Computer Science – Performance
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ncimc...9..653b&link_type=abstract
(Symposium on Underground Physics, 1st, Saint Vincent, Italy, Apr. 25-28, 1985) Nuovo Cimento C, Serie 1 (ISSN 0390-5551), vol.
Computer Science
Performance
4
Cosmic Ray Showers, Muons, Particle Tracks, Radiation Counters, Underground Structures, Angular Resolution, Performance Tests
Scientific paper
The design and performance of plastic streamer tubes for use in large underground particle-physics experiments such as the muon, astrophysics, and cosmic-ray observatory (MACRO) being developed for Gran Sasso Laboratory are reported. The large (1000 sq m or more) detector area required to achieve high-angular-resolution muon tracking in MACRO is covered by modules with eight 3 x 3-cm-cross section active streamer-tube cells each, similar to those used in the Mt. Blanc Laboratory detector. The MACRO modules have a maximum length of 12 m; and the cells have 60-micron-diameter wires, two conducting graphite sides, and two insulating sides (electrodeless electric-field shaping). The results of performance tests flowing 3:1 He:n-pentane through a tube module are presented graphically. Spatial resolution 1 cm and time resolution 100 ns are obtained, and the ability of the streamer tubes to detect large ionization losses with respect to the minimum is demonstrated.
Battistoni Giuseppe
Campana P.
Chiarella V.
Denni U.
Iarocci E.
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