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Weak decay rates for neutron-deficient Kr isotopes relevant for the rp process.
|Publisher:||American Institute of Physics|
|Citation:||AIP Conference Proceedings 1377: 23-27 (2011)|
|Abstract:||Weak interaction rates under stellar density and temperature conditions relevant for the rp process are studied in neutron‐deficient Kr isotopes. The nuclear structure part of the problem is described within the deformed Skyrme Hartree‐Fock+BCS+QRPA, which reproduces not only the beta‐decay half‐lives but also the available Gamow‐Teller strength distributions, measured under terrestrial conditions. The various sensitivities of the decay rates to both density and temperature are discussed. In particular, we study the contributions coming from excited states in the parent nucleus, which are thermally populated, and the competition between beta‐decays and continuum electron captures.|
|Appears in Collections:||(CFMAC-IEM) Artículos|