/ Experiment-HEP hep-ex/0703049


The COMPASS experiment at CERN


Abbon, P. (SPhN, DAPNIA, Saclay) ; Albrecht, E. (CERN) ; Alexakhin, V.Yu. (Dubna, JINR) ; Alexandrov, Yu. ; Alexeev, G.D. (Dubna, JINR) ; Alekseev, M.G. (INFN, Turin) ; Amoroso, A. (INFN, Turin) ; Angerer, H. (Munich, Tech. U.) ; Anosov, V.A. (CERN) ; Badelek, B. (Warsaw U.) ; Balestra, F. (INFN, Turin) ; Ball, J. (SPhN, DAPNIA, Saclay) ; Barth, J. (Bonn U.) ; Baum, G. (Bielefeld U.) ; Becker, M. (Munich, Tech. U.) ; Bedfer, Y. (SPhN, DAPNIA, Saclay) ; Berglund, P. (Helsinki U.) ; Bernet, C. (CERN) ; Bertini, R. (INFN, Turin) ; Bettinelli, M. (Munich U.) ; Birsa, R. (INFN, Trieste) ; Bisplinghoff, J. (Bonn U., HISKP) ; Bordalo, P. (Lisbon, LIFEP) ; Bosteels, M. (CERN) ; Bradamante, F. (INFN, Trieste) ; Braem, A. (CERN) ; Bravar, A. (Mainz U., Inst. Kernphys.) ; Bressan, A. (INFN, Trieste) ; Brona, G. (Warsaw U.) ; Burtin, E. (SPhN, DAPNIA, Saclay) ; Bussa, M.P. (INFN, Turin) ; Bytchkov, V.N. (Dubna, JINR) ; Chalifour, M. (SPhN, DAPNIA, Saclay) ; Chapiro, A. (ICTP, Trieste) ; Chiosso, M. (INFN, Turin) ; Ciliberti, P. (INFN, Trieste) ; Cicuttin, A. (ICTP, Trieste) ; Colantoni, M. (INFN, Turin) ; Colavita, A.A. (ICTP, Trieste) ; Costa, S. (INFN, Turin) ; Crespo, M.L. (ICTP, Trieste) ; Cristaudo, P. (INFN, Trieste) ; Dafni, T. (SPhN, DAPNIA, Saclay) ; d'Hose, N. (SPhN, DAPNIA, Saclay) ; Dalla Torre, S. (INFN, Trieste) ; d'Ambrosio, C. (CERN) ; Das, S. (Matrivani Inst., Calcutta) ; Dasgupta, S.S. (Burdwan U.) ; Delagnes, E. (SPhN, DAPNIA, Saclay) ; De Masi, R. (Munich, Tech. U.) ; Deck, P. (SPhN, DAPNIA, Saclay) ; Dedek, N. (Munich U.) ; Demchenko, D. (Mainz U., Inst. Kernphys.) ; Denisov, O.Yu. (INFN, Turin) ; Dhara, L. (Matrivani Inst., Calcutta) ; Diaz, V. (INFN, Trieste) ; Dibiase, N. (INFN, Turin) ; Dinkelbach, A.M. (Munich, Tech. U.) ; Dolgopolov, A.V. (Serpukhov, IHEP) ; Donati, A. (SPhN, DAPNIA, Saclay) ; Donskov, S.V. (Serpukhov, IHEP) ; Dorofeev, V.A. (Serpukhov, IHEP) ; Doshita, N. (Ruhr U., Bochum) ; Durand, D. (SPhN, DAPNIA, Saclay) ; Duic, V. (INFN, Trieste) ; Dunnweber, W. (Munich U.) ; Efremov, A. (Dubna, JINR) ; Eversheim, P.D. (Bonn U., HISKP) ; Eyrich, W. ; Faessler, M. (Munich U.) ; Falaleev, V. (CERN) ; Fauland, P. (Bielefeld U.) ; Ferrero, A. (CERN) ; Ferrero, L. (INFN, Turin) ; Finger, M. (Charles U.) ; Finger, M. (Dubna, JINR) ; Fischer, H. (Freiburg U.) ; Franco, C. (Lisbon, LIFEP) ; Franz, J. (Freiburg U.) ; Fratnik, F. (INFN, Trieste) ; Friedrich, J.M. (Munich, Tech. U.) ; Frolov, V. (INFN, Turin) ; Fuchs, U. (CERN) ; Garfagnini, R. (INFN, Turin) ; Gatignon, L. (CERN) ; Gautheron, F. (Bielefeld U.) ; Gavrichtchouk, O.P. (Dubna, JINR) ; Gerassimov, S. ; Geyer, R. (Munich U.) ; Gheller, J.M. (SPhN, DAPNIA, Saclay) ; Giganon, A. (SPhN, DAPNIA, Saclay) ; Giorgi, M. (INFN, Trieste) ; Gobbo, B. (INFN, Trieste) ; Goertz, S. (Ruhr U., Bochum) ; Gorin, A.M. (Serpukhov, IHEP) ; Gougnaud, F. (SPhN, DAPNIA, Saclay) ; Grabmuller, S. (Munich, Tech. U.) ; Grajek, O.A. (Warsaw U.) ; Grasso, A. (INFN, Turin) ; Grube, B. (Munich, Tech. U.) ; Grunemaier, A. (Freiburg U.) ; Guskov, A. (Dubna, JINR) ; Haas, F. (Munich, Tech. U.) ; Hagemann, R. (Freiburg