Prospects for forward photon measurements at LHC
1 National Institute for Subatomic Physics Nikhef, PO Box 41882, 1009 DB Amsterdam, Netherlands
2 Institute for Subatomic Physics, Utrecht University, PO Box 80000, 3508 TA Utrecht, Netherlands
a e-mail: email@example.com
Published online: 21 March 2016
We present the opportunities to experimentally probe the gluon density at small x in nuclei to explore non-linear gluon evolution, saturation and the physics of the Color Glass Condensate by measuring photon production at forward rapidity in proton-nucleus collisions at the LHC. Performance studies for π0 and direct photon measurements based on simulations of a Forward Calorimeter (FoCal), which is under consideration as an upgrade for the ALICE detector, are presented. Other aspects of the FoCal physics program for pp, p+Pb and Pb+Pb collisions are briefly discussed as well.
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