Measurement of jet track functions in pp collisions at s=13 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1016/j.physletb.2025.139680

Measurement of jet track functions in pp collisions at s=13 TeV with the ATLAS detector

ATLAS Collaboration

Instituto de Alta Investigación

Aix-Marseille Université and CNRS/IN2P3
University of Bergen
University of Oklahoma
New York University Abu Dhabi
CERN
University of Göttingen
TU Dortmund University
United States Department of Energy
Southern Methodist University
Mohammed V University in Rabat
Tel Aviv University
Technion-Israel Institute of Technology
New York University
National Institute for Nuclear Physics
Abdus Salam International Centre for Theoretical Physics
Heidelberg University
IN2P3
AGH University of Krakow
Brandeis University
University of Manchester
Northern Illinois University
Istanbul University
Rutherford Appleton Laboratory
University of California at Santa Cruz
The University of Chicago
Institute for High Energy Physics
University of Pavia
Johannes Gutenberg University Mainz
Alexandru Ioan Cuza University of Iaşi
McGill University
Royal Holloway University of London
Zhengzhou University
University of Rome Tor Vergata
University of Valencia
University of Hassan II Casablanca
Lund University
Waseda University
University of Bonn
Bogazici University
Columbia University
University of Victoria BC
Université Grenoble Alpes
University of Edinburgh
Oklahoma State University
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
University of Geneva
University of Warwick
Czech Technical University in Prague
Lancaster University
The California State University
University of Liverpool
University of Johannesburg
Université Paris-Saclay
University of Sussex
Universidad Técnica Federico Santa Maria
University of Birmingham
University of Naples Federico II
Universidad Nacional de La Plata
University of Washington
Universidad Autónoma de Madrid
Universidade Federal do Rio de Janeiro
Ludwig Maximilian University of Munich
University of Michigan, Ann Arbor
University of Freiburg
University of Toronto
Laboratório de Instrumentação e Física Experimental de Partículas
Aristotle University of Thessaloniki
High Energy Accelerator Research Organization, Tsukuba
University of Oslo
University of Sheffield
University of Texas at Austin
University of Glasgow
Stockholm University
Oskar Klein Centre
University of Milan
National and Kapodistrian University of Athens
Stony Brook University
The University of Tokyo
German Electron Synchrotron
Humboldt University of Berlin
Institute of Nuclear Physics PAN
Duke University
University of Montreal
University of Rome La Sapienza
Nagoya University
Ochanomizu University
Comenius University
University of California at Irvine
University of Cape Town
University of Illinois at Urbana-Champaign
Mohammed VI Polytechnic University
University of Pennsylvania
Slovak Academy of Sciences
Carleton University
Technische Universität Dresden
University of Oregon
Queen Mary University of London
Yale University
University of Belgrade
University of Texas at Arlington
University of Bologna
University of Cambridge
United Arab Emirates University
University of Pittsburgh
University of Melbourne
University of Genoa
University of Amsterdam
Max Planck Institute for Physics (Werner Heisenberg Institute)
SLAC National Accelerator Laboratory
Joint Laboratory of Optics
University of Science and Technology of China
University of Oxford
University College London
CAS - Institute of High Energy Physics
TRIUMF
University of British Columbia
University of Siegen
University of Innsbruck
Universidad de Buenos Aires
Sorbonne Université
Tufts University
University of Bern
Istinye University
Universidade do Estado do Rio de Janeiro
Harvard University
Uppsala University
Lawrence Berkeley National Laboratory
Université Paris Cité
Charles University
University of Würzburg
Gaziantep University
Weizmann Institute of Science
University of Calabria
Université Clermont Auvergne
Ohio State University
University of Wuppertal
University of Massachusetts
University of Trento
Michigan State University
York University Toronto
Simon Fraser University
Boston University
Justus Liebig University Giessen
University of Chinese Academy of Sciences
Nanjing University
Ankara University
Indiana University Bloomington
University of Pisa
University of Copenhagen
Radboud University Nijmegen
University of Minho
Universidad Nacional de Colombia
University of Salento
Universidade Federal de Juiz de Fora
Ivane Javakhishvili Tbilisi State University
Argonne National Laboratory
Shanghai Jiao Tong University
Kyoto University
Tsinghua University
University of Wisconsin-Madison
Chinese University of Hong Kong
University of Arizona
National Tsing Hua University
Czech Academy of Sciences
University of Ljubljana
University of Udine
University of Lisbon
Academia Sinica - Institute of Physics
Roma Tre University
Pontificia Universidad Católica de Chile
Ministerio de Planificación, Chile
University of Bucharest
Universidade Federal da Bahia
Ibn Tofail University
The University of Hong Kong
Louisiana Tech University
Shandong University
CSIC - Institute of Microelectronics of Barcelona
University of Coimbra
University of the Philippines Diliman (Philippines)
University of Sharjah
Adelaide University
University of Iowa
University of New Mexico
Demokritos National Centre for Scientific Research
Jagiellonian University in Kraków
University of Alberta
University of the Witwatersrand
University of Georgia
West University of Timisoara
A. Alikhanian Yerevan Institute of Physics
Shinshu University
The University of Osaka
University of Tsukuba
National University of Science and Technology POLITEHNICA Bucharest
Azerbaijan National Academy of Sciences
Universidade de São Paulo
University of Texas at Dallas
Georgian Academy of Sciences E. Andronikashvili Institute of Physics
Institute of Science Tokyo
Iowa State University
Universidad Andrés Bello
Kobe University
KTH Royal Institute of Technology
Hong Kong University of Science and Technology
Sun Yat-Sen University
CNRS
Kyushu University
Mohamed I University
Universidad Antonio Nariño
The University of Sydney
Transilvania University of Brasov
National Institute for Research and Development of Isotopic and Molecular Technologies
Universidad de La Serena
TOBB University of Economics and Technology
University of California at Berkeley

