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Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at ?sNN=2.76 TeV

Abstract: Interactions between jets and the quark-gluon plasma produced in heavy ion collisions are studied via the angular distributions of summed charged-particle transverse momenta (pT) with respect to both the leading and subleading jet axes in high-pT dijet events. The contributions of charged particles in different momentum ranges to the overall event pT balance are decomposed into short-range jet peaks and a long-range azimuthal asymmetry in charged-particle pT. The results for PbPb collisions are compared to those in pp collisions using data collected in 2011 and 2013, at collision energy sNN=2.76 TeV with integrated luminosities of 166 ?b?1 and 5.3 pb?1, respectively, by the CMS experiment at the LHC. Measurements are presented as functions of PbPb collision centrality, charged-particle pT, relative azimuth, and radial distance from the jet axis for balanced and unbalanced dijets.

 Fuente: Journal of High Energy Physics, Vol. 2016, Num. 11, Art. Num. 55

 Editorial: Springer Verlag

 Fecha de publicación: 01/11/2016

 Nº de páginas: 43

 Tipo de publicación: Artículo de Revista

 DOI: 10.1007/JHEP11(2016)055

 ISSN: 1126-6708,1029-8479

 Url de la publicación: https://doi.org/10.1007/JHEP11(2016)055