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ATLAS Collaboration (2011)
Publisher: IOP Publishing
Languages: English
Types: Article
Subjects: Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc); Particle tracking detectors (Solid-state detectors); Si microstrip and pad detectors; Large detector systems for particle and astroparticle physics, of photons with matter, interaction of hadrons with matter, etc), Particle Physics - Experiment, Detector Modelling and Simulations, Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc), Large detector systems for particle and astroparticle physics, Detector modelling and simulations I (interaction of radiation with matter, interaction, Large Detector Systems, 530, Science & Technology, :Ciências Físicas [Ciências Naturais], High Energy Physics - Experiment, Detectors de radiació, Física nuclear, Si Microstrip and Pad Detectors, Particle tracking detectors (Solid-state detectors), Col·lisions (Física nuclear), Particle Tracking Detectors
ddc: ddc:610
The ATLAS inner detector is used to reconstruct secondary vertices due to hadronic interactions of primary collision products, so probing the location and amount of material in the inner region of ATLAS. Data collected in 7 TeV pp collisions at the LHC, with a minimum bias trigger, are used for comparisons with simulated events. The reconstructed secondary vertices have spatial resolutions ranging from ~ 200μm to 1 mm. The overall material description in the simulation is validated to within an experimental uncertainty of about 7%. This will lead to a better understanding of the reconstruction of various objects such as tracks, leptons, jets, and missing transverse momentum. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America. info:eu-repo/semantics/publishedVersion
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    • Ankara, Turkey 4LAPP, CNRS/IN2P3 and Universite´ de Savoie, Annecy-le-Vieux, France 5High Energy Physics Division, Argonne National Laboratory, Argonne IL, U.S.A.
    • 6Department of Physics, University of Arizona, Tucson AZ, U.S.A.
    • 7Department of Physics, The University of Texas at Arlington, Arlington TX, U.S.A.
    • 8Physics Department, University of Athens, Athens, Greece 9Physics Department, National Technical University of Athens, Zografou, Greece 10Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan 11Institut de F´ısica d'Altes Energies and Departament de F´ısica de la Universitat Auto` noma de Barcelona and ICREA, Barcelona, Spain 12(a)Institute of Physics, University of Belgrade, Belgrade; (b)Vinca Institute of Nuclear Sciences, Belgrade, Serbia 13Department for Physics and Technology, University of Bergen, Bergen, Norway 14Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley CA, U.S.A.
    • 15Department of Physics, Humboldt University, Berlin, Germany 16Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland 17School 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 20Physikalisches Institut, University of Bonn, Bonn, Germany 21Department of Physics, Boston University, Boston MA, U.S.A.
    • 22Department 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 24Physics 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 26Departamento de F´ısica, Universidad de Buenos Aires, Buenos Aires, Argentina 27Cavendish Laboratory, University of Cambridge, Cambridge, U.K.
    • 28Department of Physics, Carleton University, Ottawa ON, Canada 29CERN, Geneva, Switzerland 30Enrico Fermi Institute, University of Chicago, Chicago IL, U.S.A.
    • 31(a)Departamento de Fisica, Pontificia Universidad Cato´ lica de Chile, Santiago; (b)Departamento de F´ısica, Universidad Te´cnica Federico Santa Mar´ıa, Valpara´ıso, 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)High Energy Physics Group, Shandong University, Shandong, China 106Department of Physics, Northern Illinois University, DeKalb IL, U.S.A.
    • 107Budker Institute of Nuclear Physics (BINP), Novosibirsk, Russia 108Department of Physics, New York University, New York NY, U.S.A.
    • 109Ohio State University, Columbus OH, U.S.A.
    • 110Faculty of Science, Okayama University, Okayama, Japan 111Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman OK, U.S.A.
    • 112Department of Physics, Oklahoma State University, Stillwater OK, U.S.A.
    • 113Palacky´ University, RCPTM, Olomouc, Czech Republic 114Center for High Energy Physics, University of Oregon, Eugene OR, U.S.A.
    • 115LAL, Univ. Paris-Sud and CNRS/IN2P3, Orsay, France 116Graduate School of Science, Osaka University, Osaka, Japan 117Department of Physics, University of Oslo, Oslo, Norway 118Department of Physics, Oxford University, Oxford, U.K.
    • 119(a)INFN Sezione di Pavia; (b)Dipartimento di Fisica Nucleare e Teorica, Universita` di Pavia, Pavia, Italy 120Department of Physics, University of Pennsylvania, Philadelphia PA, U.S.A.
    • 121Petersburg Nuclear Physics Institute, Gatchina, Russia 122(a)INFN Sezione di Pisa; (b)Dipartimento di Fisica E. Fermi, Universita` di Pisa, Pisa, Italy 123Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh PA, U.S.A.
    • 124(a)Laboratorio de Instrumentacao e Fisica Experimental de Particulas - LIP, Lisboa, Portugal; (b)Departamento de Fisica Teorica y del Cosmos and CAFPE, Universidad de Granada, Granada, Spain 125Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic 126Faculty of Mathematics and Physics, Charles University in Prague, Praha, Czech Republic 127Czech Technical University in Prague, Praha, Czech Republic 128State Research Center Institute for High Energy Physics, Protvino, Russia 129Particle Physics Department, Rutherford Appleton Laboratory, Didcot, U.K.
    • 130Physics Department, University of Regina, Regina SK, Canada 131Ritsumeikan University, Kusatsu, Shiga, Japan 132(a)INFN Sezione di Roma I; (b)Dipartimento di Fisica, Universita` La Sapienza, Roma, Italy 133(a)INFN Sezione di Roma Tor Vergata; (b)Dipartimento di Fisica, Universita` di Roma Tor Vergata, Roma, Italy 134(a)INFN Sezione di Roma Tre; (b)Dipartimento di Fisica, Universita` Roma Tre, Roma, Italy 135(a)Faculte´ des Sciences Ain Chock, Re´seau Universitaire de Physique des Hautes Energies - Universite´ Hassan II, Casablanca; (b)Centre National de l'Energie des Sciences Techniques Nucleaires, Rabat; (c)Universite´ Cadi Ayyad, Faculte´ des sciences Semlalia De´partement de Physique, B.P. 2390 Marrakech 40000; (d)Faculte´ des Sciences, Universite´ Mohamed Premier and LPTPM, Oujda; (e)Faculte´ des Sciences, Universite´ Mohammed V, Rabat, Morocco 136DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l'Univers), CEA Saclay (Commissariat a l'Energie Atomique), Gif-sur-Yvette, France 137Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz CA, U.S.A.
    • 172Department of Physics, University of Wisconsin, Madison WI, U.S.A.
    • 173Fakulta¨t fu¨r Physik und Astronomie, Julius-Maximilians-Universita¨t, Wu¨rzburg, Germany 174Fachbereich C Physik, Bergische Universita¨t Wuppertal, Wuppertal, Germany 175Department of Physics, Yale University, New Haven CT, U.S.A.
    • adAlso at DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l'Univers), CEA Saclay (Commissariat a l'Energie Atomique), Gif-sur-Yvette, France aeAlso at Laboratoire de Physique Nucle´aire et de Hautes Energies, UPMC and Universite´ ParisDiderot and CNRS/IN2P3, Paris, France a f Also at Department of Physics, Nanjing University, Jiangsu, China Deceased
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