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Initial-state splitting kernels in cold nuclear matter
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DOI：10.1016/j.physletb.2016.07.054.png)
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Abstract
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We derive medium-induced splitting kernels for energetic partons that undergo interactions in dense QCD matter before a hard-scattering event at large momentum transfer Q(2). Working in the framework of the effective theory SCETG, we compute the splitting kernels beyond the soft gluon approximation. We present numerical studies that compare our new results with previous findings. We expect the full medium-induced splitting kernels to be most relevant for the extension of initial-state cold nuclear matter energy loss phenomenology in both p+A and A+A collisions. (C) 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license.
Keywords:
COLLINEAR EFFECTIVE THEORY
ENERGY-LOSS
P PLUS
MULTIPLE-SCATTERING
COLLISIONS
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