Test of an LED Monitoring System for the PHOS Spectrometer

<P>Preprint submitted to Elsevier Print on 26th January 2000<P>A prototype monitoring system for the Photon Spectrometer (PHOS) of the ALICE experiment at LHC is described in detail. The prototype consists of Control and Master modules. The first one is 8x8 matrix of Light Emitting Diode...

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Detalles Bibliográficos
Autores principales: Blick, A M, Bogolyubsky, M Yu, Erin, S V, Kharlov, Yu V, Lobanov, M O, Mikhailov, Yu V, Minaev, N G, Petrov, V A, Sadovsky, S A, Samoylenko, V D, Suzdalev, V I, Senko, V A, Tikhonov, V V
Lenguaje:eng
Publicado: 1999
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/426378
Descripción
Sumario:<P>Preprint submitted to Elsevier Print on 26th January 2000<P>A prototype monitoring system for the Photon Spectrometer (PHOS) of the ALICE experiment at LHC is described in detail. The prototype consists of Control and Master modules. The first one is 8x8 matrix of Light Emitting Diodes coupled with stable generators of current pulses. The system provides an individual control for each of the 64 channels of PHOS prototype based on lead-tungstate crystals. A long term stability of order of 10<SUP>-3</SUP> has been achieved in integral beam tests of the monitoring system and PHOS prototypes.

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