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题名: Realistic Earth matter effects and a method to acquire information about small theta(13) in the detection of supernova neutrinos
作者: Guo, Xin-Heng ;  Huang, Ming-Yang ;  Young, Bing-Lin
刊名: PHYSICAL REVIEW D
出版日期: 2009
卷号: 79, 期号:11, 页码:-
关键词: CORE-COLLAPSE SUPERNOVAE ;  LARGE MAGELLANIC CLOUD ;  SOLAR NEUTRINOS ;  3-NEUTRINO OSCILLATIONS ;  ANALYTIC DESCRIPTION ;  MINIBOONE EXPERIMENT ;  EXPLOSION MECHANISM ;  SPECTRA FORMATION ;  VARYING DENSITY ;  NEUTRAL-CURRENT
学科分类: Physics
通讯作者: Huang, MY , Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China
部门归属: [Guo, XH; Huang, MY] Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China; [Young, BL] Iowa State Univ, Dept Phys & Astron, Ames, IA USA; [Young, BL] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: In this paper, we first calculate the realistic Earth matter effects in the detection of type II supernova neutrinos at the Daya Bay reactor neutrino experiment which is currently under construction. It is found that the Earth matter effects depend on the neutrino incident angle theta, the neutrino mass hierarchy Delta m(31)(2), the crossing probability at the high resonance region inside the supernova, P(H), the neutrino temperature, T(alpha), and the pinching parameter in the neutrino spectrum, eta(alpha). We also take into account the collective effects due to neutrino-neutrino interactions inside the supernova. With the expression for the dependence of P(H) on the neutrino mixing-angle theta(13), we obtain the relations between theta(13) and the event numbers for various reaction channels of supernova neutrinos. Using these relations, we propose a possible method to acquire information about theta(13) smaller than 1.5 degrees. Such a sensitivity cannot be achieved by the reactor neutrino deta at the Daya Bay experiment which has a sensitivity of the order of theta(13)similar to 3 degrees. Furthermore, we apply this method to other neutrino experiments, i.e. Super-K, SNO, KamLAND, LVD, MinBooNE, Borexino, and Double-Chooz. We also study the energy spectra of the differential event numbers, dN/dE.
资助者: National Natural Science Foundation of China[10535050, 10675022]; Key Project of Chinese Ministry of Education[106024]; Beijing Normal University
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000267701300022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5305
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Guo, Xin-Heng,Huang, Ming-Yang,Young, Bing-Lin. Realistic Earth matter effects and a method to acquire information about small theta(13) in the detection of supernova neutrinos[J]. PHYSICAL REVIEW D,2009,79(11):-.
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