TeV γ-rays and neutrinos from nuclei photodissociation

Details TeV γ-rays and neutrinos from nuclei photodissociation TeV γ-rays and neutrinos from nuclei photodissociation

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphcs..60..195p&link_type=abstract

Journal of Physics: Conference Series, Volume 60, Issue 1, pp. 195-198 (2007).

Physics

2

Scientific paper

In astrophysical sources, TeV gamma-rays may originate by means of two wellknow mechanisms: via electromagnetic or hadronic processes. In this talk we discuss a third mechanism: the photodisintegration of nuclei at the source, followed by de-excitation of the daughter nuclei. We examine the conditions that need to be satisfied in the source so that a relevant contribution to the TeV gamma-ray flux may come from this mechanism and we also present the distinctive features of this dynamical framework, as is the absence of low energy counterparts. We also comment on the concomitant associated flux of antineutrinos coming from the β-decay of stripped neutrons, which turns out to be smaller than that of gamma-rays.

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