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Updated: Jun 19, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Three-nucleon low-energy constants from the consistency of interactions and currents in chiral effective field theory
Doron Gazit1, Sofia Quaglioni, Petr Navrátil
1Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195, USA.
Abstract:
The chiral low-energy constants c(D) and c(E) are constrained by means of accurate ab initio calculations of the A = 3 binding energies and, for the first time, of the triton beta 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 c(D) 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 c(D) and c(E), are successful in predicting properties of the A = 3 and 4 systems.
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