Browsing by Author "INAAM ULLAH ZAHEER"

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    Dressed quark propagator in quantum chromo dynamics (QCD)
    (UMT, Lahore, 2017) INAAM ULLAH ZAHEER
    We use Schwinger Dyson equation to study dressed quark propagator by using Maris-Tandy model of dressed gluon propagator and bare quark-gluon vertex of quantum chromo dynamics (QCD).The model of gluon propagator conserves the one loop perturbative behavior and has IR enhancement required for generating the dynamical quark mass. The quark propagator is calculated in the chiral limit as well as for non-zero current quark mass. We solve Schwinger Dyson equation of quark propagator in Euclidean space and investigate the dressed quark propagator and compare its results with the results of lattice calculations.