Effects of isoscalar pairing force on spin-isospin transitions in 42Ca

Liang GUO; Yifei NIU

doi:10.11889/j.0253-3219.2023.hjs.46.080019

Journals >NUCLEAR TECHNIQUES >Volume 46 >Issue 8 >Page 080019 > Article

NUCLEAR TECHNIQUES
Vol. 46, Issue 8, 080019 (2023)

Effects of isoscalar pairing force on spin-isospin transitions in ⁴²Ca

Liang GUO^1、2 and Yifei NIU^1、2、*

Author Affiliations

¹School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China

²Frontiers Science Center for Rare isotopes, Lanzhou University, Lanzhou 730000, China

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DOI: 10.11889/j.0253-3219.2023.hjs.46.080019 Cite this Article

Liang GUO, Yifei NIU. Effects of isoscalar pairing force on spin-isospin transitions in ⁴²Ca[J]. NUCLEAR TECHNIQUES, 2023, 46(8): 080019 Copy Citation Text

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GT- strength distributions in 42Ca obtained via RHB+QRPA calculations for the DD-ME2 interaction in comparison with experimental results[7-8]

Fig. 1. GT^- strength distributions in ⁴²Ca obtained via RHB+QRPA calculations for the DD-ME2 interaction in comparison with experimental results^[7-8]

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SD- strength distributions in 42Ca obtained via RHB+QRPA calculations for the DD-ME2 interaction

Fig. 2. SD^- strength distributions in ⁴²Ca obtained via RHB+QRPA calculations for the DD-ME2 interaction

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$p n p' n'$	cfph	cfpp
$(ν 1 f_{7 / 2}, π 1 f_{5 / 2}; ν 1 f_{7 / 2}, π 1 f_{5 / 2}$ )	0.25	0.75
$(ν 1 f_{5 / 2}, π 1 f_{7 / 2}; ν 1 f_{7 / 2}, π 1 f_{5 / 2}$ )	0.04	0.86
$(ν 1 f_{5 / 2}, π 1 f_{7 / 2}; ν 1 f_{5 / 2}, π 1 f_{7 / 2}$ )	0.01	0.99
$(ν 1 f_{7 / 2}, π 1 f_{7 / 2}; ν 1 f_{7 / 2}, π 1 f_{5 / 2}$ )	0.25	0.75
$(ν 1 f_{7 / 2}, π 1 f_{7 / 2}; ν 1 f_{5 / 2}, π 1 f_{7 / 2}$ )	0.04	0.86
$(ν 1 f_{7 / 2}, π 1 f_{7 / 2}; ν 1 f_{7 / 2}, π 1 f_{7 / 2}$ )	0.25	0.75

Table 1. Coefficients cfph and cfpp in front of the residual interaction matrix elements obtained using the RHB+QRPA model for the DD-ME2 interaction

Liang GUO, Yifei NIU. Effects of isoscalar pairing force on spin-isospin transitions in ⁴²Ca[J]. NUCLEAR TECHNIQUES, 2023, 46(8): 080019

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