Nuclear modification of forward Drell-Yan production at the LHC

B. Ducloué
Phys. Rev. D 96, 094014 – Published 17 November 2017

Abstract

Forward Drell-Yan production at high energy can provide important constraints on gluon densities at small x, in the saturation regime. In this work, we focus on the nuclear modification of this process, which could be measured at the LHC in the near future. For this, we employ the color dipole approach, using the optical Glauber model to relate the dipole cross section of a nucleus to the one of a proton. Combining these results with our earlier results for forward J/ψ production, we compute the ratio of the nuclear modification factors of these two processes. This observable was recently suggested as a way to distinguish between initial and final state effects in forward particle production.

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  • Received 15 February 2017

DOI:https://doi.org/10.1103/PhysRevD.96.094014

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

B. Ducloué

  • University of Jyväskylä, Department of Physics, P.O. Box 35, FI-40014 University of Jyväskylä, Finland and Helsinki Institute of Physics, P.O. Box 64, FI-00014 University of Helsinki, Finland

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Issue

Vol. 96, Iss. 9 — 1 November 2017

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