Search of neutrino magnetic moments with a high-purity germanium detector at the Kuo-Sheng nuclear power station

被引：174

作者：

Wong, H. T. ^{[1
]}

Li, H. B.

Lin, S. T.

Lee, F. S.

Singh, V.

Wu, S. C.

Chang, C. Y.

Chang, H. M.

Chen, C. P.

Chou, M. H.

Deniz, M.

Fang, J. M.

Hu, C. H.

Huang, H. X.

Jon, G. C.

Kuo, W. S.

Lai, W. P.

Lee, S. C.

Li, J.

Liao, H. Y.

Lin, F. K.

Lin, S. K.

Lu, J. Q.

Sheng, H. Y.

Su, R. F.

Tong, W. S.

Xin, B.

Yeh, T. R.

Yue, Q.

Zhou, Z. Y.

Zhuang, B. A.

机构：

[1] Acad Sinica, Inst Phys, Taipei 115, Taiwan

[2] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan

[3] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India

[4] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[5] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey

[6] Taiwan Power Co, Kuo Sheng Nucl Power Stn, Kuo Sheng 207, Taiwan

[7] Inst Nucl Energy Res, Lung Tan 325, Taiwan

[8] Inst Atom Energy, Dept Phys Nucl, Beijing 102413, Peoples R China

[9] Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China

[10] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China

[11] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China

来源：

PHYSICAL REVIEW D | 2007年 / 75卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.75.012001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search of neutrino magnetic moments was carried out at the Kuo-Sheng nuclear power station at a distance of 28 m from the 2.9 GW reactor core. With a high purity germanium detector of mass 1.06 kg surrounded by scintillating NaI(Tl) and CsI(Tl) crystals as anti-Compton detectors, a detection threshold of 5 keV and a background level of 1 kg(-1) keV(-1) day(-1) near threshold were achieved. Details of the reactor neutrino source, experimental hardware, background understanding, and analysis methods are presented. Based on 570.7 and 127.8 days of Reactor ON and OFF data, respectively, at an average Reactor ON electron antineutrino flux of 6.4x10(12) cm(-2) s(-1), the limit on the neutrino magnetic moments of mu(nu e)< 7.4x10(-11)mu(B) at 90% confidence level was derived. Indirect bounds on the nu(e) radiative decay lifetimes were inferred.

引用

页数：16

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