Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at √s=8 TeV and cross section ratios to 2.76 and 7 TeV

The CMS collaboration

doi:10.1007/JHEP03(2017)156

Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at √s=8 TeV and cross section ratios to 2.76 and 7 TeV

The CMS collaboration

Yerevan Physics Institute
Institut für Hochenergiephysik
Vienna University of Technology
National Centre for Particle and High Energy Physics
University of Antwerp
Université Paris-Saclay
European Organization for Nuclear Research
Imperial College London
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State Key Laboratory of Nuclear Physics and Technology
Ghent University
University of Louvain
Université de Strasbourg
Université de Mons
Centro Brasileiro de Pesquisas Fisicas
Rua São Francisco de Xavier
University of Campinas (UNICAMP)
São Paulo State University
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CNRS
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University of Sofia
Beihang University
Institute of High Energy Physics, Chinese Academy of Sciences
c/o DESY
Universidad de Los Andes, Colombia
CSIC-Univ. Cantabria
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split
Faculty of Science, University of Split
Ruđer Bošković Institute
University of Cyprus
Charles University
Joint Institute for Nuclear Research, Dubna
Universidad San Francisco de Quito
Egyptian Network of High Energy Physics
Suez University
British University in Egypt
Ain Shams University
Cairo University
Helwan University
National Institute of Chemical Physics and Biophysics, Tallinn
University of Helsinki
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LUT University
Ip Paris
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IGFL, Université de Lyon, Université Lyon 1
Moscow State University
Georgian Technical University
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RWTH Aachen University
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Joint Faculty of the Brandenburg University of Technology Cottbus Senftenberg
Universität Karlsruhe/Forschungszentrum Karlsruhe
NCSR Demokritos
University of Athens
University of Ioannina
Eötvös Loránd University
Wigner Research Centre for Physics
Institute of Nuclear Research ATOMKI
University of Debrecen
National Institute of Science Education and Research
Indian Institute of Science Education and Research Bhopal
Institute of Physics Bhubaneswar
Panjab University
University of Delhi
Saha Institute of Nuclear Physics
Indian Institute of Technology Madras
Bhabha Atomic Research Centre
Tata Institute of Fundamental Research, Mumbai
University of Visva-Bharati
University of Ruhuna
Indian Institute of Science Education and Research (IISER)
Institute for Research in Fundamental Sciences (IPM)
Isfahan University of Technology
University of Tehran
Islamic Azad University, Science and Research Branch
University College Dublin
INFN Sezione di Bari
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Politecnico di Bari
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University of Bologna
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Università degli Studi della Basilicata
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University of Pavia
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Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
University of Siena
Scuola Normale Superiore di Pisa
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Purdue University
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Laboratory of Molecular Pathology
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National Research Nuclear University MEPhI
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University of Florida
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P.N. Lebedev Physical Institute of the Russian Academy of Sciences
California Institute of Technology
Kurchatov Institute
University of Belgrade
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Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
Universidad Autónoma de Madrid
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ETH Zurich
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Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

A measurement of the double-differential inclusive jet cross section as a function of the jet transverse momentum p_T and the absolute jet rapidity |y| is presented. Data from LHC proton-proton collisions at s=8 TeV, corresponding to an integrated luminosity of 19.7 fb⁻¹, have been collected with the CMS detector. Jets are reconstructed using the anti-k_T clustering algorithm with a size parameter of 0.7 in a phase space region covering jet p_T from 74 GeV up to 2.5 TeV and jet absolute rapidity up to |y| = 3.0. The low-p_T jet range between 21 and 74 GeV is also studied up to |y| = 4.7, using a dedicated data sample corresponding to an integrated luminosity of 5.6 pb⁻¹. The measured jet cross section is corrected for detector effects and compared with the predictions from perturbative QCD at next-to-leading order (NLO) using various sets of parton distribution functions (PDF). Cross section ratios to the corresponding measurements performed at 2.76 and 7 TeV are presented. From the measured double-differential jet cross section, the value of the strong coupling constant evaluated at the Z mass is α_S(M_Z) = 0.1164_{− 0.0043} ^{+ 0.0060}, where the errors include the PDF, scale, nonperturbative effects and experimental uncertainties, using the CT10 NLO PDFs. Improved constraints on PDFs based on the inclusive jet cross section measurement are presented.[Figure not available: see fulltext.]

