Effects of a reverse shock wave on neutrino oscillations in a new supernova model

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Jing Xu, Ming Lu, Xin-Heng Guo and Li-Jun Hu. Effects of a reverse shock wave on neutrino oscillations in a new supernova model[J]. Chinese Physics C, 2018, 42(11): 113103. doi: 10.1088/1674-1137/42/11/113103
Jing Xu, Ming Lu, Xin-Heng Guo and Li-Jun Hu. Effects of a reverse shock wave on neutrino oscillations in a new supernova model[J]. Chinese Physics C, 2018, 42(11): 113103.  doi: 10.1088/1674-1137/42/11/113103 shu
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Received: 2018-05-14
Revised: 2018-07-31
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    Supported by National Natural Science Foundation of China (11605150) and Natural Science Foundation of Shandong Province (ZR2016AQ02)

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Effects of a reverse shock wave on neutrino oscillations in a new supernova model

    Corresponding author: Jing Xu,
  • 1.  Physics Department, Yantai University, Yantai 264005, China
  • 2.  College of Nuclear Science and Techonology, Beijing Normal University, Beijing 100875, China
  • 3.  College of Mechanical and Electrical Engineering, Cangzhou Normal University, Cangzhou 061000, China
Fund Project:  Supported by National Natural Science Foundation of China (11605150) and Natural Science Foundation of Shandong Province (ZR2016AQ02)

Abstract: It is known that in supernova explosions, there might be a reverse shock wave in addition to the forward shock wave during the explosion phase, when the mass of supernova is in a certain range. In this paper, we propose to add the reverse shock wave to the previous supernova model, in which only the forward shock wave was included, and thus obtain a new model. By analyzing the resonance condition as well as the density jump in the new model and using the Landau-Zener method, an expression for the crossing probability in high density matter (PH) is given. We proceed to study how PH varies with time and with neutrino energy when both the reverse shock wave and the forward shock wave are considered. From comparison with the previous results, where only the effects of the forward shock wave were considered, it is clear that the reverse shock wave brings significant changes to PH.

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