The Diffuse Emission of Neutrinos from Young Pulsars in the Galaxy

Details The Diffuse Emission of Neutrinos from Young Pulsars in the Galaxy The Diffuse Emission of Neutrinos from Young Pulsars in the Galaxy

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apj...667.1059j&link_type=abstract

The Astrophysical Journal, Volume 667, Issue 2, pp. 1059-1062.

Astronomy and Astrophysics

Astronomy

Elementary Particles, Neutrinos, Stars: Pulsars: General, Stars: Neutron

Scientific paper

Young pulsars with ages less than 106 yr are powerful particle accelerators, which can accelerate protons to relativistic energies above the polar cap region if the magnetic moment is antiparallel to the spin axis. The interaction of those protons with the soft X-ray photons coming from the neutron star surface can produce high-energy muon neutrinos through photomeson production. Therefore, those pulsars are promising candidates as high-energy neutrino sources. We produce a sample of young pulsars in our Galaxy using a Monte Carlo method, determine whether they are potential neutrino pulsars, and calculate the total neutrino fluxes from those young pulsars using the Link & Burgio (LB) model. We obtain the upper limit of the diffuse neutrino flux from the young pulsars in the Galaxy, and compare it with predicted results from active galactic nuclei (AGNs) and gamma-ray bursts (GRBs).

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