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Title: Geometrical scaling of direct-photon production in hadron collisions from RHIC to the LHC

Journal Article · · Physics Letters. Section B
 [1];  [2]
  1. Inst. For Nuclear Physics, Munster (Germany); GSI-Darmstadt (Germany). ExtreMe Matter Inst. (EMMI)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); China Central Normal Univ., Wuhan (China). Physics Dept.

Geometric scaling is a property of hadronic interactions predicted by theories of gluon saturation and expressing rates in terms of dimensionless ratios of transverse momentum to the saturation momentum. In this paper we consider production of photons in pp, dAu and AuAu collisions at √sNN= 200 GeV (RHIC) and in PbPb collisions at √sNN= 2760 GeV (LHC) and show that the yield of direct photons in the transverse momentum range 1 GeV

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
AC02-98CH10886
OSTI ID:
1166722
Report Number(s):
BNL-107055-2014-JA; R&D Project: KB0301020
Journal Information:
Physics Letters. Section B, Vol. 734; ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

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