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4 results on '"(CDMS Collaboration)"'

1. 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

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, Mathematical Sciences, Physical Sciences, Engineering, General Physics
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. Silicon detector dark matter results from the final exposure of CDMS II.

Author

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

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

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

Author

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

Subjects
CDMS Collaboration, astro-ph.CO, hep-ex, General Physics, Physical Sciences
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

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