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14 papers · 2 filters
Competition between =1 and =0 pairing in -shell nuclei with
H. Sagawa, Y. Tanimura, K. Hagino
The pairing correlation energy for two-nucleon configurations with the spin-parity and isospin of , =1 and , =0 are calculated with =1 and =0 pairing…
New Skyrme energy density functional for a better description of the Gamow-Teller Resonance
X. Roca-Maza, G. Colo', H. Sagawa
We present a new Skyrme energy density functional (EDF) named SAMi [Phys. Rev. C 86 031306(R)]. This interaction has been accurately calibrated to reproduce properties of doubly-ma…
Role of T=0 pairing in Gamow-Teller states in N=Z nuclei
C. L. Bai, H. Sagawa, M. Sasano +5
Gamow-Teller (GT) states in N=Z nuclei with the mass number A from 48 to 64 are studied by using Hartree-Fock-Bogoliubov + quasi-particle random phase approximation (HFB+QRPA) with…
Neutrino Capture Reactions on Ar
Toshio Suzuki, Michio Honma
Gamow-Teller (GT) strength in Ar is studied by shell-model calculations with monopole-based universal intearction, which has tensor components of ρ$-meson exchanges. Calc…
Pairing correlations in exotic nuclei
H. Sagawa, K. Hagino
The BCS and HFB theories which can accommodate the pairing correlations in the ground states of atomic nuclei are presented. As an application of the pairing theories, we investiga…
Shape transitions in exotic Si and S isotopes and tensor-force-driven Jahn-Teller effect
Yutaka Utsuno, Takaharu Otsuka, B. Alex Brown +3
We show how shape transitions in the neutron-rich exotic Si and S isotopes occur in terms of shell-model calculations with a newly constructed Hamiltonian based on V_MU interaction…