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The Role of the 96 keV Level in the 19O(β-)19F Process at Stellar Temperatures

Chernykh, M. and Enders, J. and von Neumann-Cosel, P. and Rangacharyulu, C. and Richter, A. (2005):
The Role of the 96 keV Level in the 19O(β-)19F Process at Stellar Temperatures.
In: The Astrophysical Journal, pp. L61, 633, (1), ISSN 0004-637X,
[Online-Edition: http://dx.doi.org/10.1086/498263],
[Article]

Item Type: Article
Erschienen: 2005
Creators: Chernykh, M. and Enders, J. and von Neumann-Cosel, P. and Rangacharyulu, C. and Richter, A.
Title: The Role of the 96 keV Level in the 19O(β-)19F Process at Stellar Temperatures
Language: English
Journal or Publication Title: The Astrophysical Journal
Volume: 633
Number: 1
Divisions: 05 Department of Physics > Institute of Nuclear Physics
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > B: Nukleare Astrophysik > B1: Nukleare Astrophysik mit reellen Photonen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > B: Nukleare Astrophysik
05 Department of Physics
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC)
Zentrale Einrichtungen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio)
Date Deposited: 20 Jun 2011 07:11
Official URL: http://dx.doi.org/10.1086/498263
Identification Number: doi:10.1086/498263
Alternative Abstract:
Alternative abstract Language
From isobaric analog symmetry arguments and nuclear shell model calculations, we evaluate the temperature dependence of the beta-decay rates of the ground state and first excited state at an excitation energy of 96 keV in 19O. It is shown that the decay from the excited level exceeds that of the ground state for T9 $>$ 1. This feature may be of significance in the r-process and explosive nucleosynthesis.English
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