NPA Seminar, Yoshitaka Hatta, Brookhaven National Laboratory, “Azimuthal Angular Asymmetry of Soft Gluons in Jet Production”

Event time: 
Thursday, April 28, 2022 - 1:00pm to 2:00pm
Wright Lab WNSL, WL-216 (Conference Room) See map
272 Whitney Avenue
New Haven, CT 06511

Event description: 

We investigate the impact of soft gluon resummation on the azimuthal angle correlation between the total and relative momenta of two energetic final state particles (jets). We show that the initial and final state radiations induce sizable cos(ϕ) and cos(2ϕ) asymmetries in single jet and dijet events, respectively. We numerically evaluate the magnitude of these asymmetries for a number of processes in collider experiments, including diffractive dijet and dilepton production in ultraperipheral pA and AA collisions, inclusive and diffractive dijet production at the EIC and inclusive dijet production in pp collisions at the LHC. In particular, the cos(2ϕ) asymmetry of perturbative origin can dominate over the primordial asymmetry due to the linearly polarized gluon distribution.
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