Forward Quark Jets from Protons Shattering the Colored Glass

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Abstract

We consider the single-inclusive minijet cross section in pA at forward rapidity within the Color Glass Condensate model of high energy collisions. We show that the nucleus appears black to the incident quarks except for very large impact parameters. A markedly flatter p_t distribution as compared to QCD in the dilute perturbative limit is predicted for transverse momenta about the saturation scale, which could be as large as Q_s^2 ~ 10 GeV^2 for a gold nucleus boosted to rapidity ~10 (as at the BNL-RHIC).

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Gluon Distribution Functions for Very Large Nuclei at Small Transverse Momentum

Larry McLerran, Raju Venugopalan (1993)

We show that the gluon distribution function for very large nuclei may be computed for small transverse momentum as correlation functions of an ultraviolet finite two dimensional Euclidean field theory. This computation is valid to all orders in the density of partons per unit area, but to lowest order in \(\alpha_s\). The gluon distribution function is proportional to \(1/x\), and the effect of the finite density of partons is to modify the dependence on transverse momentum for small transverse momentum.

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Gluon Production at High Transverse Momentum in the McLerran-Venugopalan Model of Nuclear Structure Functions

Alex Kovner, Larry McLerran, Heribert Weigert (1995)

We consider the production of high transverse momentum gluons in the McLerran-Venugopalan model of nuclear structure functions. We explicitly compute the high momentum component in this model. We compute the nuclear target size \(A\) dependence of the distribution of produced gluons.