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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Jones, G. (Graham); HASH(0x55942ed36150) (2012)
Publisher: Springer
Languages: English
Types: Article
Subjects: QC

Classified by OpenAIRE into

arxiv: High Energy Physics::Experiment, Astrophysics::High Energy Astrophysical Phenomena, Nuclear Experiment
A measurement of event shape variables is presented for large momentum transfer proton-proton collisions using the ATLAS detector at the Large Hadron Collider. Six event shape variables calculated using hadronic jets are studied in inclusive multi-jet events in 35 pb^(−1) of integrated luminosity at a center-of-mass energy of s√=7 TeV . These measurements are compared to predictions by three Monte Carlo event generators containing leading-logarithmic parton showers matched to leading order matrix elements for 2→2 and 2→n (n=2,…,6) scattering. Measurements of the third-jet resolution parameter, aplanarity, thrust, sphericity, and transverse sphericity are generally well described. The mean value of each event shape variable is evaluated as a function of the average momentum of the two leading jets p_(T,1) and p_(T,2), with a mean p_T approaching 1 TeV.
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    • 1: University at Albany, Albany NY, U.S.A.
    • 2: Department of Physics, University of Alberta, Edmonton AB, Canada 3: (a)Department of Physics, Ankara University, Ankara; (b)Department of Physics, Dumlupinar University, Kutahya; (c)Department of Physics, Gazi University, Ankara; (d)Division of Physics, TOBB University of Economics and Technology, Ankara; (e)Turkish Atomic Energy Authority, Ankara, Turkey 4: LAPP, CNRS/IN2P3 and Universite de Savoie, Annecy-le-Vieux, France 5: High Energy Physics Division, Argonne National Laboratory, Argonne IL, U.S.A.
    • 6: Department of Physics, University of Arizona, Tucson AZ, U.S.A.
    • 7: Department of Physics, The University of Texas at Arlington, Arlington TX, U.S.A.
    • 8: Physics Department, University of Athens, Athens, Greece 9: Physics Department, National Technical University of Athens, Zografou, Greece 10: Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan 11: Institut de F sica d'Altes Energies and Departament de F sica de la Universitat Autonoma de Barcelona and ICREA, Barcelona, Spain 12: (a)Institute of Physics, University of Belgrade, Belgrade; (b)Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia 13: Department for Physics and Technology, University of Bergen, Bergen, Norway 14: Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley CA, U.S.A.
    • 15: Department of Physics, Humboldt University, Berlin, Germany 16: Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland 17: School of Physics and Astronomy, University of Birmingham, Birmingham, U.K.
    • 18: (a)Department of Physics, Bogazici University, Istanbul; (b)Division of Physics, Dogus University, Istanbul; (c)Department of Physics Engineering, Gaziantep University, Gaziantep; (d)Department of Physics, Istanbul Technical University, Istanbul, Turkey 19: (a)INFN Sezione di Bologna; (b)Dipartimento di Fisica, Universita di Bologna, Bologna, Italy 20: Physikalisches Institut, University of Bonn, Bonn, Germany 21: Department of Physics, Boston University, Boston MA, U.S.A.
    • 22: Department of Physics, Brandeis University, Waltham MA, U.S.A.
    • 23: (a)Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro; (b)Federal University of Juiz de Fora (UFJF), Juiz de Fora; (c)Federal University of Sao Joao del Rei (UFSJ), Sao Joao del Rei; (d)Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, Brazil 24: Physics Department, Brookhaven National Laboratory, Upton NY, U.S.A.
    • 25: (a)National Institute of Physics and Nuclear Engineering, Bucharest; (b)University Politehnica Bucharest, Bucharest; (c)West University in Timisoara, Timisoara, Romania 26: Departamento de F sica, Universidad de Buenos Aires, Buenos Aires, Argentina 27: Cavendish Laboratory, University of Cambridge, Cambridge, U.K.
    • 28: Department of Physics, Carleton University, Ottawa ON, Canada 29: CERN, Geneva, Switzerland 30: Enrico Fermi Institute, University of Chicago, Chicago IL, U.S.A.
    • 31: (a)Departamento de F sica, Ponti cia Universidad Catolica de Chile, Santiago; (b)Departamento de F sica, Universidad Tecnica Federico Santa Mar a, Valpara so, Chile 32: (a)Institute of High Energy Physics, Chinese Academy of Sciences, Beijing; (b)Department of Modern Physics, University of Science and Technology of China, Anhui; (c)Department of Physics, Nanjing University, Jiangsu; (d)School of Physics, Shandong University, Shandong, China 33: Laboratoire de Physique Corpusculaire, Clermont Universite and Universite Blaise Pascal and CNRS/IN2P3, Aubiere Cedex, France 34: Nevis Laboratory, Columbia University, Irvington NY, U.S.A.
    • 35: Niels Bohr Institute, University of Copenhagen, Kobenhavn, Denmark 36: (a)INFN Gruppo Collegato di Cosenza; (b)Dipartimento di Fisica, Universita della Calabria, Arcavata di Rende, Italy 37: AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland 38: The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland 39: Physics Department, Southern Methodist University, Dallas TX, U.S.A.
    • 40: Physics Department, University of Texas at Dallas, Richardson TX, U.S.A.
    • 41: DESY, Hamburg and Zeuthen, Germany 42: Institut fur Experimentelle Physik IV, Technische Universitat Dortmund, Dortmund, Germany 43: Institut fur Kern- und Teilchenphysik, Technical University Dresden, Dresden, Germany 44: Department of Physics, Duke University, Durham NC, U.S.A.