langue originale	Anglais
Numéro d'article	156
journal	Journal of High Energy Physics
Volume	2017
Numéro de publication	3
Les DOIs	https://doi.org/10.1007/JHEP03(2017)156
état	Publié - 1 mars 2017

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10.1007/JHEP03(2017)156

Contient cette citation

@article{87cedfbbf90b4b0f8507bc451732839e,

title = "Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at √s=8 TeV and cross section ratios to 2.76 and 7 TeV",

abstract = "A measurement of the double-differential inclusive jet cross section as a function of the jet transverse momentum pT and the absolute jet rapidity |y| is presented. Data from LHC proton-proton collisions at s=8 TeV, corresponding to an integrated luminosity of 19.7 fb−1, have been collected with the CMS detector. Jets are reconstructed using the anti-kT clustering algorithm with a size parameter of 0.7 in a phase space region covering jet pT from 74 GeV up to 2.5 TeV and jet absolute rapidity up to |y| = 3.0. The low-pT jet range between 21 and 74 GeV is also studied up to |y| = 4.7, using a dedicated data sample corresponding to an integrated luminosity of 5.6 pb−1. The measured jet cross section is corrected for detector effects and compared with the predictions from perturbative QCD at next-to-leading order (NLO) using various sets of parton distribution functions (PDF). Cross section ratios to the corresponding measurements performed at 2.76 and 7 TeV are presented. From the measured double-differential jet cross section, the value of the strong coupling constant evaluated at the Z mass is αS(MZ) = 0.1164− 0.0043 + 0.0060, where the errors include the PDF, scale, nonperturbative effects and experimental uncertainties, using the CT10 NLO PDFs. Improved constraints on PDFs based on the inclusive jet cross section measurement are presented.[Figure not available: see fulltext.]",

keywords = "Hadron-Hadron scattering (experiments), Jet physics, Jets, QCD, protonproton scattering",

author = "\{The CMS collaboration\} and V. Khachatryan and Sirunyan, \{A. M.\} and A. Tumasyan and W. Adam and E. Asilar and T. Bergauer and J. Brandstetter and E. Brondolin and M. Dragicevic and J. Er{\"o} and M. Flechl and M. Friedl and R. Fr{\"u}hwirth and Ghete, \{V. M.\} and C. Hartl and N. H{\"o}rmann and J. Hrubec and M. Jeitler and A. K{\"o}nig and I. Kr{\"a}tschmer and D. Liko and T. Matsushita and I. Mikulec and D. Rabady and N. Rad and B. Rahbaran and H. Rohringer and J. Schieck and J. Strauss and W. Treberer-Treberspurg and W. Waltenberger and Wulz, \{C. E.\} and V. Mossolov and N. Shumeiko and \{Suarez Gonzalez\}, J. and S. Alderweireldt and \{De Wolf\}, \{E. A.\} and X. Janssen and A. Zghiche and F. Beaudette and O. Davignon and \{Granier de Cassagnac\}, R. and M. Nguyen and C. Ochando and P. Paganini and R. Salerno and Y. Sirois and A. Zabi and Sauvan, \{J. B.\} and \{De Wit\}, A.",

note = "Publisher Copyright: {\textcopyright} 2017, The Author(s).",

year = "2017",

month = mar,

day = "1",

doi = "10.1007/JHEP03(2017)156",

language = "English",

volume = "2017",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

number = "3",

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TY - JOUR

T1 - Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at √s=8 TeV and cross section ratios to 2.76 and 7 TeV

AU - The CMS collaboration

AU - Khachatryan, V.

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Asilar, E.

AU - Bergauer, T.

AU - Brandstetter, J.

AU - Brondolin, E.

AU - Dragicevic, M.

AU - Erö, J.

AU - Flechl, M.

AU - Friedl, M.

AU - Frühwirth, R.

AU - Ghete, V. M.

AU - Hartl, C.

AU - Hörmann, N.

