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β-decay rates of r-process nuclei in the relativistic quasiparticle random phase approximation

Nikšić, T. and Marketin, T. and Vretenar, D. and Ring, P. (2005):
β-decay rates of r-process nuclei in the relativistic quasiparticle random phase approximation.
In: Physical Review C, American Physical Society, pp. 014308, 71, (1), ISSN 0556-2813,
[Online-Edition: http://dx.doi.org/10.1103/PhysRevC.71.014308],
[Article]

Item Type: Article
Erschienen: 2005
Creators: Nikšić, T. and Marketin, T. and Vretenar, D. and Ring, P.
Title: β-decay rates of r-process nuclei in the relativistic quasiparticle random phase approximation
Language: English
Journal or Publication Title: Physical Review C
Volume: 71
Number: 1
Publisher: American Physical Society
Divisions: DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
05 Department of Physics
05 Department of Physics > Institute of Nuclear Physics
Zentrale Einrichtungen
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)
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) > D: Theoretische Kernstrukturphysik
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) > D: Theoretische Kernstrukturphysik > D2: Kernstrukturuntersuchungen mit Relevanz für das experimentelle Programm
Date Deposited: 15 Jun 2011 08:21
Official URL: http://dx.doi.org/10.1103/PhysRevC.71.014308
Identification Number: doi:10.1103/PhysRevC.71.014308
Alternative Abstract:
Alternative abstract Language
The fully consistent relativistic proton-neutron quasiparticle random phase approximation (PN-RQRPA) is employed in the calculation of ?-decay half-lives of neutron-rich nuclei in the N?50 and N?82 regions. A new density-dependent effective interaction, with an enhanced value of the nucleon effective mass, is used in relativistic Hartree-Bogoliubov calculation of nuclear ground states and in the particle-hole channel of the PN-RQRPA. The finite range Gogny D1S interaction is employed in the T=1 pairing channel, and the model also includes a proton-neutron particle-particle interaction. The theoretical half-lives reproduce the experimental data for the Fe, Zn, Cd, and Te isotopic chains but overestimate the lifetimes of Ni isotopes and predict a stable 132Sn.English
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