Maqola

The ALICE experiment at the CERN LHC

K. AamodtDepartment of Physics, University of Oslo, Oslo, NorwayA. Abrahantes QuintanaDepartment of Physics, University of Oslo, Oslo, NorwayR. AchenbachCentro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Madrid/Havana, Spain/CubaS. AcounisKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany BMBFD. AdamováSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceC. AdlerAcademy of Sciences of the Czech Republic, Nuclear Physics Institute, Řež/Prague, Czech RepublicM. M. AggarwalPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany BMBFF. AgnesePhysics Department, Panjab University, Chandigarh, IndiaG. Aglieri RinellaIPHC, Université Louis Pasteur, CNRS/IN2P3, Strasbourg, FranceZ. AhammedCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandArshad AhmadVariable Energy Cyclotron Centre, Kolkata, IndiaN. AhmadDepartment of Physics Aligarh Muslim University, Aligarh, IndiaS. AhmadDepartment of Physics Aligarh Muslim University, Aligarh, IndiaA. AkindinovDepartment of Physics Aligarh Muslim University, Aligarh, IndiaPavel AkishinInstitute for Theoretical and Experimental Physics, Moscow, RussiaD. AleksandrovJINR, Joint Institute for Nuclear Research, Dubna,B. AlessandroRussian Research Center Kurchatov Institute, Moscow, RussiaR. AlfaroSezione INFN, Torino, ItalyG AlfaroneInstituto de Fisica, Universidad Nacional Autonoma de Mexico, Mexico City, MexicoA. AliciSezione INFN, Torino, ItalyJ. AlmeDipartimento di Fisica dell'Università and Sezione INFN, Bologna, ItalyT. AltDepartment of Physics, University of Bergen, Bergen, NorwayS. AltinpinarKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany BMBFW. AmendC. AndreiInstitut für Kernphysik, Johann-Wolfgang-Goethe Universität Frankfurt, Frankfurt, Germany BMBFY. AndresA. AndronicCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandG. AnelliM. AnfrevilleCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandV. AngelovCEA, Centre d'Études Nucléaires, DAPNIA, Saclay, FranceA. AnzoKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany BMBFC. AnsonInstituto de Fisica, Universidad Nacional Autonoma de Mexico, Mexico City, MexicoT. AntičićCreighton University, Omaha Nebraska, Creighton, USAV. AntonenkoRudjer Bošković Institute, Zagreb, CroatiaD. AntończykRussian Research Center Kurchatov Institute, Moscow, RussiaF. AntinoriS. AntinoriSezione INFN, Padova, ItalyP. AntonioliDipartimento di Fisica dell'Università and Sezione INFN, Bologna, ItalyL. AphecetcheSezione INFN, Bologna, ItalyH. AppelshäuserSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceV. AproduInstitut für Kernphysik, Johann-Wolfgang-Goethe Universität Frankfurt, Frankfurt, Germany BMBFM. ArbaS. ArcelliSezione INFN, Cagliari, ItalyA. ArgentieriDipartimento di Fisica dell'Università and Sezione INFN, Bologna, ItalyN. ArmestoR. ArnaldiIGFAE, Universidad de Santiago de Compostela, Santiago de Compostela, SpainA. ArefievSezione INFN, Torino, ItalyI. C. ArseneJINR, Joint Institute for Nuclear Research, Dubna,A. AsryanDepartment of Physics, University of Oslo, Oslo, NorwayA. AugustinusT. C. AwesCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandJ. ÄystöOak Ridge National Laboratory, Oak Ridge, USAM. D. AzmiUniversity of Jyväskylä, Helsinki/Jyväskylä, FinlandS BablockDepartment of Physics Aligarh Muslim University, Aligarh, IndiaA. BadalàDepartment of Physics, University of Bergen, Bergen, NorwayS.K. BadyalSezione INFN, Catania, ItalyJoachim BaechlerPhysics Department, University of Jammu, Jammu, IndiaS. BagnascoCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandR. BailhacheSezione INFN, Torino, ItalyR. BalaA. BaldisseriPhysics Department, University of Jammu, Jammu, IndiaA. BalditCEA, Centre d'Études Nucléaires, DAPNIA, Saclay, FranceJ. BánLPC, Université Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, FranceR. BarberaInstitute of Experimental Physics, Slovak Academy of Siences and Faculty of Science, P.J. Šafárik University, Košice, Slovak RepublicP.L. BarberisDipartimento di Fisica dell'Università and Sezione INFN, Catania, ItalyJean-Michel BarbetCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandG. G. BarnaföldiSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceV. BarretKFKI Research Institute for Particle and Nuclear Physics, Hungarian Academy of Sciences, Budapest, HungaryJ. BartkeLPC, Université Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, FranceD. BartoşHenryk Niewodniczánski Institute of Nuclear Physics, High Energy Physics Department, Cracow, PolandM. BasileV. BasmanovDipartimento di Fisica dell'Università and Sezione INFN, Bologna, ItalyN. BastidRussian Federal Nuclear Center (VNIIEF), Sarov, RussiaG. BatigneLPC, Université Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, FranceB. BatyunyaSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceJ. BaudotJINR, Joint Institute for Nuclear Research, Dubna,C. BaumannIPHC, Université Louis Pasteur, CNRS/IN2P3, Strasbourg, FranceI. G. BeardenInstitut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster, Germany BMBFBruce BeckerUniversity of Copenhagen, Niels Bohr Institute, Copenhagen, DenmarkJuri BelikovSezione INFN, Cagliari, ItalyR. BellwiedCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandE. Belmont‐MorenoWayne State University, Detroit, USAA. BelogianniInstituto de Fisica, Universidad Nacional Autonoma de Mexico, Mexico City, MexicoS.T. BelyaevUniversity of Athens, Physics Department, Athens, GreeceA BenatoRussian Research Center Kurchatov Institute, Moscow, RussiaJ.L. BéneySezione INFN, Padova, ItalyL. BenhabibSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceF. BenottoSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceS. BeolèSezione INFN, Torino, ItalyI. BerceanuDipartimento di Fisica Sperimentale dell'Università and Sezione INFN, Torino, ItalyA. BercuciE. BerdermannY. BerdnikovC. BernardPetersburg Nuclear Physics Institute, Gatchina, RussiaRomain BernyLPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut Polytechnique de Grenoble, Grenoble, FranceJ.D. BerstSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS/IN2P3, Nantes, FranceH. BertelsenIPHC, Université Louis Pasteur, CNRS/IN2P3, Strasbourg, FranceL. BetevUniversity of Copenhagen, Niels Bohr Institute, Copenhagen, DenmarkA. BhasinCERN, European Organization for Nuclear Reasearch, Geneva, SwitzerlandP BaskarSchool of Physics and Space Research, University of Birmingham, Birmingham, UK

