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29 March 2024
 
  » pubmed » pmid12689275

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Limit on the electron neutrino magnetic moment from the kuo-sheng reactor neutrino experiment
H B Li ; J Li ; H T Wong ; C Y Chang ; C P Chen ; J M Fang ; C H Hu ; W S Kuo ; W P Lai ; F S Lee ; S C Lee ; S T Lin ; C S Luo ; Y Liu ; J F Qiu ; H Y Sheng ; V Singh ; R F Su ; P K Teng ; W S Tong ; S C Wang ; B Xin ; T R Yeh ; Q Yue ; Z Y Zhou ; B A Zhuang ;
Date 4 Apr 2003
Journal Phys Rev Lett, 90 (13), 131802
AbstractA 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;(e))<1.3x10(-10)mu(B) at 90% confidence level was derived. An indirect bound of the nu;(e) radiative lifetime of m(3)(nu)tau(nu)>2.8x10(18) eV(3) s can be inferred.
Source PubMed, pmid12689275
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