhead, R. W., Orebi Gann, G. D., Oser, S. M., Ott, R. A., Peeters, S. J. M., Poon, A. W. P., Prior, G., Reitzner, S. D., Rielage, K., Robertson, B. C., Robertson, R. G. H., Schwendener, M. H., Secrest, J. A., Seibert, S. R., Simard, O., Sinclair, D., Skensved, P., Sonley, T. J., Stonehill, L. C., Tešić, G., Tolich, N., Tsui, T., Van Berg, R., VanDevender, B. A., Virtue, C. J., Wall, B. L., Waller, D., Wan Chan Tseung, H., Wark, D. L., Wendland, J., West, N., Wilkerson, J. F., Wilson, J. R., Winchester, T., Wright, A., Yeh, M., Zhang, F., and Zuber, K.

Subjects
Astrophysics::High Energy Astrophysical Phenomena, Extrapolation, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), chemistry.chemical_compound, Neutron yield, Observatory, 0103 physical sciences, ddc:530, Neutron, Nuclear Experiment (nucl-ex), Nuclear Experiment, 010306 general physics, QC, Heavy water, Physics, Sudbury Neutrino Observatory, Muon, 010308 nuclear & particles physics, Observable, chemistry, High Energy Physics::Experiment
Abstract

Neutrons produced in nuclear interactions initiated by cosmic-ray muons present an irreducible background to many rare-event searches, even in detectors located deep underground. Models for the production of these neutrons have been tested against previous experimental data, but the extrapolation to deeper sites is not well understood. Here we report results from an analysis of cosmogenically produced neutrons at the Sudbury Neutrino Observatory. A specific set of observables are presented, which can be used to benchmark the validity of geant4 physics models. In addition, the cosmogenic neutron yield, in units of 10−4 cm2/(g·μ), is measured to be 7.28±0.09(stat)−1.12+1.59(syst) in pure heavy water and 7.30±0.07(stat)−1.02+1.40(syst) in NaCl-loaded heavy water. These results provide unique insights into this potential background source for experiments at SNOLAB.

Published
2019

2. Combined analysis of all three phases of solar neutrino data from the Sudbury Neutrino Observatory

Author

Aharmim, B., Ahmed, S. N., Anthony, A. E., Barros, N., Beier, E. W., Bellerive, A., Beltran, B., Bergevin, M., Biller, S. D., Boudjemline, K., Boulay, M. G., Cai, B., Chan, Y. D., Chauhan, D., Chen, M., Cleveland, B. T., Cox, G. A., Dai, X., Deng, H., Detwiler, J. A., DiMarco, M., Doe, P. J., Doucas, G., Drouin, P. -L., Duncan, F. A., Dunford, M., Earle, E. D., Elliott, S. R., Evans, H. C., Ewan, G. T., Farine, J., Fergani, H., Fleurot, F., Ford, R. J., Formaggio, J. A., Gagnon, N., Goon, J. T. M., Graham, K., Guillian, E., Habib, S., Hahn, R. L., Hallin, A. L., Hallman, E. D., Harvey, P. J., Hazama, R., Heintzelman, W. J., Heise, J., Helmer, R. L., Kormos, L. L., O'Keeffe, Helen, SNO Collaboration, Aharmim, B., Ahmed, S. N., Anthony, A. E., Barros, N., Beier, E. W., Bellerive, A., Beltran, B., Bergevin, M., Biller, S. D., Boudjemline, K., Boulay, M. G., Cai, B., Chan, Y. D., Chauhan, D., Chen, M., Cleveland, B. T., Cox, G. A., Dai, X., Deng, H., Detwiler, J. A., DiMarco, M., Doe, P. J., Doucas, G., Drouin, P. -L., Duncan, F. A., Dunford, M., Earle, E. D., Elliott, S. R., Evans, H. C., Ewan, G. T., Farine, J., Fergani, H., Fleurot, F., Ford, R. J., Formaggio, J. A., Gagnon, N., Goon, J. T. M., Graham, K., Guillian, E., Habib, S., Hahn, R. L., Hallin, A. L., Hallman, E. D., Harvey, P. J., Hazama, R., Heintzelman, W. J., Heise, J., Helmer, R. L., Kormos, L. L., O'Keeffe, Helen, and SNO Collaboration

