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Measurement of the triple-differential dijet cross section in proton-proton collisions at √s=8TeV and constraints on parton distribution functions

  • CMS Collaboration
  • A. Alikhanian Yerevan Institute of Physics
  • Austrian Academy of Sciences
  • TU Wien
  • Belarusian State University
  • University of Antwerp
  • Vrije Universiteit Brussel
  • Université libre de Bruxelles
  • Peking University
  • Ghent University
  • Université catholique de Louvain
  • Universite de Mons
  • Centro Brasileiro de Pesquisas Físicas
  • Universidade do Estado do Rio de Janeiro
  • Universidade Estadual de Campinas
  • Universidade Federal de Pelotas
  • Universidade Estadual Paulista Júlio de Mesquita Filho
  • Universidade Federal do ABC
  • Bulgarian Academy of Sciences
  • Sofia University St. Kliment Ohridski
  • Beihang University
  • CAS - Institute of High Energy Physics
  • Quaid-I-Azam University
  • CERN
  • Texas Tech University
  • Universidad de los Andes Colombia
  • Universidad de Antioquia
  • 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
  • Helwan University
  • Zewail City of Science and Technology
  • The British University in Egypt
  • Ain Shams University
  • National Institute of Chemical Physics and Biophysics, Tallinn
  • University of Helsinki
  • Helsinki Institute of Physics
  • Lappeenranta-Lahti University of Technology
  • Université Paris-Saclay
  • Saha Institute of Nuclear Physics
  • Institut Pluridisciplinaire Hubert Curien
  • Université de Haute-Alsace
  • CNRS/IN2P3
  • Universite Claude Bernard Lyon 1
  • Lomonosov Moscow State University
  • Georgian Technical University
  • Ivane Javakhishvili Tbilisi State University
  • RWTH Aachen University
  • German Electron Synchrotron
  • University of Hamburg
  • Brandenburg University of Technology
  • Institut für Experimentelle Kernphysik
  • University of California at Los Angeles
  • Demokritos National Centre for Scientific Research
  • National and Kapodistrian University of Athens
  • National Technical University of Athens
  • University of Ioannina
  • Eotvos Lorand University
  • Wigner Research Centre for Physics
  • Institute for Nuclear Research
  • University of Debrecen
  • Indian Institute of Science Bangalore
  • National Institute of Science Education and Research
  • Indian Institute of Technology Bhubaneswar
  • Institute of Physics Bhubaneswar
  • Panjab University
  • University of Delhi
  • University of California at San Diego
  • Northwestern University
  • Indian Institute of Technology Madras
  • Homi Bhabha National Institute
  • Tata Institute of Fundamental Research
  • Fermi National Accelerator Laboratory
  • Visva-Bharati University
  • University of Ruhuna
  • Indian Institute of Science Education and Research Pune
  • University of California at Davis
  • Institute for Research for Fundamental Sciences
  • Isfahan University of Technology
  • Yazd University
  • Islamic Azad University
  • University College Dublin
  • National Institute for Nuclear Physics
  • University of Bari
  • Polytechnic University of Bari
  • University of Bologna
  • University of Catania
  • University of Florence
  • University of Siena
  • University of Genoa
  • University of Milan - Bicocca
  • University of Basilicata
  • University of Naples Federico II
  • Università G. Marconi
  • University of Padua
  • University of Pavia
  • University of Perugia
  • University of Pisa
  • Scuola Normale Superiore di Pisa
  • Purdue University
  • University of Rome La Sapienza
  • University of Turin
  • University of Eastern Piedmont
  • University of Trieste
  • Kyungpook National University
  • Sungkyunkwan University
  • Korea University
  • Jeonbuk National University
  • Chonnam National University
  • University of Seoul
  • Hanyang University
  • Seoul National University
  • Vilnius University
  • University of Malaya
  • International Islamic University Malaysia
  • Malaysian Nuclear Agency
  • Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
  • Consejo Nacional de Ciencia y Tecnologia Mexico
  • Universidad Iberoamericana (UIA)
  • Benemerita Universidad Autonoma de Puebla
  • Universidad Autonoma de San Luis Potosi
  • The University of Auckland
  • University of Canterbury
  • National Centre for Nuclear Research
  • University of Warsaw
  • Warsaw University of Technology
  • Laboratório de Instrumentação e Física Experimental de Partículas
  • RAS - Institute for Nuclear Research
  • Moscow Engineering Physics Institute
  • RAS - Saint Petersburg Nuclear Physics Institute
  • Peter the Great St. Petersburg Polytechnic University
  • University of Florida
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Moscow Institute of Physics and Technology
  • RAS - P.N. Lebedev Physics Institute
  • Rutherford Appleton Laboratory
  • University of Southampton
  • California Institute of Technology
  • Novosibirsk State University
  • RAS - Budker Institute of Nuclear Physics
  • Institute for High Energy Physics
  • University of Belgrade
  • CIEMAT
  • Universidad Autónoma de Madrid
  • University of Oviedo
  • Universidad de Cantabria
  • Riga Technical University
  • Paul Scherrer Institute
  • Swiss Federal Institute of Technology Zurich
  • University of Zurich
  • University of Bern
  • National Central University
  • National Taiwan University
  • Chulalongkorn University
  • Cukurova University
  • Gaziosmanpasa University
  • Adiyaman University
  • Istanbul Aydin University
  • Mersin University
  • Cag University
  • Piri Reis University
  • Middle East Technical University
  • Ozyegin University
  • Izmir Institute of Technology
  • Bogazici University
  • Marmara University
  • Kafkas University
  • Istanbul Bilgi University
  • Yildiz Technical University
  • Istanbul Technical University
  • Hacettepe University
  • NASU - Institute for Single Crystals
  • NASU - Kharkov Institute of Physics and Technology
  • University of Bristol
  • Imperial College London
  • University of Puerto Rico
  • Instituto de Astrofísica de Canarias
  • Brunel University London
  • Baylor University
  • Catholic University of America
  • University of Alabama
  • Boston University
  • Brown University
  • University of California at Riverside
  • Utah Valley University
  • University of California at Santa Barbara
  • Carnegie Mellon University
  • University of Colorado Boulder
  • Cornell University
  • Fairfield University
  • Massachusetts Institute of Technology
  • Florida International University
  • Florida State University
  • Florida Institute of Technology
  • University of Illinois at Chicago
  • University of Iowa
  • Beykent University
  • Erzincan University
  • Mimar Sinan Guzel Sanatlar University
  • Johns Hopkins University
  • University of Kansas
  • Kansas State University
  • Lawrence Livermore National Laboratory
  • University of Maryland, College Park
  • University of Minnesota Twin Cities
  • University of Mississippi
  • University of Nebraska-Lincoln
  • SUNY Buffalo
  • Northeastern University
  • University of Notre Dame
  • Ohio State University
  • Princeton University
  • Purdue University Northwest
  • Rice University
  • University of Rochester
  • Rutgers - The State University of New Jersey, New Brunswick
  • University of Tennessee, Knoxville
  • Texas A&M University
  • Texas A&M University at Qatar
  • Vanderbilt University
  • University of Virginia
  • Wayne State University
  • University of Wisconsin-Madison

