Collective flavor conversion including the neutrino halo in core-collapse supernovae

被引：1

作者：

Zaizen, Masamichi ^{[1
]}

Cherry, John F. ^{[2
]}

Takiwaki, Tomoya ^{[3
]}

Horiuchi, Shunsaku ^{[4
]}

Kotake, Kei ^{[5
,6
]}

Umeda, Hideyuki ^{[1
]}

Yoshida, Takashi ^{[1
]}

机构：

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

[2] Univ South Dakota, Dept Phys, Vermillion, SD 57069 USA

[3] Natl Astron Observ Japan, Div Sci, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[4] Virginia Tech, Dept Phys, Ctr Neutrino Phys, Blacksburg, VA 24061 USA

[5] Fukuoka Univ, Dept Appl Phys, Nanakuma 8-19-1, Fukuoka 8140180, Japan

[6] Fukuoka Univ, Res Inst Stellar Explos Phenomena, Nanakuma 8-19-1, Fukuoka 8140180, Japan

来源：

16TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2019) | 2020年 / 1468卷

关键词：

D O I：

10.1088/1742-6596/1468/1/012137

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate collective neutrino oscillation (CNO) including neutrino halo effects in an iron core-collapse supernova model. We find that CNO suddenly occurs beyond the propagating shock front evolved from a 9.6M(circle dot) star. Also, we find that neutrinos inwardly scattered by background matter can be ignored outside the shock front where CNO can occur, compared with outward-going neutrinos. Neutrinos get free from matter suppression and scattering with background matter beyond the shock front. Neutrino halo with wider intersection angles produces additional flavor transformation and sharpens the spectral splits.

引用

页数：4

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