Measurement of substructure-dependent suppression of large-radius jets with charged particles in Pb+Pb collisions with ATLAS

G. Aad; E. Aakvaag; B. Abbott; S. Abdelhameed; K. Abeling; N. J. Abicht; S. H. Abidi; M. Aboelela; A. Aboulhorma; H. Abramowicz; Y. Abulaiti; B. S. Acharya; A. Ackermann; C. Adam Bourdarios; L. Adamczyk; S. V. Addepalli; M. J. Addison; J. Adelman; A. Adiguzel; T. Adye; A. A. Affolder; Y. Afik; M. N. Agaras; A. Aggarwal; C. Agheorghiesei; F. Ahmadov; S. Ahuja; X. Ai; G. Aielli; A. Aikot; M. Ait Tamlihat; B. Aitbenchikh; M. Akbiyik; T. P.A. Åkesson; A. V. Akimov; D. Akiyama; N. N. Akolkar; S. Aktas; G. L. Alberghi; J. Albert; P. Albicocco; G. L. Albouy; S. Alderweireldt; Z. L. Alegria; M. Aleksa; I. N. Aleksandrov; C. Alexa; T. Alexopoulos; F. Alfonsi; M. Algren; M. Alhroob; B. Ali; H. M.J. Ali; S. Ali; S. W. Alibocus; M. Aliev; G. Alimonti; W. Alkakhi; C. Allaire; B. M.M. Allbrooke; J. S. Allen; J. F. Allen; P. P. Allport; A. Aloisio; F. Alonso; C. Alpigiani; Z. M.K. Alsolami; A. Alvarez Fernandez; M. Alves Cardoso; M. G. Alviggi; M. Aly; Y. Amaral Coutinho; A. Ambler; C. Amelung; M. Amerl; C. G. Ames; T. Amezza; D. Amidei; B. Amini; K. Amirie; A. Amirkhanov; S. P. Amor Dos Santos; K. R. Amos; D. Amperiadou; S. An; C. Anastopoulos; T. Andeen; J. K. Anders; A. C. Anderson; A. Andreazza; S. Angelidakis; A. Angerami; A. V. Anisenkov; A. Annovi; C. Antel; E. Antipov; M. Antonelli; F. Anulli; M. Aoki; T. Aoki; The ATLAS Collaboration; Yuan-Tang Chou

doi:10.1016/j.physletb.2025.139929

Measurement of substructure-dependent suppression of large-radius jets with charged particles in Pb+Pb collisions with ATLAS

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Measurement of substructure-dependent suppression of large-radius jets with charged particles in Pb+Pb collisions with ATLAS

G. Aad, E. Aakvaag, B. Abbott, S. Abdelhameed, K. Abeling, N. J. Abicht, S. H. Abidi, M. Aboelela, A. Aboulhorma, H. Abramowicz, …

Physics letters. B, 卷.871, 139929

01/12/2025

DOI: https://doi.org/10.1016/j.physletb.2025.139929

Web of Science ID: WOS:001652171500001

摘要

Jet quenching

Jets & heavy flavor physics

Quark-gluon plasma

Relativistic heavy-ion collisions

Measurements of jet substructure in Pb+Pb collisions provide key insights into the mechanism of jet quenching in the hot and dense QCD medium created in these collisions.This Letter presents a measurement of the suppression of large-radius jets with a radius parameter of R=1.0 and its dependence on the jet substructure. The measurement uses 1.72 nb of Pb+Pb data and 255 pb of pp data, both at s =5.02 TeV, recorded with the ATLAS detector at the Large Hadron Collider. Large-radius jets are reconstructed by reclustering R=0.2 calorimetric jets and are measured for transverse momentum above 200 GeV. Jet substructure is evaluated using charged-particle tracks, and the overall level of jet suppression is quantified using the jet nuclear modification factor ( R ). The jet R is measured as a function of jet p , the charged k splitting scale (d ), and the angular separation (? R ) of two leading sub-jets. The jet R gradually decreases with increasing d , implying significantly stronger suppression of large-radius jets with larger k splitting scale. The jet R gradually decreases for ? R in the range 0.01-0.2 and then remains consistent with a constant for ? R ? 0.2. The observed significant dependence of jet suppression on the jet substructure will provide new insights into its role in the quenching process.

