18-22 October 2021
Matsue, Shimane Prefecture, Japan
Asia/Tokyo timezone

transverse spin sum rules

21 Oct 2021, 08:40
Room 501 (Kunibiki Messe)

Room 501

Kunibiki Messe

Parallel Session keynote talk (by invitation only) Nucleon Helicity Structure Joint GPD - Helicity session


Prof. XIANGDONG JI (University of Maryland)


There are two transverse spin sum rules for the proton: One involves twist-2 GPDs, which has a partonic interpretation, and the other involves twist-3 distributions including the well-know spin structure function g_2. I will explain the origin and physics of these two spin sum rules.

Primary author

Prof. XIANGDONG JI (University of Maryland)

Presentation Materials