Monte-Carlo Reaction Rate Evaluation for Astrophysics

Details Monte-Carlo Reaction Rate Evaluation for Astrophysics Monte-Carlo Reaction Rate Evaluation for Astrophysics

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1238..193c&link_type=abstract

TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS-VII. AIP Conference Proceedings, Volume 1238, pp. 193-198 (2010).

Physics

Nuclear Physics

Alpha Particle-Nucleus Reactions, Thermonuclear Reactions, Monte Carlo Methods, Resonance Reactions And Scattering, Nuclear, Charge-Exchange Reactions, Components And Instrumentation, Monte Carlo Simulations, Resonance Reactions

Scientific paper

We present a new evaluation of thermonuclear reaction rates for astrophysics involving proton and α-particle induced reactions, in the target mass range between A = 14 and 40, including many radioactive targets. A method based on Monte Carlo techniques is used to evaluate thermonuclear reaction rates and their uncertainties. At variance with previous evaluations, the low, median and high rates are statistically defined and a lognormal approximation to the rate distribution is given. This provides improved input for astrophysical model calculations using also the Monte Carlo method to estimate uncertainties on isotopic abundances.

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