EPJ Web Conf.
Volume 137, 2017XIIth Quark Confinement and the Hadron Spectrum
|Number of page(s)||7|
|Section||Section D: Deconfinement|
|Published online||22 March 2017|
Jets in Pb–Pb collisions at ALICE
1 University of Tsukuba, Tsukuba, Japan
2 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
a e-mail: firstname.lastname@example.org
Published online: 22 March 2017
We report results on jet production in Pb–Pb collisions at √sNN = 2.76 TeV from the ALICE collaboration. The nuclear modification factor of jets reconstructed with a resolution parameter R=0.2 shows a strong, centrality dependent suppression with respect to pp collisions. The azimuthal anisotropy of charged jet production relative to the event plane is studied. In semi-peripheral events, a significant υ2ch jet is observed, indicating path-length dependent in-medium parton energy loss. The measurement of jet shapes allows characterizing the intra-jet momentum flow of quenched jets. The measured radial moment and dispersion of the constituent transverse momentum distribution indicate a collimation and hardening of the jet core in Pb–Pb relative to pp collisions.
© The Authors, published by EDP Sciences, 2017
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