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The c-term of the TM 3-body Force: to be or not to be | | H. Kamada
; D. Hueber
; A. Nogga
; | | Date: |
22 Apr 1999 | | Journal: | Few Body Syst. 30 (2001) 121-129 | | Subject: | nucl-th | | Affiliation: | 1,2), D. Hueber (1,3), A. Nogga ( Institut fuer Theoretische Physik II, Ruhr-Universitaet Bochum, Bochum, Germany Institut fuer Strahlen- und Kernphysik der Universitaeat Bonn, Bonn, Germany Theoretical Division, Los Alamos National Laboratory, Los | | Abstract: | In Faddeev calculations of ^3Hwe study the dependence of the binding on the three nucleon force. We adopt the 2 pi -exchange Tucson-Melbourne three-nucleon force and investigate phenomenologically the dependence on the strength of the individual three-body force operators (a -, b -, c - and d -terms). While the a -term provides a tiny contribution the b - and d -terms provides a tiny contribution the b - and d -terms are important to gain the experimental binding energy. We find two solutions for the c -term, one around the value used in the Tucson-Melbourne model and a new one close to zero, which supports the recentrecommendation of chiral perturbation theory that the short-range c -term should be dropped. | | Source: | arXiv, nucl-th/9904060 | | Services: | Forum | Review | PDF | Favorites | |
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