Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at ${\sqrt{\bf{s}_{\mathrm {\bf{NN}}}}}$ = 2.76 TeV - Laboratoire Leprince-Ringuet Accéder directement au contenu
Article Dans Une Revue Journal of High Energy Physics Année : 2015

Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at ${\sqrt{\bf{s}_{\mathrm {\bf{NN}}}}}$ = 2.76 TeV

J. Adam
Laurent Aphecetche
Guillaume Batigne
B. Cheynis
B. Erazmus
  • Fonction : Auteur
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Marie Germain
Philippe Pillot
C. Roy
Alexandre Shabetai
Diego Stocco

Résumé

We report the measurement of a new observable of jet quenching in central Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV, based on the semi-inclusive rate of charged jets recoiling from a high transverse momentum (high-$p_{\rm T}$) charged hadron trigger. Jets are measured using collinear-safe jet reconstruction with infrared cutoff for jet constituents of 0.15 GeV/$c$, for jet resolution parameters $R = 0.2$, 0.4 and 0.5. Underlying event background is corrected at the event-ensemble level, without imposing bias on the jet population. Recoil jet spectra are reported in the range $20

Dates et versions

in2p3-01163574 , version 1 (15-06-2015)

Identifiants

Citer

J. Adam, Laurent Aphecetche, B. Audurier, A. Baldisseri, Guillaume Batigne, et al.. Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at ${\sqrt{\bf{s}_{\mathrm {\bf{NN}}}}}$ = 2.76 TeV. Journal of High Energy Physics, 2015, 09, pp.170. ⟨10.1007/JHEP09(2015)170⟩. ⟨in2p3-01163574⟩
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