Precision measurement and interpretation of inclusive $$W^+$$ W + , $$W^-$$ W - and $$Z/\gamma ^*$$ Z / γ ∗ production cross sections with the ATLAS detector
M. Aaboud180Faculté des Sciences, Université Mohamed Premier and LPTPM, Oujda, MoroccoG. Aad115CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, FranceBraden Keim Abbott144Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK USAJ. Abdallah10Department of Physics, The University of Texas at Arlington, Arlington, TX USAO. AbdinovInstitute of Physics, Azerbaijan Academy of Sciences, Baku, AzerbaijanB. Abeloos148LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, FranceO. S. AbouZeid183Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA USAN. L. Abraham199Department of Physics and Astronomy, University of Sussex, Brighton, UKH. Abramowicz203Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, IsraelH. Abreu202Department of Physics, Technion: Israel Institute of Technology, Haifa, IsraelR. Abreu147Center for High Energy Physics, University of Oregon, Eugene, OR USAY. Abulaiti195Department of Physics, Stockholm University, Stockholm, SwedenB. S. Acharya217INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, ItalyS. Adachi205International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, JapanL. Adamczyk60Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, PolandD. L. Adams36Physics Department, Brookhaven National Laboratory, Upton, NY USAJahred Adelman139Department of Physics, Northern Illinois University, DeKalb, IL USAS. Adomeit130Fakultät für Physik, Ludwig-Maximilians-Universität München, Munich, GermanyTim Adye170Particle Physics Department, Rutherford Appleton Laboratory, Didcot, UKTony Affolder183Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA USAT. Agatonović-Jovin16Institute of Physics, University of Belgrade, Belgrade, SerbiaJ. A. Aguilar–Saavedra159Laboratório de Instrumentação e Física Experimental de Partículas-LIP, Lisbon, PortugalS. Ahlen30Department of Physics, Boston University, Boston, MA USAF. Ahmadov94Joint Institute for Nuclear Research, JINR Dubna, Dubna, RussiaGiulio Aielli173INFN Sezione di Roma Tor Vergata, Rome, ItalyH. Åkerstedt195Department of Physics, Stockholm University, Stockholm, SwedenTorsten Akesson111Fysiska institutionen, Lunds universitet, Lund, SwedenAndrei Akimov126P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, RussiaGian Luigi Alberghi27INFN Sezione di Bologna, Bologna, ItalyJ. Albert224Department of Physics and Astronomy, University of Victoria, Victoria, BC CanadaS. AlbrandLaboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, FranceM. J. Alconada Verzini100Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaMartin Aleksa45CERN, Geneva, SwitzerlandI. N. Aleksandrov94Joint Institute for Nuclear Research, JINR Dubna, Dubna, RussiaC. Alexa38Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, RomaniaG. Alexander203Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, IsraelT. Alexopoulos12Physics Department, National Technical University of Athens, Zografou, GreeceMuhammad Alhroob144Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK USABabar Ali167Czech Technical University in Prague, Praha, Czech RepublicM. Aliev102INFN Sezione di Lecce, Lecce, ItalyGianluca Alimonti121INFN Sezione di Milano, Milan, ItalyJ. Alison46Enrico Fermi Institute, University of Chicago, Chicago, IL USAS. P. Alkire56Nevis Laboratory, Columbia University, Irvington, NY USABenedict Allbrooke199Department of Physics and Astronomy, University of Sussex, Brighton, UKB. Allen147Center for High Energy Physics, University of Oregon, Eugene, OR USAPhilip Patrick Allport21School of Physics and Astronomy, University of Birmingham, Birmingham, UKA. Aloisio134INFN Sezione di Napoli, Napoli, ItalyA. Alonso57Niels Bohr Institute, University of Copenhagen, Copenhagen, DenmarkF. Alonso100Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaCristiano Alpigiani184Department of Physics, University of Washington, Seattle, WA USAA. A. Alshehri78SUPA-School of Physics and Astronomy, University of Glasgow, Glasgow, UKM. I. Alstaty115CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, FranceB. Álvarez González45CERN, Geneva, SwitzerlandD. Álvarez Piqueras222Instituto de Fisica Corpuscular (IFIC) and Departamento de Fisica Atomica, Molecular y Nuclear and Departamento de Ingeniería Electrónica and Instituto de Microelectrónica de Barcelona (IMB-CNM), University of Valencia and CSIC, Valencia, SpainMariagrazia Alviggi134INFN Sezione di Napoli, Napoli, ItalyB. T. Amadio18Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley, CA USAY. Amaral Coutinho32Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, BrazilC. Amelung31Department