Multiple scattering and energy loss in semi-inclusive deeply inelastic eA scattering

Details Multiple scattering and energy loss in semi-inclusive deeply inelastic eA scattering Multiple scattering and energy loss in semi-inclusive deeply inelastic eA scattering

2007-05-29

arxiv.org/abs/0705.4211v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 12 figures

Scientific paper

We calculate the multiple scattering effect on single hadron production in semi-inclusive lepton-nucleus deeply inelastic scattering. We show that the quantum interference of multiple scattering amplitudes leads to suppression in hadron productions. At the leading power in medium length, the suppression can be approximately expressed in terms of a shift in $z$ of the fragmentation function $D(z)$, and could be therefore interpreted as the collisional energy loss. We compare our calculation with existing experimental data. We also discuss the effect of quark mass on the suppression. Our approach can be extended to other observables in hadronic collisions.

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