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Studies of Charm Quark Diffusion inside Jets Using Pb-Pb and pp Collisions at sNN =5.02 TeV

  • 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
  • University of Kansas
  • Ghent University
  • Université Paris-Saclay
  • Université catholique de Louvain
  • Centro Brasileiro de Pesquisas Físicas
  • Universidade do Estado do Rio de Janeiro
  • Universidade Estadual de Campinas
  • Universidade Federal do Rio Grande do Sul
  • Universidade Estadual Paulista Júlio de Mesquita Filho
  • Universidade Federal do ABC
  • Bulgarian Academy of Sciences
  • Sofia University St. Kliment Ohridski
  • Beihang University
  • Tsinghua University
  • University of Virginia
  • CAS - Institute of High Energy Physics
  • Quaid-I-Azam University
  • CERN
  • University of Chinese Academy of Sciences
  • University of California at Davis
  • Texas Tech University
  • Peking University
  • Universidad de los Andes Colombia
  • University of Split
  • Ruder Boskovic Institute
  • Alikhanov Institute for Theoretical and Experimental Physics
  • University of Cyprus
  • Charles University
  • Joint Institute for Nuclear Research
  • Escuela Politécnica Nacional
  • Universidad San Francisco de Quito
  • Academy of Scientific Research and Technology
  • Cairo University
  • The British University in Egypt
  • Al-Fayoum University
  • National Institute of Chemical Physics and Biophysics, Tallinn
  • University of Helsinki
  • Helsinki Institute of Physics
  • Lappeenranta-Lahti University of Technology
  • Laboratoire Leprince-Ringuet
  • King Abdulaziz University
  • 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
  • Saha Institute of Nuclear Physics
  • German Electron Synchrotron
  • University of Hamburg
  • Brandenburg University of Technology
  • Karlsruhe Institute of Technology
  • 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
  • Indian Institute of Science Education and Research Pune
  • University of Delhi
  • Shoolini University of Biotechnology and Management Sciences
  • Tata Institute of Fundamental Research
  • Northwestern University
  • Indian Institute of Technology Madras
  • Homi Bhabha National Institute
  • Fermi National Accelerator Laboratory
  • Visva-Bharati University
  • Institute for Research for Fundamental Sciences
  • Isfahan University of Technology
  • 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
  • University of Rome La Sapienza
  • University of Turin
  • University of Eastern Piedmont
  • University of Trieste
  • Kyungpook National University
  • Sungkyunkwan University
  • Brown University
  • Korea University
  • Chonnam National University
  • University of Seoul
  • Hanyang University
  • Kyung Hee University
  • Seoul National University
  • Sejong University
  • Vilnius University
  • University of Malaya
  • International Islamic University Malaysia
  • Malaysian Nuclear Agency
  • Universidad de Sonora
  • 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
  • Academy of Sciences of the Republic of Uzbekistan
  • RAS - Saint Petersburg Nuclear Physics Institute
  • Peter the Great St. Petersburg Polytechnic University
  • University of Florida
  • 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
  • Tomsk Polytechnic University
  • University of Belgrade
  • CIEMAT
  • Universidad Autónoma de Madrid
  • University of Oviedo
  • Universidad de Cantabria
  • University of Ruhuna
  • Riga Technical University
  • Paul Scherrer Institute
  • University of Zurich
  • Swiss Federal Institute of Technology Zurich
  • National Central University
  • National Taiwan University
  • University of California at San Diego
  • Chulalongkorn University
  • Cukurova University
  • Adiyaman University
  • Istanbul Aydin University
  • Mersin University
  • Piri Reis University
  • Middle East Technical University
  • Ozyegin University
  • Izmir Institute of Technology
  • Bogazici University
  • Marmara University
  • Kafkas University
  • Istanbul Bilgi 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
  • Monash University
  • Brunel University London
  • Baylor University
  • Catholic University of America
  • University of Alabama
  • Boston University
  • Bethel University
  • Karamanoglu Mehmetbey University
  • University of California at Los Angeles
  • University of California at Riverside
  • University of Wisconsin-Madison
  • Utah Valley University
  • University of California at Santa Barbara
  • California Institute of Technology
  • Carnegie Mellon University
  • University of Colorado Boulder
  • Cornell University
  • Purdue 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
  • Bingol University
  • Sinop University
  • Mimar Sinan Guzel Sanatlar University
  • Johns Hopkins University
  • 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
  • Rice University
  • Ohio State University
  • Princeton University
  • Purdue University Northwest
  • University of Rochester
  • Rutgers - The State University of New Jersey, New Brunswick
  • University of Tennessee, Knoxville
  • Texas A&M University
  • Vanderbilt University
  • Wayne State University

