2021 Impact factor 3.131
Hadrons and Nuclei
Eur. Phys. J. A 3, 255-262

Pseudo-spin as a relativistic symmetry

Y.K. Gambhir - J.P. Maharana - C.S. Warke

Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, INDIA

Received: 16 April 1998 / Revised version: 26 June 1998 Communicated by P. Schuck

Abstract
The existence of broken pseudo-spin symmetry in the Pb nucleus has been studied in the relativistic mean field approach using realistic Lagrangian parameters. Its relationship to spin orbit splitting and the vanishingly small surface delta character of the mean spin orbit potential are investigated. In the 208Pb nucleus the broken pseudo-spin doublets are found to exist above the neutron (proton) Fermi surfaces.

PACS
21.60.Cs Shell model - 21.10.-k Properties of nuclei; nuclei energy levels - 21.30 Nuclear forces


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