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Band structures of the neutron-rich Mo- and Ru-isotopes around A $\sim $ 110 are investigated using the triaxial projected shell model (TPSM) approach employing multi-quasiparticle configuration space. The mass region under investigation…

Nuclear Theory · Physics 2016-02-17 G. H. Bhat , J. A. Sheikh , Y. Sun , R. Palit

Chiral rotation observed in $^{128}$Cs is studied using the newly developed microscopic triaxial projected shell model (TPSM) approach. The observed energy levels and the electromagnetic transition probabilities of the nearly degenerate…

Nuclear Theory · Physics 2015-06-03 G. H. Bhat , J. A. Sheikh , R. Palit

A systematic study of 2-quasiparticle bands of the proton-rich odd-odd nuclei in the mass A ~ 70-80 region is performed using the projected shell model approach. The study includes Br-, Rb-, and Y-isotopes with N = Z+2, and Z+4. We describe…

Nuclear Theory · Physics 2009-11-07 R. Palit , J. A. Sheikh , Y. Sun , H. C. Jain

The particle-number conserving method based on the cranked shell model is adopted to investigate the possible antimagnetic rotation bands in $^{100}$Pd. The experimental kinematic and dynamic moments of inertia, together with the $B(E2)$…

Nuclear Theory · Physics 2021-10-04 Jian-Qin Ma , Zhen-Hua Zhang

A systematic investigation of the wobbling band structures observed in odd-mass nuclei of $^{161,163,165,167}$Lu, $^{167}$Ta $^{131}$Cs, $^{135}$Pr, $^{151}$Eu, $^{183}$Au, $^{133}$Ba, $^{105}$Pd, $^{133}$La, $^{187}$Au and $^{127}$Xe is…

Nuclear Theory · Physics 2024-05-15 J. A. Sheikh , S. Jehangir , G. H. Bhat

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 approach, the quasiparticle excitations were restricted to one…

Nuclear Theory · Physics 2023-09-06 Nazira Nazir , S. Jehangir , S. P. Rouoof , G. H. Bhat , J. A. Sheikh , N. Rather , Manzoor A. Malik

The rotational bands in nuclei with $Z \approx 100$ are investigated systematically by using a cranked shell model (CSM) with the pairing correlations treated by a particle-number conserving (PNC) method, in which the blocking effects are…

Nuclear Theory · Physics 2012-01-27 Zhen-Hua Zhang , Xiao-Tao He , Jin-Yan Zeng , En-Guang Zhao , Shan-Gui Zhou

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 extension allows to investigate the high-spin band…

Nuclear Theory · Physics 2021-11-03 S. Jehangir , G. H. Bhat , N. Rather , J. A. Sheikh , R. Palit

Inspired by the recent experimental data (Phys. Lett. B {\bf 675} (2009) 420), we extend the triaxial projected shell model approach to study the $\gamma$-band structure in odd-mass nuclei. As a first application of the new development, the…

Nuclear Theory · Physics 2014-11-20 J. A. Sheikh , G. H. Bhat , Y. Sun , R. Palit

The particle-number-conserving method based on the cranked shell model is used to investigate the antimagnetic rotation band in $^{104}$Pd. The experimental moments of inertia and reduced $B(E2)$ transition probabilities are reproduced…

Nuclear Theory · Physics 2019-12-30 Zhen-Hua Zhang

Performing a shell model calculation for heavy nuclei has been a long-standing problem in nuclear physics. Here we propose one possible solution. The central idea of this proposal is to take the advantages of two existing models, the…

Nuclear Theory · Physics 2009-11-10 Yang Sun , Cheng-Li Wu

In an effort to elucidate the rich band structures observed in odd-neutron systems, triaxial projected shell model approach is extended to include three-quasineutron and five-quasiparticle configurations. This extension makes it possible to…

Nuclear Theory · Physics 2022-05-25 S. Jehangir , Nazira Nazir , G. H. Bhat , J. A. Sheikh , N. Rather , S. Chakraborty , R. Palit

The Heavy Shell Model (HSM) (Y. Sun and C.-L. Wu, Phys. Rev. C 68, 024315 (2003)) was proposed to take the advantages of two existing models, the projected shell model (PSM) and the Fermion Dynamical Symmetry Model (FDSM). To construct HSM,…

Nuclear Theory · Physics 2014-08-06 Ji-Wei Cui , Xian-Rong Zhou , Fang-Qi Chen , Yang Sun , Cheng-Li Wu , Zao-Chun Gao

The rotational properties of the neutron rich Nd and Sm isotopes with mass number $A\approx150$ are systematically investigated using the cranked shell model with pairing correlations treated by a particle-number conserving method, in which…

Nuclear Theory · Physics 2018-10-16 Zhen-Hua Zhang

The electric quadrupole transition rates for the high spin yrast states of 104 Pd have been measured by using the DSAM technique. These values decrease with the increase of angular momentum which is a signature of anti-magnetic rotation. A…

Nuclear Experiment · Physics 2014-02-17 N. Rather , S. Roy , P. Datta , S. Chattopadhyay , A. Gowsami , S. Nag , R. Palit , S. Pal , S. Saha , J. Sethi , T. Trivedi , H. C. Jain

A one-dimensional harmonic oscillator in a box is used to introduce the oblique-basis concept. The method is extended to the nuclear shell model by combining traditional spherical states, which yield a diagonal representation of the usual…

Nuclear Theory · Physics 2009-11-07 V. G. Gueorguiev , J. P. Draayer

The newly developed multi-quasiparticle triaxial projected shell-model approach is employed to study the high-spin band structures in neutron-deficient even-even Ce- and Nd-isotopes. It is observed that gamma-bands are built on each…

Nuclear Theory · Physics 2015-05-13 J. A. Sheikh , G. H. Bhat , R. Palit , Z. Naik , Y. Sun

Experimentally observed ground state band based on the $1/2^{-}[521]$ Nilsson state and the first exited band based on the $7/2^{-}[514]$ Nilsson state in the odd-$Z$ nucleus $^{255}$Lr are studied by the cranked shell model (CSM) with the…

Nuclear Theory · Physics 2020-03-10 Yu-Chun Li , Xiao-Tao He

Covariant density functional theory and the tilted axis cranking method are used to investigate antimagnetic rotation (AMR) in nuclei for the first time in a fully self-consistent and microscopic way. The experimental spectrum as well as…

Nuclear Theory · Physics 2011-09-16 P. W. Zhao , J. Peng , H. Z. Liang , P. Ring , J. Meng

Rotational bands are commonplace in the spectra of atomic nuclei. Inspired by early descriptions of these bands by quadrupole deformations of a liquid drop, Elliott constructed a discrete nucleon representations of $\mathrm{SU}(3)$ from…

Nuclear Theory · Physics 2021-07-07 Ryan Zbikowski , Calvin W. Johnson , Anna E. McCoy , Mark A. Caprio , Patrick J. Fasano
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