AU - Hrubec, J.

AU - Jeitler, M.

AU - König, A.

AU - Krätschmer, I.

AU - Liko, D.

AU - Matsushita, T.

AU - Mikulec, I.

AU - Rabady, D.

AU - Rad, N.

AU - Rahbaran, B.

AU - Rohringer, H.

AU - Schieck, J.

AU - Strauss, J.

AU - Treberer-Treberspurg, W.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Mossolov, V.

AU - Shumeiko, N.

AU - Suarez Gonzalez, J.

AU - Alderweireldt, S.

AU - De Wolf, E. A.

AU - Janssen, X.

AU - Zghiche, A.

AU - Beaudette, F.

AU - Davignon, O.

AU - Granier de Cassagnac, R.

AU - Nguyen, M.

AU - Ochando, C.

AU - Paganini, P.

AU - Salerno, R.

AU - Sirois, Y.

AU - Zabi, A.

AU - Sauvan, J. B.

AU - De Wit, A.

PY - 2017/3/1

Y1 - 2017/3/1

N2 - A measurement of the double-differential inclusive jet cross section as a function of the jet transverse momentum pT and the absolute jet rapidity |y| is presented. Data from LHC proton-proton collisions at s=8 TeV, corresponding to an integrated luminosity of 19.7 fb−1, have been collected with the CMS detector. Jets are reconstructed using the anti-kT clustering algorithm with a size parameter of 0.7 in a phase space region covering jet pT from 74 GeV up to 2.5 TeV and jet absolute rapidity up to |y| = 3.0. The low-pT jet range between 21 and 74 GeV is also studied up to |y| = 4.7, using a dedicated data sample corresponding to an integrated luminosity of 5.6 pb−1. The measured jet cross section is corrected for detector effects and compared with the predictions from perturbative QCD at next-to-leading order (NLO) using various sets of parton distribution functions (PDF). Cross section ratios to the corresponding measurements performed at 2.76 and 7 TeV are presented. From the measured double-differential jet cross section, the value of the strong coupling constant evaluated at the Z mass is αS(MZ) = 0.1164− 0.0043 + 0.0060, where the errors include the PDF, scale, nonperturbative effects and experimental uncertainties, using the CT10 NLO PDFs. Improved constraints on PDFs based on the inclusive jet cross section measurement are presented.[Figure not available: see fulltext.]

AB - A measurement of the double-differential inclusive jet cross section as a function of the jet transverse momentum pT and the absolute jet rapidity |y| is presented. Data from LHC proton-proton collisions at s=8 TeV, corresponding to an integrated luminosity of 19.7 fb−1, have been collected with the CMS detector. Jets are reconstructed using the anti-kT clustering algorithm with a size parameter of 0.7 in a phase space region covering jet pT from 74 GeV up to 2.5 TeV and jet absolute rapidity up to |y| = 3.0. The low-pT jet range between 21 and 74 GeV is also studied up to |y| = 4.7, using a dedicated data sample corresponding to an integrated luminosity of 5.6 pb−1. The measured jet cross section is corrected for detector effects and compared with the predictions from perturbative QCD at next-to-leading order (NLO) using various sets of parton distribution functions (PDF). Cross section ratios to the corresponding measurements performed at 2.76 and 7 TeV are presented. From the measured double-differential jet cross section, the value of the strong coupling constant evaluated at the Z mass is αS(MZ) = 0.1164− 0.0043 + 0.0060, where the errors include the PDF, scale, nonperturbative effects and experimental uncertainties, using the CT10 NLO PDFs. Improved constraints on PDFs based on the inclusive jet cross section measurement are presented.[Figure not available: see fulltext.]

KW - Hadron-Hadron scattering (experiments)

KW - Jet physics

KW - Jets

KW - QCD

KW - protonproton scattering

U2 - 10.1007/JHEP03(2017)156

DO - 10.1007/JHEP03(2017)156

M3 - Article

AN - SCOPUS:85017037401

SN - 1126-6708

VL - 2017

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 3

M1 - 156

ER -

Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at √s=8 TeV and cross section ratios to 2.76 and 7 TeV

Résumé

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