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Asymmetric neutrino reaction and pulsar kick in magnetized proto-neutron stars in fully relativistic framework

  • Tomoyuki Maruyama*
  • , Toshitaka Kajino
  • , Nobutoshi Yasutake
  • , Myung Ki Cheoun
  • , Chung Yeol Ryu
  • *此作品的通讯作者
  • Nihon University
  • National Astronomical Observatory of Japan
  • The University of Tokyo
  • Soongsil University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

We calculate neutrino scattering and absorption on the hot and dense neutron-star matter with hyperons under the strong magnetic field using a perturbative approach. We find that the absorption cross-sections show a remarkable angular dependence. Its strength is reduced in the direction parallel to the magnetic field and enhanced in the opposite direction. This asymmetric variation becomes maximally 2.2 of entire neutrino momentum when the magnetic field is assumed as about 2 × 10 17G. Since the pulsar kick after the supernova explosion may have relationships to this asymmetry, detailed discussions about the pulsar kick and the asymmetry are presented with the comparison to the observed kick velocities in a fully relativistic approach.

源语言英语
主期刊名19th Particles and Nuclei International Conference, PANIC11
393-395
页数3
DOI
出版状态已出版 - 2012
已对外发布
活动19th Particles and Nuclei International Conference, PANIC11 - Cambridge, MA, 美国
期限: 24 7月 201129 7月 2011

出版系列

姓名AIP Conference Proceedings
1441
ISSN(印刷版)0094-243X
ISSN(电子版)1551-7616

会议

会议19th Particles and Nuclei International Conference, PANIC11
国家/地区美国
Cambridge, MA
时期24/07/1129/07/11

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