A first estimation of chiral four-nucleon force effects in 4He

Details A first estimation of chiral four-nucleon force effects in 4He A first estimation of chiral four-nucleon force effects in 4He

2006-06-12

arxiv.org/abs/nucl-th/0606017v1

Acta Phys.Polon. B37 (2006) 2889-2904

Physics

Nuclear Physics

Nuclear Theory

13 pages, 4 eps figures, 3 tables

Scientific paper

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.

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