U.) ; Hannappel, J. (Bonn U.) ; von Harrach, D. (Mainz U., Inst. Kernphys.) ; Hasegawa, T. (Miyazaki U.) ; Heckmann, J. (Ruhr U., Bochum) ; Hedicke, S. (Freiburg U.) ; Heinsius, F.H. (Freiburg U.) ; Hermann, R. (Mainz U., Inst. Kernphys.) ; Hess, C. (Ruhr U., Bochum) ; Hinterberger, F. (Bonn U., HISKP) ; von Hodenberg, M. (Freiburg U.) ; Horikawa, N. (Nagoya U.) ; Horikawa, S. (CERN) ; Horn, I. (Bonn U., HISKP) ; Ilgner, C. (CERN) ; Ioukaev, A.I. (Dubna, JINR) ; Ishimoto, S. (Nagoya U.) ; Ivanchin, I. (Dubna, JINR) ; Ivanov, O. (Dubna, JINR) ; Iwata, T. (Nagoya U.) ; Jahn, R. (Bonn U., HISKP) ; Janata, A. (Dubna, JINR) ; Joosten, R. (Bonn U., HISKP) ; Jouravlev, N.I. (Dubna, JINR) ; Kabuss, E. (Mainz U., Inst. Kernphys.) ; Kalinnikov, V. (Dubna, JINR) ; Kang, D. (Freiburg U.) ; Karstens, F. (Freiburg U.) ; Kastaun, W. (Freiburg U.) ; Ketzer, B. (CERN) ; Khaustov, G.V. (Serpukhov, IHEP) ; Khokhlov, Yu.A. (Serpukhov, IHEP) ; Kiefer, J. (Freiburg U.) ; Kisselev, Yu. (Ruhr U., Bochum) ; Klein, F. (Bonn U.) ; Klimaszewski, K. (Warsaw U.) ; Koblitz, S. (Mainz U., Inst. Kernphys.) ; Koivuniemi, J.H. (Ruhr U., Bochum) ; Kolosov, V.N. (Serpukhov, IHEP) ; Komissarov, E.V. (Dubna, JINR) ; Kondo, K. (Ruhr U., Bochum) ; Konigsmann, Kay (Freiburg U.) ; Konoplyannikov, A.K. (Serpukhov, IHEP) ; Konorov, I. ; Konstantinov, V.F. (Serpukhov, IHEP) ; Korentchenko, A.S. (Dubna, JINR) ; Korzenev, A. (Mainz U., Inst. Kernphys.) ; Kotzinian, A.M. (Dubna, JINR) ; Koutchinski, N.A. (Dubna, JINR) ; Kouznetsov, O. (Dubna, JINR) ; Kowalik, K. (Warsaw U.) ; Kramer, D. (Liberec Tech. U.) ; Kravchuk, N.P. (Dubna, JINR) ; Krivokhizhin, G.V. (Dubna, JINR) ; Kroumchtein, Z.V. (Dubna, JINR) ; Kubart, J. (Liberec Tech. U.) ; Kuhn, R. (Munich, Tech. U.) ; Kukhtin, V. (Dubna, JINR) ; Kunne, F. (SPhN, DAPNIA, Saclay) ; Kurek, K. (Warsaw U.) ; Kuzmin, N.A. (Dubna, JINR) ; Lamanna, M. (CERN) ; Le Goff, J.M. (SPhN, DAPNIA, Saclay) ; Leberig, M. (CERN) ; Lednev, A.A. (Serpukhov, IHEP) ; Lehmann, A. ; Levinski, V. (Dubna, JINR) ; Levorato, S. (INFN, Trieste) ; Lyashenko, V.I (Dubna, JINR) ; Lichtenstadt, J. (Tel Aviv U.) ; Liska, T. (Prague, Tech. U.) ; Ludwig, I. (Freiburg U.) ; Maggiora, A. (INFN, Turin) ; Maggiora, M. (INFN, Turin) ; Magnon, A. (SPhN, DAPNIA, Saclay) ; Mallot, G.K. (CERN) ; Mann, A. (Munich, Tech. U.) ; Manuilov, I.V. (Serpukhov, IHEP) ; Marchand, C. (SPhN, DAPNIA, Saclay) ; Marroncle, J. (SPhN, DAPNIA, Saclay) ; Martin, A. (INFN, Trieste) ; Marzec, J. (Warsaw U.) ; Masek, L. (Liberec Tech. U.) ; Massmann, F. (Bonn U., HISKP) ; Matsuda, T. (Miyazaki U.) ; Matthia, D. (Freiburg U.) ; Maximov, A.N. (Dubna, JINR) ; Menon, G. (INFN, Trieste) ; Meyer, W. (Ruhr U., Bochum) ; Mielech, A. (INFN, Trieste) ; Mikhailov, Yu.V. (Serpukhov, IHEP) ; Moinester, M.A. (Tel Aviv U.) ; Molinie, F. (SPhN, DAPNIA, Saclay) ; Mota, F. (Lisbon, LIFEP) ; Mutter, A. (Freiburg U.) ; Nagel, T. (Munich, Tech. U.) ; Nahle, O. (Bonn U., HISKP) ; Nassalski, J. (Warsaw U.) ; Neliba, S. (Prague, Tech. U.) ; Nerling, F. (Freiburg U.) ; Neyret, D. (SPhN, DAPNIA, Saclay) ; Niebuhr, M. (Freiburg U.) ; Niinikoski, T. (CERN) ; Nikolaenko, V.I. (Serpukhov, IHEP) ; Nozdrin, A.A. (Dubna, JINR) ; Olshevsky, A.G. (Dubna, JINR) ; Ostrick, M. (Bonn