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Title: QCD analysis of near-threshold quarkonium leptoproduction at large photon virtualities

Journal Article · · Physical Review D
 [1];  [1]
  1. Brookhaven National Laboratory (BNL), Upton, NY (United States)

We propose a novel approach to compute the cross section of near-threshold J/ψ and Υ production in electron-proton scattering at large photon virtualities Q2 based on an operator product expansion. We show that the process can be used to extract the gluon part of the D-term gravitational form factor of the proton. At the subleading level, it is also sensitive to the trace anomaly effect of QCD.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Laboratory Directed Research and Development (LDRD) Program; Polish National Science Center (NCN)
Grant/Contract Number:
SC0012704; 2019/33/B/ST2/02588
OSTI ID:
1632030
Alternate ID(s):
OSTI ID: 1632267; OSTI ID: 1632394
Report Number(s):
BNL-215997-2020-JAAM; PRVDAQ; TRN: US2201093
Journal Information:
Physical Review D, Vol. 101, Issue 11; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

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Figures / Tables (2)