New insights on pseudospin doublets in nuclei

Abstract : The relevance of the pseudospin symmetry in nuclei is considered. New insight is obtained from looking at the continuous transition from a model satisfying the spin symmetry to another one satisfying the pseudospin symmetry. This study suggests that there are models allowing no missing single-particle states in this transition, contrary to what is usually advocated. It rather points out to an association of pseudospin partners different from the one usually assumed, together with a strong violation of the corresponding symmetry. A comparison with results obtained from some relativistic approaches is made.
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Article dans une revue
European Physical Journal A, EDP Sciences, 2010, 43, pp.369-378. <10.1140/epja/i2010-10921-3>


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Contributeur : Bertrand Desplanques <>
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Dernière modification le : vendredi 19 mars 2010 - 14:47:08
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B. Desplanques, S. Marcos. New insights on pseudospin doublets in nuclei. European Physical Journal A, EDP Sciences, 2010, 43, pp.369-378. <10.1140/epja/i2010-10921-3>. <in2p3-00372725>

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