Soft photon and two hard jets forward production in proton-nucleus collisions

Abstract

We calculate the cross section for production of a soft photon and two hard jets in the forward rapidity region in proton-nucleus collisions at high energies. The calculation is performed within the hybrid formalism. The hardness of the final particles is defined with respect to the saturation scale of the nucleus. We consider both the correlation limit of small momentum imbalance and the dilute target limit where the momentum imbalance is of the order of the hardness of the jets. The results depend on the first two transverse-momentum-dependent (TMD) gluon distributions of the nucleus.

arXiv comment39 pages, 4 figures

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• Quarks at next-to-eikonal accuracy in the CGC I: Forward quark-nucleus scattering
• Low-$x$ improved TMD approach to the lepto- and hadroproduction of a heavy-quark pair
• Isolated photon-hadron production in high energy $pp$ and $pA$ collisions at RHIC and LHC
• TMD factorization for dijets + photon production from the dilute-dense CGC framework
• Multiparticle Production at Mid-Rapidity in the Color-Glass Condensate
• Quark TMDs from back-to-back dijet production at forward rapidities in pA collisions beyond eikonal accuracy in the CGC