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Temperature dependent nuclear mass and its application to astrophysical problems

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Temperature dependent nuclear binding energies are proposed. The binding energies for some 170 nuclides in 40≦A≦66 are computed at several temperatures according to this model. The abundances of the nuclides in the above atomic mass region are then calculated for example by using these temperature dependent binding energies. It becomes clear that this type of binding energies makes the abundances of near closed-shell nuclides increased and/or the abundances of off-shell nuclides decreased. These binding energies can lead the more consistent theoretical abundances at least of the silicon-burning products than any ones calculated up to the present.

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Ohnishi, T. Temperature dependent nuclear mass and its application to astrophysical problems. Astrophys Space Sci 20, 225–239 (1973). https://doi.org/10.1007/BF00645599

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  • Binding Energy
  • Atomic Mass
  • Mass Region
  • Nuclear Mass
  • Nuclear Binding