First results from the cryogenic dark matter search in the Soudan Underground Laboratory

被引：185

作者：

Akerib, DS ^{[1
]}

Alvaro-Dean, J

Armel-Funkhouser, MS

Attisha, MJ

Baudis, L

Bauer, DA

Beaty, J

Brink, PL

Bunker, R

Burke, SP

Cabrera, B

Caldwell, DO

Callahan, D

Castle, JP

Chang, CL

Choate, R

Crisler, MB

Cushman, P

Dixon, R

Dragowsky, MR

Driscoll, DD

Duong, L

Emes, J

Ferril, R

Filippini, J

Gaitskell, RJ

Haldeman, M

Hale, D

Holmgren, D

Huber, ME

Johnson, B

Johnson, W

Kamat, S

Kozlovsky, M

Kula, L

Kyre, S

Lambin, B

Lu, A

Mahapatra, R

Manalaysay, AG

Mandic, V

May, J

McDonald, R

Merkel, B

Meunier, P

Mirabolfathi, N

Morrison, S

Nelson, H

Nelson, R

Novak, L

机构：

[1] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA

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

[3] Brown Univ, Dept Phys, Providence, RI 02912 USA

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

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

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

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

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

[9] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

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

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

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 21期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.93.211301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first results from a search for weakly interacting massive particles (WIMPs) in the Cryogenic Dark Matter Search experiment at the Soudan Underground Laboratory. Four Ge and two Si detectors were operated for 52.6 live days, providing 19.4 kg d of Ge net exposure after cuts for recoil energies between 10 and 100 keV. A blind analysis was performed using only calibration data to define the energy threshold and selection criteria for nuclear-recoil candidates. Using the standard dark-matter halo and nuclear-physics WIMP model, these data set the world's lowest exclusion limits on the coherent WIMP-nucleon scalar cross section for all WIMP masses above 15 GeV/c(2), ruling out a significant range of neutralino supersymmetric models. The minimum of this limit curve at the 90% C.L. is 4x10(-43) cm(2) at a WIMP mass of 60 GeV/c(2).

引用

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