Effects of triaxial deformation and pairing correlation on the proton emitter Tm145

Yao J.M. ; Sun B. ; Woods P.J. ; Meng J. (2008)


The ground-state properties of the recent reported proton emitter Tm145 have been studied within the axially or triaxially deformed relativistic mean field (RMF) approaches, in which the pairing correlation is taken into account by the BCS-method with a constant pairing gap. It is found that triaxiality and pairing correlations play important roles in reproducing the experimental one proton separation energy. The single-particle level, the proton emission orbit, the deformation parameters β=0.22 and γ=28.98° and the corresponding spectroscopic factor for Tm145 in the triaxial RMF calculation are given as well. © 2008 The American Physical Society.

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