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arXiv:astro-ph/0008494 (astro-ph)
[Submitted on 30 Aug 2000]

Title:Neutrinos and the Supernova Origin of the Elements

Authors:Yong-Zhong Qian (UMN)
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Abstract: Intense fluxes of neutrinos are emitted by the hot neutron star produced in a supernova. The electron neutrino and antineutrino capture reactions on neutrons and protons, respectively, provide heating to drive a wind from the hot neutron star. The same reactions also determine the neutron-richness of the wind material. Nucleosynthesis via rapid neutron capture, the r-process, may occur in the wind material as it expands away from the neutron star. The neutron-richness of the wind material, and hence, the r-process nucleosynthesis therein, are sensitive to mixing between the muon (or tauon) neutrino/antineutrino and the electron (or sterile) neutrino/antineutrino. Indirect arguments and direct tests for the supernova origin of the r-process elements are discussed with a goal to establish supernova r-process nucleosynthesis as an important probe for neutrino mixing.
Comments: 6 pages including 2 figures, to appear in the Proceedings of Neutrino 2000
Subjects: Astrophysics (astro-ph); High Energy Physics - Phenomenology (hep-ph); Nuclear Theory (nucl-th)
Cite as: arXiv:astro-ph/0008494
  (or arXiv:astro-ph/0008494v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0008494
Journal reference: Nucl.Phys.Proc.Suppl. 91 (2000) 345-350
Related DOI: https://doi.org/10.1016/S0920-5632%2800%2900961-0

Submission history

From: Yong Zhong Qian [view email]
[v1] Wed, 30 Aug 2000 18:12:11 UTC (22 KB)
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