Abstract

We report results from a combined analysis of solar neutrino data from all phases of the Sudbury Neutrino Observatory (SNO). By exploiting particle identification information obtained from the proportional counters installed during the third phase, this analysis improved background rejection in that phase of the experiment. The combined analysis of the SNO data resulted in a total flux of active neutrino flavors from B-8 decays in the Sun of (5.25 +/- 0.16(stat.)(-0.13)(+0.11)(syst.)) x 10(6) cm(-2)s(-1), while a two-flavor neutrino oscillation analysis yielded Delta m(21)(2) = (5.6(-1.4)(+1.9)) x 10(-5) eV(2) and tan(2) theta(12) = 0.427(-0.029)(+0.033). A three-flavor neutrino oscillation analysis combining the SNO result with results of all other solar neutrino experiments and reactor neutrino experiments yielded Delta m(21)(2) = (7.46(-0.19)(+0.20)) x 10(-5) eV(2), tan(2) theta(12) = 0.443(-0.025)(+0.030), and sin(2) theta(13) = (2.49(-0.32)(+0.20)) x 10(-2).

Published
2013

3. Direct measurement of backgrounds using reactor-off data in Double Chooz

Author

Center for Neutrino Physics, Physics, Abe, Y., Aberle, C., dos Anjos, J. C., Barriere, J. C., Bergevin, M., Bernstein, A., Bezerra, T. J. C., Bezrukhov, Leonid B., Blucher, E., Bowden, N. S., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, Leslie, Carr, Rachel E., Cerrada, M., Chang, P. J., Chimenti, P., Classen, T., Collin, A. P., Conover, E., Conrad, Janet M., Crespo-Anadon, J. I., Crum, K., Cucoanes, A. S., D'Agostino, M. V., Damon, E., Dawson, J. V., Dazeley, S., Dietrich, D., Djurcic, Zelimir, Dracos, M., Durand, V., Ebert, J., Efremenko, Y., Elnimr, M., Erickson, A., Etenko, A., Fallot, M., Fechner, M., von Feilitzsch, F., Felde, J., Fernandes, S. M., Fischer, V., Franco, D., Franke, A. J., Franke, M., Furuta, H., Gama, R., Gil-Botella, I., Giot, L., Goger-Neff, M., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Goon, J. T. M., Greiner, D., Haag, N., Habib, S., Hagner, C., Hara, T., Hartmann, F. X., Haser, J., Hatzikoutelis, A., Hayakawa, T., Hofmann, M., Horton-Smith, Glenn A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Jones, C. L., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Keefer, G., Kemp, E., de Kerret, H., Kibe, Y., Konno, T., Kryn, D., Kuze, M., Lachenmaier, Tobias, Lane, C. E., Langbrandtner, C., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., Lopez-Castano, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., McKee, D., Maeda, J., Maesano, C. N., Mariani, Camillo, Maricic, Jelena, Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Meyer, M., Miletic, T., Milincic, R., Miyata, H., Mueller, T. A., Nagasaka, Y., Nakajima, K., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Ostrovskiy, I., Palomares, C., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Potzel, W., Pronost, G., Reichenbacher, J., Reinhold, B., Remoto, A., Roehling, M., Roncin, R., Roth, S., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schoenert, S., Schoppmann, S., Schwetz, T., Shaevitz, Marjorie Hansen, Shimojima, S., Shrestha, D., Sida, J. L., Sinev, V., Skorokhvatov, Mikhail D., Smith, E., Spitz, Joshua, Stahl, A., Stancu, Ion, Stokes, Lee F. F., Strait, M., Stuken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Toups, M., Thi, H. H. T., Valdiviesso, G. A., Veyssiere, C., Wagner, S., Watanabe, H., White, B., Wiebusch, C., Winslow, L., Worcester, M., Wurm, M., Yermia, F., Zimmer, V., Double Chooz, Collaboration, Center for Neutrino Physics, Physics, Abe, Y., Aberle, C., dos Anjos, J. C., Barriere, J. C., Bergevin, M., Bernstein, A., Bezerra, T. J. C., Bezrukhov, Leonid B., Blucher, E., Bowden, N. S., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, Leslie, Carr, Rachel E., Cerrada, M., Chang, P. J., Chimenti, P., Classen, T., Collin, A. P., Conover, E., Conrad, Janet M., Crespo-Anadon, J. I., Crum, K., Cucoanes, A. S., D'Agostino, M. V., Damon, E., Dawson, J. V., Dazeley, S., Dietrich, D., Djurcic, Zelimir, Dracos, M., Durand, V., Ebert, J., Efremenko, Y., Elnimr, M., Erickson, A., Etenko, A., Fallot, M., Fechner, M., von Feilitzsch, F., Felde, J., Fernandes, S. M., Fischer, V., Franco, D., Franke, A. J., Franke, M., Furuta, H., Gama, R., Gil-Botella, I., Giot, L., Goger-Neff, M., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Goon, J. T. M., Greiner, D., Haag, N., Habib, S., Hagner, C., Hara, T., Hartmann, F. X., Haser, J., Hatzikoutelis, A., Hayakawa, T., Hofmann, M., Horton-Smith, Glenn A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Jones, C. L., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Keefer, G., Kemp, E., de Kerret, H., Kibe, Y., Konno, T., Kryn, D., Kuze, M., Lachenmaier, Tobias, Lane, C. E., Langbrandtner, C., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., Lopez-Castano, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., McKee, D., Maeda, J., Maesano, C. N., Mariani, Camillo, Maricic, Jelena, Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Meyer, M., Miletic, T., Milincic, R., Miyata, H., Mueller, T. A., Nagasaka, Y., Nakajima, K., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Ostrovskiy, I., Palomares, C., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Potzel, W., Pronost, G., Reichenbacher, J., Reinhold, B., Remoto, A., Roehling, M., Roncin, R., Roth, S., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schoenert, S., Schoppmann, S., Schwetz, T., Shaevitz, Marjorie Hansen, Shimojima, S., Shrestha, D., Sida, J. L., Sinev, V., Skorokhvatov, Mikhail D., Smith, E., Spitz, Joshua, Stahl, A., Stancu, Ion, Stokes, Lee F. F., Strait, M., Stuken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Toups, M., Thi, H. H. T., Valdiviesso, G. A., Veyssiere, C., Wagner, S., Watanabe, H., White, B., Wiebusch, C., Winslow, L., Worcester, M., Wurm, M., Yermia, F., Zimmer, V., and Double Chooz, Collaboration