U.) ; Padee, A. (Warsaw U.) ; Pagano, P. (INFN, Trieste) ; Panebianco, S. (SPhN, DAPNIA, Saclay) ; Parsamyan, B. (INFN, Turin) ; Panzieri, D. (INFN, Turin) ; Paul, S. (Munich, Tech. U.) ; Pawlukiewicz, B. (Warsaw U.) ; Pereira, H. (Freiburg U.) ; Peshekhonov, D.V. (Dubna, JINR) ; Peshekhonov, V.D. (Dubna, JINR) ; Piedigrossi, D. (CERN) ; Piragino, G. (INFN, Turin) ; Platchkov, S. (CERN) ; Platzer, K. (Munich U.) ; Pochodzalla, J. (Mainz U., Inst. Kernphys.) ; Polak, J. (Liberec Tech. U.) ; Polyakov, V.A. (Serpukhov, IHEP) ; Pontecorvo, G. (Dubna, JINR) ; Popov, A.A. (Dubna, JINR) ; Pretz, J. (Bonn U.) ; Procureur, S. (SPhN, DAPNIA, Saclay) ; Quintans, C. (Lisbon, LIFEP) ; Rajotte, J.-F. (Munich U.) ; Ramos, S. (Lisbon, LIFEP) ; Razaq, I. (INFN, Trieste) ; Rebourgeard, P. (SPhN, DAPNIA, Saclay) ; Reggiani, D. (CERN) ; Reicherz, G. (Ruhr U., Bochum) ; Richter, A. ; Robinet, F. (SPhN, DAPNIA, Saclay) ; Rocco, E. (INFN, Trieste) ; Rondio, E. (Warsaw U.) ; Ropelewski, L. (CERN) ; Rousse, J.Y. (SPhN, DAPNIA, Saclay) ; Rozhdestvensky, A.M. (Dubna, JINR) ; Ryabchikov, D. (Serpukhov, IHEP) ; Samartsev, A.G. (Dubna, JINR) ; Samoylenko, V.D. (Serpukhov, IHEP) ; Sandacz, A. (Warsaw U.) ; Merce, M.Sans (Munich U.) ; Santos, H. (Lisbon, LIFEP) ; Sapozhnikov, M.G. (Dubna, JINR) ; Sauli, F. (CERN) ; Savin, Igor A. (Dubna, JINR) ; Schiavon, P. (INFN, Trieste) ; Schill, C. (Freiburg U.) ; Schmidt, T. (Freiburg U.) ; Schmitt, H. (Freiburg U.) ; Schmitt, L. (Munich, Tech. U.) ; Schonmeier, P. ; Schroeder, W. ; Seeharsch, D. (Munich, Tech. U.) ; Seimetz, M. (SPhN, DAPNIA, Saclay) ; Setter, D. (Freiburg U.) ; Shaligin, A. (Dubna, JINR) ; Shevchenko, O.Yu. (Dubna, JINR) ; Shishkin, A.A. (Dubna, JINR) ; Siebert, H.-W. (Heidelberg U.) ; Silva, L. (Lisbon, LIFEP) ; Simon, F. (Munich, Tech. U.) ; Sinha, L. (Matrivani Inst., Calcutta) ; Sissakian, A.N. (Dubna, JINR) ; Slunecka, M. (Dubna, JINR) ; Smirnov, G.I. (Dubna, JINR) ; Sora, D. (Lisbon, LIFEP) ; Sosio, S. (INFN, Turin) ; Sozzi, F. (INFN, Trieste) ; Srnka, A. (Inst. Sci. Instruments, Brno) ; Stinzing, F. ; Stolarski, M. (Warsaw U.) ; Sugonyaev, V.P. (Serpukhov, IHEP) ; Sulc, M. (Liberec Tech. U.) ; Sulej, R. (Warsaw U.) ; Tarte, G. (SPhN, DAPNIA, Saclay) ; Takabayashi, N. (Nagoya U.) ; Tchalishev, V.V. (Dubna, JINR) ; Tessaro, S. (INFN, Trieste) ; Tessarotto, F. (INFN, Trieste) ; Teufel, A. ; Thers, D. (SPhN, DAPNIA, Saclay) ; Tkatchev, L.G. (Dubna, JINR) ; Toeda, T. (Nagoya U.) ; Tokmenin, V.V. (Dubna, JINR) ; Trippel, S. (Freiburg U.) ; Urban, J. (Freiburg U.) ; Valbuena, R. (CERN) ; Venugopal, G. (Bonn U., HISKP) ; Virius, M. (Prague, Tech. U.) ; Vlassov, N.V. (Dubna, JINR) ; Vossen, A. (Freiburg U.) ; Wagner, M. ; Webb, R. ; Weise, E. (Bonn U., HISKP) ; Weitzel, Q. (Munich, Tech. U.) ; Wiedner, U. (Munich U.) ; Wiesmann, M. (Munich, Tech. U.) ; Windmolders, R. (Bonn U.) ; Wirth, S. ; Wislicki, W. (Warsaw U.) ; Wollny, H. (Freiburg U.) ; Zanetti, A.M. (INFN, Trieste) ; Zaremba, K. (Warsaw U.) ; Zavertyaev, M. ; Zhao, J. (Mainz U., Inst. Kernphys.) ; Ziegler, R. (Bonn U., HISKP) ; Ziembicki, M. (Warsaw U.) ; Zlobin, Y.L. (Dubna, JINR) ; Zvyagin, A. (Munich U.)

