English

Relevant energy ranges for astrophysical reaction rates

Solar and Stellar Astrophysics 2015-03-13 v2 High Energy Astrophysical Phenomena Nuclear Experiment Nuclear Theory

Abstract

Effective energy windows (Gamow windows) of astrophysical reaction rates for (p,gamma), (p,n), (p,alpha), (alpha,gamma), (alpha,n), (alpha,p), (n,gamma), (n,p), and (n,alpha) on targets with 10<=Z<=83 from proton- to neutron-dripline are calculated using theoretical cross sections. It is shown that widely used approximation formulas for the relevant energy ranges are not valid for a large number of reactions relevant to hydrostatic and explosive nucleosynthesis. The influence of the energy dependence of the averaged widths on the location of the Gamow windows is discussed and the results presented in tabular form (also at http://download.nucastro.org/astro/gamow/).

Keywords

Cite

@article{arxiv.1003.2802,
  title  = {Relevant energy ranges for astrophysical reaction rates},
  author = {T. Rauscher},
  journal= {arXiv preprint arXiv:1003.2802},
  year   = {2015}
}

Comments

8 pages, 12 figures; ASCII table of results at http://download.nucastro.org/astro/gamow/ ; slightly revised text, to appear in Phys. Rev. C