| Issue |
EPJ Web of Conferences
Volume 66, 2014
INPC 2013 – International Nuclear Physics Conference
|
|
|---|---|---|
| Article Number | 07011 | |
| Number of page(s) | 4 | |
| Section | Nuclear Astrophysics | |
| DOI | https://doi.org/10.1051/epjconf/20146607011 | |
| Published online | 20 March 2014 | |
https://doi.org/10.1051/epjconf/20146607011
Electron Capture and Beta-Decay Rates for the Collapse of O+Ne+Mg Cores
1 Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
2 GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany
3 Astrophysics Group, Lennard Jones Building, Keele University ST5 5BG, United Kingdom
4 NSCL, Michigan State University, East Lansing, Michigan 48824-1321, USA
5 Dept. of Phys. and Astro., Michigan State University, East Lansing, Michigan 48824, USA
a e-mail: LamYiHua@gmail.com
Published online: 20 March 2014
We present a new set of electron (e−) capture and β-decay rates that improves previous calculations by Takahara et al. and Oda et al. by: (a) incorporation of recent charge-exchange and β-decay data, (b) contributions of forbidden transitions, and (c) inclusion of e− screening corrections. The experimental nuclear input is supplemented by theoretical data based on large-scale shell model calculations in the full sd-shell space using the USDB interaction. The impact of these new rates on the late-stage stellar evolution of 8.8M⊙ star is demonstrated.
© Owned by the authors, published by EDP Sciences, 2014
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