The 0+ → 0+ positron double- β decay with emission of two neutrinos in the nuclei 96Ru, 102Pd, 106Cd and 108Cd

  • P. K. Raina
  • A. Shukla
  • S. Singh
  • P. K. Rath
  • J. G. Hirsch
Nuclear Structure and Reactions

Abstract.

Theoretical results for two neutrinos in the nuclei 96Ru, 102Pd, 106Cd and 108Cd are presented. The study employs the Hartree-Fock-Bogoliubov model to obtain the wave functions of the parent and daughter nuclei, in conjunction with the summation method to estimate the double-beta decay nuclear matrix elements. The reliability of the intrinsic wave functions of 96, 102Ru, 96Mo, 102, 106, 108Pd and 106, 108Cd nuclei is tested by comparing the theoretically calculated spectroscopic properties with the available experimental data. The calculated half-lives T 1/2 of 96Ru, 102Pd, 106Cd and 108Cd nuclei for 2ν β+β+, 2ν β+ EC and 2ν ECEC modes are presented. The effect of deformation on the nuclear transition matrix element M is also studied.

PACS.

23.40.Hc Relation with nuclear matrix elements and nuclear structure 21.60.Jz Hartree-Fock and random-phase approximations 23.20.-g Electromagnetic transitions 27.60.+j 90 ⩽ A ⩽ 149 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2006

Authors and Affiliations

  • P. K. Raina
    • 1
  • A. Shukla
    • 1
  • S. Singh
    • 2
  • P. K. Rath
    • 2
  • J. G. Hirsch
    • 3
  1. 1.Department of Physics and MeteorologyIITKharagpurIndia
  2. 2.Department of PhysicsUniversity of LucknowLucknowIndia
  3. 3.Instituto de Ciencias NuclearesUniversidad Nacional Autónoma de MéxicoMéxico 04510 D.F.Mexico

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