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

European Organization for Nuclear Research
Aix-Marseille Université
University of Oklahoma
Academia Sinica, Institute Of Physics
Azerbaijan Academy of Sciences
University of Amsterdam
Michigan State University
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Tel Aviv University
Technion - Israel Institute of Technology
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King's College London
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Brookhaven National Laboratory Physics Department
Northern Illinois University
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Rutherford Appleton Laboratory
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Lisboa
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Boston University
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University of Victoria
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Universidad Nacional de La Plata
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
Sezione INFN di Milano
University of Chicago
Columbia University
University of Sussex
University of Birmingham
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Niels Bohr Institutet
Queen Mary University of London
University of Cambridge
Laboratoire de Physique des Particules
University of Valencia
University of California, Berkeley
High Energy Accelerator Research Organization (KEK)
Instituto de Biofisica da UFRJ
Brandeis University
University of Michigan, Ann Arbor
University of Coimbra
Faculdade de Ciências, Universidade de Lisboa
University of Freiburg
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Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
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University of São Paulo
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Duke University
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University of Tokyo
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Institute of High Energy Physics, Chinese Academy of Sciences
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California State University, Fresno
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Simon Fraser University
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University of Alberta
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Southern Methodist University
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Pontificia Universidad Católica de Chile
Ipatimup Diagnósticos
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Dogus University
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Iowa State University
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Nanjing University
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Kobe University
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Palacky University Olomouc
Department of Biochemistry and Molecular and Structural Biology
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Long Beach VA and University of California
University of British Columbia
Université Mohamed Premier
Tbilisi State University
Federal University of Sao Joao del Rei (UFSJ)
University of São Paulo
Justus-Liebig-Universität Giessen
Cadi Ayyad University
Osaka University
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Nagasaki Institute of Applied Science
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Centre National de l'Energie des Sciences Techniques Nucleaires
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University of New Mexico
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Pompeu Fabra University (UPF)
Yerevan Physics Institute
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National Centre for Particle and High Energy Physics
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Waseda University
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Tbilisi State University
Ilia State University (ISU)
Kyushu University
Georgian Technical University
Manhattan College
Istanbul Aydin University
University of Würzburg
Hellenic Open University
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University of Iowa
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Hiroshima Institute of Technology
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Universidad de Buenos Aires
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National Institute for Research and Development of Isotopic and Molecular Technologies
University of South Carolina
Université Paris-Sud
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 Malaya

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

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.

langue originale	Anglais
Numéro d'article	581
journal	European Physical Journal C
Volume	76
Numéro de publication	11
Les DOIs	https://doi.org/10.1140/epjc/s10052-016-4395-z
état	Publié - 1 nov. 2016
Modification externe	Oui

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10.1140/epjc/s10052-016-4395-z

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@article{7d6c291183b84119b0ec59127487af2c,

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 A. Altheimer and T. Mueller and O. Simard",

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 - Altheimer, A.

AU - Mueller, T.

AU - Simard, O.

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

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