Abstract
Rates for electron capture on nuclei with mass number A=65-112 for the temperatures and densities appropriate for core collapse were calculated. It was found that these rates are large enough so that contrary to previous assumptions, electron capture on nuclei dominates over capture on free protons.
| Original language | English |
|---|---|
| Article number | 241102 |
| Pages (from-to) | 241102/1-241102/4 |
| Journal | Physical Review Letters |
| Volume | 90 |
| Issue number | 24 |
| State | Published - Jun 20 2003 |
Funding
The work has been partly supported by the Danish Research Council, by the Spanish MCYT under Con?>tract No. AYA2002-04094-C03-02, by NASA under Con?>tract No. NAG5-8405, by the National Science Foundation under Contract No. AST-9877130, by the Department of Energy, through the PECASE and Scientic Discovery through Advanced Computing Programs, and by funds from the Joint Institute for Heavy Ion Research. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725. J. M. S. acknowledges the financial support of the “Fundação para a Ciência e Tecnologia.” H. T. J. and M. R. acknowledge support by the Sonderforschungsbereich 375 “Astro-Teilchenphysik” of the Deutsche Forschungsgemeinschaft. K. L. and H. T. J. thank the ECT* in Trento, where part of this collaboration has been initiated, for its hospitality.