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Al-Azhar Bulletin of Science
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Abdalaty, A., Okasha, M., Gad, M. (2020). Structure and Behavior of Superdeformed Rotational Bands in the A∼190 Mass Region Using Exponential Model with Pairing Attenuation. Al-Azhar Bulletin of Science, 31(Issue 2-B), 1-9. doi: 10.21608/absb.2020.37318.1075
Alhoseny Abdalaty; Madiha Okasha; Mahmoud Gad. "Structure and Behavior of Superdeformed Rotational Bands in the A∼190 Mass Region Using Exponential Model with Pairing Attenuation". Al-Azhar Bulletin of Science, 31, Issue 2-B, 2020, 1-9. doi: 10.21608/absb.2020.37318.1075
Abdalaty, A., Okasha, M., Gad, M. (2020). 'Structure and Behavior of Superdeformed Rotational Bands in the A∼190 Mass Region Using Exponential Model with Pairing Attenuation', Al-Azhar Bulletin of Science, 31(Issue 2-B), pp. 1-9. doi: 10.21608/absb.2020.37318.1075
Abdalaty, A., Okasha, M., Gad, M. Structure and Behavior of Superdeformed Rotational Bands in the A∼190 Mass Region Using Exponential Model with Pairing Attenuation. Al-Azhar Bulletin of Science, 2020; 31(Issue 2-B): 1-9. doi: 10.21608/absb.2020.37318.1075

Structure and Behavior of Superdeformed Rotational Bands in the A∼190 Mass Region Using Exponential Model with Pairing Attenuation

Article 4, Volume 31, Issue 2-B, December 2020, Page 1-9  XML PDF (477.44 K)
Document Type: Original Article
DOI: 10.21608/absb.2020.37318.1075
Authors
Alhoseny Abdalaty1; Madiha Okasha2; Mahmoud Gad email orcid 3
1Physics Department, Faculty of Science (Assuit branch), Al-Azhar University, Egypt
2Physics Department, Faculty of Science (Girls branch), Al-Azhar University, Cairo, Egypt
3Physics Department, Faculty of Science, (Boys), Al-Azhar University, Cairo, Egypt
Abstract
The exponential model with pairing attenuation (EMPA) is extended and used to analysis the superdeformed rotational bands(SDRB’s) in Thallium nuclei in the mass region A∼190 .The level spins are extracted by fitting the experimental dynamical moment of inertia J(2) to the theoretical version of Harris expansion in even powers of rotational frequency ħω. Using the assigned spins ,the parameters of the extended exponential model are adjusted by using a computer simulated search program to fit the transition energies with experimental ones .The best adopted parameters are used to calculate transition energies Eγ(I) rotational frequencies ħω ,kinematic J(1) and dynamic J(2) moments of inertia .The variation of J(1) and J(2) versus ħω are examined .A staggering functions depends on the concept of EGOS and finite differences are suggested to investigate and exhibit the I=1 staggering effects in transition energies in the studied SDRB’s. The phenomenon of identical bands in also investigated in Thallium nuclei.
Keywords
Pairing Attenuation; Staggering; Thallium nuclei
Main Subjects
Physics
Statistics
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