Speaker
Iris Dillmann
(Physik Department E12 and Excellence Cluster Universe, Technische Universitaet Muenchen, D-85748 Garching)
Description
We have performed p-process simulations with an updated version of the Basel reaction library [1,2] including all (n,gamma) cross sections from the Karlsruhe Astrophysical Database in Stars project (v0.2) [3]. The simulations were carried out with a parametrized supernova type II shock front model (‘gamma -process’) of a 25 solar mass star and compared to recently published results of Rapp et al. [4].
A decrease in the normalized overproduction factor could be attributed to lower cross sections of a significant fraction of seed nuclei located in Bi and Pb regions around the N = 126 shell closure.
The next step is the use of the JINA Reaclib [5] with inclusion of the most recent KADoNiS update (v0.3) and p-process reactions [3].
[1] I. Dillmann, T. Rauscher, M. Heil, F. Kaeppeler, W. Rapp, and F.-K. Thielemann, J. Phys. G: Nucl. Part. Phys. 34 (2007); I. Dillmann et al., in preparation for Phys. Rev. C
[2] Basel reaction library, online at http://download.nucastro.org/astro/reaclib/
[3] The Karlsruhe Astrophysical Database of Nucleosynthesis in Stars, online at www.kadonis.org
[4] W. Rapp, J. Goerres, M. Wiescher, H. Schatz, and F. Kaeppeler, Astrophys. J. 653 (2006) 474
[5] JINA Reaclib database, online at http://www.nscl.msu.edu/~nero/db/
Author
Iris Dillmann
(Physik Department E12 and Excellence Cluster Universe, Technische Universitaet Muenchen, D-85748 Garching)
Co-authors
F. Kaeppeler
(Institut fuer Kernphysik, Forschungszentrum Karlsruhe, Postfach 3640, D-76021 Karlsruhe, Germany)
F.-K. Thielemann
(Departement Physik, Universitaet Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland)
T. Rauscher
(Departement Physik, Universitaet Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland)