Nucleon Quark and Gluon Parton Distributions from Lattice QCD in the Continuum Limit
ORAL
Abstract
We present the $x$-dependent nucleon quark and gluon parton distributions from lattice QCD on ensembles of $2+1+1$ flavors of highly improved staggered quarks (HISQ), generated by MILC Collaboration. We use three lattice spacings $a\approx 0.9, 0.12$ and 0.15~fm and multiple pion masses. We extrapolate our results to physical pion mass and the continuum limit, and compare our results with global fits.
*The work of HL are partially supported by the US National Science Foundation under grant PHY 1653405 ``CAREER: Constraining Parton Distribution Functions for New-Physics Searches'' and by the Research Corporation for Science Advancement through the Cottrell Scholar Award.
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Presenters
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Huey-Wen Lin
- Michigan State University