Araştırma sonucu: Dergiye katkıMakalebilirkişi

45 Atıf (Scopus)

Özet

A measurement is presented of the triple-differential dijet cross section at a centre-of-mass energy of 8TeV using 19.7fb-1 of data collected with the CMS detector in proton-proton collisions at the LHC. The cross section is measured as a function of the average transverse momentum, half the rapidity separation, and the boost of the two leading jets in the event. The cross section is corrected for detector effects and compared to calculations in perturbative quantum chromodynamics at next-to-leading order accuracy, complemented with electroweak and nonperturbative corrections. New constraints on parton distribution functions are obtained and the inferred value of the strong coupling constant is αS(MZ)=0.1199±0.0015(exp)-0.0020+0.0031(theo), where MZ is the mass of the Z boson.

Orijinal dilİngilizce
Makale numarası746
DergiEuropean Physical Journal C
Hacim77
Basın numarası11
DOI'lar
Yayın durumuYayınlandı - 1 Kas 2017

Bibliyografik not

Publisher Copyright:
© 2017, CERN for the benefit of the CMS collaboration.

Finansman

Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund, the Mobility Plus programme of the Ministry of Science and Higher Education, the National Science Center (Poland), contracts Harmonia 2014/14/M/ST2/00428, Opus 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, and 2015/19/B/ST2/ 02861, Sonata-bis 2012/07/E/ST2/01406; the National Priorities Research Program by Qatar National Research Fund; the Programa Clarín-COFUND del Principado de Asturias; the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chula-longkorn University and the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); and the Welch Foundation, contract C-1845.

FinansörlerFinansör numarası
EU-ESF
National Science Foundation1606321, 1151640, 1506168, 1506130
Welch FoundationC-1845
Alexander von Humboldt-Stiftung
Qatar National Research Fund
Ministry of Education and Science
Science and Technology Facilities CouncilPP/E000479/1, GRIDPP, ST/H000925/1
European Commission
Council of Scientific and Industrial Research, India
Ministerstvo Školství, Mládeže a Tělovýchovy
Fundacja na rzecz Nauki Polskiej
Belgian Federal Science Policy Office
Chulalongkorn University
Agentschap voor Innovatie door Wetenschap en Technologie
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
Narodowe Centrum Nauki2014/15/B/ST2/03998, 2012/07/E/ST2/01406, 2015/19/B/ST2/ 02861, 2014/14/M/ST2/00428, 2014/13/B/ST2/02543
European Regional Development Fund

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