Quenching of hadron spectra in DIS on nuclear targets

Details Quenching of hadron spectra in DIS on nuclear targets Quenching of hadron spectra in DIS on nuclear targets

2003-06-24

arxiv.org/abs/hep-ph/0306235v2

Eur.Phys.J.C30:213-221,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 8 figures

Scientific paper

10.1140/epjc/s2003-01289-x

The multiple scatterings incurred by a hard quark produced in a nuclear medium induce the emission of soft gluons which carry a fraction of the quark energy and eventually affect the hadronization process. Here, the depletion of semi-inclusive hadron spectra in DIS on various nuclei (N, Ne, Cu, Kr) is computed as a function of nu and z to leading order in alpha_s through medium-modified fragmentation functions. Using the transport coefficient q previously determined from Drell-Yan production, the predictions are found to be in good agreement with EMC and HERMES preliminary data. Calculations on Xe targets are also presented and discussed.

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