Measurements of the variation of inclusive jet suppression as a function of relative azimuthal angle, , with respect to the elliptic event plane provide insight into the path-length dependence of jet quenching. ATLAS has measured the dependence of jet yields in 0:14 nb1 of ffiffiffiffiffiffiffiffi sNN p ¼ 2:76 TeV Pb þ Pb collisions at the LHC for jet transverse momenta pT > 45 GeV in different collision centrality bins using an underlying event subtraction procedure that accounts for elliptic flow. The variation of the jet yield with was characterized by the parameter, vjet 2 , and the ratio of out-of-plane ( =2) to inplane ( 0) yields. Nonzero vjet 2 values were measured in all centrality bins for pT < 160 GeV. The jet yields are observed to vary by as much as 20% between in-plane and out-of-plane directions.

Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at sqrt[s_{NN}]=2.76  TeV with the ATLAS Detector / G., A., T., A., B., A., J., A., S., A.K., O., A., R., A., B., A., M., A., O. S., A., H., A., H., A., Y., A., B. S., A., L., A., D. L., A., T. N., A., J., A., S., A., T., A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 111:15(2013). [10.1103/physrevlett.111.152301]

Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at sqrt[s_{NN}]=2.76  TeV with the ATLAS Detector

G. Artoni;BAGNAIA, Paolo;BINI, Cesare;DE CECCO, Sandro;DIONISI, Carlo;GAUZZI, Paolo;GENTILE, Simonetta;GIAGU, Stefano;M. Kado;LACAVA, Francesco;LUCI, Claudio;MESSINA, Andrea;MONZANI, SIMONE;A. Policicchio;SOLFAROLI CAMILLOCCI, ELENA;VANADIA, MARIANGELA;VERDUCCI, MONICA;
2013

Abstract

Measurements of the variation of inclusive jet suppression as a function of relative azimuthal angle, , with respect to the elliptic event plane provide insight into the path-length dependence of jet quenching. ATLAS has measured the dependence of jet yields in 0:14 nb1 of ffiffiffiffiffiffiffiffi sNN p ¼ 2:76 TeV Pb þ Pb collisions at the LHC for jet transverse momenta pT > 45 GeV in different collision centrality bins using an underlying event subtraction procedure that accounts for elliptic flow. The variation of the jet yield with was characterized by the parameter, vjet 2 , and the ratio of out-of-plane ( =2) to inplane ( 0) yields. Nonzero vjet 2 values were measured in all centrality bins for pT < 160 GeV. The jet yields are observed to vary by as much as 20% between in-plane and out-of-plane directions.
2013
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at sqrt[s_{NN}]=2.76  TeV with the ATLAS Detector / G., A., T., A., B., A., J., A., S., A.K., O., A., R., A., B., A., M., A., O. S., A., H., A., H., A., Y., A., B. S., A., L., A., D. L., A., T. N., A., J., A., S., A., T., A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 111:15(2013). [10.1103/physrevlett.111.152301]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/527996
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