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    Structural evolution and K mixing in Cr52: A shell model description

    Arkadip Bera1, Abhijit Bisoi1,*, Rozina Rahaman1, Y. Sapkota2, Arkabrata Gupta3, Sangeeta Das3, Ananya Das4, Dibyadyuti Pramanik5, S. Rajbanshi6 et al.

    A. Pal7,8, S. Basak7,8, Sansaptak Basu7,8, S. S. Nayak7,8, D. Kumar7,8, S. Bhattacharya7,8, T. Bhattacharjee7,8, S. Chakraborty3,7, G. Mukherjee7,8, S. Bhattacharyya7,8, A. Sharma9, S. Kundu9, Pankaj K. Giri9, R. Raut9, and S. S. Ghugre9

    • *Contact author: abhijitbisoi@physics.iiests.ac.in

    Phys. Rev. C 112, 044305 – Published 8 October, 2025

    DOI: https://doi.org/10.1103/xf4g-1mvr

    Abstract

    The Kπ=0+ and Kπ=4+ bands of Cr52, populated through the V51(He4,2np)Cr52 reaction with a 45 MeV He4 beam, have been studied using the Indian National Gamma Array (INGA) facility. The level scheme has been verified utilizing the results of intensity, directional correlation, and linear polarization measurements. Lifetimes of a few excited states in the observed bands have been measured/remeasured using the Doppler shift attenuation method (DSAM). Large basis shell model calculations have been performed within the fp valence space to understand the microscopic origin of these bands. Structural evolution and K mixing throughout the bands in Cr52 have been investigated using the calculated quadrupole moments (Qs) and the results obtained from one-nucleon transfer spectroscopic factor calculations.

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