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Study of dijet events with a large rapidity gap between the two leading jets in pp collisions at √s=7TeV

  • 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
  • Institut Pluridisciplinaire Hubert Curien
  • 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
  • German Electron Synchrotron
  • 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
  • The British University in Egypt
  • Cairo University
  • Zewail City of Science and Technology
  • 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
  • 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
  • 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
  • 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
  • Visva-Bharati University
  • Indian Institute of Science Education and Research Bhopal
  • 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
  • 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
  • Scuola Normale Superiore di Pisa
  • University of Pisa
  • Purdue University
  • University of Rome La Sapienza
  • University of Turin
  • University of Eastern Piedmont
  • University of Trieste
  • Kyungpook National University
  • Korea University
  • Jeonbuk National University
  • Chonnam National University
  • University of Seoul
  • Hanyang University
  • Seoul National University
  • Sungkyunkwan 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
  • 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
  • Adiyaman University
  • Istanbul Aydin University
  • Mersin University
  • Cag University
  • Piri Reis University
  • Gaziosmanpasa 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
  • California Institute of Technology
  • 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
  • Argonne National Laboratory
  • 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
  • Rockefeller University
  • Rutgers - The State University of New Jersey, New Brunswick
  • University of Tennessee, Knoxville
  • Texas A&M University
  • Vanderbilt University
  • University of Virginia
  • Wayne State University
  • University of Wisconsin-Madison

Araştırma sonucu: Dergiye katkıMakalebilirkişi

16 Atıf (Scopus)

Özet

Events with no charged particles produced between the two leading jets are studied in proton-proton collisions at s=7TeV. The jets were required to have transverse momentum pTjet>40GeV and pseudorapidity 1.5 < | ηjet| < 4.7 , and to have values of ηjet with opposite signs. The data used for this study were collected with the CMS detector during low-luminosity running at the LHC, and correspond to an integrated luminosity of 8pb-1. Events with no charged particles with pT> 0.2 GeV in the interval - 1 < η< 1 between the jets are observed in excess of calculations that assume no color-singlet exchange. The fraction of events with such a rapidity gap, amounting to 0.5–1% of the selected dijet sample, is measured as a function of the pT of the second-leading jet and of the rapidity separation between the jets. The data are compared to previous measurements at the Tevatron, and to perturbative quantum chromodynamics calculations based on the Balitsky–Fadin–Kuraev–Lipatov evolution equations, including different models of the non-perturbative gap survival probability.

Orijinal dilİngilizce
Makale numarası242
DergiEuropean Physical Journal C
Hacim78
Basın numarası3
DOI'lar
Yayın durumuYayınlandı - 1 Mar 2018

Bibliyografik not

Publisher Copyright:
© 2018, CERN for the benefit of the CMS collaboration.

Finansman

Acknowledgements We would like to thank Andreas Ekstedt, Rikard Enberg, and Gunnar Ingelman for providing the next-to-LL BFKL analytical predictions of their model. We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centers and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); SENESCYT (Ecuador); MoER, ERC IUT, and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); BUAP, CIN-VESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RAS, RFBR and RAEP (Russia); MESTD (Serbia); SEIDI, CPAN, PCTI and FEDER (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR, and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA). Individuals have received support from the Marie-Curie program and the European Research Council and Horizon 2020 Grant, contract No. 675440 (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the 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 Tech-nologie (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 program of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund, the Mobility Plus program 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 Severo Ochoa del Principado de Asturias; the Thalis and Aristeia programs cofinanced by EU-ESF and the Greek NSRF; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University and the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); the Welch Foundation, contract C-1845; and the Weston Havens Foundation (USA).

FinansörlerFinansör numarası
CPAN
EU-ESF
MSES
MoER
PCTI
RAEP
STAR
National Science Foundation
National Institutes of Health
U.S. Department of Energy
Alfred P. Sloan Foundation
Welch FoundationC-1845
Hispanics in Philanthropy
Alexander von Humboldt-Stiftung
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
Qatar National Research Fund
Ministry of Education and Science
Direktion für Entwicklung und Zusammenarbeit
Secretaría de Educación Pública
Türkiye Atom Enerjisi Kurumu
Horizon 2020 Framework Programme
Weston Havens Foundation
Louisiana Academy of Sciences
CERN
Thailand Center of Excellence in Physics
Cosmetic Surgery Foundation
Institute for the Promotion of Teaching Science and Technology
Ministerstwo Obrony Narodowej
Science and Technology Facilities Council
European Commission
European Research Council
Department of Science and Technology, Ministry of Science and Technology, India
Council of Scientific and Industrial Research, India
Ministry of Education - Singapore
Department of Atomic Energy, Government of India
Taighde Éireann - Research Ireland
Helmholtz-Gemeinschaft
Deutsche Forschungsgemeinschaft
Fundação de Amparo à Pesquisa do Estado de São Paulo
National Natural Science Foundation of China
Research Promotion Foundation
Ministerstvo Školství, Mládeže a Tělovýchovy
National Science Council
Fundacja na rzecz Nauki Polskiej
Fundação para a Ciência e a Tecnologia
Russian Foundation for Basic Research
Eesti Teadusagentuur
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Academy of Finland
Bundesministerium für Bildung und Forschung
Chinese Academy of Sciences
Austrian Science Fund
Fonds De La Recherche Scientifique - FNRS
Russian Academy of Sciences
Belgian Federal Science Policy Office
Chulalongkorn University
Federación Española de Enfermedades Raras
Fonds Wetenschappelijk Onderzoek
Agentschap voor Innovatie door Wetenschap en Technologie
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
Consejo Nacional de Ciencia y Tecnología
Ministerio de Educación, Cultura y Deporte
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
General Secretariat for Research and Technology
Ministry of Business, Innovation and Employment
Hungarian Scientific Research Fund
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Ministry of Science, ICT and Future Planning
National Research Foundation of Korea
Joint Institute for Nuclear Research
Instituto Nazionale di Fisica Nucleare
A.G. Leventis Foundation
National Science and Technology Development AgencyThailand
Narodowe Centrum Nauki2014/15/B/ST2/03998, 2015/19/B/ST2/02861, 2014/14/M/ST2/00428, 2014/13/B/ST2/02543, 2012/07/ E/ST2/01406
Secretaría de Educación Superior, Ciencia, Tecnología e Innovación
Universiti Malaya
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Ministerstwo Edukacji i Nauki
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Ministry of Science and Technology, Taiwan
National Academy of Sciences of Ukraine
Centre National de la Recherche Scientifique
Universidad Autónoma de San Luis Potosí
Ministry of Education and Science
Institute for Research in Fundamental Sciences
Benemérita Universidad Autónoma de Puebla
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
Secretaría de Estado de Investigación, Desarrollo e Innovación
Horizon 2020675440
European Regional Development Fund
State Atomic Energy Corporation ROSATOM
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
Pakistan Atomic Energy Commission
State Fund for Fundamental Research of Ukraine
Institut National de Physique Nucléaire et de Physique des Particules
Laboratorio Nacional de Supercómputo del Sureste de Mexico

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