Light meson form factors in N_f=2+1 QCD with dynamical overlap quarks

G. Cossu; H. Fukaya; JLQCD Collaboration: T. Kaneko; J. Noaki; S. Aoki; S. Hashimoto; T. Onogi

Light meson form factors in N_f=2+1 QCD with dynamical overlap quarks

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arxiv 1012.0137 v1 pith:NPKDX4D4 submitted 2010-12-01 hep-lat

Light meson form factors in N_f=2+1 QCD with dynamical overlap quarks

JLQCD Collaboration: T. Kaneko , S. Aoki , G. Cossu , H. Fukaya , S. Hashimoto , J. Noaki , T. Onogi This is my paper

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We report on our calculation of pion and kaon form factors in three-flavor QCD using the overlap quark action. Gauge ensembles are generated on a 16^3 \times 48 lattice at a lattice spacing of 0.11 fm with pion masses down to 310 MeV. Connected and disconnected meson correaltors are calculated using the all-to-all quark propagator. We present our preliminary analysis on the chiral behavior of the electromagnetic and scalar form factors as well as a comparison of the shape of the K to pi form factors with experiment.

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Mellin Moments of Pion and Kaon Unpolarized PDFs from Nonlocal Operators in Lattice QCD
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First lattice QCD results for Mellin moments of pion and kaon unpolarized PDFs from nonlocal operator matrix elements on a 32^3×64 twisted-mass ensemble at m_π=260 MeV, extracted at NNLO and μ=2 GeV.