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29 March 2024 |
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Effects of Instantons on the Excited Baryons and Two-Nucleon Systems | Sachiko Takeuchi
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1 Oct 1995 | Journal: | Phys.Rev. D53 (1996) 6619-6631 | Subject: | nucl-th hep-ph | Abstract: | The effects of the spin-orbit and the tensor parts of the instanton-induced interaction on the excited nonstrange baryons up to $N$=2 and on the two-nucleon systems are investigated. The spin-orbit force from the instanton-induced interaction cancels most of that from the one-gluon exchange in the excited baryons while the spin-orbit force in the nucleon systems remains strong after the inclusion of the instanton-induced interaction. The model including the spin-orbit and the tensor terms of the instanton-induced interaction as well as the one-gluon exchange is found to reproduce successfully the excited baryon mass spectrum and the scattering phase shifts of two nucleons in the spin-triplet relative $P$-wave state. | Source: | arXiv, nucl-th/9509046 | Other source: | [GID 130365] pmid10019944 | Services: | Forum | Review | PDF | Favorites |
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