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The influence of a self-energy term in nuclear pairing calculations
Affiliation:1. Laboratory of Ecology of Pathogenic Bacteria, Gamaleya Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia;2. Institutue of Biochemical Technology and Nanotechnology, Peoples'' Friendship University of Russia (RUDN University), 117198 Moscow, Russia;1. Sustainable Energy Research Group, Energy & Climate Change Division, Faculty of Engineering and the Environment, University of Southampton, University Road, Southampton S017 1BJ, United Kingdom;2. Department of Civil and Environmental Engineering, Chalmers University of Technology, SE-412 96 Göteborg, Sweden;1. Seafloor Hydrothermal Activity Laboratory of the Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;2. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China;1. Institute of Chemistry, Federal University of Goiás, C. Postal 131, CEP 74001-970 Goiânia, GO, Brazil;2. Laboratory of Applied Catalysis, Department of Chemical Engineering, Federal University of Sao Carlos, Rodovia Washington Luis Km 235, C. Postal 676, CEP 13565-905 São Carlos, SP, Brazil;1. Department of Theoretical and Experimental Electrical Engineering, Brno University of Technology, Technicka 3082/12, 616 00 Brno, Czech Republic;2. ASCR, Institute of Scientific Instruments, Kralovopolska 147, 612 64 Brno, Czech Republic
Abstract:The influence of a term ΣνFνVν4 in a conventional BCS pairing calculation is investigated. For a large values of Fν we find in a variation calculation new type calculation new types of minimas which roughly correspond to an excitation of a pair out from the Fermi sea. This could explain some irregularities in the nuclear systematics and especially the strange 12 role=presentation style=font-size: 90%; display: inline-block; position: relative;>12 gound-state spin of the silver and rhodium isotopes can (at least qualitatively) be understood in this picture.
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