Author :
Bondila, M. ; Grigoriev, V.A. ; Guber, F.F. ; Kaplin, V.A. ; Karakash, A.I. ; Karavichev, O.V. ; Karavicheva, T.L. ; Klimov, A.I. ; Kondratieva, N. ; Kozlov, K.N. ; Kurepin, A.B. ; Loginov, V.A. ; Lyapin, V.V. ; Malkiewicz, T. ; Marin, V.V. ; Maevskaya, A
Abstract :
T0-the fast timing and trigger detector for the ALICE experiment at CERN LHC-is described. Performance of the T0 prototype measured with a mixture of 6 GeV/c negative pions and kaons is given. The best time resolution (28 ps r.m.s.) was reached with a radiator diameter matching that of the photocathode. The results for all the tested radiator sizes are considerably better than 50 ps-the minimum requirement for the ALICE experiment.
Keywords :
Cherenkov counters; photocathodes; photomultipliers; position sensitive particle detectors; ALICE experiment; CERN LHC; Cherenkov detectors; T0 prototype; fast timing detector; negative kaons; negative pions; photocathode; photomultipliers; radiator diameter; time resolution; trigger detector; Bonding; Large Hadron Collider; Magnetic separation; Mesons; Particle tracking; Physics; Radiation detectors; Sensor arrays; Silicon radiation detectors; Spectroscopy; Cherenkov detectors; photomultipliers; triggering;
