Neutrinos from compact massive binaries containing a young energetic pulsar

Details Neutrinos from compact massive binaries containing a young energetic pulsar Neutrinos from compact massive binaries containing a young energetic pulsar

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..801..206b&link_type=abstract

ASTROPHYSICAL SOURCES OF HIGH ENERGY PARTICLES AND RADIATION. AIP Conference Proceedings, Volume 801, pp. 206-207 (2005).

Astronomy and Astrophysics

Astrophysics

Binary Stars, Neutron Stars, Neutrinos, Pulsars, Spectroscopic Binaries, Close Binaries, Neutron Stars, Pulsars

Scientific paper

We consider propagation of relativistic heavy nuclei injected by a young pulsar into the radiation field of a massive companion. If the binary system is compact enough, the nuclei suffer multiple photodisintegrations in collisions with thermal photons coming from the massive star. Some neutrons and protons, dissolved from the nuclei, can collide with the massive star producing neutrinos. Due to the propagation effects of charged particles (protons from nuclei and their surviving remnants) in the magnetic field of the massive star, some hadrons can impinge onto the massive star surface at the angles larger than the obscuring angle of the massive star. We calculate the fluxes of neutrinos, produced by these hadrons, as a function of the viewing angle measured from the plane of the binary system. It is found that significant fluxes of neutrinos should be also expected in the case of non-eclipsing binary systems, i.e. at angles larger than corresponding to the obscuring angle of the massive star.

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