Sigma-terms and axial charges for hyperons and charmed baryons

C. Alexandrou (Univ. of Cyprus , The Cyprus Inst.) , K. Hadjiyiannakou (Univ. of Cyprus) , K. Jansen (DESY-Zeuthen) , Ch. Kallidonis (The Cyprus Inst.)

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classification ✦ hep-lat hep-phnucl-th

keywords methodaxialbaryonschargescharmedcurrentfixedhyperons

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We present results for the $\sigma$-terms and axial charges for various hyperons and charmed baryons using $N_f=2+1+1$ twisted mass fermions. For the computation of the three-point function we use the fixed current method. For one of the $N_f=2+1+1$ 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.

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Sigma-terms and axial charges for hyperons and charmed baryons

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