Searching for cold dark matter in the Southern Hemisphere. The experiment at Sierra Grande

被引:12
作者
Abriola, D
Avignone, FT
Brodzinski, RL
Collar, JI
DiGregorio, DE
Farach, HA
Garcia, E
Gattone, AO
Hasenbalg, F
Huck, H
Miley, HS
Morales, A
Morales, J
deSolorzano, AO
Puimedon, J
Reeves, JH
Saenz, C
Salinas, A
Sarsa, ML
Tomasi, D
Urteaga, I
Villar, JA
机构
[1] UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA
[2] PACIFIC NW LAB, RICHLAND, WA 99352 USA
[3] UNIV ZARAGOZA, LAB FIS NUCL & ATLAS ENERGIAS, ZARAGOZA, SPAIN
关键词
D O I
10.1016/S0927-6505(96)00044-8
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
An experimental search of distinctive signals of WIMPs is underway at the Sierra Grande mine (similar to 1000 m.w.e.) in Argentina with a natural germanium detector, The site and the experimental set-up are described, The results corresponding to an exposure of 302.4 kg day are presented in the customary form of sigma(m) exclusion plots, The region in the WIMP-Ge cross-section versus WIMP mass plane ruled out by this experiment for heavy, non-relativistic neutrino-like Dirac particles scattering coherently off Ge nuclei through vector weak interactions corresponds to masses from 12 GeV up to about 1.7 TeV. The data taking is in progress with the purpose of looking for possible daily modulation effects in the Southern Hemisphere.
引用
收藏
页码:63 / 69
页数:7
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