Araştırma sonucu: Dergiye katkıMakalebilirkişi

16 Atıf (Scopus)

Özet

The first study of charm quark diffusion with respect to the jet axis in heavy ion collisions is presented. The measurement is performed using jets with pTjet>60 GeV/c and D0 mesons with pTD>4 GeV/c in lead-lead (Pb-Pb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of sNN=5.02 TeV, recorded by the CMS detector at the LHC. The radial distribution of D0 mesons with respect to the jet axis is sensitive to the production mechanisms of the meson, as well as to the energy loss and diffusion processes undergone by its parent parton inside the strongly interacting medium produced in Pb-Pb collisions. When compared to Monte Carlo event generators, the radial distribution in pp collisions is found to be well described by pythia, while the slope of the distribution predicted by sherpa is steeper than that of the data. In Pb-Pb collisions, compared to the pp results, the D0 meson distribution for 4<pTD<20 GeV/c hints at a larger distance on average with respect to the jet axis, reflecting a diffusion of charm quarks in the medium created in heavy ion collisions. At higher pTD, the Pb-Pb and pp radial distributions are found to be similar.

Orijinal dilİngilizce
Makale numarası102001
DergiPhysical Review Letters
Hacim125
Basın numarası10
DOI'lar
Yayın durumuYayınlandı - 4 Eyl 2020

Bibliyografik not

Publisher Copyright:
© 2020 CERN.

Finansman

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: BMBWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, FAPERGS, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); SENESCYT (Ecuador); MoER, ERC IUT, PUT, and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); NKFIA (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); MES (Latvia); LAS (Lithuania); MOE and UM (Malaysia); BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); MOS (Montenegro); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RAS, RFBR, and NRC KI (Russia); MESTD (Serbia); SEIDI, CPAN, PCTI, and FEDER (Spain); MOSTR (Sri Lanka); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR, and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF (U.S.).

FinansörlerFinansör numarası
CPAN
ERC IUT
LNS
MESTD
MON
MSES
MSHE
MoER
PCTI
STAR
Swiss Funding Agencies
TUBITAK
UASLP-FAI
National Science Foundation
U.S. Department of Energy
Hispanics in Philanthropy
Maryland Ornithological Society
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
Secretaría de Educación Pública
Türkiye Atom Enerjisi Kurumu
Louisiana Academy of Sciences
Missouri University of Science and Technology
CERN
Thailand Center of Excellence in Physics
Cosmetic Surgery Foundation
Institute for the Promotion of Teaching Science and Technology
Science and Technology Facilities CouncilGRIDPP
Department of Science and Technology, Ministry of Science and Technology, 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
National Science Council
Fundação para a Ciência e a Tecnologia
Russian Foundation for Basic Research
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
Fonds Wetenschappelijk Onderzoek
Consejo Nacional de Ciencia y Tecnología
Ministerio de Economía y Competitividad
General Secretariat for Research and Technology
Ministry of Business, Innovation and Employment
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
National Science and Technology Development AgencyThailand
Politechnika Poznańska
Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul
Secretaría de Educación Superior, Ciencia, Tecnología e Innovación
Universiti Malaya
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
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
European Regional Development Fund
State Atomic Energy Corporation ROSATOM
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
Pakistan Atomic Energy Commission
Ministry of Science,Technology and Research
Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie
Institut National de Physique Nucléaire et de Physique des Particules
Nemzeti Kutatási, Fejlesztési és Innovaciós Alap
National Research Center "Kurchatov Institute"

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