Performance of pile-up mitigation techniques for jets in pp collisions at √s=8 TeV using the ATLAS detector

ATLAS Collaboration

doi:10.1140/epjc/s10052-016-4395-z

Performance of pile-up mitigation techniques for jets in pp collisions at √s=8 TeV using the ATLAS detector

ATLAS Collaboration

CERN
Aix-Marseille Université
University of Oklahoma
Academia Sinica - Institute of Physics
Azerbaijan National Academy of Sciences
University of Amsterdam
Michigan State University
University of Toronto
Tel Aviv University
Technion-Israel Institute of Technology
University of Oregon
Stockholm University
Oskar Klein Centre
National Institute for Nuclear Physics
Abdus Salam International Centre for Theoretical Physics
King's College London
AGH University of Science and Technology
United States Department of Energy
Northern Illinois University
Ludwig Maximilian University of Munich
Rutherford Appleton Laboratory
University of Liverpool
University of Belgrade
University of Göttingen
Laboratório de Instrumentação e Física Experimental de Partículas
University of Granada
Boston University
Joint Institute for Nuclear Research
University of Rome Tor Vergata
Lund University
RAS - P.N. Lebedev Physics Institute
University of Bologna
University of Victoria BC
Université Grenoble Alpes
Universidad Nacional de La Plata
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
The University of Chicago
Columbia University
University of Sussex
University of Birmingham
University of Naples Federico II
University of Copenhagen
Queen Mary University of London
University of Udine
University of Valencia
University of California at Berkeley
High Energy Accelerator Research Organization, Tsukuba
Universidade Federal do Rio de Janeiro
Brandeis University
University of Michigan, Ann Arbor
University of Coimbra
University of Lisbon
University of Freiburg
University of Sheffield
University of Geneva
Heidelberg University
University of Milan
National and Kapodistrian University of Athens
Technische Universität Dresden
RAS - Budker Institute of Nuclear Physics
Novosibirsk State University
Autonomous University of Barcelona
University of Pisa
Moscow Engineering Physics Institute
Slovak Academy of Sciences
Duke University
University of Montreal
German Electron Synchrotron
Bogazici University
Universidad Autónoma de Madrid
University of Cambridge
University of Bonn
Alikhanov Institute for Theoretical and Experimental Physics
The University of Tokyo
Comenius University
University of Illinois
University of Siegen
Czech Technical University in Prague
University of Johannesburg
Université Paris-Saclay
TRIUMF
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CEA-IRFU/CNRS/Université Paris Diderot
Aristotle University of Thessaloniki
University of Rome La Sapienza
CAS - Institute of High Energy Physics
Yale University
Charles University
Stony Brook University
University of Manchester
Cracow
University of Wisconsin-Madison
University of Wuppertal
University of Melbourne
University of Genoa
Max Planck Institute for Physics (Werner Heisenberg Institute)
SLAC National Accelerator Laboratory
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University of Oxford
Harvard University
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University of Glasgow
University of California at Santa Cruz
California State University Fresno
Ohio State University
CNRS/IN2P3
Tufts University
University of Bern
University of Fribourg
Johannes Gutenberg University Mainz
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Gaziantep University
McGill University
Carleton University
University of Massachusetts
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York University Toronto
Uppsala University
New York University
Royal Holloway University of London
University of Pittsburgh
Humboldt University of Berlin
University College London
University of Sydney
University of Washington
Argonne National Laboratory
University of Adelaide
Lomonosov Moscow State University
Institute for High Energy Physics
Chinese University of Hong Kong
The University of Hong Kong
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SUNY Albany
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Oklahoma State University
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Tokyo Metropolitan University
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Weizmann Institute of Science
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Universidad Técnica Federico Santa Maria
University of Bergen
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Mohammed V University in Rabat
University of Arizona
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Czech Academy of Sciences
Palacký University Olomouc
J. Stefan Institute
University of Pavia
University of Naples Parthenope
Institute of Particle Physics
University of California at Irvine
University of British Columbia
Mohamed I University
Tbilisi State University
Universidade Federal de São João del-Rei
Universidade de São Paulo
Justus Liebig University Giessen
Cadi Ayyad University
Osaka University
Peter the Great St. Petersburg Polytechnic University
Nagasaki Institute of Applied Science
University of Science and Technology of China
National Center for Energy, Nuclear Science and Technology
University of New Mexico
University of Salento
Louisiana Tech University
ICREA
A. Alikhanian Yerevan Institute of Physics
University of Cape Town
University of Tsukuba
Belarus Academy of Sciences
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Belarusian State University
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University of Innsbruck
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Ilia State University
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Manhattan College
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Hellenic Open University
Universidad Antonio Nariño
KTH Royal Institute of Technology
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Moscow Institute of Physics and Technology
Hiroshima Institute of Technology
Okayama University
University of Minho
Universidad de Buenos Aires
Jagiellonian University in Kraków
International School for Advanced Studies
National Institute for Research and Development of Isotopic and Molecular Technologies
University of South Carolina
IN2P3 - Institut National de Physique Nucléaire et de Physique Des Particules
Sun Yat-Sen University
TOBB University of Economics and Technology
Kyoto University of Education
Massachusetts Institute of Technology
Stanford University
Wigner Research Centre for Physics
University of Malaya

Research output: Contribution to journal › Article › peer-review

418 Citations (Scopus)

Abstract

The large rate of multiple simultaneous proton–proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. This paper describes the methods employed in the ATLAS experiment to correct for the impact of pile-up on jet energy and jet shapes, and for the presence of spurious additional jets, with a primary focus on the large 20.3 fb^{- 1}data sample collected at a centre-of-mass energy of s=8TeV. The energy correction techniques that incorporate sophisticated estimates of the average pile-up energy density and tracking information are presented. Jet-to-vertex association techniques are discussed and projections of performance for the future are considered. Lastly, the extension of these techniques to mitigate the effect of pile-up on jet shapes using subtraction and grooming procedures is presented.

