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Physics of neutrino flavor transformation through matter–neutrino resonances

Wu, Meng-Ru ; Duan, Huaiyu ; Qian, Yong-Zhong (2022):
Physics of neutrino flavor transformation through matter–neutrino resonances. (Publisher's Version)
In: Physics Letters B, 752, pp. 89-94. Elsevier, ISSN 0370-2693, e-ISSN 1873-2445,
DOI: 10.26083/tuprints-00012823,
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Item Type: Article
Origin: Secondary publication
Status: Publisher's Version
Title: Physics of neutrino flavor transformation through matter–neutrino resonances
Language: English
Abstract:

In astrophysical environments such as core-collapse supernovae and neutron star–neutron star or neutron star–black hole mergers where dense neutrino media are present, matter–neutrino resonances (MNRs) can occur when the neutrino propagation potentials due to neutrino–electron and neutrino–neutrino forward scattering nearly cancel each other. We show that neutrino flavor transformation through MNRs can be explained by multiple adiabatic solutions similar to the Mikheyev–Smirnov–Wolfenstein mechanism. We find that for the normal neutrino mass hierarchy, neutrino flavor evolution through MNRs can be sensitive to the shape of neutrino spectra and the adiabaticity of the system, but such sensitivity is absent for the inverted hierarchy.

Journal or Publication Title: Physics Letters B
Journal volume: 752
Publisher: Elsevier
Classification DDC: 500 Naturwissenschaften und Mathematik > 530 Physik
Divisions: 05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 09 Mar 2022 15:27
Last Modified: 10 Mar 2022 09:57
DOI: 10.26083/tuprints-00012823
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-128236
Additional Information:

Keywords: Neutrino oscillations; Dense neutrino medium; Black hole accretion disk; Core-collapse supernova

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/12823
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