Supernova neutrino nucleosynthesis of light elements with neutrino oscillations

被引：68

作者：

Yoshida, T ^{[1
]}

Kajino, T

Yokomakura, H

Kimura, K

Takamura, A

Hartmann, DH

机构：

[1] Tohoku Univ, Grad Sch Sci, Astron Inst, Sendai, Miyagi 9808578, Japan

[2] Grad Univ Adv Studies, Natl Astron Observ, Tokyo 1818588, Japan

[3] Univ Tokyo, Grad Sch Sci, Dept Astron, Tokyo 1130033, Japan

[4] Nagoya Univ, Grad Sch Sci, Dept Phys, Aichi 4648602, Japan

[5] Toyota Natl Coll Technol, Dept Math, Aichi 4718525, Japan

[6] Clemson Univ, Dept Phys & Astron, Clemson, SC 29634 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.96.091101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Light element synthesis in supernovae through neutrino-nucleus interactions, i.e., the nu process, is affected by neutrino oscillations in the supernova environment. There is a resonance of 13-mixing in the O/C layer, which increases the rates of charged-current nu-process reactions in the outer He-rich layer. The yields of Li-7 and B-11 increase by about a factor of 1.9 and 1.3, respectively, for a normal mass hierarchy and an adiabatic 13-mixing resonance, compared to those without neutrino oscillations. In the case of an inverted mass hierarchy and a nonadiabatic 13-mixing resonance, the increase in the Li-7 and B-11 yields is much smaller. Observations of the Li-7/B-11 ratio in stars showing signs of supernova enrichment could thus provide a unique test of neutrino oscillations and constrain their parameters and the mass hierarchy.

引用

页数：4

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