Performance studies of prototype II for the CASTOR forward calorimeter at the CMS experiment |
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| Authors: | X Aslanoglou MN Bakirci S Cerci A Cyz D d’Enterria E Gladysz-Dziadus L Gouskos A Ivashkin C Kalfas P Katsas A Kuznetsov Y Musienko AD Panagiotou E Vlasov |
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| Institution: | (1) Dept. of Phys., University of Ioannina, PO Box 1186, 45110 Ioannina, Greece;(2) Dept. of Phys., University of Cukurova, 01330 Adana, Turkey;(3) Institute of Nuclear Physics, Radzikowskiego 152, 31342 Kraków, Poland;(4) PH Dept., CERN, 1211 Geneva 23, Switzerland;(5) Phys. Dept., University of Athens, 15701 Athens, Greece;(6) Institute of Nuclear Research, 117312 Moscow, Russia;(7) NRC “Demokritos” INP, PO Box 60228, 15310 Ioannina, Greece;(8) Dept. of Physics, Northeastern University, MA 02115 Boston, USA;(9) ITEP, 117259 Moscow, Russia |
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| Abstract: | We present results of the performance of the second prototype of the CASTOR quartz–tungsten sampling calorimeter, to be installed
in the very forward region of the CMS experiment at the LHC. The energy linearity and resolution, as well as the spatial resolution
of the prototype to electromagnetic and hadronic showers are studied with E=20–200 GeV electrons, E=20–350 GeV pions, and
E=50, 150 GeV muons from beam tests carried out at CERN/SPS in 2004. The responses of the calorimeter using two different
types of photodetectors (avalanche photodiodes APDs, and photomultiplier tubes PMTs) are compared. |
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