Mar 23 – 27, 2020
Brooklyn, NY
US/Eastern timezone

Unpolarized and Helicity Isovector Nucleon Parton Distribution Functions on Superfine Lattice

Mar 24, 2020, 12:15 PM
15m
Brooklyn, NY

Brooklyn, NY

333 Adams Street, Brooklyn, New York 11201, USA
Contributed Talk Structure Functions and Parton Densities Structure function and parton densities

Speaker

Mr Xiang Gao (BNL)

Description

We present new lattice QCD calculations for unpolarized and helicity isovector parton distribution functions of nucleons. Lattice QCD calculations were carried out within the framework of large momentum effective theory (LaMET), using a superfine lattice spacing 0.042 fm and boosted nucleons with momenta up to 2.31 GeV. We compare our QCD-based results with those obtained from global fits, and test ranges of applicability of the LaMET approach in realistic lattice QCD calculations.

Primary authors

Mr Zhouyou Fan (MSU) Mr Xiang Gao (BNL) Ruizi Li (Indiana University) Huey-Wen Lin (Michigan State University) Dr Nikhil Karthik (BNL) Swagato Mukherjee (BNL) Dr Peter Petreczky (BNL) Dr Sergey Syritsyn (Stony Brook University and RIKEN-BNL) Mr Yi-Bo Yang Mr Rui Zhang

Presentation materials

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