CERN Accelerating science

Article
Report number CERN-EP-80-54
Title A silica aerogel counter for large-acceptance hadron detection
Author(s) Arnault, C ; Barberis, P L ; Bassompierre, Gabriel ; Burkhardt, W ; Coignet, G ; Dosselli, U ; Heusse, P ; Montanet, François ; Schneegans, M
Affiliation (Paris Univ. Orsay) ; (INFN Torino) ; (Torino Univ.) ; (LAPP Annecy) ; (CERN)
Publication 1980
Imprint 24 Apr 1980
Number of pages 22
In: Nucl. Instrum. Methods 177 (1980) pp.337-346
Phys. Scr. 23 (1981) pp.710-715
In: International Conference on Experimentation at LEP, pp.710-15
DOI 10.1016/0029-554X(80)90043-9
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN SPS ; EMC NA2
Abstract In order to study the feasibility of large scale multicell counters, two prototypes with respective detection area 80*40 cm/sup 2/ and 65*31 cm/sup 2/ were constructed. The Cerenkov light produced in silica aerogel of refractive index n=1.03 and diffused in a well optimized box was detected with five quantacon photomultipliers. Results of beam tests concerning the aerogel thickness, the diffusing material and box shape, the influence of the incident particle position and the momentum threshold curves for pi , K and p are presented. The final design of a multicell detection system is given. (6 refs).

Corresponding record in: KEK ; Inspire


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