The role of protons and α particles in rapid nucleosynthesis in the envelope of a collapsing supernova

Details The role of protons and α particles in rapid nucleosynthesis in the envelope of a collapsing supernova The role of protons and α particles in rapid nucleosynthesis in the envelope of a collapsing supernova

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999astl...25..369p&link_type=abstract

Astronomy Letters, Volume 25, Issue 6, June 1999, pp.369-374

Astronomy and Astrophysics

Astronomy

4

Scientific paper

We consider the conditions for the r process to proceed when a shock wave passes through the helium shell of a collapsing Type II supernova of mass 10-15 M_solar. We analyze the effect of reactions with protons and alpha-particles on the r process when the helium shell is irradiated by a neutrino flux and when the parametrically specified post-shock temperature increases. The sources of neutrons and protons are the reactions of inelastic scattering of muon and tau neutrinos and antineutrinos by helium nuclei which have been previously discussed in detail.

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