Longitudinal Broadening of Quenched Jets in Turbulent Color Fields

Abstract

The near-side distribution of particles at intermediate transverse momentum, associated with a high momentum trigger hadron produced in a high energy heavy-ion collision, is broadened in rapidity compared with the jet cone. This broadened distribution is thought to contain the energy lost by the progenitor parton of the trigger hadron. We show that the broadening can be explained as the final-state deflection of the gluons radiated from the hard parton inside the medium by soft, transversely oriented, turbulent color fields that arise in the presence of plasma instabilities. The magnitude of the effect is found to grow with medium size and density and diminish with increasing energy of the associated hadron.

4 pages, 2 figures, Revtex4, revised version, improved abstract and introduction

References in corpus (4)

• Momentum Broadening in an Anisotropic Plasma
• Anomalous Transport Processes in Anisotropically Expanding Quark-Gluon Plasmas
• Delta- phi Delta- eta Correlations in Central Au+Au Collisions at sqrt{s_{NN}} = 200 Gev
• Parton Energy Loss at Twist-Six in Deeply Inelastic e-A Scattering

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