期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷 33, 期 9, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X1843011X
关键词
Stellar nucleosynthesis; isomeric states; thermal excitation
资金
- European Research Council under the European Unions's Seventh Framework Programme (FP)/ERC [615126]
- European Research Council (ERC) [615126] Funding Source: European Research Council (ERC)
The decay properties of long-lived excited states (isomers) can have a significant impact on the destruction channels of isotopes under stellar conditions. In sufficiently hot environments, the population of isomers can be altered via thermal excitation or de excitation. If the corresponding lifetimes are of the same order of magnitude as the typical time scales of the environment, the isomers have to be treated explicitly. We present a general approach to the treatment of isomers in stellar nucleosynthesis codes and discuss a few illustrative examples. The corresponding code is available online at http://exp-astro.de/isomers/.
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