Measurement of inelastic, single- and double-diffraction cross sections in proton-proton collisions at the LHC with ALICE

. 2013 ; 73 (6) : 2456. [epub] 20130608

Status PubMed-not-MEDLINE Jazyk angličtina Země Francie Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid25814861

Measurements of cross sections of inelastic and diffractive processes in proton-proton collisions at LHC energies were carried out with the ALICE detector. The fractions of diffractive processes in inelastic collisions were determined from a study of gaps in charged particle pseudorapidity distributions: for single diffraction (diffractive mass MX <200 GeV/c2) [Formula: see text], and [Formula: see text], respectively at centre-of-mass energies [Formula: see text]; for double diffraction (for a pseudorapidity gap Δη>3) σDD/σINEL=0.11±0.03,0.12±0.05, and [Formula: see text], respectively at [Formula: see text]. To measure the inelastic cross section, beam properties were determined with van der Meer scans, and, using a simulation of diffraction adjusted to data, the following values were obtained: [Formula: see text] mb at [Formula: see text] and [Formula: see text] at [Formula: see text]. The single- and double-diffractive cross sections were calculated combining relative rates of diffraction with inelastic cross sections. The results are compared to previous measurements at proton-antiproton and proton-proton colliders at lower energies, to measurements by other experiments at the LHC, and to theoretical models.

5 Fock Institute for Physics St Petersburg State University St Petersburg Russia

Benemérita Universidad Autónoma de Puebla Puebla Mexico

Bogolyubov Institute for Theoretical Physics Kiev Ukraine

Budker Institute for Nuclear Physics Novosibirsk Russia

California Polytechnic State University San Luis Obispo California United States

Central China Normal University Wuhan China

Centre de Calcul de l'IN2P3 Villeurbanne France

Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear Havana Cuba

Centro de Investigación y de Estudios Avanzados Mexico City and Mérida Mexico

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas Madrid Spain

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas Madrid Spain ; Instituto de Física Universidad Nacional Autónoma de México Mexico City Mexico

Centro Fermi Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi Rome Italy

Chicago State University Chicago United States

Commissariat à l'Energie Atomique IRFU Saclay France

Departamento de Física de Partículas and IGFAE Universidad de Santiago de Compostela Santiago de Compostela Spain

Department of Physics Aligarh Muslim University Aligarh India

Department of Physics Aligarh Muslim University Aligarh India ; Physics Department University of Cape Town iThemba LABS Cape Town South Africa

Department of Physics and Technology University of Bergen Bergen Norway

Department of Physics Ohio State University Columbus Ohio United States

Department of Physics Sejong University Seoul South Korea

Department of Physics University of Oslo Oslo Norway

Dipartimento di Fisica 'E R Caianiello' dell'Università and Gruppo Collegato INFN Salerno Italy

Dipartimento di Fisica 'E R Caianiello' dell'Università and Gruppo Collegato INFN Salerno Italy ; Centro Fermi Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi Rome Italy

Dipartimento di Fisica dell'Università 'La Sapienza' and Sezione INFN Rome Italy

Dipartimento di Fisica dell'Università and Sezione INFN Bologna Italy

Dipartimento di Fisica dell'Università and Sezione INFN Bologna Italy ; Centro Fermi Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi Rome Italy

Dipartimento di Fisica dell'Università and Sezione INFN Bologna Italy ; European Organization for Nuclear Research Geneva Switzerland ; Centro Fermi Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi Rome Italy

Dipartimento di Fisica dell'Università and Sezione INFN Cagliari Italy

Dipartimento di Fisica dell'Università and Sezione INFN Trieste Italy

Dipartimento di Fisica dell'Università and Sezione INFN Trieste Italy ; Sezione INFN Trieste Italy

Dipartimento di Fisica dell'Università and Sezione INFN Turin Italy

Dipartimento di Fisica dell'Università and Sezione INFN Turin Italy ; Sezione INFN Turin Italy

