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Quenching of hadron spectra in DIS on nuclear targets

  • theoretical physics
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Abstract.

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 \(\alpha_{\mathrm {s}}\) through medium-modified fragmentation functions. Using the transport coefficient \(\hat{q}\) 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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Authors and Affiliations

  1. ECT* and INFN, G.C. di Trento, Strada delle Tabarelle, 286, 38050, Villazzano (Trento), Italy

    F. Arleo

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  1. F. Arleo
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Received: 24 June 2003, Published online: 20 August 2003

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Arleo, F. Quenching of hadron spectra in DIS on nuclear targets. Eur. Phys. J. C 30, 213–221 (2003). https://doi.org/10.1140/epjc/s2003-01289-x

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  • DOI: https://doi.org/10.1140/epjc/s2003-01289-x

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