Isoscalar pairing correlations by the tensor force in the ground states of C-12, O-16, Ne-20, and S-32 nucleiIsoscalar pairing correlations by the tensor force in the ground states of C 12, O 16, Ne 20, and S 32 nuclei ISOSCALAR PAIRING CORRELATIONS by the TENSOR ... HA, KIM, CHEOUN, and SAGAWA
- Other Titles
- Isoscalar pairing correlations by the tensor force in the ground states of C 12, O 16, Ne 20, and S 32 nuclei ISOSCALAR PAIRING CORRELATIONS by the TENSOR ... HA, KIM, CHEOUN, and SAGAWA
- Authors
- Ha, Eun Ja; Kim, Seonghyun; Cheoun, Myung-Ki; Sagawa, H
- Issue Date
- Sep-2021
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW C, v.104, no.3
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW C
- Volume
- 104
- Number
- 3
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/189200
- DOI
- 10.1103/PhysRevC.104.034306
- ISSN
- 2469-9985
- Abstract
- We investigate roles of the tensor force (TF) on the pairing correlations in the ground-state structure of C-12, O-16, Ne-20, and S-32 nuclei within a deformed BCS model. For pairing matrix elements, we exploit the Brueckner G matrix derived from the charge-dependent Bonn potential. In particular, the isoscalar (IS) neutron-proton (np) pairing is studied in detail in relation to spin-triplet even TF in the nucleon-nucleon interaction. Detailed analyses of the np pairing and possible enhancement of the IS channel are performed by focusing on roles of attractive spin-triplet even and repulsive spin-triplet odd channels in the TF for the ground states of the nuclei with some deformation. It is also shown that the TF may play a crucial role of properly interpreting the experimental data of a two-nucleon knockout reaction from C-12.
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