Results from 2+1 flavours of SLiNC fermions

Details Results from 2+1 flavours of SLiNC fermions Results from 2+1 flavours of SLiNC fermions

2009-10-15

arxiv.org/abs/0910.2963v1

PoS LAT2009:102,2009

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages; talk given at the XXVII International Symposium on Lattice Field Theory, July 26-31 2009, Peking University, Beijing,

Scientific paper

QCD results are presented for a 2+1 flavour fermion clover action (which we call the SLiNC action). A method of tuning the quark masses to their physical values is discussed. In this method the singlet quark mass is kept fixed, which solves the problem of different renormalisations (for singlet and non-singlet quark masses) occuring for non-chirally invariant lattice fermions. This procedure enables a wide range of quark masses to be probed, including the case with a heavy up-down quark mass and light strange quark mass. Preliminary results show the correct splittings for the baryon (octet and) decuplet spectrum.

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