Present Constraints on the H-dibaryon at the Physical Point from Lattice QCD
High Energy Physics - Lattice
2015-05-27 v2 High Energy Physics - Phenomenology
Nuclear Experiment
Nuclear Theory
Abstract
The current constraints from lattice QCD on the existence of the H-dibaryon are discussed. With only two significant lattice QCD calculations of the H-dibaryon binding energy at approximately the same lattice spacing, the forms of the chiral and continuum extrapolations to the physical point are not determined. In this brief report, we consider the constraints on the H-dibaryon imposed by two simple chiral extrapolations. In both instances, the extrapolation to the physical pion mass allows for a bound H-dibaryon or a near-threshold scattering state. Further lattice QCD calculations are required to clarify this situation.
Keywords
Cite
@article{arxiv.1103.2821,
title = {Present Constraints on the H-dibaryon at the Physical Point from Lattice QCD},
author = {S. R. Beane and E. Chang and W. Detmold and B. Joo and H. W. Lin and T. C. Luu and K. Orginos and A. Parreno and M. J. Savage and A. Torok and A. Walker-Loud},
journal= {arXiv preprint arXiv:1103.2821},
year = {2015}
}
Comments
8 pages, 2 figures, 1 table; revised for the journal