Thursday, June 13, 2013

1306.2819 (Hossein Moeini et al.)

Design studies of the PWO End-cap Calorimeter for PANDA    [PDF]

Hossein Moeini, Mohammad Al-Turany, Mohammad Babai, Alexandra Biegun, Olga Bondarenko, Klaus Gotzen, Myroslav Kavatsyuk, Michel Lindemulder, Herbert Lohner, Dima Melnychuk, Johan Messchendorp, Henk Smit, Stefano Spataro, Rick Veenstra
The PANDA detection system at FAIR, Germany, is designed to study antiproton-proton annihilations, in order to investigate among others the realm of charm-meson states and glueballs, which has still much to reveal. The yet unknown properties of this field are to be unraveled through studying QCD phenomena in the non-perturbative regime. The multipurpose PANDA detector will be capable of tracking, calorimetry, and particle identification, and is foreseen to run at high luminosities providing average reaction rates up to 20 Million interactions/s. The envisaged physics program requires measurements of photons and charged particles with excellent energy, position, and time resolutions. The electromagnetic calorimeter (EMC) will serve as one of the basic components of the detector setup and comprises cooled Lead-Tungstate (PbWO4) crystals. This paper presents the mechanical design of the Forward End-cap calorimeter and analyses the response of this detector component in conjunction with the full EMC and the complete PANDA detector. Results of the Monte Carlo simulations have been validated by data obtained from a prototype calorimeter.
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