Published February 1, 2009
| Version v1
Journal article
Calculation of hyperon axial couplings from lattice QCD
Creators
- 1. Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606 (United States)
- 2. Department of Physics, College of William and Mary, P.O. Box 8795, Williamsburg, Virginia 23187 (United States)
Description
In this work, we report the first lattice calculation of hyperon axial couplings, using the 2+1-flavor MILC configurations and domain-wall fermion valence quarks. Both the Σ and Ξ axial couplings are computed for the first time in lattice QCD. In particular, we find that gΣΣ=0.450(21)stat(27)syst and gΞΞ=-0.277(15)stat(19)syst.
Additional details
Identifiers
- DOI
- 10.1103/PhysRevD.79.034507;
- arXiv
- arXiv:0712.1214v1;
Publishing Information
- Journal Title
- Physical Review. D, Particles Fields
- Journal Volume
- 79
- Journal Issue
- 3
- Journal Page Range
- p. 034507-034507.6
- ISSN
- 0556-2821
- CODEN
- PRVDAQ
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 41010762
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- AXIAL SYMMETRY; COMPUTERIZED SIMULATION; CONFIGURATION; COUPLING; FLAVOR MODEL; HYPERONS; LATTICE FIELD THEORY; QUANTUM CHROMODYNAMICS; QUARKS; VALENCE
- Descriptors DEC
- BARYONS; COMPOSITE MODELS; CONSTRUCTIVE FIELD THEORY; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; HADRONS; MATHEMATICAL MODELS; PARTICLE MODELS; QUANTUM FIELD THEORY; QUARK MODEL; SIMULATION; STRANGE PARTICLES; SYMMETRY
Optional Information
- Notes
- (c) 2009 The American Physical Society