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Asymmetric neutrino production in magnetized proto-neutron stars in fully relativistic mean-field approach

  • Tomoyuki Maruyama
  • , Toshitaka Kajino
  • , Nobutoshi Yasutake
  • , Jun Hidaka
  • , Takami Kuroda
  • , Tomoya Takiwaki
  • , Myung Ki Cheoun
  • , Chung Yeol Ryu
  • , Grant J. Mathews
  • Nihon University
  • National Astronomical Observatory of Japan
  • Chiba Institute of Technology
  • University of Basel
  • Soongsil University
  • Hanyang University
  • University of Notre Dame

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We calculate the neutrino production cross-section in the proto-neutron-star matter under a strong magnetic field in the relativistic mean-field approach. We introduce a new parameter-set which can reproduce the 1.96 solar mass neutron star. We find that the production process increases emitted neutrinos along the direction parallel to the magnetic field and decrease those along its opposite direction. It means that resultant asymmetry due to the neutrino absorption and scattering process in the magnetic field becomes larger by the addition of the neutrino production process.

Original languageEnglish
Title of host publicationOrigin of Matter and Evolution of Galaxies 2013 - Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013
PublisherAmerican Institute of Physics Inc.
Pages234-238
Number of pages5
ISBN (Print)9780735412286
DOIs
StatePublished - 2014
Externally publishedYes
Event12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013 - Tsukuba, Japan
Duration: 18 Nov 201321 Nov 2013

Publication series

NameAIP Conference Proceedings
Volume1594
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013
Country/TerritoryJapan
CityTsukuba
Period18/11/1321/11/13

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