Exact analytical models of the streaming instability driven by intense neutrino beams

Silva, L.O. and Bingham, R. (2006) Exact analytical models of the streaming instability driven by intense neutrino beams. Journal of Cosmology and Astroparticle Physics, 5 (11). ISSN 1475-7516

Abstract

Detailed properties of the neutrino streaming instability in a plasma are investigated for two particular choices of beamed neutrino distributions that permit exact analytical solutions to the dispersion relation. The dispersion relation is solved analytically, and it is shown that the maximum instability growth rate scales with powers κ of the Fermi constant GF lower than 2 (1 ≤ κ ≤ 4/3). For conditions present in type II supernovae, the neutrinos are sufficiently collimated for the neutrino streaming instability to operate.

ORCID iDs

Bingham, R. ORCID: https://orcid.org/0000-0002-9843-7635

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  Item type:	Article
  ID code:	3013
  Dates:	Date Event May 2006 Published
  Keywords:	supernova dynamics, supernovas, supernova neutrinos, neutrino properties, plasmas, Plasma physics. Ionized gases, Astronomy and Astrophysics
  Subjects:	Science > Physics > Plasma physics. Ionized gases
  Department:	Faculty of Science > Physics
  Depositing user:	Mr Derek Boyle
  Date deposited:	13 Mar 2007
  Last modified:	20 Jan 2021 17:08
  URI:	https://strathprints.strath.ac.uk/id/eprint/3013