Physics – Nuclear Physics
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aps..haw.kg001c&link_type=abstract
American Physical Society, 3rd Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan, October 1
Physics
Nuclear Physics
Scientific paper
Modeling the evolution of pre-supernova stars and their collapse requires determining the electron capture rates for pf-shell nuclei. We intend to systematically calculate Gamow-Teller strength B(GT) distributions for all pf-shell nuclei and present preliminary result for the initial calculations. Calculations will be performed with a shell-model code using at least two different interaction Hamiltonians to describe the interaction between the nucleons in the nuclei undergoing electron capture. The resulting B(GT) distributions were used to calculate the corresponding electron capture rates at stellar temperatures and densities relevant to pre-supernova core collapse stars. Calculated B(GT) distributions are compared to experimental measurements if they exist.
Brown Alex B.
Cole Arthur Lindsey
Hitt George Wesley
Uher Leshawna
Zegers Remco G. T.
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