Limit on the electron neutrino magnetic moment from the Kuo-Sheng reactor neutrino experiment

被引：128
|
作者：
Li, HB
Li, J
Wong, HT [1 ]
Chang, CY
Chen, CP
Fang, JM
Hu, CH
Kuo, WS
Lai, WP
Lee, FS
Lee, SC
Lin, ST
Luo, CS
Liu, Y
Qiu, JF
Sheng, HY
Singh, V
Su, RF
Teng, PK
Tong, WS
Wang, SC
Xin, B
Yeh, TR
Yue, Q
Zhou, ZY
Zhuang, BA
机构：
[1] Acad Sinica, Inst Phys, Taipei 115, Taiwan
[2] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
[3] Inst High Energy Phys, Beijing 100039, Peoples R China
[4] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[5] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[6] Taiwan Power Co, Kuo Sheng Nucl Power Stn, Kuo Sheng 207, Taiwan
[7] Inst Nucl Energy Res, Lung Tan 325, Taiwan
[8] Chung Kuo Inst Technol, Dept Management Informat Syst, Hsinchu 303, Taiwan
[9] Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.90.131802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A search of neutrino magnetic moment 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) at 12-60 keV were achieved. Based on 4712 and 1250 h of reactor ON and OFF data, respectively, the limit on the neutrino magnetic moment of mu((nu) over bare)<1.3x10(-10)mu(B) at 90% confidence level was derived. An indirect bound of the <(nu)over bar>(e) radiative lifetime of m(nu)(3)tau(nu)>2.8x10(18) eV(3) s can be inferred.
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页数：4
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