Baryon Axial Charges and Momentum Fractions with N_f=2+1 Dynamical Fermions

Details Baryon Axial Charges and Momentum Fractions with N_f=2+1 Dynamical Fermions Baryon Axial Charges and Momentum Fractions with N_f=2+1 Dynamical Fermions

2011-02-16

arxiv.org/abs/1102.3407v1

PoS Lattice2010:163,2010

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, Talk presented at the XXVIII International Symposium on Lattice Filed Theory, Lattice2010, June 14-19,2010, Villasimi

Scientific paper

We report on recent results of the QCDSF/UKQCD Collaboration on investigations of baryon structure using configurations generated with N_f=2+1 dynamical flavours of O(a) improved Wilson fermions. With the strange quark mass as an additional dynamical degree of freedom in our simulations we avoid the need for a partially quenched approximation when investigating the properties of particles containing a strange quark, e.g. the hyperons. In particular, we will focus on the nucleon and hyperon axial charges and quark momentum fractions.

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