Publication: Measurement of angular and momentum distributions of charged particles within and around jets in Pb plus Pb and pp collisions at root s(NN)=5.02 TeV with ATLAS at the LHC
Дата
2019
Авторы
Puri, A.
Aaboud, M.
Aad, G.
Abbott, B.
Belotskiy, K.
Belyaev, N. L.
Bulekov, O.
Kantserov, V. A.
Ponomarenko, D.
Proklova, N.
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Аннотация
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. These proceedings present a measurement of the angular distribution of charged particles around the jet axis in root s(NN) = 5.02 TeV Pb+Pb and pp collisions, done using the ATLAS detector at the LHC. The measurement is performed inside jets reconstructed with the anti-k(t) algorithm with radius parameter R = 0.4, and is extended to regions outside the jet cone. Results are presented as a function of Pb+Pb collision centrality, and both jet and charged-particle transverse momenta.
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Measurement of angular and momentum distributions of charged particles within and around jets in Pb plus Pb and pp collisions at root s(NN)=5.02 TeV with ATLAS at the LHC / Puri, A [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 177-179. - 10.1016/j.nuclphysa.2018.09.021