@Article{ATLASCollaborationAad_etal2023,
author="ATLAS Collaboration (Aad, G. et al
and Amos, K. R.
and Aparisi Pozo, J. A.
and Bailey, A. J.
and Bouchhar, N.
and Cabrera Urban, S.
and Cantero, J.
and Cardillo, F.
and Castillo Gimenez, V.
and Chitishvili, M.
and Costa, M. J.
and Didenko
and Escobar, C.
and Fiorini, L.
and Fullana Torregrosa, E.
and Fuster, J.
and Garcia, C.
and Garcia Navarro, J. E.
and Gomez Delegido, A. J.
and Gonzalez de la Hoz, S.
and Gonzalvo Rodriguez, G. R.
and Guerrero Rojas, J. G. R.
and Lacasta, C.
and Marti-Garcia, S.
and Martinez Agullo, P.
and Miralles Lopez, M.
and Mitsou, V. A.
and Monsonis Romero, L.
and Moreno Llacer, M.
and Munoz Perez, D.
and Navarro-Gonzalez, J.
and Poveda, J.
and Prades Iba{\~{n}}ez, A.
and Rubio Jimenez, A.
and Ruiz-Martinez, A.
and Sabatini, P.
and Salt, J.
and Sanchez Sebastian, V.
and Sayago Galvan, I.
and Senthilkumar, V.
and Soldevila, U.
and Sanchez, J.
and Torro Pastor, E.
and Valero, A.
and Valiente Moreno, E.
and Valls Ferrer, J. A.
and Varriale, L.
and Villaplana Perez, M.
and Vos, M.",
title="Measurement of Suppression of Large-Radius Jets and Its Dependence on Substructure in Pb+Pb Collisions at sqrt[s{\_}{\{}NN{\}}]=5.02TeV with the ATLAS Detector",
journal="Physical Review Letters",
year="2023",
volume="131",
number="17",
pages="172301--22pp",
abstract="This letter presents a measurement of the nuclear modification factor of large-radius jets in root sNN=5.02 TeV Pb+Pb collisions by the ATLAS experiment. The measurement is performed using 1.72nb^{\{}-1{\}} and 257pb^{\{}-1{\}} of Pb+Pb and pp data, respectively. The large-radius jets are reconstructed with the anti-k{\textit{}{\{}t{\}} algorithm using a radius parameter of R=1.0, by reclustering anti-k{}}{\{}t{\}} R=0.2 jets, and are measured over the transverse momentum (p{\textit{}{\{}T{\}}) kinematic range of 158<p{}}{\{}T{\}}<1000GeV and absolute pseudorapidity |y|<2.0. The large-radius jet constituents are further reclustered using the k{\textit{}{\{}t{\}} algorithm in order to obtain the splitting parameters, sqrt[d{}}{\{}12{\}}] and DeltaR{\textit{}{\{}12{\}}, which characterize the transverse momentum scale and angular separation for the hardest splitting in the jet, respectively. The nuclear modification factor, R{}}{\{}AA{\}}, obtained by comparing the Pb+Pb jet yields to those in pp collisions, is measured as a function of jet transverse momentum (p{\textit{}{\{}T{\}}) and sqrt[d{}}{\{}12{\}}] or DeltaR{\textit{}{\{}12{\}}. A significant difference in the quenching of large-radius jets having single subjet and those with more complex substructure is observed. Systematic comparison of jet suppression in terms of R{}}{\{}AA{\}} for different jet definitions is also provided. Presented results support the hypothesis that jets with hard internal splittings lose more energy through quenching and provide a new perspective for understanding the role of jet structure in jet suppression.",
optnote="MEDLINE:37955510",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=6059), last updated on Mon, 29 Apr 2024 06:07:02 +0000",
doi="10.1103/PhysRevLett.131.172301",
opturl="https://arxiv.org/abs/2301.05606",
opturl="https://doi.org/10.1103/PhysRevLett.131.172301"
}