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

被引：53

作者：

Agnese, R. ^{[19
]}

Ahmed, Z. ^{[1
]}

Anderson, A. J. ^{[4
]}

Arrenberg, S. ^{[21
]}

Balakishiyeva, D. ^{[19
]}

Thakur, R. Basu ^{[2
]}

Bauer, D. A. ^{[2
]}

Borgland, A. ^{[8
]}

Brandt, D. ^{[8
]}

Brink, P. L. ^{[8
]}

Bruch, T. ^{[21
]}

Bunker, R. ^{[11
]}

Cabrera, B. ^{[10
]}

Caldwell, D. O. ^{[16
]}

Cerdeno, D. G. ^{[14
]}

Chagani, H. ^{[20
]}

Cooley, J. ^{[9
]}

Cornell, B. ^{[1
]}

Crewdson, C. H. ^{[6
]}

Cushman, P. ^{[20
]}

Daal, M. ^{[15
]}

Dejongh, F. ^{[2
]}

Di Tefano, P. C. F. ^{[6
]}

do Couto e Silva, E. ^{[8
]}

Doughty, T. ^{[15
]}

Esteban, L. ^{[13
,14
]}

Fallows, S. ^{[20
]}

Figueroa-Feliciano, E. ^{[4
]}

Filippini, J. ^{[1
]}

Fox, J. ^{[6
]}

Fritts, M. ^{[20
]}

Godfrey, G. L. ^{[8
]}

Golwala, S. R. ^{[1
]}

Hall, J. ^{[5
]}

Harris, R. H. ^{[12
]}

Hertel, S. A. ^{[4
]}

Hofer, T. ^{[20
]}

Holmgren, D. ^{[2
]}

Hsu, L. ^{[2
]}

Huber, M. E. ^{[17
]}

Jastram, A. ^{[12
]}

Kamaev, O. ^{[6
]}

Kara, B.

Kelsey, M. H. ^{[8
]}

Kennedy, A. ^{[20
]}

Kim, P. ^{[8
]}

Kiveni, M. ^{[11
]}

Koch, K. ^{[20
]}

Kos, M. ^{[11
]}

Leman, S. W. ^{[4
]}

机构：

[1] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA

[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[4] MIT, Dept Phys, Cambridge, MA 02139 USA

[5] Pacific NW Natl Lab, Richland, WA 99352 USA

[6] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada

[7] Santa Clara Univ, Dept Phys, Santa Clara, CA 95053 USA

[8] Kavli Inst Particle Astrophys & Cosmol, SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[9] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA

[10] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[11] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA

[12] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

[13] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain

[14] Univ Autonoma Madrid, Inst Fis Teor, UAM, CSIC, E-28049 Madrid, Spain

[15] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[16] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[17] Univ Colorado Denver, Dept Phys, Denver, CO 80217 USA

[18] Univ Evansville, Dept Phys, Evansville, IN 47722 USA

[19] Univ Florida, Dept Phys, Gainesville, FL 32611 USA

[20] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[21] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland

来源：

PHYSICAL REVIEW D | 2013年 / 88卷 / 03期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

DARK-MATTER;

D O I：

10.1103/PhysRevD.88.031104

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 similar to 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/c(2). These data set an upper limit of 1.7 x 10(-41) cm(2) on the WIMP-nucleon spin-independent cross section of a 10 GeV/c(2) WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs.

引用

页数：5

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