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

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

CMS Collaboration

Laboratoire d’Annecy-le-Vieux de Physique des Particules
Plasma Physics Research Center
CERN
Scuola Superiore Meridionale (SSM)
A. Alikhanian Yerevan Institute of Physics
Austrian Academy of Sciences
TU Wien
Belarusian State University
University of Antwerp
Vrije Universiteit Brussel
Saha Institute of Nuclear Physics
Université libre de Bruxelles
Peking University
Ghent University
Université catholique de Louvain
Institut de Recherches Subatomiques
Universite de Mons
Centro Brasileiro de Pesquisas Físicas
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Universidade Federal do ABC
CNRS
Bulgarian Academy of Sciences
Sofia University St. Kliment Ohridski
Beihang University
CAS - Institute of High Energy Physics
German Electron Synchrotron
Universidad de los Andes Colombia
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University of Split
Ruder Boskovic Institute
University of Cyprus
Charles University
Joint Institute for Nuclear Research
Universidad San Francisco de Quito
Academy of Scientific Research and Technology
Suez University
The British University in Egypt
Ain Shams University
Cairo University
Helwan University
National Institute of Chemical Physics and Biophysics, Tallinn
University of Helsinki
Lappeenranta-Lahti University of Technology
Université Paris-Saclay
Laboratoire Leprince-Ringuet
Université de Haute-Alsace
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
Universite Claude Bernard Lyon 1
Lomonosov Moscow State University
Georgian Technical University
Ivane Javakhishvili Tbilisi State University
RWTH Aachen University
University of Hamburg
Brandenburg University of Technology
Karlsruhe Institute of Technology
Demokritos National Centre for Scientific Research
National and Kapodistrian University of Athens
University of Ioannina
Eötvös Loránd University
Wigner Research Centre for Physics
Institute for Nuclear Research
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
Indian Institute of Technology Madras
Bhabha Atomic Research Centre
Tata Institute of Fundamental Research
Visva-Bharati University
University of Ruhuna
Indian Institute of Science Education and Research Pune
Institute for Research for Fundamental Sciences
Isfahan University of Technology
University of Tehran
Islamic Azad University
University College Dublin
National Institute for Nuclear Physics
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Korea University
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Malaysian Nuclear Agency
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Benemerita Universidad Autonoma de Puebla
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University of Warsaw
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Laboratório de Instrumentação e Física Experimental de Partículas
Institute for Nuclear Research of the Russian Academy of Sciences
Moscow Engineering Physics Institute
Petersburg Nuclear Physics Institute (PNPI)
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University of Florida
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Academy of Sciences Rusia
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CIEMAT
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Yildiz Technical University
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Hacettepe University
NASU - Institute for Single Crystals
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Rutherford Appleton Laboratory
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Imperial College London
Instituto de Astrofísica de Canarias
Brunel University London
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103 Citas (Scopus)

Resumen

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.]

Idioma original	Inglés
Número de artículo	156
Publicación	Journal of High Energy Physics
Volumen	2017
N.º	3
DOI	https://doi.org/10.1007/JHEP03(2017)156
Estado	Publicada - 1 mar 2017
Publicado de forma externa	Sí

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10.1007/JHEP03(2017)156

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@article{cd8f5bd9802047baa5b5b88cebe25c97,

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 = "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 J. Lauwers and \{Van De Klundert\}, M. and \{Van Haevermaet\}, H. and \{Van Mechelen\}, P. and \{Van Remortel\}, N. and \{Van Spilbeeck\}, A. and \{Abu Zeid\}, S. and F. Blekman and J. D{\textquoteright}Hondt and N. Daci and \{De Bruyn\}, I. and S. Thakur and \{CMS Collaboration\}",

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",

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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 - 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 - Lauwers, J.

AU - Van De Klundert, M.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Van Remortel, N.

AU - Van Spilbeeck, A.

AU - Abu Zeid, S.

AU - Blekman, F.

AU - D’Hondt, J.

AU - Daci, N.

AU - De Bruyn, I.

AU - Thakur, S.

AU - CMS Collaboration

PY - 2017/3/1

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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

UR - https://www.scopus.com/pages/publications/85017037401

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

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