npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041


Research Paper

New Phys.: Sae Mulli 2021; 71: 360-363

Published online April 30, 2021

Copyright © New Physics: Sae Mulli.

Dirac Coupled Channel Analyses of $^{120}$Sn (p,p$^\prime$)

Sugie SHIM*

Department of physics, Kongju national university, Gonju 32588, Korea


Received: December 24, 2020; Revised: February 22, 2021; Accepted: March 2, 2021


Unpolarized proton inelastic scatterings of 800-MeV from $^{120}$Sn are analyzed using an optical potential model and the first-order collective model in relativistic Dirac coupled channel calculations. The theoretical results for the differential cross sectioons obtained in the Dirac phenomenological calculations are compared with the experimental data and with the results obtained in non-relativistic calculations. The channel coupling effects between the excited states that belong to the ground state rotational band are investigated, and the deformation parameters for several of the lowest-lying excited state, as obtained using Dirac approaches, are analyzed and compared with those calculated by using non-relativistic approaches.

Keywords: Dirac analysis, Proton inelastic scattering, Collective model, Optical potential model


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