The effective nuclear potential |
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| Affiliation: | 1. Physik-Department, Technische Universität München, D-85747 Garching, Germany;2. Centre de Sciences Nucléaires et Sciences de la Matière, CNRS/IN2P3, Université Paris-Saclay, Bât. 104-108, 91405 Orsay, France;3. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China;4. Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan;5. Department of Physics, University of Stellenbosch, Stellenbosch, South Africa;1. Triangle Universities Nuclear Laboratory, Durham, NC 27708-0308, United States;2. Department of Physics, North Carolina State University, Raleigh, NC 27695-8202, United States;3. Department of Physics, Duke University, Durham, NC 27708-0305, United States;4. Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30303, United States;1. Nuclear Physics Department, Taras Shevchenko National University, Kyiv, Ukraine;2. NAPC—Nuclear Data Section, International Atomic Energy Agency, Vienna, Austria;1. Ramjas College, University of Delhi, Delhi, 110007, India;2. RKG Institute of Technology, Ghaziabad, 201003, India;3. Yobe State University, Damaturu, 600213 (PMB 1144), Nigeria |
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| Abstract: | An empirical analysis is made of the mean effective internucleon potential required in the shell-model description of nuclei, allowing for the presence of many-body effects as suggested by current theory. A consistent description is found in which the effective two-body interaction acts almost entirely in even states, and the many-body effects are simulated by a repulsive three-body contact interaction. The strength of the two-body interaction is consistent with that expressed by the free scattering matrix of the two-nucleon system, and that of the three-body interaction with the ‘rearrangement energy’ calculated in the many-body theory. |
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