Author/Authors :
Aguilَ، نويسنده , , Ernest and Ballabriga، نويسنده , , Rafael and Comerma، نويسنده , , Albert and Garrido، نويسنده , , Lluيs and Gascَn، نويسنده , , David and Graciani، نويسنده , , Ricardo and Graugés، نويسنده , , Eugeni and Vilasيs-Cardona، نويسنده , , Xavier and Xirgu، نويسنده , , Xavier and Bohner، نويسنده , , Gerard and Bonnefoy، نويسنده , , Romeo and Borras، نويسنده , , David and Cornat، نويسنده , , Rem، نويسنده ,
Abstract :
The LHCb experiment (The LHCb Technical Proposal, CERN/LHCC 98-4) is designed to study B meson physics in the LHC proton–proton collider at CERN. The Scintillator Pad Detector (SPD) has been designed to complete the calorimeter information performing an e / γ identification for the experiment level-0 trigger system. The detection technology consists in transmitting scintillation light by means of both Wavelength Shifting and clear fibers to fast multi-anode photomultiplier tubes. In this paper, it is described the instrumentation and setup used to characterize the baseline photomultiplier solution (Hamamatsu R5900-00-M64) together with the scintillators and optical fibers for the SPD at LHCb.