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
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
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https://in2p3.hal.science/in2p3-01163574
Soumis le : lundi 15 juin 2015-08:29:06
Dernière modification le : mardi 17 septembre 2024-15:54:55
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Identifiants
- HAL Id : in2p3-01163574 , version 1
- ARXIV : 1506.03984
- DOI : 10.1007/JHEP09(2015)170
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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