Testing the Origins of Neutrino Mass with Supernova-Neutrino Time Delay

被引：0

作者：

Ge, Shao-Feng ^{[1
,2
,3
,4
]}

Kong, Chui-Fan ^{[1
,2
,3
,4
]}

Smirnov, Alexei Y. ^{[5
]}

机构：

[1] Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai 200240, Peoples R China

[3] Shanghai Jiao Tong Univ, MOE, Key Lab Particle Astrophys & Cosmol, Shanghai 200240, Peoples R China

[4] Shanghai Jiao Tong Univ, Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China

[5] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2024年 / 133卷 / 12期

基金：

中国国家自然科学基金;

关键词：

DARK-MATTER; OSCILLATIONS; CONSTRAINTS; MODELS; GALAXY; BURST;

D O I：

10.1103/PhysRevLett.133.121802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The origin of neutrino masses remains unknown. Both the vacuum mass and the dark mass generated by the neutrino interaction with dark matter (DM) particles or fields can fit the current oscillation data. The dark mass squared is proportional to the DM number density and, therefore, varies on the galactic scale with much larger values around the Galactic Center. This affects the group velocity and the arrival time delay of core-collapse supernovae (SN) neutrinos. This time delay, especially for the nu e neutronization peak with a sharp time structure, can be used to distinguish the vacuum and dark neutrino masses. For illustration, we explore the potential of the Deep Underground Neutrino Experiment (DUNE), which is sensitive to nu(e). Our simulations show that DUNE can distinguish the two neutrino mass origins at more than 5 sigma C.L., depending on the observed local value of neutrino mass, the neutrino mass ordering, the DM density profile, and the SN location.

引用

页数：7

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