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The Laser Monitoring System of a Scintillation Calorimeter

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Abstract

The monitoring system of the scintillation sandwich calorimeter is based on scintillator excitation by UV radiation. The system is composed of a nitrogen laser, neutral filters (7 stages of the laser-signal attenuation), and a set of laser-radiation distributors among the quartz fibers transmitting the light towards the scintillator tiles. The system is computer-controlled. A 780-channel system for monitoring the prototype calorimeter of the CMS setup was developed. The efficiency of the monitoring system was demonstrated by testing it on the accelerator beam. The error in measuring the amplitude of a laser-generated scintillation was 1%. The long-term stability of the system was characterized by a variance of 1.1%.

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Authors and Affiliations

  1. Institute for High Energy Physics, Protvino, Moscow oblast, 142284, Russia

    P. I. Goncharov, V. N. Evdokimov, Yu. P. Korneev, V. I. Kryshkin, V. S. Petrov & L. K. Turchanovich

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  1. P. I. Goncharov
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  2. V. N. Evdokimov
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  3. Yu. P. Korneev
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  4. V. I. Kryshkin
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  5. V. S. Petrov
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  6. L. K. Turchanovich
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Goncharov, P.I., Evdokimov, V.N., Korneev, Y.P. et al. The Laser Monitoring System of a Scintillation Calorimeter. Instruments and Experimental Techniques 43, 735–742 (2000). https://doi.org/10.1023/A:1026651313638

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  • DOI: https://doi.org/10.1023/A:1026651313638

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