    • 45: SUPA - School of Physics and Astronomy, University of Edinburgh, Edinburgh, U.K.
    • 46: Fachhochschule Wiener Neustadt, Johannes Gutenbergstrasse 32700 Wiener Neustadt, Austria 47: INFN Laboratori Nazionali di Frascati, Frascati, Italy 48: Fakultat fur Mathematik und Physik, Albert-Ludwigs-Universitat, Freiburg i.Br., Germany 49: Section de Physique, Universite de Geneve, Geneva, Switzerland 50: (a)INFN Sezione di Genova; (b)Dipartimento di Fisica, Universita di Genova, Genova, Italy 51: (a)E.Andronikashvili Institute of Physics, Tbilisi State University, Tbilisi; (b)High Energy Physics Institute, Tbilisi State University, Tbilisi, Georgia 52: II Physikalisches Institut, Justus-Liebig-Universitat Giessen, Giessen, Germany 53: SUPA - School of Physics and Astronomy, University of Glasgow, Glasgow, U.K.
    • 54: II Physikalisches Institut, Georg-August-Universitat, Gottingen, Germany 55: Laboratoire de Physique Subatomique et de Cosmologie, Universite Joseph Fourier and CNRS/IN2P3 and Institut National Polytechnique de Grenoble, Grenoble, France 56: Department of Physics, Hampton University, Hampton VA, U.S.A.
    • 57: Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge MA, U.S.A.
    • 58: (a)Kirchho -Institut fur Physik, Ruprecht-Karls-Universitat Heidelberg, Heidelberg; (b)Physikalisches Institut, Ruprecht-Karls-Universitat Heidelberg, Heidelberg; (c)ZITI Institut fur technische Informatik, Ruprecht-Karls-Universitat Heidelberg, Mannheim, Germany 59: Faculty of Applied Information Science, Hiroshima Institute of Technology, Hiroshima, Japan 60: Department of Physics, Indiana University, Bloomington IN, U.S.A.
    • 61: Institut fur Astro- und Teilchenphysik, Leopold-Franzens-Universitat, Innsbruck, Austria 62: University of Iowa, Iowa City IA, U.S.A.
    • 63: Department of Physics and Astronomy, Iowa State University, Ames IA, U.S.A.
    • 64: Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia 65: KEK, High Energy Accelerator Research Organization, Tsukuba, Japan 66: Graduate School of Science, Kobe University, Kobe, Japan 144: (a)Faculty of Mathematics, Physics & Informatics, Comenius University, Bratislava; (b)Department of Subnuclear Physics, Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice, Slovak Republic 145: (a)Department of Physics, University of Johannesburg, Johannesburg; (b)School of Physics, University of the Witwatersrand, Johannesburg, South Africa 146: (a)Department of Physics, Stockholm University; (b)The Oskar Klein Centre, Stockholm, Sweden 147: Physics Department, Royal Institute of Technology, Stockholm, Sweden 148: Departments of Physics & Astronomy and Chemistry, Stony Brook University, Stony Brook NY, U.S.A.
    • 149: Department of Physics and Astronomy, University of Sussex, Brighton, U.K.
    • 150: School of Physics, University of Sydney, Sydney, Australia 151: Institute of Physics, Academia Sinica, Taipei, Taiwan 152: Department of Physics, Technion: Israel Institute of Technology, Haifa, Israel 153: Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel 154: Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece 155: International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, Japan 156: Graduate School of Science and Technology, Tokyo Metropolitan University, Tokyo, Japan 157: Department of Physics, Tokyo Institute of Technology, Tokyo, Japan 158: Department of Physics, University of Toronto, Toronto ON, Canada 159: (a)TRIUMF, Vancouver BC; (b)Department of Physics and Astronomy, York University, Toronto ON, Canada 160: Institute of Pure and Applied Sciences, University of Tsukuba,1-1-1 Tennodai,Tsukuba, Ibaraki 305-8571, Japan 161: Science and Technology Center, Tufts University, Medford MA, U.S.A.
    • 162: Centro de Investigaciones, Universidad Antonio Narino, Bogota, Colombia 163: Department of Physics and Astronomy, University of California Irvine, Irvine CA, U.S.A.
    • 164: (a)INFN Gruppo Collegato di Udine; (b)ICTP, Trieste; (c)Dipartimento di Chimica, Fisica e Ambiente, Universita di Udine, Udine, Italy 165: Department of Physics, University of Illinois, Urbana IL, U.S.A.
    • 166: Department of Physics and Astronomy, University of Uppsala, Uppsala, Sweden 167: Instituto de F sica Corpuscular (IFIC) and Departamento de F sica Atomica, Molecular y Nuclear and Departamento de Ingenier a Electronica and Instituto de Microelectronica de Barcelona (IMB-CNM), University of Valencia and CSIC, Valencia, Spain 168: Department of Physics, University of British Columbia, Vancouver BC, Canada 169: Department of Physics and Astronomy, University of Victoria, Victoria BC, Canada 170: Department of Physics, University of Warwick, Coventry, U.K.
    • 171: Waseda University, Tokyo, Japan 172: Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel 173: Department of Physics, University of Wisconsin, Madison WI, U.S.A.
    • 174: Fakultat fur Physik und Astronomie, Julius-Maximilians-Universitat, Wurzburg, Germany 175: Fachbereich C Physik, Bergische Universitat Wuppertal, Wuppertal, Germany 176: Department of Physics, Yale University, New Haven CT, U.S.A.
    • 177: Yerevan Physics Institute, Yerevan, Armenia 178: Domaine scienti que de la Doua, Centre de Calcul CNRS/IN2P3, Villeurbanne Cedex, France
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