Abstract

Double Chooz is unique among modern reactor-based neutrino experiments studying (nu) over bar (e) disappearance in that data can be collected with all reactors off. In this paper, we present data from 7.53 days of reactor-off running. Applying the same selection criteria as used in the Double Chooz reactor-on oscillation analysis, a measured background rate of 1.0 +/- 0.4 events/day is obtained. The background model for accidentals, cosmogenic beta-n-emitting isotopes, fast neutrons from cosmic muons, and stopped-mu decays used in the oscillation analysis is demonstrated to be correct within the uncertainties. Kinematic distributions of the events, which are dominantly cosmic-ray-produced correlated-background events, are provided. The background rates are scaled to the shielding depths of two other reactor-based oscillation experiments, Daya Bay and RENO.

Published
2013

4. Reactor (nu)over-bar(e) disappearance in the Double Chooz experiment

Author

Center for Neutrino Physics, Physics, Abe, Y., Aberle, C., dos Anjos, J. C., Barriere, J. C., Bergevin, M., Bernstein, A., Bezerra, T. J. C., Bezrukhov, Leonid B., Blucher, E., Bowden, N. S., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, Leslie, Carr, Rachel E., Cerrada, M., Chang, P. J., Chimenti, P., Classen, T., Collin, A. P., Conover, E., Conrad, Janet M., Crespo-Anadon, J. I., Crum, K., Cucoanes, A. S., D'Agostino, M. V., Damon, E., Dawson, J. V., Dazeley, S., Dietrich, D., Djurcic, Zelimir, Dracos, M., Durand, V., Ebert, J., Efremenko, Y., Elnimr, M., Etenko, A., Fallot, M., Fechner, M., von Feilitzsch, F., Felde, J., Franco, D., Franke, A. J., Franke, M., Furuta, H., Gama, R., Gil-Botella, I., Giot, L., Goger-Neff, M., Gonzalez, L. F. G., Goodman, M. C., Goon, J. T. M., Greiner, D., Haag, N., Hagner, C., Hara, T., Hartmann, F. X., Haser, J., Hatzikoutelis, A., Hayakawa, T., Hofmann, M., Horton-Smith, Glenn A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Jones, C. L., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Keefer, G., Kemp, E., de Kerret, H., Kibe, Y., Konno, T., Kryn, D., Kuze, M., Lachenmaier, Tobias, Lane, C. E., Langbrandtner, C., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., Lopez-Castano, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., McKee, D., Maeda, J., Maesano, C. N., Mariani, Camillo, Maricic, Jelena, Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Miletic, T., Milincic, R., Miyata, H., Mueller, T. A., Nagasaka, Y., Nakajima, K., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Ostrovskiy, I., Palomares, C., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Potzel, W., Reichenbacher, J., Reinhold, B., Remoto, A., Roehling, M., Roncin, R., Roth, S., Sakamoto, Y., Santorelli, R., Sato, F., Schoenert, S., Schoppmann, S., Schwetz, T., Shaevitz, Marjorie Hansen, Shimojima, S., Shrestha, D., Sida, J. L., Sinev, V., Skorokhvatov, Mikhail D., Smith, E., Spitz, Joshua, Stahl, A., Stancu, Ion, Stokes, Lee