Test of multi-anode photomultiplier tubes for the LHCb scintillator pad detector

• Published in: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 538; no. 1; pp. 255 - 264
• Main Authors: Aguiló, Ernest, Ballabriga, Rafael, Comerma, Albert, Garrido, Lluís, Gascón, David, Graciani, Ricardo, Graugés, Eugeni, Vilasís-Cardona, Xavier, Xirgu, Xavier, Bohner, Gerard, Bonnefoy, Romeo, Borras, David, Cornat, Remi, Crouau, Michel, Deschamps, Olivier, Jacquet, Philippe, Lecoq, Jacques, Monteil, Stephane, Perret, Pascal, Reinmuth, Guy
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 2005; Elsevier
• Subjects: High Energy Physics - Experiment; LHCb; MaPMT; Physics; SPD; LHCb; MaPMT; 85.60.Ha; SPD
• ISSN: 0168-9002; 1872-9576
• DOI: 10.1016/j.nima.2004.08.116

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.