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合作類型: 機構合作; 國際合作
引用書目主題: 5 Physics; 5.9 Particles & Fields; 5.9.428 Heavy Ion Collisions
Web Of Science研究領域: Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
ESI研究領域: Physics

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題名: Measurement of substructure-dependent suppression of large-radius jets with charged particles in Pb+Pb collisions with ATLAS
創作者：: G. Aad - Centre National de la Recherche Scientifique
E. Aakvaag - University of Bergen
B. Abbott - University of Oklahoma
S. Abdelhameed - New York University Abu Dhabi
K. Abeling - University of Göttingen
N. J. Abicht - TU Dortmund University
S. H. Abidi - Brookhaven National Laboratory
M. Aboelela - Southern Methodist University
A. Aboulhorma - Mohammed V University
H. Abramowicz - Tel Aviv University
Y. Abulaiti - New York University
B. S. Acharya - The Abdus Salam International Centre for Theoretical Physics (ICTP)
A. Ackermann - Heidelberg University
C. Adam Bourdarios - Université Savoie Mont Blanc
L. Adamczyk - AGH University of Krakow
S. V. Addepalli - SLAC National Accelerator Laboratory
M. J. Addison - University of Manchester
J. Adelman - Northern Illinois University
A. Adiguzel - Türkisch-Deutsche Universität
T. Adye - Rutherford Appleton Laboratory
A. A. Affolder - University of California, Santa Cruz
Y. Afik - University of Chicago
M. N. Agaras - Barcelona Institute of Science and Technology
A. Aggarwal - Institut für Physik, Universität Mainz, Mainz, Germany
C. Agheorghiesei - Alexandru Ioan Cuza University
F. Ahmadov - Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan
S. Ahuja - Royal Holloway University of London
X. Ai - Zhengzhou University
G. Aielli - Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy
A. Aikot - Instituto de Física Corpuscular
M. Ait Tamlihat - Faculté des sciences, Université Mohammed V, Rabat, Morocco
B. Aitbenchikh - Faculté des Sciences Ain Chock, Université Hassan II de Casablanca, Morocco
M. Akbiyik - Institut für Physik, Universität Mainz, Mainz, Germany
T. P.A. Åkesson - Fysiska institutionen, Lunds universitet, Lund, Sweden
A. V. Akimov - Stony Brook University
D. Akiyama - Waseda University
N. N. Akolkar - Physikalisches Institut, Universität Bonn, Bonn, Germany
S. Aktas - Boğaziçi University
G. L. Alberghi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
J. Albert - University of Victoria
P. Albicocco - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
G. L. Albouy - Laboratoire de Physique Subatomique et de Cosmologie
S. Alderweireldt - University of Edinburgh
Z. L. Alegria - Oklahoma State University
M. Aleksa - CERN, Geneva, Switzerland
I. N. Aleksandrov - CERN, Switzerland
C. Alexa - Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania
T. Alexopoulos - National Technical University of Athens
F. Alfonsi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
M. Algren - Département de Physique Nucléaire
M. Alhroob - University of Warwick
B. Ali - Czech Technical University in Prague
H. M.J. Ali - Physics Department, Lancaster University, Lancaster, United Kingdom
S. Ali - California State University, CA, United States
S. W. Alibocus - University of Liverpool
M. Aliev - University of Johannesburg
G. Alimonti - INFN Sezione di Milano, Italy
W. Alkakhi - II. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, Germany
C. Allaire - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
B. M.M. Allbrooke - University of Sussex
J. S. Allen - University of Manchester
J. F. Allen - University of Edinburgh
