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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Matching the quasi parton distribution in a momentum subtraction scheme

Jul 23, 2018, 2:40 PM
20m
106 (Kellogg Hotel and Conference Center)

106

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Hadron Structure Hadron Structure

Speaker

Dr Yong Zhao (Massachusetts Institute of Technology)

Description

The quasi parton distribution (quasi-PDF) is an equal-time correlation of quarks along the direction the nucleon is moving at. At large but finite nucleon momentum, the quasi parton distribution can be perturbatively matched to the PDF through a factorization formula in large momentum effective theory. Following a nonperturbative renormalization of the quasi parton distribution in a regularization independent momentum subtraction scheme, we establish its matching to the MSbar PDF and calculate the non-singlet matching coefficient at next-to-leading order in perturbation theory.

Primary author

Dr Yong Zhao (Massachusetts Institute of Technology)

Co-author

Prof. Iain Stewart (Massachusetts Institute Technology)

Presentation Materials