“Stiff” deformed nuclei, configuration dependent pairing and the and degrees of freedom

JF Sharpey-Schafer, RA Bark, SP Bvumbi… - The European Physical …, 2019 - Springer
We review the current experimental data on collective structures within the pairing gap of
even-even deformed nuclei, with emphasis on nuclei near mass number A∼150 A∼ 150 …

Symmetry restoration in mean-field approaches

JA Sheikh, J Dobaczewski, P Ring… - Journal of Physics G …, 2021 - iopscience.iop.org
The mean-field approximation based on effective interactions or density functionals plays a
pivotal role in the description of finite quantum many-body systems that are too large to be …

Fingerprints of the triaxial deformation from energies and B(E2) transition probabilities of -bands in transitional and deformed nuclei

SP Rouoof, N Nazir, S Jehangir, GH Bhat… - The European Physical …, 2024 - Springer
The energies and B (E 2) transitions involving the states of the ground-and γ-bands in thirty
transitional and deformed nuclei are calculated using the triaxial projected shell model …

[HTML][HTML] Microscopic description of structural evolution in pd, xe, ba, nd, sm, gd and dy isotopes

T Naz, GH Bhat, S Jehangir, S Ahmad, JA Sheikh - Nuclear Physics A, 2018 - Elsevier
Aiming to understand the role of triaxiality and the evolution of the ground state nuclear
shapes, we have carried out a microscopic study for a series of chains of Pd, Xe, Ba, Nd, Sm …

Triaxial projected shell model study of -bands in atomic nuclei

S Jehangir, GH Bhat, JA Sheikh, S Frauendorf… - The European Physical …, 2021 - Springer
A systematic study of γ γ-bands observed in atomic nuclei is performed using the triaxial
projected shell model (TPSM) approach. The staggering phase between the even and odd …

Triaxial projected shell model approach for negative parity states in even-even nuclei

N Nazir, S Jehangir, SP Rouoof, GH Bhat, JA Sheikh… - Physical Review C, 2023 - APS
The triaxial projected shell model (TPSM) approach is generalized to investigate the
negative parity band structures in even-even systems. In the earlier version of the TPSM …

and bands in , 90, and 92 isotones investigated with a five-dimensional collective Hamiltonian based on covariant density functional theory: Vibrations …

SNT Majola, Z Shi, BY Song, ZP Li, SQ Zhang, RA Bark… - Physical Review C, 2019 - APS
A comprehensive systematic study is made for the collective β and γ bands in even-even
isotopes with neutron numbers N= 88 to 92 and proton numbers Z= 62 (Sm) to 70 (Yb). Data …

Systematic study of near-yrast band structures in odd-mass and isotopes

S Jehangir, GH Bhat, N Rather, JA Sheikh, R Palit - Physical Review C, 2021 - APS
In the present work, the basis space in the triaxial projected shell-model approach is
expanded to include three and five quasiparticle configurations for odd-proton systems. This …

Measurement of enhanced electric dipole transition strengths at high spin in : Possible observation of octupole deformation

A Karmakar, N Nazir, P Datta, JA Sheikh, S Jehangir… - Physical Review C, 2024 - APS
The majority of atomic nuclei have deformed shapes and nearly all these shapes are
symmetric with respect to reflection. There are only a few reflection asymmetric pear-shaped …

Observation of quasi- bands in Te nuclei

SS Tiwary, HP Sharma, S Chakraborty… - The European Physical …, 2019 - Springer
Excited states of 124 Te have been studied via 122 Sn (9 Be, α α 3n) 124 Te reaction at
48MeV. The spin and parity of several states have been confirmed on the basis of results of …