Production of 92Nb, 92Mo, and 146Sm in the gamma-process in SNIa

2; (2) U Basel; 3); (3) UK Network for Bridging Disciplines of Galactic Chemical Evolution (BRIDGCE); (4) INAF-Astrophysical Observatory Turin; (5) U Turin; 6; 6); (6) Keele University; 7) ((1) U Hertfordshire

arxiv: 1412.6982 · v1 · pith:7SMR5LQMnew · submitted 2014-12-22 · 🌌 astro-ph.HE · astro-ph.SR· nucl-th

Production of 92Nb, 92Mo, and 146Sm in the gamma-process in SNIa

T. Rauscher (1 , 2 , 3) , C. Travaglio (4) , R. Gallino (5) , N. Nishimura (3 , 6) , R. Hirschi (3

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6 7) ((1) U Hertfordshire UK (2) U Basel Switzerland (3) UK Network for Bridging Disciplines of Galactic Chemical Evolution (BRIDGCE) (4) INAF-Astrophysical Observatory Turin Italy (5) U Turin (6) Keele University (7) U Tokyo Japan)

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classification 🌌 astro-ph.HE astro-ph.SRnucl-th

keywords productionsniaabundancesccsnchemicalconstraintsemphasisessential

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The knowledge of the production of extinct radioactivities like 92Nb and 146Sm by photodisintegration processes in ccSN and SNIa models is essential for interpreting abundances in meteoritic material and for Galactic Chemical Evolution (GCE). The 92Mo/92Nb and 146Sm/144Sm ratios provide constraints for GCE and production sites. We present results for SNIa with emphasis on nuclear uncertainties.

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Production of 92Nb, 92Mo, and 146Sm in the gamma-process in SNIa

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