Probing colored glass via $q\bar{q}$ photoproduction

Abstract

In this paper, we calculate the cross-section for the photoproduction of quark-antiquark pairs in the peripheral collision of ultra-relativistic nuclei, by treating the color field of the nuclei within the Color Glass Condensate model. We find that this cross-section is sensitive to the saturation scale $Q_s^2$ that characterizes the model. In particular, the transverse momentum spectrum of the produced pairs could be used to measure the properties of the color glass condensate.

25 pages LaTeX document - A reference and some footnotes added (version to appear in Nucl. Phys. A)

References in corpus (2)

• The Renormalization Group Equation for the Color Glass Condensate
• Saturation and Universality in QCD at small x

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