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By
Dutta, A K; Pearson, J M
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3 Citations
It is pointed out that the semiclassical method of Jennings, Bhaduri and Brack for smoothing the total energy of a system of noninteracting fermions in a potential wellV(r) breaks down in the fourthorder term if this potential is nonmonotonic. This means that the method as it stands can only be used by neglecting the Coulomb force on protons. We propose a modified treatment for the fourthorder term which appears to be entirely satisfactory.
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By
Saxena, Alok; Ramamurthy, V S
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4 Citations
The surface diffuseness of deformed and rotating nuclei has been studied using the energy density formalism. It is shown that the surface diffuseness exhibits an anisotropy. This anisotropy in surface diffuseness can result in an anisotropic charged particle emission from highly spinning nuclei as has been seen in some recent experiments.
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By
Rajasekaran, M; Arunachalam, N; Rajasekaran, T R; Devanathan, V
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The hot rotating compound systems formed in heavy ion collisions are studied using the statistical theory with a view to determine the spin and temperature dependence of nuclear shapes. Shape transitions are observed for these systems at particular spin values. The neutron and proton separation energies for heavier high spin systems have been evaluated. Results are presented for
_{70}^{170}
Yb and
_{78}^{194}
Pt.
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By
Yasin, Md.
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Phaseshiftequivalent potentials are used to study the sensitivity of triton binding energy (E_{T}) to the offshell behaviour of twonucleonT matrix in a translationallyinvariant basis of harmonic oscillator wavefunction. For a smaller value of inverse range parameterλ (1.95 fm^{−1}), which is close to the attractive range of our model potential, a 21% variation in the triton binding energy is obtained. For the other value ofλ an offshell variation of about 28% inE_{T} is obtained.
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By
Praharaj, C R
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Parity mixing in deformed HartreeFock orbits preferentially lowers the energies of prolate deformed shapes and leads to a consistent description of the shapes of A ≈ 70 nuclei.
By
Kota, V. K. B.
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5 Citations
In theO(36) limit of the interacting boson model including spinisospin degrees of freedom (IBM4), starting with a group chain that preservess andd boson spins and isospins together with a simple mixing hamiltonian, it is shown that the model generates, for heavyN =Z nuclei, eveneven to oddodd staggering in the number ofT = 0 pairs in the ground states for moderate difference in the basicT = 0 andT = 1sboson pair energies; the staggering disappears when the energy difference is large.
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By
Sahu, R; Pandya, S P
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4 Citations
The structure of the selenium nuclei in the regionA = 70 is studied using our deformed configuration mixing (DCM) shell model based on HartreeFock states. An effective interaction given by Kuo and modified by Bhatt is used. An attempt is made to understand the coexistence of shapes in selenium nuclei.
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