of Physics, Brandeis University, Waltham, MA USADante Amidei119Department of Physics, The University of Michigan, Ann Arbor, MI USAS. P. Amor Dos Santos159Laboratório de Instrumentação e Física Experimental de Partículas-LIP, Lisbon, PortugalA. Amorim159Laboratório de Instrumentação e Física Experimental de Partículas-LIP, Lisbon, PortugalS. Amoroso45CERN, Geneva, SwitzerlandG. Amundsen31Department of Physics, Brandeis University, Waltham, MA USAChristos Anastopoulos185Department of Physics and Astronomy, University of Sheffield, Sheffield, UKL. S. Ancu72Departement de Physique Nucleaire et Corpusculaire, Université de Genève, Geneva, SwitzerlandN. Andari21School of Physics and Astronomy, University of Birmingham, Birmingham, UKT. Andeen13Department of Physics, The University of Texas at Austin, Austin, TX USAC. F. Anders83Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyJohn Kenneth Anders104Oliver Lodge Laboratory, University of Liverpool, Liverpool, UKK. J. Anderson46Enrico Fermi Institute, University of Chicago, Chicago, IL USAA. Andreazza121INFN Sezione di Milano, Milan, ItalyV. Andrei82Kirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyS. Angelidakis11Physics Department, National and Kapodistrian University of Athens, Athens, GreeceI. Angelozzi138Nikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, NetherlandsAaron Angerami56Nevis Laboratory, Columbia University, Irvington, NY USAF. Anghinolfi45CERN, Geneva, SwitzerlandAlexey Anisenkov140Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, RussiaN. Anjos15Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, SpainAlberto Annovi156INFN Sezione di Pisa, Pisa, ItalyC. Antel82Kirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyM. Antonelli70INFN Laboratori Nazionali di Frascati, Frascati, ItalyА. Антонов128National Research Nuclear University MEPhI, Moscow, RussiaD. J. A. Antrim216Department of Physics and Astronomy, University of California Irvine, Irvine, CA USAFabio Anulli171INFN Sezione di Roma, Rome, ItalyMasato Aoki95KEK, High Energy Accelerator Research Organization, Tsukuba, JapanL. Aperio Bella21School of Physics and Astronomy, University of Birmingham, Birmingham, UKG. Arabidze120Department of Physics and Astronomy, Michigan State University, East Lansing, MI USAY. Arai95KEK, High Energy Accelerator Research Organization, Tsukuba, JapanJ. P. Araque159Laboratório de Instrumentação e Física Experimental de Partículas-LIP, Lisbon, PortugalV. Araujo Ferraz32Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, BrazilA. T. H. Arce68Department of Physics, Duke University, Durham, NC USAF. A. Arduh100Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaJ-F. Arguin125Group of Particle Physics, University of Montreal, Montreal, QC CanadaS. Argyropoulos92University of Iowa, Iowa City, IA USAM. Arık22Department of Physics, Bogazici University, Istanbul, TurkeyA. J. Armbruster189SLAC National Accelerator Laboratory, Stanford, CA USAL. J. Armitage106School of Physics and Astronomy, Queen Mary University of London, London, UKO. Arnaez45CERN, Geneva, SwitzerlandH. Arnold71Fakultät für Mathematik und Physik, Albert-Ludwigs-Universität, Freiburg, GermanyM. Arratia43Cavendish Laboratory, University of Cambridge, Cambridge, UK
2017en
ABI
Abstract
High-precision measurements by the ATLAS Collaboration are presented of inclusive W + + , W - - and Z / * ( = e, ) Drell-Yan production cross sections at the LHC. The data were collected in proton-proton collisions at s = 7 TeV with an integrated luminosity of 4.6 fb -1 . Differential W + and W - cross sections are measured in a lepton pseudorapidity range | | < 2.5. Differential Z / * cross sections are measured as a function of the absolute dilepton rapidity, for |y | < 3.6, for three intervals of dilepton mass, m , extending from 46 to 150 GeV. The integrated and differential electron-and muon-channel cross sections are combined and compared to theoretical predictions using recent sets of parton distribution functions. The data, together with the final inclusive e p scattering cross-section data from H1 and ZEUS, are interpreted in a next-to-next-to-leading-order QCD analysis, and a new set of parton distribution functions, ATLAS-epWZ16, is obtained. The ratio of strange-to-light sea-quark densities in the proton is determined more accurately than in previous determinations based on collider data only, and is established to be close to unity in the sensitivity range of the data. A new measurement of the CKM matrix element |V cs | is also provided.
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Citations and references
Cited by 20 references