Investigation of new and evolving structures in <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Te</mi><mprescripts></mprescripts><none></none><mn>125</mn></mmultiscripts></math> using <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>γ</mi></math> spectroscopy

Atreyee Dey; A. K. Singh; Anwesha Basu; Somnath Nag; G. Mukherjee; S. Bhattacharyya; S. Nandi; S. Bhattacharya; R. Banik; R. Raut; S. S. Ghugre; S. Das; S. Samanta; S. Chatterjee; A. Goswami; S. Ali; H. Pai; S. Rajbanshi

doi:10.1103/1brn-3bxq

Investigation of new and evolving structures in ${}^{125}{Te}$ using $γ$ spectroscopy

Atreyee Dey ^*, A. K. Singh , and Anwesha Basu ^†

Somnath Nag

G. Mukherjee , S. Bhattacharyya, S. Nandi ^‡, and S. Bhattacharya

R. Banik

R. Raut , S. S. Ghugre, S. Das, S. Samanta^§, and S. Chatterjee

A. Goswami^∥ and S. Ali ^¶

H. Pai

S. Rajbanshi

Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur 721302, India

Department of Physics, Indian Institute of Technology (BHU), Varanasi 221005, India

Variable Energy Cyclotron Centre, Kolkata 700064, India and Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

Institute of Engineering and Management, Management House, Saltlake, Kolkata 700091, India and University of Engineering and Management, New Town, Kolkata 700160, India

UGC-DAE CSR, Kolkata Centre, Kolkata 700098, India

Saha Institute of Nuclear Physics, Kolkata 700064, India

Extreme Light Infrastructure - Nuclear Physics, “Horia Hulubei” National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului Street, 077125 Magurele, Romania

Department of Physics, Presidency University, Kolkata 700073, India

^*Contact author: atreyee_dey@iitkgp.ac.in
^†Present address: McGill University, Montreal, Quebec H3A 2T8, Canada.
^‡Present address: UGC-DAE CSR, Kolkata Centre, Kolkata 700098, India.
^§Present address: Adamas University, Barbaria, Kolkata 700126, India.
^∥Deceased.
^¶Present address: Government General Degree College at Pedong, Kalimpong 734311, India.

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Phys. Rev. C 113, 024319 – Published 12 February, 2026

DOI: https://doi.org/10.1103/1brn-3bxq

Abstract

The excited nuclear states of ${}^{125}{Te}$ were populated in a fusion-evaporation reaction using a target of ${}^{124}{Sn}$ and $α$ beam at 31 and 35 MeV energies. All the $γ − γ$ coincidences were recorded using the Indian National Gamma Array at VECC, India, and processed by a digital data acquisition system. A total of 92 new $γ$ rays were identified and placed within the level scheme. Six new structures, three of positive parity and three with negative parity, have been identified. Previously observed level scheme has been verified and extended up to $\approx 5.7$ MeV. The results were interpreted in the framework of the particle rotor model and possible configurations were assigned to the structures.

Physical Review C

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Investigation of new and evolving structures in ${}^{125}{Te}$ using $γ$ spectroscopy

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Investigation of new and evolving structures in Te125 using γ spectroscopy

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Investigation of new and evolving structures in ${}^{125}{Te}$ using $γ$ spectroscopy