Measurements of the suppression and correlations of dijets in Pb+Pb collisions at √s.sub.NN./sub. = 5.02 TeV

0577545 - FZÚ 2024 RIV US eng J - Journal Article
Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Jačka, Petr - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Latoňová, Věra - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2957 authors
Measurements of the suppression and correlations of dijets in Pb+Pb collisions at √s_NN = 5.02 TeV.
Physical Review C. Roč. 107, č. 5 (2023), č. článku 054908. ISSN 2469-9985. E-ISSN 2469-9993
Research Infrastructure: CERN-CZ III - 90240
Institutional support: RVO:68378271
Keywords : dijet: transverse momentum * pp: scattering * dimension: 2
OECD category: Particles and field physics
Impact factor: 3.1, year: 2022
Method of publishing: Open access

Studies of the correlations of the two highest transverse momentum (leading) jets in individual Pb+Pb collision events can provide information about the mechanism of jet quenching by the hot and dense matter created in such collisions. In Pb+Pb and pp collisions at sNNsNN​​ ​ = 5.02 TeV, measurements of the leading dijet transverse momentum (pTpT​) correlations are presented. Additionally, measurements in Pb+Pb collisions of the dijet pair nuclear modification factors projected along leading and subleading jet pTpT​ are made. The measurements are performed using the ATLAS detector at the LHC with 260 pb−1−1 of pp data collected in 2017 and 2.2 nb−1−1 of Pb+Pb data collected in 2015 and 2018. An unfolding procedure is applied to the two-dimensional leading and subleading jet pTpT​ distributions to account for experimental effects in the measurement of both jets. Results are provided for dijets with leading jet pTpT​ greater than 100 GeV.
Permanent Link: https://hdl.handle.net/11104/0346659