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      Soft-collinear effective theory for hadronic and nuclear collisions: The evolution of jet quenching from RHIC to the highest LHC energies

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          Abstract

          In the framework of soft-collinear effective theory with Glauber gluons, results and predictions for inclusive hadron suppression, based upon in-medium parton shower evolution, are presented for Au+Au and Pb+Pb collisions at RHIC and LHC energies \(\sqrt{s}=200\) AGeV and \(\sqrt{s}=2.76, \, 5.1\) ATeV, respectively. The \(\rm SCET_G\) medium-induced splitting kernels are further implemented to evaluate the attenuation of reconstructed jet cross in such reactions and to examine their centrality and radius \(R\) dependence. Building upon a previously developed method to systematically resum the jet shape at next-to-leading logarithmic accuracy, a quantitative understanding of the jet shape modification measurement in Pb+Pb collisions at \(\sqrt{s}=2.76\) ATeV at the LHC can be achieved. Predictions for photon-tagged jet cross sections and shapes, that can shed light on the parton flavor dependence of in-medium parton shower modification, are also given.

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          Journal
          1601.00015

          High energy & Particle physics,Nuclear physics
          High energy & Particle physics, Nuclear physics

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