Dipartimento di Fisica dell'Università e Astronomia and Sezione INFN Padova Italy

Dipartimento di Fisica dell'Università e Astronomia and Sezione INFN Padova Italy ; Sezione INFN Padova Italy

Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN Catania Italy

Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN Catania Italy ; Sezione INFN Catania Italy

Dipartimento di Scienze e Innovazione Tecnologica dell'Università del Piemonte Orientale and Gruppo Collegato INFN Alessandria Italy

Dipartimento Interateneo di Fisica 'M Merlin' and Sezione INFN Bari Italy

Dipartimento Interateneo di Fisica 'M Merlin' and Sezione INFN Bari Italy ; European Organization for Nuclear Research Geneva Switzerland

Division of Experimental High Energy Physics University of Lund Lund Sweden

Division of Experimental High Energy Physics University of Lund Lund Sweden ; Instituto de Ciencias Nucleares Universidad Nacional Autónoma de México Mexico City Mexico

Eberhard Karls Universität Tübingen Tübingen Germany

European Organization for Nuclear Research Geneva Switzerland

European Organization for Nuclear Research Geneva Switzerland ; Dipartimento di Fisica dell'Università and Sezione INFN Turin Italy

European Organization for Nuclear Research Geneva Switzerland ; Dipartimento di Fisica dell'Università e Astronomia and Sezione INFN Padova Italy

European Organization for Nuclear Research Geneva Switzerland ; Institut für Kernphysik Westfälische Wilhelms Universität Münster Münster Germany

European Organization for Nuclear Research Geneva Switzerland ; Instituto de Ciencias Nucleares Universidad Nacional Autónoma de México Mexico City Mexico

European Organization for Nuclear Research Geneva Switzerland ; SUBATECH Ecole des Mines de Nantes Université de Nantes CNRS IN2P3 Nantes France

European Organization for Nuclear Research Geneva Switzerland ; Université de Lyon Université Lyon 1 CNRS IN2P3 IPN Lyon Villeurbanne France

European Organization for Nuclear Research Geneva Switzerland ; Yerevan Physics Institute Yerevan Armenia

European Organization for Nuclear Research Geneva Switzerland ; Yildiz Technical University Istanbul Turkey

Faculty of Engineering Bergen University College Bergen Norway

Faculty of Mathematics Physics and Informatics Comenius University Bratislava Slovakia

Faculty of Nuclear Sciences and Physical Engineering Czech Technical University Prague Prague Czech Republic

Faculty of Nuclear Sciences and Physical Engineering Czech Technical University Prague Prague Czech Republic ; Nuclear Physics Institute Academy of Sciences of the Czech Republic Řež u Prahy Czech Republic

Faculty of Science P J Šafárik University Košice Slovakia

Frankfurt Institute for Advanced Studies Johann Wolfgang Goethe Universität Frankfurt Frankfurt Germany

Frankfurt Institute for Advanced Studies Johann Wolfgang Goethe Universität Frankfurt Frankfurt Germany ; Dipartimento di Fisica dell'Università e Astronomia and Sezione INFN Padova Italy ; Sezione INFN Padova Italy

Gangneung Wonju National University Gangneung South Korea

Helsinki Institute of Physics and University of Jyväskylä Jyväskylä Finland

Helsinki Institute of Physics and University of Jyväskylä Jyväskylä Finland ; Yonsei University Seoul South Korea

Hiroshima University Hiroshima Japan

Indian Institute of Technology Bombay Mumbai India

Indian Institute of Technology Indore Indore India

Institut de Physique Nucléaire d'Orsay Université Paris Sud CNRS IN2P3 Orsay France

Institut für Informatik Johann Wolfgang Goethe Universität Frankfurt Frankfurt Germany

Institut für Kernphysik Johann Wolfgang Goethe Universität Frankfurt Frankfurt Germany

Institut für Kernphysik Technische Universität Darmstadt Darmstadt Germany ; European Organization for Nuclear Research Geneva Switzerland

Institut für Kernphysik Westfälische Wilhelms Universität Münster Münster Germany

Institut Pluridisciplinaire Hubert Curien Université de Strasbourg CNRS IN2P3 Strasbourg France

Institute for High Energy Physics Protvino Russia

Institute for Nuclear Research Academy of Sciences Moscow Russia

Institute for Theoretical and Experimental Physics Moscow Russia

Institute of Experimental Physics Slovak Academy of Sciences Košice Slovakia

Institute of Physics Academy of Sciences of the Czech Republic Prague Czech Republic

Institute of Physics Bhubaneswar India

Institute of Space Sciences Bucharest Romania

Institute of Space Sciences Geneva Switzerland

Instituto de Ciencias Nucleares Universidad Nacional Autónoma de México Mexico City Mexico

Instituto de Ciencias Nucleares Universidad Nacional Autónoma de México Mexico City Mexico ; Rudjer Bošković Institute Zagreb Croatia

Instituto de Física Universidad Nacional Autónoma de México Mexico City Mexico

Joint Institute for Nuclear Research Dubna Russia

Joint Institute for Nuclear Research Dubna Russia ; Institute of Experimental Physics Slovak Academy of Sciences Košice Slovakia

KFKI Research Institute for Particle and Nuclear Physics Hungarian Academy of Sciences Budapest Hungary

KFKI Research Institute for Particle and Nuclear Physics Hungarian Academy of Sciences Budapest Hungary ; European Organization for Nuclear Research Geneva Switzerland

Kirchhoff Institut für Physik Ruprecht Karls Universität Heidelberg Heidelberg Germany ; Institut für Informatik Johann Wolfgang Goethe Universität Frankfurt Frankfurt Germany

Korea Institute of Science and Technology Information Daejeon South Korea

Laboratoire de Physique Corpusculaire Clermont Université Université Blaise Pascal CNRS IN2P3 Clermont Ferrand France

Laboratoire de Physique Corpusculaire Clermont Université Université Blaise Pascal CNRS IN2P3 Clermont Ferrand France ; Central China Normal University Wuhan China

Laboratoire de Physique Corpusculaire Clermont Université Université Blaise Pascal CNRS IN2P3 Clermont Ferrand France ; Dipartimento di Fisica dell'Università and Sezione INFN Turin Italy

Laboratoire de Physique Corpusculaire Clermont Université Université Blaise Pascal CNRS IN2P3 Clermont Ferrand France ; Gangneung Wonju National University Gangneung South Korea

Laboratoire de Physique Subatomique et de Cosmologie Université Joseph Fourier CNRS IN2P3 Institut Polytechnique de Grenoble Grenoble France

Laboratori Nazionali di Frascati INFN Frascati Italy

Laboratori Nazionali di Legnaro INFN Legnaro Italy

Lawrence Berkeley National Laboratory Berkeley California United States

Lawrence Livermore National Laboratory Livermore California United States

Moscow Engineering Physics Institute Moscow Russia

National Institute for Physics and Nuclear Engineering Bucharest Romania

Niels Bohr Institute University of Copenhagen Copenhagen Denmark

Nikhef National Institute for Subatomic Physics Amsterdam Netherlands

Nikhef National Institute for Subatomic Physics and Institute for Subatomic Physics of Utrecht University Utrecht Netherlands

Nuclear Physics Institute Academy of Sciences of the Czech Republic Řež u Prahy Czech Republic

Oak Ridge National Laboratory Oak Ridge Tennessee United States

Petersburg Nuclear Physics Institute Gatchina Russia

Physics Department Creighton University Omaha Nebraska United States

Physics Department Panjab University Chandigarh India

Physics Department The University of Texas at Austin Austin TX United States

Physics Department University of Athens Athens Greece

Physics Department University of Cape Town iThemba LABS Cape Town South Africa

Physics Department University of Cape Town iThemba LABS Cape Town South Africa ; Dipartimento di Fisica dell'Università and Sezione INFN Turin Italy

