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Interplay of direct and spin-flip contributions in Gamow-Teller decay to odd-odd N = Z nuclei

  • A. F. LisetskiyEmail author
  • A. Gelberg
  • P. von Brentano
Original Article

Abstract.

Strengths of Gamow-Teller decays of Tz = ±1 nuclei to Tz = 0 odd-odd nuclei have been calculated by using spherical shell model and deformed Nilsson wave functions. The role and competition of the microscopic direct and spin-flip mechanisms generating Gamow-Teller transitions are analyzed. Analytical expressions derived for the B(GT) values give useful insight into the regularities of B(GT) values along the N = Z line. The crucial role of configuration mixing is discussed.

PACS.

23.40.-s β decay; double β decay; electron and muon capture 21.60.Cs Shell model 21.60.Ev Collective models 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2005

Authors and Affiliations

  1. 1.National Superconducting Cyclotron LaboratoryMichigan State UniversityEast LansingUSA
  2. 2.Institut für Kernphysik der Universität zu KölnKölnGermany

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