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Search for low-mass weakly interacting massive particles with SuperCDMS

  • Author(s): Agnese, R
  • Anderson, AJ
  • Asai, M
  • Balakishiyeva, D
  • Basu Thakur, R
  • 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
  • Silva, EDCE
  • 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
  • Lopez Asamar, E
  • 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
  • Zhang, J
  • et al.
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 <30GeV/c2, with the signal region blinded. Eleven events were observed after unblinding. We set an upper limit on the spin-independent WIMP-nucleon cross section of 1.2×10-42cm2 at 8GeV/c2. This result is in tension with WIMP interpretations of recent experiments and probes new parameter space for WIMP-nucleon scattering for WIMP masses <6GeV/c2. © 2014 American Physical Society.

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