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Guo, Xin-Heng; Huang, Ming-Yang; Young, Bing-Lin; Huang, MY , Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China
Realistic Earth matter effects and a method to acquire information about small theta(13) in the detection of supernova neutrinos
Source PublicationPHYSICAL REVIEW D
KeywordCore-collapse Supernovae Large Magellanic Cloud Solar Neutrinos 3-neutrino Oscillations Analytic Description Miniboone Experiment Explosion Mechanism Spectra Formation Varying Density Neutral-current
AbstractIn 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.
2009
ISSN1550-7998
Volume79Issue:11Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China[10535050, 10675022]; Key Project of Chinese Ministry of Education[106024]; Beijing Normal University ; National Natural Science Foundation of China[10535050, 10675022]; Key Project of Chinese Ministry of Education[106024]; Beijing Normal University ; National Natural Science Foundation of China[10535050, 10675022]; Key Project of Chinese Ministry of Education[106024]; Beijing Normal University ; National Natural Science Foundation of China[10535050, 10675022]; Key Project of Chinese Ministry of Education[106024]; Beijing Normal University
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5305
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, MY , Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Guo, Xin-Heng,Huang, Ming-Yang,Young, Bing-Lin,et al. 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):-.
APA Guo, Xin-Heng,Huang, Ming-Yang,Young, Bing-Lin,&Huang, MY , Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China.(2009).Realistic Earth matter effects and a method to acquire information about small theta(13) in the detection of supernova neutrinos.PHYSICAL REVIEW D,79(11),-.
MLA Guo, Xin-Heng,et al."Realistic Earth matter effects and a method to acquire information about small theta(13) in the detection of supernova neutrinos".PHYSICAL REVIEW D 79.11(2009):-.
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