Transversity parton distribution functions from lattice QCD

Constantia Alexandrou; Krzysztof Cichy; Martha Constantinou; Karl Jansen; Aurora Scapellato; Fernanda Steffens

doi:10.1103/PhysRevD.98.091503

Transversity parton distribution functions from lattice QCD

High Energy Physics - Lattice 2018-12-06 v1 High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory

Authors: Constantia Alexandrou , Krzysztof Cichy , Martha Constantinou , Karl Jansen , Aurora Scapellato , Fernanda Steffens

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Abstract

We present the first direct calculation of the transversity parton distribution function within the nucleon from lattice QCD. The calculation is performed using simulations with the light quark mass fixed to its physical value and at one value of the lattice spacing. Novel elements of the calculations are non-perturbative renormalization and extraction of a formula for the matching to light-cone PDFs. Final results are presented in the $\overline{\rm MS}$ scheme at a scale of $\sqrt{2}$ GeV.

Keywords

parton distribution functions lattice qcd

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@article{arxiv.1807.00232,
  title  = {Transversity parton distribution functions from lattice QCD},
  author = {Constantia Alexandrou and Krzysztof Cichy and Martha Constantinou and Karl Jansen and Aurora Scapellato and Fernanda Steffens},
  journal= {arXiv preprint arXiv:1807.00232},
  year   = {2018}
}

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6 pages, 3 figures, 1 table

Transversity parton distribution functions from lattice QCD

Abstract

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