Direct search for Dark Matter particles deep underground
作者:
P. Belli,
R. Bernabei,
C. J. Dai,
W. Di Nicolantonio,
L. K. Ding,
G. Ignesti,
A. Incicchitti,
H. H. Kuang,
J. M. Ma,
F. Montecchia,
D. Prosperi,
期刊:
AIP Conference Proceedings
(AIP Available online 1999)
卷期:
Volume 476,
issue 1
页码: 65-73
ISSN:0094-243X
年代: 1999
DOI:10.1063/1.59342
出版商: AIP
数据来源: AIP
摘要:
DAMA is searching for Dark Matter particles deep underground in the Gran Sasso National Laboratory by using several kinds of scintillators, acting as target-detectors; recent results are here summarized. In particular, the new DAMA/NaI-2 result (14962 kg⋅day) on the WIMP annual modulation signature achieved by the ≃100 kg highly radiopure NaI(Tl) set-up is summarized. It turns out to be consistent with the DAMA/NaI-1 result (4549 kg⋅day) and a combined maximum likelihood analysis of the two data sets (19511 kg⋅day) favours at 99.6&percent; C.L. the hypothesis of presence of an annual modulation of the rate in the energy region of interest for Dark Matter direct detection. ©1999 American Institute of Physics.
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