Jet tomography of high-energy nucleus-nucleus collisions at next-to-leading order

Details Jet tomography of high-energy nucleus-nucleus collisions at next-to-leading order Jet tomography of high-energy nucleus-nucleus collisions at next-to-leading order

2009-10-06

arxiv.org/abs/0910.1090v2

Phys.Rev.Lett.104:132001,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 eps figures, 1 table. As published in PRL.

Scientific paper

10.1103/PhysRevLett.104.132001

We demonstrate that jet observables are highly sensitive to the characteristics of the vacuum and the in-medium QCD parton showers and propose techniques that exploit this sensitivity to constrain the mechanism of quark and gluon energy loss in strongly-interacting plasmas. As a first example, we calculate the inclusive jet cross section in high-energy nucleus-nucleus collisions to ${\cal O}(\alpha_s^3)$. Theoretical predictions for the medium-induced jet broadening and the suppression of the jet production rate due to cold and hot nuclear matter effects in Au+Au and Cu+Cu reactions at RHIC are presented.

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