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First results from KamLAND: Evidence for reactor antineutrino disappearance
KamLAND Collaboration
2003
发表期刊PHYSICAL REVIEW LETTERS
卷号90期号:2
通讯作者Eguchi, K (reprint author), Tohoku Univ, Res Ctr Neutrino Sci, Sendai, Miyagi 9808578, Japan.
摘要KamLAND has measured the flux of (nu) over bar (e)'s from distant nuclear reactors. We find fewer (nu) over bar (e) events than expected from standard assumptions about (nu) over bar (e) propagation at the 99.95% C.L. In a 162 ton.yr exposure the ratio of the observed inverse beta-decay events to the expected number without (nu) over bar (e) disappearance is 0.611+/-0.085(stat)+/-0.041(syst) for (nu) over bar (e) energies >3.4 MeV. In the context of two-flavor neutrino oscillations with CPT invariance, all solutions to the solar neutrino problem except for the "large mixing angle" region are excluded.
关键词NEUTRON FISSION-PRODUCTS SPECTRUM
学科领域Physics
DOI10.1103/PhysRevLett.90.021802
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000180444200007
引用统计
被引频次:1752[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/311005/212262
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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KamLAND Collaboration. First results from KamLAND: Evidence for reactor antineutrino disappearance[J]. PHYSICAL REVIEW LETTERS,2003,90(2).
APA KamLAND Collaboration.(2003).First results from KamLAND: Evidence for reactor antineutrino disappearance.PHYSICAL REVIEW LETTERS,90(2).
MLA KamLAND Collaboration."First results from KamLAND: Evidence for reactor antineutrino disappearance".PHYSICAL REVIEW LETTERS 90.2(2003).
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