利用大亚湾中微子实验装置探测超新星中微子

黄明阳; 郭新恒; #; 杨炳麟

doi:10.11804/NuclPhysRev.28.02.179

利用大亚湾中微子实验装置探测超新星中微子

Detecting Supernova Neutrinos in Daya Bay Neutrino Laboratory

摘要

摘要: 在利用大亚湾中微子实验装置研究超新星中微子探测过程中，需要考虑到中微子传播过程中受到各种效应的影响，包括超新星震荡效应、中微子集体效应、 MikheyevSmirnovWolfenstein (MSW)效应和地球物质效应等。由于超新星中微子受到这些效应，
不同味道的中微子之间振荡会发生变化，因而利用探测某些超新星中微子事例数之比，
就有可能确定中微子的质量层次，得到中微子混合角θ13和中微子绝对质量的信息。 While detecting supernova neutrinos in the Daya Bay neutrino laboratory， several supernova neutrino effects need to be considered， including the supernova shock effects， the neutrino collective effects， the MikheyevSmirnovWolfenstein (MSW) effects， and the Earth matter effects. The phenomena of neutrino oscillation is affected by the above effects. Using some ratios of the event numbers of different supernova neutrinos， we propose some possible methods to identify the mass hierarchy and acquire information about the neutrino mixing angle θ13 and neutrino masses.

Abstract: While detecting supernova neutrinos in the Daya Bay neutrino laboratory， several supernova neutrino effects need to be considered， including the supernova shock effects， the neutrino collective effects， the MikheyevSmirnovWolfenstein (MSW) effects， and the Earth matter effects. The phenomena of neutrino oscillation is affected by the above effects. Using some ratios of the event numbers of different supernova neutrinos， we propose some possible methods to identify the mass hierarchy and acquire information about the neutrino mixing angle θ13 and neutrino masses.

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