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Reconstruction of light-cone parton distribution functions from lattice QCD simulations at the physical point

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arxiv 1803.02685 v1 pith:TTHMZ4PJ submitted 2018-03-07 hep-lat hep-exhep-phnucl-th

Reconstruction of light-cone parton distribution functions from lattice QCD simulations at the physical point

Constantia Alexandrou , Krzysztof Cichy , Martha Constantinou , Karl Jansen , Aurora Scapellato , Fernanda Steffens This is my paper
classification hep-lat hep-exhep-phnucl-th
keywords latticedistributionfunctionspartondatalight-conemassphysical
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present the unpolarized and helicity parton distribution functions calculated within lattice QCD simulations using physical values of the light quark mass. Non-perturbative renormalization is employed and the lattice data are converted to the MSbar-scheme at a scale of 2 GeV. A matching process is applied together with target mass corrections leading to the reconstruction of light-cone parton distribution functions. For both cases we find a similar behavior between the lattice and phenomenological data, and for the polarized PDF a nice overlap for a range of Bjorken-x values. This presents a major success for the emerging field of direct calculations of quark distributions using lattice QCD.

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Cited by 4 Pith papers

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