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In this work, we present a new version of the Bohr collective Hamiltonian for triaxial nuclei within Deformation-Dependent Mass formalism (DDM) using the Hulth\'en potential. We shall call the developed model Z(5)-HD. Analytical expressions…

Nuclear Theory · Physics 2020-08-05 A. Adahchour , S. Ait El Korchi , A. El Batoul , A. Lahbas , M. Oulne

In this paper, we solve the eigenvalues and eigenvectors problem with Bohr collective Hamil- tonian for triaxial nuclei. The ? beta part of the collective potential is taken to be equal to Hulth?en potential while the gamma part is defined…

Nuclear Theory · Physics 2016-10-31 M. Chabab , A. Lahbas , M. Oulne

Analytical expressions for spectra and wave functions are derived for a Bohr Hamiltonian, describing the collective motion of deformed nuclei, in which the mass is allowed to depend on the nuclear deformation. Solutions are obtained for…

Nuclear Theory · Physics 2011-05-13 Dennis Bonatsos , P. E. Georgoudis , D. Lenis , N. Minkov , C. Quesne

Motivation : Several theoretical comparisons with experimental data have recently pointed out that the mass tensor of the collective Bohr Hamiltonian cannot be considered as a constant and should be taken as a function of the collective…

Nuclear Theory · Physics 2018-03-14 P. Buganu , M. Chabab , A. El Batoul , A. Lahbas , M. Oulne

The Deformation Dependent Mass (DDM) Kratzer model is constructed by considering the Kratzer potential in a Bohr Hamiltonian, in which the mass is allowed to depend on the nuclear deformation, and solving it by using techniques of…

Nuclear Theory · Physics 2015-06-16 Dennis Bonatsos , P. E. Georgoudis , N. Minkov , D. Petrellis , C. Quesne

In this work, the Davydov-Chaban Hamiltonian, describing the collective motion of $\gamma$-rigid atomic nuclei, is amended by allowing the mass parameter to depend on the nuclear deformation. Further, Z(4)-DDM (Deformation-Dependent Mass)…

Nuclear Theory · Physics 2021-11-04 S. Ait El Korchi , S. Baid , P. Buganu , M. Chabab , A. El Batoul , A. Lahbas , M. Oulne

Recently, a variant of the Bohr Hamiltonian was proposed where the mass term is allowed to depend on the beta variable of nuclear deformation. Analytic solutions of this modified Hamiltonian have been obtained using the Davidson and the…

Nuclear Theory · Physics 2019-12-25 D. Petrellis , Dennis Bonatsos , N. Minkov

In this work we solve the Schr\"odinger equation for Bohr Hamiltonian with Coulomb and Hulth\'en potentials within the formalism of minimal length in order to obtain analytical expressions for the energy eigenvalues and eigenfunctions by…

Nuclear Theory · Physics 2019-05-13 M. Chabab , A. El Batoul , M. Hamzavi , A. Lahbas , I. Moumene , M. Oulne

In this work, we derive a closed solution of the Shr$ \ddot{o} $dinger equation for Bohr Hamiltonien within the minimal length formalism. This formalism is inspired by Heisenberg algebra and a generlized uncertainty principle (GUP), applied…

Nuclear Theory · Physics 2019-03-18 S. Ait Elkorchi , M. Chabab , A. El Batoul , A. Lahbas , M. Oulne

A solution of the Bohr Hamiltonian appropriate for triaxial shapes, involving a Davidson potential in beta and a steep harmonic oscillator in gamma, centered around gamma=30 degrees, is developed. Analytical expressions for spectra and…

Nuclear Theory · Physics 2011-01-28 I. Yigitoglu , Dennis Bonatsos

Experimental data indicate that the mass tensor of collective Bohr Hamiltonian cannot be considered as a constant but should be considered as a function of the collective coordinates. In this work our purpose is to investigate the…

Nuclear Theory · Physics 2020-03-17 M. Chabab , A. El Batoul , I. El-ilali , A. Lahbas , M. Oulne

The Bohr Hamiltonian describing the collective motion of atomic nuclei is modified by allowing the mass to depend on the nuclear deformation. Exact analytical expressions are derived for spectra and wave functions in the case of a…

Nuclear Theory · Physics 2014-11-20 Dennis Bonatsos , P. Georgoudis , D. Lenis , N. Minkov , C. Quesne

New approximate analytical solutions have been obtained for the conformable fractional collective Bohr Hamiltonian suitable for triaxial nuclei, with the harmonic oscillator in {\gamma}-part of the collective potential and different…

Nuclear Theory · Physics 2023-11-07 M. M. Hammad , M. M. Yahia , Dennis Bonatsos

In this work, we modify the Davydov-Chaban Hamiltonian describing the collective motion of a $\gamma$-rigid atomic nucleus by allowing the mass to depend on nuclear deformation. Exact analytical expressions are derived for energy spectra as…

Nuclear Theory · Physics 2018-01-09 P. Buganu , M. Chabab , A. El Batoul , A. Lahbas , M. Oulne

The phenomenological classification of collective quadrupole excitations by means of the Bohr Hamiltonian is reviewed with focus on signatures for triaxility. The variants of the microscopic Bohr Hamiltonian derived by means of the…

Nuclear Theory · Physics 2015-10-28 S. Frauendorf

In this paper, we present a theoretical study of a conjonction of $\gamma$-rigid and $\gamma$-stable collective motions in critical point symmetries of the phase transitions from spherical to deformed shapes of nuclei using exactly…

Nuclear Theory · Physics 2016-12-21 M. Chabab , A. El Batoul , A. Lahbas , M. Oulne

A gamma-rigid solution of the Bohr Hamiltonian is derived for gamma=0 utilizing the Davidson potential in the beta variable. This solution is going to be called X(3)-D. The energy eigenvalues and wave functions are obtained by using an…

Nuclear Theory · Physics 2017-01-02 I. Yigitoglu , M. Gokbulut

In this paper, we present new analytical solutions of the Bohr Hamiltonian problem that we derived with the Tietz-Hua potential, here used for describing the {\beta}-part of the nuclear collective potential plus harmonic oscillator one for…

Nuclear Theory · Physics 2017-09-13 M. Chabab , A. El Batoul , M. Hamzavi , A. Lahbas , M. Oulne

Analytical solutions of the Bohr Hamiltonian are obtained in the $\gamma$-unstable case, as well as in an exactly separable rotational case with $\gamma\approx 0$, called the exactly separable Morse (ES-M) solution. Closed expressions for…

Nuclear Theory · Physics 2008-11-26 I. Boztosun , D. Bonatsos , I. Inci

The Bohr hamiltonian, also called collective hamiltonian, is one of the cornerstone of nuclear physics and a wealth of solutions (analytic or approximated) of the associated eigenvalue equation have been proposed over more than half a…

Nuclear Theory · Physics 2007-05-23 Lorenzo Fortunato
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