Plasmon Neutrinos Emission in a Strong Magnetic Field. II: Longitudinal Plasmons

Details Plasmon Neutrinos Emission in a Strong Magnetic Field. II: Longitudinal Plasmons Plasmon Neutrinos Emission in a Strong Magnetic Field. II: Longitudinal Plasmons

Dec 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970ap%26ss...9..453c&link_type=abstract

Astrophysics and Space Science, Volume 9, Issue 3, pp.453-460

Astronomy and Astrophysics

Astrophysics

7

Scientific paper

The decay of a longitudinal plasmon into two neutrinos is studied in the presence of a strong magnetic field. Contrary to the transverse case, for longitudinal plasmons the existence of a new mode, entirely dependent on the magnetic field, greatly enhances the energy loss at high densities. Denoting byQ HandQ 0the neutrino energy losses with and without magnetic field respectively, the situation is as follows: atH≃1011 G andT≥109K,Q 0≫105 Q Hfor ϱ<1011g cm-3, WhileQ H≫1010 Q 0for ϱ>1011g cm-3. A second physically interesting feature is the anisotropic character of the energy loss which is highly peaked along the field lines, giving rise to a shorter cooling time in that direction than in any other.

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