F. F., Strait, M., Stuken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Toups, M., Thi, H. H. T., Valdiviesso, G. A., Veyssiere, C., Wagner, S., Watanabe, H., White, B., Wiebusch, C., Winslow, L., Worcester, M., Wurm, M., Yermia, F., Zimmer, V., Double Chooz, Collaboration, Center for Neutrino Physics, Physics, Abe, Y., Aberle, C., dos Anjos, J. C., Barriere, J. C., Bergevin, M., Bernstein, A., Bezerra, T. J. C., Bezrukhov, Leonid B., Blucher, E., Bowden, N. S., Buck, C., Busenitz, J., Cabrera, A., Caden, E., Camilleri, Leslie, Carr, Rachel E., Cerrada, M., Chang, P. J., Chimenti, P., Classen, T., Collin, A. P., Conover, E., Conrad, Janet M., Crespo-Anadon, J. I., Crum, K., Cucoanes, A. S., D'Agostino, M. V., Damon, E., Dawson, J. V., Dazeley, S., Dietrich, D., Djurcic, Zelimir, Dracos, M., Durand, V., Ebert, J., Efremenko, Y., Elnimr, M., Etenko, A., Fallot, M., Fechner, M., von Feilitzsch, F., Felde, J., Franco, D., Franke, A. J., Franke, M., Furuta, H., Gama, R., Gil-Botella, I., Giot, L., Goger-Neff, M., Gonzalez, L. F. G., Goodman, M. C., Goon, J. T. M., Greiner, D., Haag, N., Hagner, C., Hara, T., Hartmann, F. X., Haser, J., Hatzikoutelis, A., Hayakawa, T., Hofmann, M., Horton-Smith, Glenn A., Hourlier, A., Ishitsuka, M., Jochum, J., Jollet, C., Jones, C. L., Kaether, F., Kalousis, L. N., Kamyshkov, Y., Kaplan, D. M., Kawasaki, T., Keefer, G., Kemp, E., de Kerret, H., Kibe, Y., Konno, T., Kryn, D., Kuze, M., Lachenmaier, Tobias, Lane, C. E., Langbrandtner, C., Lasserre, T., Letourneau, A., Lhuillier, D., Lima, H. P., Lindner, M., Lopez-Castano, J. M., LoSecco, J. M., Lubsandorzhiev, B. K., Lucht, S., McKee, D., Maeda, J., Maesano, C. N., Mariani, Camillo, Maricic, Jelena, Martino, J., Matsubara, T., Mention, G., Meregaglia, A., Miletic, T., Milincic, R., Miyata, H., Mueller, T. A., Nagasaka, Y., Nakajima, K., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Ostrovskiy, I., Palomares, C., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Potzel, W., Reichenbacher, J., Reinhold, B., Remoto, A., Roehling, M., Roncin, R., Roth, S., Sakamoto, Y., Santorelli, R., Sato, F., Schoenert, S., Schoppmann, S., Schwetz, T., Shaevitz, Marjorie Hansen, Shimojima, S., Shrestha, D., Sida, J. L., Sinev, V., Skorokhvatov, Mikhail D., Smith, E., Spitz, Joshua, Stahl, A., Stancu, Ion, Stokes, Lee F. F., Strait, M., Stuken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Svoboda, R., Terao, K., Tonazzo, A., Toups, M., Thi, H. H. T., Valdiviesso, G. A., Veyssiere, C., Wagner, S., Watanabe, H., White, B., Wiebusch, C., Winslow, L., Worcester, M., Wurm, M., Yermia, F., Zimmer, V., and Double Chooz, Collaboration

Abstract

The Double Chooz experiment has observed 8249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years (reactor power X detector mass X live time) exposure using a 10.3 m(3) fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of theta(13) = 0 is 8937 events. The deficit is interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin(2)2 theta(13) = 0.109 +/- 0.030(stat) +/- 0.025(syst). The data exclude the no-oscillation hypothesis at 99.8% CL (2.9 sigma).

Published
2012

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