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    Öğe
    Investigation of Gamow-Teller strength of 186Hg within deformed pn-QRPA
    (Canadian Science Publishing, 2022) Nabi, Jameel-Un; Ullah, Asim; Kabir, Abdul; Muneem, Abdul; Boyukata, Mahmut
    Recently, the total absorption gamma spectroscopy technique was used to determine the Gamow-Teller (GT) distribution of beta-decay of Hg-186. It was concluded that the best description of the measured data was obtained with dominantly prolate components for both parent Hg-186 and daughter Au-186. Motivated by the recent findings, we investigate the effect of nuclear deformation on the energy distribution of the GT strength of the decay of Hg-186 into Au-186 within the framework of proton-neutron quasiparticle random phase approximation (pn-QRPA) based on the deformed Nilsson potential. To do the needful, we first calculate the energy levels and shape prediction of Hg-186 within the interacting boson model. The computed GT strength distribution satisfied the model-independent Ikeda sum rule 100% (99.98%) for the prolate (oblate) case. Based on the strength distributions, the deformed pn-QRPA model with separable interaction prefers a prolate shape for the ground state of Hg-186 and supports the shape coexistence for this nucleus.
  • [ X ]
    Öğe
    Investigation of Gamow–Teller strength of186 Hg within deformed pn-QRPA
    (Canadian Science Publishing, 2022) Nabi, Jameel-Un; Ullah, Asim; Kabir, Abdul; Muneem, Abdul; Böyükata, Mahmut
    Recently, the total absorption gamma spectroscopy technique was used to determine the Gamow–Teller (GT) distribution of ?-decay of186 Hg. It was concluded that the best description of the measured data was obtained with dominantly prolate components for both parent186 Hg and daughter186 Au. Motivated by the recent findings, we investigate the effect of nuclear deformation on the energy distribution of the GT strength of the decay of186 Hg into186 Au within the framework of proton– neutron quasiparticle random phase approximation (pn-QRPA) based on the deformed Nilsson potential. To do the needful, we first calculate the energy levels and shape prediction of186 Hg within the interacting boson model. The computed GT strength distribution satisfied the model-independent Ikeda sum rule 100% (99.98%) for the prolate (oblate) case. Based on the strength distributions, the deformed pn-QRPA model with separable interaction prefers a prolate shape for the ground state of186 Hg and supports the shape coexistence for this nucleus. © 2022 The Author(s).