Role of dynamical particle-vibration coupling in reconciliation of the d3/2 puzzle for spherical proton emitters

K. Hagino

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


It has been observed that the decay rate for proton emission from d3/2 single particle state is systematically quenched compared with the prediction of a one-dimensional potential model although the same model successfully accounts for measured decay rates from s1/2 and h11/2 states. We reconcile this discrepancy by solving coupled-channels equations, taking into account couplings between the proton motion and vibrational excitations of a daughter nucleus. We apply the formalism to proton emitting nuclei 160,161Re to show that there is a certain range of parameter set of the excitation energy and the dynamical deformation parameter for the quadrupole phonon excitation which reproduces simultaneously the experimental decay rates from the 2d3/2, 3s 1/2, and 1 h 11/2 states in these nuclei.

Original languageEnglish
Article number041304
Pages (from-to)413041-413045
Number of pages5
JournalPhysical Review C - Nuclear Physics
Issue number4
Publication statusPublished - 2001 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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