Original language	English
Article number	581
Journal	European Physical Journal C
Volume	76
Issue number	11
DOIs	https://doi.org/10.1140/epjc/s10052-016-4395-z
Publication status	Published - 1 Nov 2016

ASJC Scopus subject areas

Engineering (miscellaneous)
Physics and Astronomy (miscellaneous)

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10.1140/epjc/s10052-016-4395-z

Cite this

@article{fafe784e911442e58d6869b2cd169d28,

title = "Performance of pile-up mitigation techniques for jets in pp collisions at √s=8 TeV using the ATLAS detector",

abstract = "The large rate of multiple simultaneous proton–proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. This paper describes the methods employed in the ATLAS experiment to correct for the impact of pile-up on jet energy and jet shapes, and for the presence of spurious additional jets, with a primary focus on the large 20.3 fb- 1data sample collected at a centre-of-mass energy of s=8TeV. The energy correction techniques that incorporate sophisticated estimates of the average pile-up energy density and tracking information are presented. Jet-to-vertex association techniques are discussed and projections of performance for the future are considered. Lastly, the extension of these techniques to mitigate the effect of pile-up on jet shapes using subtraction and grooming procedures is presented.",

author = "\{ATLAS Collaboration\} and G. Aad and B. Abbott and J. Abdallah and O. Abdinov and R. Aben and M. Abolins and AbouZeid, \{O. S.\} and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and J. Adelman and S. Adomeit and T. Adye and Affolder, \{A. A.\} and T. Agatonovic-Jovin and J. Agricola and Aguilar-Saavedra, \{J. A.\} and Ahlen, \{S. P.\} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, \{T. P.A.\} and Akimov, \{A. V.\} and Alberghi, \{G. L.\} and J. Albert and S. Albrand and Verzini, \{M. J.Alconada\} and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and G. Alexander and T. Alexopoulos and M. Alhroob and G. Alimonti and L. Alio and J. Alison and Alkire, \{S. P.\} and Allbrooke, \{B. M.M.\} and Allport, \{P. P.\} and A. Aloisio and A. Alonso and F. Alonso and C. Alpigiani and Connell, \{S. H.\} and N. Govender and L. Truong",

note = "Publisher Copyright: {\textcopyright} 2016, CERN for the benefit of the ATLAS collaboration.",

year = "2016",

month = nov,

day = "1",

doi = "10.1140/epjc/s10052-016-4395-z",

language = "English",

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journal = "European Physical Journal C",

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T1 - Performance of pile-up mitigation techniques for jets in pp collisions at √s=8 TeV using the ATLAS detector

AU - ATLAS Collaboration

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdinov, O.

AU - Aben, R.

AU - Abolins, M.

AU - AbouZeid, O. S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B. S.

AU - Adamczyk, L.

AU - Adams, D. L.

AU - Adelman, J.

AU - Adomeit, S.

AU - Adye, T.

AU - Affolder, A. A.

AU - Agatonovic-Jovin, T.

AU - Agricola, J.

AU - Aguilar-Saavedra, J. A.

AU - Ahlen, S. P.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Akerstedt, H.

AU - Åkesson, T. P.A.

AU - Akimov, A. V.

AU - Alberghi, G. L.

AU - Albert, J.

AU - Albrand, S.

AU - Verzini, M. J.Alconada

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Alimonti, G.

AU - Alio, L.

AU - Alison, J.

AU - Alkire, S. P.

AU - Allbrooke, B. M.M.

AU - Allport, P. P.

AU - Aloisio, A.

AU - Alonso, A.

AU - Alonso, F.

AU - Alpigiani, C.

AU - Connell, S. H.

AU - Govender, N.

AU - Truong, L.

PY - 2016/11/1

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N2 - The large rate of multiple simultaneous proton–proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. This paper describes the methods employed in the ATLAS experiment to correct for the impact of pile-up on jet energy and jet shapes, and for the presence of spurious additional jets, with a primary focus on the large 20.3 fb- 1data sample collected at a centre-of-mass energy of s=8TeV. The energy correction techniques that incorporate sophisticated estimates of the average pile-up energy density and tracking information are presented. Jet-to-vertex association techniques are discussed and projections of performance for the future are considered. Lastly, the extension of these techniques to mitigate the effect of pile-up on jet shapes using subtraction and grooming procedures is presented.

AB - The large rate of multiple simultaneous proton–proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. This paper describes the methods employed in the ATLAS experiment to correct for the impact of pile-up on jet energy and jet shapes, and for the presence of spurious additional jets, with a primary focus on the large 20.3 fb- 1data sample collected at a centre-of-mass energy of s=8TeV. The energy correction techniques that incorporate sophisticated estimates of the average pile-up energy density and tracking information are presented. Jet-to-vertex association techniques are discussed and projections of performance for the future are considered. Lastly, the extension of these techniques to mitigate the effect of pile-up on jet shapes using subtraction and grooming procedures is presented.

UR - https://www.scopus.com/pages/publications/84993983948

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DO - 10.1140/epjc/s10052-016-4395-z

M3 - Article

AN - SCOPUS:84993983948

SN - 1434-6044

VL - 76

JO - European Physical Journal C

JF - European Physical Journal C

IS - 11

M1 - 581

ER -

Performance of pile-up mitigation techniques for jets in pp collisions at √s=8 TeV using the ATLAS detector

Abstract

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