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. TongS. C. Wang, B. Xin, T. R. Yeh, Q. Yue, Z. Y. Zhou, B. A. Zhuang

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Abstract

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 [Formula presented] 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 [Formula presented] at [Formula presented] confidence level was derived. An indirect bound of the [Formula presented] radiative lifetime of [Formula presented] can be inferred.

Original languageEnglish
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Volume90
Issue number13
DOIs
StatePublished - 2003

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