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24 April 2024

» arxiv » nucl-th/0606017

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A first estimation of chiral four-nucleon force effects in 4He
D. Rozpedzik ; J. Golak ; R. Skibinski ; H. Witala ; W. Gloeckle ; E. Epelbaum ; A. Nogga ; H. Kamada ;
Date:	12 Jun 2006
Abstract:	We estimate four-nucleon force effects between different 4He wave functions by calculating the expectation values of four-nucleon potentials which were recently derived within the framework of chiral effective field theory. We find that the four-nucleon force is attractive for the wave functions with a totally symmetric momentum part. The additional binding energy provided by the long-ranged part of the four-nucleon force is of the order of a few hundred keV.
Source:	arXiv, nucl-th/0606017
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