The COMPASS experiment at CERN

Abbon, P.; Albrecht, E.; Alexakhin, V.Y.; Sapozhnikov, M.G.; Olshevsky, A.G.; COMPASS, C.

Авторы: Abbon P., Albrecht E., Alexakhin V.Yu, Sapozhnikov M.G., Olshevsky A.G., COMPASS C.
Журнал: Nuclear Instruments and Methods
Том: 577
Номер: 3
Год издания: 2007
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 455
Последняя страница: 518
DOI: 10.1016/j.nima.2007.03.026
Аннотация: Abstract The COMPASS experiment makes use of the CERN SPS high-intensity muon 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 polarised 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. PACS 07.05.Fb; 07.05.Hd; 07.05.Kf; 29.25.Pj; 29.30.−h; 29.40.Cs; 29.40.Gx; 29.40.Ka; 29.40.Mc; 29.40.Vj Keywords 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
Добавил в систему: Сапожников Михаил Григорьевич

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The COMPASS experiment at CERNстатья

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