P. P. Allport - University of Birmingham
A. Aloisio - Dipartimento di Fisica, Università di Napoli, Napoli, Italy
F. Alonso - Instituto de Física La Plata
C. Alpigiani - University of Washington
Z. M.K. Alsolami - Physics Department, Lancaster University, Lancaster, United Kingdom
A. Alvarez Fernandez - Institut für Physik, Universität Mainz, Mainz, Germany
M. Alves Cardoso - Département de Physique Nucléaire
M. G. Alviggi - Dipartimento di Fisica, Università di Napoli, Napoli, Italy
M. Aly - University of Manchester
Y. Amaral Coutinho - Universidade Federal do Rio de Janeiro
A. Ambler - McGill University
C. Amelung - CERN, Geneva, Switzerland
M. Amerl - University of Manchester
C. G. Ames - Ludwig-Maximilians-Universität München
T. Amezza - Laboratoire de Physique Nucléaire et de Hautes Énergies
D. Amidei - University of Michigan
B. Amini - Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
K. Amirie - University of Toronto
A. Amirkhanov
S. P. Amor Dos Santos - LIP - Laboratory of Instrumentation and Experimental Particle Physics
K. R. Amos - Instituto de Física Corpuscular
D. Amperiadou - Aristotle University of Thessaloniki
S. An - High Energy Accelerator Research Organization
C. Anastopoulos - University of Sheffield
T. Andeen - The University of Texas at Austin
J. K. Anders - University of Liverpool
A. C. Anderson - University of Glasgow
A. Andreazza - Dipartimento di Fisica, Università di Milano, Milano, Italy
S. Angelidakis - National and Kapodistrian University of Athens
A. Angerami - Columbia University
A. V. Anisenkov - CERN, Geneva, Switzerland
A. Annovi - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
C. Antel - CERN, Geneva, Switzerland
E. Antipov - Stony Brook University
M. Antonelli - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
F. Anulli - INFN Sezione di Roma, Italy
M. Aoki - High Energy Accelerator Research Organization
T. Aoki - International Center for Elementary Particle Physics and Department of Physics, University of Tokyo, Tokyo, Japan
The ATLAS Collaboration
Yuan-Tang Chou
出版者: ELSEVIER; AMSTERDAM
總頁數: 17
補助款備註: Ministry of Education, Culture, Sports, Science and Technology (http://data.elsevier.com/vocabulary/SciValFunders/501100001700) UK Research and Innovation (http://data.elsevier.com/vocabulary/SciValFunders/100014013) Israel Academy of Sciences and Humanities (http://data.elsevier.com/vocabulary/SciValFunders/501100003973) EHPC-DEV-2024D11-051 / Horizon 2020 (http://data.elsevier.com/vocabulary/SciValFunders/501100007601) Marcus och Amalia Wallenbergs minnesfond (http://data.elsevier.com/vocabulary/SciValFunders/501100011898) 2023-04654; VR 2021-03651; VR 2022-04683; VR 2023-03403; VR 2022-03845; VR 2024-05451 / Vetenskapsrådet (http://data.elsevier.com/vocabulary/SciValFunders/501100004359) ECA DE-AC02-76SF00515 / U.S. Department of Energy (http://data.elsevier.com/vocabulary/SciValFunders/100000015) Canarie (http://data.elsevier.com/vocabulary/SciValFunders/100008313) Irish Rugby Football Union (http://data.elsevier.com/vocabulary/SciValFunders/501100024313) 101081355; RYC2020-030254-I; RYC2019-028510-I; PID2021-125273NB; RYC2021-031273-I; RYC2022-038164-I / European Regional Development Fund (http://data.elsevier.com/vocabulary/SciValFunders/501100008530)
學術資源類型: 期刊文章
出版日期: 01/12/2025
出版資訊: Physics letters. B, 卷.871, 139929
語言: 英語

Measurement of substructure-dependent suppression of large-radius jets with charged particles in Pb+Pb collisions with ATLAS

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