Constraining absolute neutrino masses via detection of galactic supernova neutrinos at JUNO
Lu JS(陆嫁书); Cao J(曹俊); Li YF(李玉峰); Zhou S(周顺); Lu, JS; Cao, J; Li, YF; Zhou, S
刊名JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
2015
卷号5页码:44
关键词neutrino properties neutrino detectors supernova neutrinos
学科分类Astronomy & Astrophysics; Physics
DOI10.1088/1475-7516/2015/05/044
通讯作者陆嫁书
文章类型Article
英文摘要A high-statistics measurement of the neutrinos from a galactic core-collapse supernova is extremely important for understanding the explosion mechanism, and studying the intrinsic properties of neutrinos themselves. In this paper, we explore the possibility to constrain the absolute scale of neutrino masses m(v) via the detection of galactic supernova neutrinos at the Jiangmen Underground Neutrino Observatory (JUNO) with a 20 kiloton liquid-scintillator detector. In assumption of a nearly-degenerate neutrino mass spectrum and a normal mass ordering, the upper bound on the absolute neutrino mass is found to be m(v) < (0.83 +/- 0.24) eV at the 95% confidence level for a typical galactic supernova at a distance of 10 kpc, where the mean value and standard deviation are shown to account for statistical fluctuations. For comparison, we find that the bound in the Super-Kamiokande experiment is m(v) < (0.91 +/- 0.28) eV at the same confidence level. However, the upper bound will be relaxed when the model parameters characterizing the time structure of supernova, neutrino fluxes are not exactly known, and when the neutrino mass ordering is inverted.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI ; CA
WOS记录号WOS:000355794800044
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被引频次:2[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/311005/228446
专题中国科学院高能物理研究所_实验物理中心_期刊论文
中国科学院高能物理研究所_实验物理中心
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Lu JS,Cao J,Li YF,et al. Constraining absolute neutrino masses via detection of galactic supernova neutrinos at JUNO[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2015,5:44.
APA 陆嫁书.,曹俊.,李玉峰.,周顺.,Lu, JS.,...&Zhou, S.(2015).Constraining absolute neutrino masses via detection of galactic supernova neutrinos at JUNO.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,5,44.
MLA 陆嫁书,et al."Constraining absolute neutrino masses via detection of galactic supernova neutrinos at JUNO".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 5(2015):44.
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