2008en

ABI

Annotatsiya

ALICE (A Large Ion Collider Experiment) is a general-purpose, heavy-ion detector at the CERN LHC which focuses on QCD, the strong-interaction sector of the Standard Model. It is designed to address the physics of strongly interacting matter and the quark-gluon plasma at extreme values of energy density and temperature in nucleus-nucleus collisions. Besides running with Pb ions, the physics programme includes collisions with lighter ions, lower energy running and dedicated proton-nucleus runs. ALICE will also take data with proton beams at the top LHC energy to collect reference data for the heavy-ion programme and to address several QCD topics for which ALICE is complementary to the other LHC detectors. The ALICE detector has been built by a collaboration including currently over 1000 physicists and engineers from 105 Institutes in 30 countries, Its overall dimensions are 16 x 16 x 26 m(3) with a total weight of approximately 10 000 t. The experiment consists of 18 different detector systems each with its own specific technology choice and design constraints, driven both by the physics requirements and the experimental conditions expected at LHC. The most stringent design constraint is to cope with the extreme particle multiplicity anticipated in central Pb-Pb collisions. The different subsystems were optimized to provide high-momentum resolution as well as excellent Particle Identification (PID) over a broad range in momentum, up to the highest multiplicities predicted for LHC. This will allow for comprehensive studies of hadrons, electrons, muons, and photons produced in the collision of heavy nuclei. Most detector systems are scheduled to be installed and ready for data taking by mid-2008 when the LHC is scheduled to start operation, with the exception of parts of the Photon Spectrometer (PHOS), Transition Radiation Detector (TRD) and Electro Magnetic Calorimeter (EMCal). These detectors will be completed for the high-luminosity ion run expected in 2010. This paper describes in detail the detector components as installed for the first data taking in the summer of 2008.

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DOI: 10.1088/1748-0221/3/08/s08002

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