Physics Department University of Jammu Jammu India

Physics Department University of Rajasthan Jaipur India

Physikalisches Institut Ruprecht Karls Universität Heidelberg Heidelberg Germany

Physikalisches Institut Ruprecht Karls Universität Heidelberg Heidelberg Germany ; Fachhochschule Köln Köln Germany

Purdue University West Lafayette Indiana United States

Pusan National University Pusan South Korea

Research Division and ExtreMe Matter Institute EMMI GSI Helmholtzzentrum für Schwerionenforschung Darmstadt Germany

Research Division and ExtreMe Matter Institute EMMI GSI Helmholtzzentrum für Schwerionenforschung Darmstadt Germany ; European Organization for Nuclear Research Geneva Switzerland

Research Division and ExtreMe Matter Institute EMMI GSI Helmholtzzentrum für Schwerionenforschung Darmstadt Germany ; Physikalisches Institut Ruprecht Karls Universität Heidelberg Heidelberg Germany

Rudjer Bošković Institute Zagreb Croatia

Russian Federal Nuclear Center Sarov Russia

Russian Research Centre Kurchatov Institute Moscow Russia

Saha Institute of Nuclear Physics Kolkata India

School of Physics and Astronomy University of Birmingham Birmingham United Kingdom

School of Physics and Astronomy University of Birmingham Birmingham United Kingdom ; Institute of Experimental Physics Slovak Academy of Sciences Košice Slovakia

Sección Física Departamento de Ciencias Pontificia Universidad Católica del Perú Lima Peru

Sezione INFN Bari Italy

Sezione INFN Bari Italy ; European Organization for Nuclear Research Geneva Switzerland ; Centro Fermi Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi Rome Italy

Sezione INFN Bologna Italy

Sezione INFN Bologna Italy ; Centro Fermi Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi Rome Italy

Sezione INFN Cagliari Italy

Sezione INFN Catania Italy

Sezione INFN Padova Italy

Sezione INFN Rome Italy

Sezione INFN Trieste Italy

Sezione INFN Turin Italy

Soltan Institute for Nuclear Studies Warsaw Poland

Soltan Institute for Nuclear Studies Warsaw Poland ; Institut of Theoretical Physics University of Wroclaw Wroclaw Poland

SUBATECH Ecole des Mines de Nantes Université de Nantes CNRS IN2P3 Nantes France

Technical University of Split FESB Split Croatia

The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences Cracow Poland

The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences Cracow Poland ; European Organization for Nuclear Research Geneva Switzerland

The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences Cracow Poland ; SUBATECH Ecole des Mines de Nantes Université de Nantes CNRS IN2P3 Nantes France

Universidad Autónoma de Sinaloa Culiacán Mexico

Universidad Autónoma de Sinaloa Culiacán Mexico ; Centro de Investigación y de Estudios Avanzados Mexico City and Mérida Mexico

Universidade de São Paulo São Paulo Brazil

Universidade Estadual de Campinas Campinas Brazil

Université de Lyon Université Lyon 1 CNRS IN2P3 IPN Lyon Villeurbanne France

University of Houston Houston Texas United States

University of Tennessee Knoxville Tennessee United States

University of Tokyo Tokyo Japan

University of Tsukuba Tsukuba Japan

Variable Energy Cyclotron Centre Kolkata India

Warsaw University of Technology Warsaw Poland

Wayne State University Detroit Michigan United States

Wayne State University Detroit Michigan United States ; Division of Experimental High Energy Physics University of Lund Lund Sweden

Wayne State University Detroit Michigan United States ; Yale University New Haven Connecticut United States

Yale University New Haven Connecticut United States

Yerevan Physics Institute Yerevan Armenia

Yonsei University Seoul South Korea

Zentrum für Technologietransfer und Telekommunikation Fachhochschule Worms Worms Germany

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