Flavor evolution of the neutronization neutrino burst from an O-Ne-Mg core-collapse supernova

被引：89

作者：

Duan, Huaiyu ^{[1
]}

Fuller, George M. ^{[1
,2
]}

Carlson, J. ^{[3
]}

Qian, Yong-Zhong ^{[4
]}

机构：

[1] Univ Washington, Inst Nucl, Seattle, WA 98195 USA

[2] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[3] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[4] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.100.021101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present results of 3-neutrino flavor evolution simulations for the neutronization burst from an O-Ne-Mg core-collapse supernova. We find that nonlinear neutrino self-coupling engineers a single spectral feature of stepwise conversion in the inverted neutrino mass hierarchy case and in the normal mass hierarchy case, a superposition of two such features corresponding to the vacuum neutrino mass-squared differences associated with solar and atmospheric neutrino oscillations. These neutrino spectral features offer a unique potential probe of the conditions in the supernova environment and may allow us to distinguish between O-Ne-Mg and Fe core-collapse supernovae.

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页数：4

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