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Sigma-terms and axial charges for hyperons and charmed baryons

Abstract

We present results for the Οƒ\sigma-terms and axial charges for various hyperons and charmed baryons using Nf=2+1+1N_f=2+1+1 twisted mass fermions. For the computation of the three-point function we use the fixed current method. For one of the Nf=2+1+1N_f=2+1+1 ensembles with pion mass of 373 MeV we compare the results of the fixed current method with those obtained with a stochastic method for computing the all-to-all propagator involved in the evaluation of the three point functions.Comment: Talk presented at 31st International Symposium on Lattice Field Theory LATTICE 2013, July 29 - August 3, 2013, Mainz, Germany, PoS(LATTICE 2013)279. 7 pages and6 figure

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