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Dark Matter Search Results from the CDMS II Experiment

Ahmed, Z. and Akerib, D. S. and Arrenberg, S. and Bailey, C. N. and Balakishiyeva, D. and Baudis, L. and Bauer, D. A. and Brink, P. L. and Bruch, T. and Bunker, R. and Cabrera, B. and Caldwell, D. O. and Cooley, J. and Cushman, P. and Daal, M. and DeJongh, F. and Dragowsky, M. R. and Duong, L. and Fallows, S. and Figueroa-Feliciano, E. and Filippini, J. and Fritts, M. and Golwala, S. R. and Grant, D. R. and Hall, J. and Hennings-Yeomans, R. and Hertel, S. A. and Holmgren, D. and Hsu, L. and Huber, M. E. and Kamaev, O. and Kiveni, M. and Kos, M. and Leman, S. W. and Mahapatra, R. and Mandic, V. and McCarthy, K. A. and Mirabolfathi, N. and Moore, D. and Nelson, H. and Ogburn, R. W. and Phipps, A. and Pyle, M. and Qiu, X. and Ramberg, E. and Rau, W. and Reisetter, A. and Saab, T. and Sadoulet, B. and Sander, J. and Schnee, R. W. and Seitz, D. N. and Serfass, B. and Sundqvist, K. M. and Tarka, M. and Wikus, P. and Yellin, S. and Yoo, J. and Young, B. A. and Zhang, J. (2010) Dark Matter Search Results from the CDMS II Experiment. Science, 327 (5973). pp. 1619-1621. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20100412-103141639

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Abstract

Astrophysical observations indicate that dark matter constitutes most of the mass in our universe, but its nature remains unknown. Over the past decade, the Cryogenic Dark Matter Search (CDMS II) experiment has provided world-leading sensitivity for the direct detection of weakly interacting massive particle (WIMP) dark matter. The final exposure of our low-temperature germanium particle detectors at the Soudan Underground Laboratory yielded two candidate events, with an expected background of 0.9 ± 0.2 events. This is not statistically significant evidence for a WIMP signal. The combined CDMS II data place the strongest constraints on the WIMP-nucleon spin-independent scattering cross section for a wide range of WIMP masses and exclude new parameter space in inelastic dark matter models.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.1186112 DOIArticle
http://www.sciencemag.org/cgi/content/abstract/327/5973/1619PublisherArticle
ORCID:
AuthorORCID
Golwala, S. R.0000-0002-1098-7174
Additional Information:© 2010 American Association for the Advancement of Science. Received 17 December 2009; accepted 5 February 2010. Published online 11 February 2010. The CDMS collaboration gratefully acknowledges the contributions of numerous engineers and technicians; we would like to especially thank J. Beaty, B. Hines, L. Novak, R. Schmitt, and A. Tomada. This work is supported in part by the National Science Foundation (grants AST-9978911, PHY-0542066, PHY-0503729, PHY-0503629, PHY-0503641, PHY-0504224, PHY-0705052, PHY-0801708, PHY-0801712, PHY-0802575, and PHY-0855525), by the Department of Energy (contracts DE-AC03-76SF00098, DE-FG02-91ER40688, DE-FG02-92ER40701, DE-FG03-90ER40569, and DE-FG03-91ER40618), by the Swiss National Foundation (SNF grant 20-118119), and by the Natural Sciences and Engineering Research Council of Canada (grant SAPIN 341314-07).
Group:Caltech Theory
Funders:
Funding AgencyGrant Number
NSFAST-9978911
NSFPHY-0542066
NSFPHY-0503729
NSFPHY-0503629
NSFPHY-0503641
NSFPHY-0504224
NSFPHY-0705052
NSFPHY-0801708
NSFPHY-0801712
NSFPHY-0802575
NSFPHY-0855525
Department of Energy (DOE)DE-AC03-76SF00098
Department of Energy (DOE)DE-FG02-91ER40688
Department of Energy (DOE)DE-FG02-92ER40701
Department of Energy (DOE)DE-FG03-90ER40569
Department of Energy (DOE)DE-FG03-91ER40618
Swiss National Foundation (SNF)20-118119
Natural Sciences and Engineering Research Council of Canada (NSERC)SAPIN 341314-07
Issue or Number:5973
Record Number:CaltechAUTHORS:20100412-103141639
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20100412-103141639
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17935
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:28 Apr 2010 18:41
Last Modified:03 Oct 2019 01:35

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