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NSR database version of April 27, 2024.

Search: Author = S.P.Rouoof

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2024RO03      Eur.Phys.J. A 60, 40 (2024)

S.P.Rouoof, N.Nazir, S.Jehangir, G.H.Bhat, J.A.Sheikh, N.Rather, S.Frauendorf

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

NUCLEAR STRUCTURE ^154,156Gd, ^{156,158,160,162}Dy, ^164,166,170Er, ¹⁸⁰Hf, ²³²Th, ²³⁸U, ^76,78Se, ⁷⁶Ge, ^104,106,108Mo, ^{108,110,112,114}Ru, ^{182,184,186,188,190,192}Os, ^192,194Pt; calculated energies and B(E2) transitions involving the states of the ground- and γ-bands in transitional and deformed nuclei using the triaxial projected shell model (TPSM) approach; deduced the emergence of the staggering phenomena in the transitions in the terms of interactions between the bands.

doi: 10.1140/epja/s10050-024-01257-y
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2023MU10      Phys.Rev. C 107, 054310 (2023)

A.Mukherjee, S.Bhattacharya, T.Trivedi, S.Tiwari, R.P.Singh, S.Muralithar, Yashraj, K.Katre, R.Kumar, R.Palit, S.Chakraborty, S.Jehangir, N.Nazir, S.P.Rouoof, G.H.Bhat, J.A.Sheikh, N.Rather, R.Raut, S.S.Ghugre, S.Ali, S.Rajbanshi, S.Nag, S.S.Tiwary, A.Sharma, S.Kumar, S.Yadav, A.K.Jain

Evidence of transverse wobbling motion in ¹⁵¹Eu

NUCLEAR REACTIONS ¹⁴⁸Nd(⁷Li, 4n)¹⁵¹Eu, E=30 MeV; measured Eγ, Iγ, γγ-coin γγ(θ). ¹⁵¹Eu; deduced levels, J, π, high-spin states, directional correlation of oriented states (DCO) ratio, polarization asymmetries, mixing ratios, δ, rotational bands structure, B(E2_in)/B(E2_out), B(M1_in)/B(E2_out). Comparison to triaxial projected shell model calculations. Evidences of presence of transverse wobbling in ¹⁵¹Eu. Systematics of wobbling excitation energies for ¹⁵¹Eu, ¹³⁵Pr, ¹³³Ba, ¹⁸³Au, ¹⁸⁷Au, ¹³³La and ¹²⁷Xe. Indian National Gamma Array (INGA) consisting of 16 Compton suppressed clover detectors and 2 ancillary LEPS detectors at 15 UD pelletron (IUAC, New Delhi).

doi: 10.1103/PhysRevC.107.054310
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2023NA07      Phys.Rev. C 107, L021303 (2023)

N.Nazir, S.Jehangir, S.P.Rouoof, G.H.Bhat, J.A.Sheikh, N.Rather, S.Frauendorf

Microscopic aspects of γ softness in atomic nuclei

NUCLEAR STRUCTURE ¹⁰⁴Ru; calculated levels, J, π, staggering parameter for γ-band, reduced E2 and M1 matrix elements - in-band, diagonal and interband, quadrupole shape invariants for ground state band and γ-band. Analysis show that admixtures of quasiparticle states into the collective vacuum configuration can transform the pattern of the energies and E2 matrix elements from γ-rigid to γ-soft character. Triaxial projected shell model (TPSM) approach. Comparison to data obtained in COULEX experiments and results of calculations performed in the framework of quadrupole collective Bohr Hamiltonian (QCBH) approach.

doi: 10.1103/PhysRevC.107.L021303
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2023NA27      Phys.Rev. C 108, 044308 (2023)

N.Nazir, S.Jehangir, S.P.Rouoof, G.H.Bhat, J.A.Sheikh, N.Rather, M.A.Malik

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

doi: 10.1103/PhysRevC.108.044308
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