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Aug 16 – 21, 2019
Guilin Bravo Hotel, Guilin, China
Asia/Shanghai timezone

GPD Measurements at COMPASS

Aug 20, 2019, 8:30 AM
25m
Guihu Room (Guilin Bravo Hotel, Guilin, China)

Guihu Room

Guilin Bravo Hotel, Guilin, China

14 South Ronghu Road, Xiangshan, Guilin 541002, Guangxi, China
Leading parallel Session 6: QCD and hadron structure Session 6: QCD and hadron structure

Speaker

Po-Ju Lin (IPN-Orsay, CNRS/IN2P3)

Description

Encapsulating the transverse position of partons as functions of their longitudinal momentum, Generalized Parton Distributions (GPDs) go beyond the 1-dimensional description of the partonic structure of the nucleon and provides a 3-dimensional picture of the nucleon. GPDs have drawn considerable theoretical interest and been studied by experimental efforts through processes such as Deeply Virtual Compton Scattering (DVCS) or Hard Exclusive Meson Production (HEMP). At COMPASS, the 160 GeV polarized muon beams were employed for the GPD study in the kinematic domain where sea quarks are expected to contribute significantly. After a successful pilot run during 2012, COPASS proceeded to have dedicated runs in 2016-17 and had about 10 times more data accumulated. In this presentation, some of the resent results on GPD measurements at COMPASS will be given.

Primary author

Po-Ju Lin (IPN-Orsay, CNRS/IN2P3)

Presentation materials