Matter Effects on Neutrino Oscillations in Different Supernova Models

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	Matter Effects on Neutrino Oscillations in Different Supernova Models
	Xu, J ; Hu, LJ ; Li, RC ; Guo, XH ; Young, BL
刊名	COMMUNICATIONS IN THEORETICAL PHYSICS
	2016
卷号	65 期号:4 页码:506-516
关键词	neutrino oscillations CORE-COLLAPSE SUPERNOVAE matter effects LARGE-MAGELLANIC-CLOUD shock wave effects MECHANISMS supernova models 1987A BURST
英文摘要	In recent years, with the development of simulations about supernova explosion, we have a better understanding about the density profiles and the shock waves in supernovae than before. There might be a reverse shock wave, another sudden change of density except the forward shock wave, or even no shock wave, emerging in the supernova. Instead of using the expression of the crossing probability at the high resonance, P-H, we have studied the matter effects on neutrino oscillations in different supernova models. In detail, we have calculated the survival probability of v(e) (P-s) and the conversion probability of v(x) (P-c) in the Schrodinger equation within a simplified two-flavor framework for a certain case, in which the neutrino transfers through the supernova matter from an initial flavor eigenstate located at the core of the supernova. Our calculations was based on the data of density in three different supernova models obtained from simulations. In our work, we do not steepen the density gradient around the border of the shock wave, which differs to what was done in most of the other simulations. It is found that the mass and the density distribution of the supernova do make a difference on the behavior of P-s and P-c. With the results of P-s and P-c, we can estimate the number of v(e) (and v(x)) remained in the beam after they go through the matter in the supernova.
学科主题	Physics
语种	英语
资助机构	National Science Foundation of China [11175020, 11275025]
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/23214]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China 2.Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China 3.Iowa State Univ, Dept Phys & Astron, Ames, IA USA 4.Cangzhou Normal Univ, Coll Mech & Elect Engn, Cangzhou 061000, Peoples R China 5.Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
推荐引用方式 GB/T 7714	Xu, J,Hu, LJ,Li, RC,et al. Matter Effects on Neutrino Oscillations in Different Supernova Models[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2016,65(4):506-516.
APA	Xu, J,Hu, LJ,Li, RC,Guo, XH,&Young, BL.(2016).Matter Effects on Neutrino Oscillations in Different Supernova Models.COMMUNICATIONS IN THEORETICAL PHYSICS,65(4),506-516.
MLA	Xu, J,et al."Matter Effects on Neutrino Oscillations in Different Supernova Models".COMMUNICATIONS IN THEORETICAL PHYSICS 65.4(2016):506-516.