Three-nucleon low-energy constants from the consistency of interactions and currents in chiral effective field theory

Doron Gazit*, Sofia Quaglioni, Petr Navrátil

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

227 Scopus citations

Abstract

The chiral low-energy constants cD and cE are constrained by means of accurate abinitio calculations of the A=3 binding energies and, for the first time, of the triton β decay. We demonstrate that these low-energy observables allow a robust determination of the two undetermined constants, a result of the surprising fact that the determination of cD depends weakly on the short-range correlations in the wave functions. These two- plus three-nucleon interactions, originating in chiral effective field theory and constrained by properties of the A=2 system and the present determination of cD and cE, are successful in predicting properties of the A=3 and 4 systems.

Original languageAmerican English
Article number102502
JournalPhysical Review Letters
Volume103
Issue number10
DOIs
StatePublished - 1 Sep 2009
Externally publishedYes

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