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Title: Direct Probes of Linearly Polarized Gluons inside Unpolarized Hadrons

Journal Article · · Phys.Rev.Lett.106:132001,2011

We show that the unmeasured distribution of linearly polarized gluons inside unpolarized hadrons can be directly probed in jet or heavy quark pair production both in electron-hadron and hadron-hadron collisions. We present expressions for the simplest cos 2{phi} asymmetries and estimate their maximal value in the particular case of electron-hadron collisions. Measurements of the linearly polarized gluon distribution in the proton should be feasible in future EIC or LHeC experiments.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-76SF00515
OSTI ID:
1004933
Report Number(s):
SLAC-PUB-14294; arXiv:1011.4225; TRN: US1101030
Journal Information:
Phys.Rev.Lett.106:132001,2011, Vol. 106, Issue 13; ISSN 0031--9007
Country of Publication:
United States
Language:
English