Published in: Nucl.Instrum.Meth.
Year: 2007
Vol.: A577
Page No: 455-518
Pages: 84

Abstract: The COMPASS experiment makes use of the CERN SPS high-intensitymuon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy of hadrons. One or more outgoing particles are detected in coincidence with the incoming muon or hadron. A large polarized target inside a superconducting solenoid is used for the measurements with the muon beam. Outgoing particles are detected by a two-stage, large angle and large momentum range spectrometer. The setup is built using several types of tracking detectors, according to the expected incident rate, required space resolution and the solid angle to be covered. Particle identification is achieved using a RICH counter and both hadron and electromagnetic calorimeters. The setup has been successfully operated from 2002 onwards using a muon beam. Data with a hadron beam were also collected in 2004. This article describes the main features and performances of the spectrometer in 2004/ a short summary of the 2006 upgrade is also given.

Keyword(s): Fixed-target experiment ; Hadron structure ; Polarised DIS ; Polarised target ; Scintillating fibre detector ; Silicon microstrip detector ; Micromegas detector ; GEM detector ; Drift chamber ; Straw tube detector ; MWPC ; RICH detector ; Calorimetry ; Front-end electronics ; DAQ

Web-Page: http://weblib.cern.ch/abstract?CERN-PH-EP-2007-001

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