Nuclear processes in the jets of SS433

Details Nuclear processes in the jets of SS433 Nuclear processes in the jets of SS433

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984stin...8426560r&link_type=abstract

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Astronomy and Astrophysics

Astrophysics

Gamma Ray Astronomy, Gamma Ray Bursts, Jets, Nuclear Astrophysics, Plasma Jets, Astronomical Models, Atomic Excitations, Energy Spectra, Particle Interactions

Scientific paper

The very narrow gamma-ray lines observed at 1.495 and 6.695 MeV from SS433 which are blueshifted 1.369 and 6.129 emissions from deexcitations of (24)Mg* and (16)O* in grains moving with the jets and inelastically excited by interactions with the ambient medium are discussed. Energetic particle interactions in grains produce very narrow gamma ray lines from deexcitation of nuclear levels whose lifetimes are long enough that the excited nuclei stop before deexcitation. The presence of grains in the jets resolves hitherto discussed difficulties of inelastic excitation models for gamma ray production in SS433, the very narrow widths of the observed lines and the absence of other strong lines, expected from abundant elements. A model is proposed which could be distinguished from a previously proposed fusion model by gamma ray line observations.

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