Neutron-proton mass difference in nuclei in a relativistic harmonic quark model
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Editrice Compositori Bologna
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Abstract
The nuclear dependence of the neutron-proton mass difference is examined in a relativistic harmonic quark model with the assumption of a swelling of the individual nucleon originated by a decrease of the spring constant inside the nuclear medium. A decrease of the neutron-proton mass difference is obtained which is reasonably small and in the right direction to cope with the Nollen-Schiffer anomaly in mirror nuclei. © 1992 Società Italiana di Fisica.
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12.40.Aa - Bag models and other phenomenological quark models, 21.10.Sf - Coulomb energies
Language
English
Citation
Il Nuovo Cimento A Series 11, v. 105, n. 7, p. 1045-1049, 1992.
