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Nuclear forces from chiral Lagrangians using the method of unitary transformation I: Formalism | | E. Epelbaoum
; W. Glöckle
; Ulf-G. Mei{ss}ner
; | | Date: |
29 Dec 1997 | | Journal: | Nucl.Phys. A637 (1998) 107-134 | | Subject: | nucl-th hep-ph | | Abstract: | We construct the two- and three-nucleon potential based on the most general chiral effective pion-nucleon Lagrangian using the method of unitary transformations. For that, we develop a power counting scheme consistent with this projection formalism. In contrast to previous results obtained in old-fashioned time-ordered perturbation theory, the method employed leads to energy-independent potentials. We discuss in detail the similarities and differences to the existing chiral nucleon-nucleon potentials. We also show that to leading order in the power counting, the three-nucleon forces vanish lending credit to the result obtained by Weinberg using old-fashioned time-ordered perturbation theory. | | Source: | arXiv, nucl-th/9801064 | | Services: | Forum | Review | PDF | Favorites | |
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