Final state interactions and hadron quenching in cold nuclear matter

Abstract

I examine the role of final state interactions in cold nuclear matter in modifying hadron production on nuclear targets with leptonic or hadronic beams. I demonstrate the extent to which available experimental data in electron-nucleus collisions can give direct information on final state effects in hadron-nucleus and nucleus-nucleus collisions. For hadron-nucleus collisions, a theoretical estimate based on a parton energy loss model tested in lepton-nucleus collisions shows a large effect on mid-rapidity hadrons at fixed target experiments. At RHIC energy, the effect is large for negative rapidity hadrons, but mild at midrapidity. This final state cold hadron quenching needs to be taken into account in jet tomographic analysis of the medium created in nucleus-nucleus collisions.

14 pages, 7 figures

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Cited by in corpus (10)

• Jet physics in heavy-ion collisions
• Measurement of charged jet production cross sections and nuclear modification in p-Pb collisions at $\sqrt{s_\rm{NN}} = 5.02$ TeV
• Transverse momentum broadening of hadrons produced in semi-inclusive deep-inelastic scattering on nuclei
• Revisiting scaling properties of medium-induced gluon radiation
• Centrality dependence of charged jet production in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• (medium-modified) Fragmentation Functions
• Determination of electron-nucleus collision geometry with forward neutrons
• Parton fragmentation in the vacuum and in the medium
• Production of $\Lambda$ and ${\mathrm{K}}_{\mathrm{S}}^0$ in jets in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV and pp collisions at $\sqrt{s}=7$ TeV
• The Emerging QCD Frontier: The Electron Ion Collider