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Calculation of gamma-ray spectroscopy of pg9/2 + isomers in 69,71,73,75,77,79 as nuclei

Hossain, Md. Imam and Islam, J. and Ghani, N. N. A. M. A. and Hoque, M. E. and Viswanathan, Kodakkal Kannan and Abdullah, H. Y. and Al-Monthery, M. H. and Ahmed, I. M. (2011) Calculation of gamma-ray spectroscopy of pg9/2 + isomers in 69,71,73,75,77,79 as nuclei. International Journal of Physical Sciences, 6 (13). pp. 3162-3167. ISSN 1992 - 1950

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Official URL: http://dx.doi.org/10.5897/IJPS11.618

Abstract

We have calculated binding energy, reduced transition probabilities and deformation parameter in 69,71,73,75,77,79 As nuclei. The energies of projectile-like fragments and Q-value in 76Ge (635 MeV) + 198Pt reactions are also calculated. The theoretical calculations of projectile like fragments (PLFs) energies are compared with the experimental values. The systematic energies for 9/2+ 5/2- de-excitation of + those nuclei indicate maximum deformation at N=42. The decrease in excitation level of the 9/2 state 69 79 from As to As provides some evidence for decreasing quadruple “softness” towards the closed neutron shell at N = 40. We have reported single and coincidence ?-ray spectroscopy of 79As by deep- inelastic collision 76Ge (635 MeV) + 198Pt. The systematic isomeric level and reduced transition probabilities of 69,71,73,75,77,79As nuclei have been investigated.

Item Type:Article
Uncontrolled Keywords:Q-value, reduced transition probabilities, projectile like fragments
Subjects:Q Science
Divisions:Science
ID Code:28869
Deposited By: Liza Porijo
Deposited On:30 Nov 2012 01:27
Last Modified:30 Nov 2012 01:27

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