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4 Citas (Scopus)

Resumen

Measurements of jet substructure are key to probing the energy frontier at colliders, and many of them use track-based observables which take advantage of the angular precision of tracking detectors. Theoretical calculations of track-based observables require ‘track functions’, which characterize the transverse momentum fraction r_q carried by charged hadrons from a fragmenting quark or gluon. This letter presents a direct measurement of r_q distributions in dijet events from the 140 fb⁻¹ of proton–proton collisions at s=13 TeV recorded with the ATLAS detector. The data are corrected for detector effects using machine-learning methods. The scale evolution of the moments of the r_q distribution is sensitive to non-linear renormalization group evolution equations of QCD, and is compared with analytic predictions. When incorporated into future theoretical calculations, these results will enable a precision program of theory-data comparison for track-based jet substructure observables.

Idioma original	Inglés
Número de artículo	139680
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	868
DOI	https://doi.org/10.1016/j.physletb.2025.139680
Estado	Publicada - sept 2025

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title = "Measurement of jet track functions in pp collisions at s=13 TeV with the ATLAS detector",

abstract = "Measurements of jet substructure are key to probing the energy frontier at colliders, and many of them use track-based observables which take advantage of the angular precision of tracking detectors. Theoretical calculations of track-based observables require {\textquoteleft}track functions{\textquoteright}, which characterize the transverse momentum fraction rq carried by charged hadrons from a fragmenting quark or gluon. This letter presents a direct measurement of rq distributions in dijet events from the 140 fb−1 of proton{\textendash}proton collisions at s=13 TeV recorded with the ATLAS detector. The data are corrected for detector effects using machine-learning methods. The scale evolution of the moments of the rq distribution is sensitive to non-linear renormalization group evolution equations of QCD, and is compared with analytic predictions. When incorporated into future theoretical calculations, these results will enable a precision program of theory-data comparison for track-based jet substructure observables.",

author = "G. Aad and E. Aakvaag and B. Abbott and S. Abdelhameed and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2025 CERN for the benefit of the ATLAS Collaboration",

year = "2025",

month = sep,

doi = "10.1016/j.physletb.2025.139680",

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AU - Aakvaag, E.

AU - Abbott, B.

AU - Abdelhameed, S.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2025/9

Y1 - 2025/9

N2 - Measurements of jet substructure are key to probing the energy frontier at colliders, and many of them use track-based observables which take advantage of the angular precision of tracking detectors. Theoretical calculations of track-based observables require ‘track functions’, which characterize the transverse momentum fraction rq carried by charged hadrons from a fragmenting quark or gluon. This letter presents a direct measurement of rq distributions in dijet events from the 140 fb−1 of proton–proton collisions at s=13 TeV recorded with the ATLAS detector. The data are corrected for detector effects using machine-learning methods. The scale evolution of the moments of the rq distribution is sensitive to non-linear renormalization group evolution equations of QCD, and is compared with analytic predictions. When incorporated into future theoretical calculations, these results will enable a precision program of theory-data comparison for track-based jet substructure observables.

AB - Measurements of jet substructure are key to probing the energy frontier at colliders, and many of them use track-based observables which take advantage of the angular precision of tracking detectors. Theoretical calculations of track-based observables require ‘track functions’, which characterize the transverse momentum fraction rq carried by charged hadrons from a fragmenting quark or gluon. This letter presents a direct measurement of rq distributions in dijet events from the 140 fb−1 of proton–proton collisions at s=13 TeV recorded with the ATLAS detector. The data are corrected for detector effects using machine-learning methods. The scale evolution of the moments of the rq distribution is sensitive to non-linear renormalization group evolution equations of QCD, and is compared with analytic predictions. When incorporated into future theoretical calculations, these results will enable a precision program of theory-data comparison for track-based jet substructure observables.

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 139680

ER -

Measurement of jet track functions in pp collisions at s=13 TeV with the ATLAS detector

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