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Measurement of (nu)over-bar(e)-electron scattering cross section with a CsI(Tl) scintillating crystal array at the Kuo-Sheng nuclear power reactor
TEXONO Collaboration
2010
发表期刊PHYSICAL REVIEW D
卷号81期号:7
通讯作者Wong, HT (reprint author), Acad Sinica, Inst Phys, Taipei 11529, Taiwan.
摘要The (nu) over bar - e(-) elastic scattering cross section was measured with a CsI( Tl) scintillating crystal array having a total mass of 187 kg. The detector was exposed to an average reactor (nu) over bar flux of 6.4 x 10(12) cm(-2) s(-1) at the Kuo-Sheng Nuclear Power Station. The experimental design, conceptual merits, detector hardware, data analysis, and background understanding of the experiment are presented. Using 29882/7369 kg-days of Reactor ON/OFF data, the standard model (SM) electroweak interaction was probed at the squared 4-momentum transfer range of Q(2) similar to 3 x 10(-6) GeV2. The ratio of experimental to SM cross sections of xi = [1.08 +/- 0.21(stat) +/- 0.16(sys)] was measured. Constraints on the electroweak parameters (g(V); g(A)) were placed, corresponding to a weak mixing angle measurement of sin(W)(2 theta) = 0.251 +/- 0.031(stat) +/- 0.024(sys). Destructive interference in the SM (nu) over bar (e) - e process was verified. Bounds on anomalous neutrino electromagnetic properties were placed: neutrino magnetic moment at mu((nu) over bare) < 2. 2 +/- 10(-10) mu(B) and the neutrino charge radius at -2.1 X 10(-32) cm(2) < < r(nu e)(2)> < 3.3 X 10(-32) cm(2), both at 90% confidence level.
关键词ACCELERATOR MASS-SPECTROMETRY NEUTRINO-ELECTRON SCATTERING ELECTROMAGNETIC PROPERTIES MAJORANA NEUTRINOS ELASTIC-SCATTERING MAGNETIC-MOMENT MUNU EXPERIMENT GAUGE-THEORIES CHARGE RADIUS DETECTOR
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.81.072001
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000277201900005
引用统计
被引频次:75[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/212942
专题实验物理中心
作者单位中国科学院高能物理研究所
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TEXONO Collaboration. Measurement of (nu)over-bar(e)-electron scattering cross section with a CsI(Tl) scintillating crystal array at the Kuo-Sheng nuclear power reactor[J]. PHYSICAL REVIEW D,2010,81(7).
APA TEXONO Collaboration.(2010).Measurement of (nu)over-bar(e)-electron scattering cross section with a CsI(Tl) scintillating crystal array at the Kuo-Sheng nuclear power reactor.PHYSICAL REVIEW D,81(7).
MLA TEXONO Collaboration."Measurement of (nu)over-bar(e)-electron scattering cross section with a CsI(Tl) scintillating crystal array at the Kuo-Sheng nuclear power reactor".PHYSICAL REVIEW D 81.7(2010).
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