SEARCH FOR EXOTIC NUCLEAR TRANSITION BY USING THE LARGE-VOLUME NAI DETECTOR OF ELEGANTS-V

被引：15

作者：

FUSHIMI, K ^{[1
]}

EJIRI, H ^{[1
]}

HAZAMA, R ^{[1
]}

KUDOMI, N ^{[1
]}

NAGATA, K ^{[1
]}

OHSUMI, H ^{[1
]}

OKADA, K ^{[1
]}

TANAKA, J ^{[1
]}

机构：

[1] OSAKA UNIV, DEPT PHYS, TOYONAKA, OSAKA 560, JAPAN

来源：

NUCLEAR PHYSICS B | 1994年

关键词：

D O I：

10.1016/0920-5632(94)90290-9

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The authors studied elastic and inelastic scattering of dark matter with nuclei in huge NaI(Tl) scintillator. The light output response f was measured by fast neutron scattering. The result was f(I) = 0.05 +/- 0.02 for I recoil and f(Nalpha) = 0.4 +/- 0.2 for Na recoil. The low noise (congruent-to 5keV) and low BG (congruent-to 8counts/day/keV/kg) was achieved by huge (36.5kg/module) NaI(Tl) scintillator. Strong limit for inelastic excitation of I-127 nuclei was studied and strong limit on the local halo density of spin coupled dark matter candidate was derived.

引用

页码：400 / 402

页数：3

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