Structural Stability and Level Density of Hot Rotating Doubly Magic Isotopes of Calcium

Authors

  • S. Santhosh Kumar Department of Physics, Avvaiyar Govt. College for Women, Karaikal – 609 602, u.t. of Puducherry, India
  • P. Preetha Department of Physics, eGS Pillay Arts & Science College, Nagapattinam- 611 002, tamilNadu, India
  • P. Vinodini Department of Physics, eGS Pillay Arts & Science College, Nagapattinam- 611 002, tamilNadu, India
  • T. R. Rajasekaran Department of Physics, Manonmaniam Sundaranar university, tirunelveli-627 012, tamilNadu, India

DOI:

https://doi.org/10.15415/jnp.2015.22009

Keywords:

Level density, separation energy, nucleon emission, shape transition, structural changes

Abstract

The recently reported doubly-magic nuclei 52Ca and 54Ca are discussed in comparison with the other magic isotopes of Calcium. the temperature effect is included in this study and hence the statistical approach to obtain the particle emission and level density are discussed in the context of temperature effect. We predict an increase in neutron emission for 54Ca due to the abrupt decrease in neutron separation energy around t=0.4MeV. Since the drop in the separation energy is closely associated with the structural changes in the rotating nuclei, relative increase in neutron emission probability around certain values of temperature may be construed as evidence for the shape transition. Such effects are not obtained for 40,48,52Ca isotopes. hence this statistical study reveals the higher stability of magic nature of 52Ca than 54Ca, against temperature.

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Published

2015-02-10

How to Cite

(1)
Kumar, S. S. .; Preetha, P. .; Vinodini, P. .; Rajasekaran, T. R. . Structural Stability and Level Density of Hot Rotating Doubly Magic Isotopes of Calcium. J. Nucl. Phy. Mat. Sci. Rad. A. 2015, 2, 125-133.

Issue

Vol. 2 No. 2 (2015)

Section

Articles

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Articles in Journal of Nuclear Physics, Material Sciences, Radiation and Applications (J. Nucl. Phy. Mat. Sci. Rad. A.) by Chitkara University Publications are Open Access articles that are published with licensed under a Creative Commons Attribution- CC-BY 4.0 International License. Based on a work at http://jnp.chitkara.edu.in. This license permits one to use, remix, tweak and reproduction in any medium, even commercially provided one give credit for the original creation.

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