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Title: How classical gluon fields generate odd azimuthal harmonics for the two-gluon correlation function in high-energy collisions

Journal Article · · Physical Review. D.

We show that, in the saturation/Color Glass Condensate framework, odd azimuthal harmonics of the two-gluon correlation function with a long-range separation in rapidity are generated by the higher-order saturation corrections in the interactions with the projectile and the target. At the very least, the odd harmonics require three scatterings in the projectile and three scatterings in the target. We derive the leading-order expression for the two-gluon production cross section which generates odd harmonics: the expression includes all-order interactions with the target and three interactions with the projectile. Here, we evaluate the obtained expression both analytically and numerically, confirming that the odd-harmonics contribution to the two-gluon production in the saturation framework is non-zero.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); The Ohio State Univ., Columbus, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); RIKEN
Grant/Contract Number:
SC0004286; SC0012704
OSTI ID:
1437684
Alternate ID(s):
OSTI ID: 1435744; OSTI ID: 1604433
Report Number(s):
RBRC-1272; BNL-203591-2018-JAAM; PRVDAQ; 094021
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Vol. 97 Journal Issue: 9; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 34 works
Citation information provided by
Web of Science

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