Physics
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975icrc....9.3183b&link_type=abstract
In: International Cosmic Ray Conference, 14th, Munich, West Germany, August 15-29, 1975, Conference Papers. Volume 9. (A76-26851
Physics
1
Cosmic Rays, Deuterons, Heavy Nuclei, Helium Isotopes, Particle Energy, Particle Motion, Cerenkov Counters, Mass Ratios, Mean Free Path, Monte Carlo Method, Particle Flux Density, Particle Telescopes, Statistical Distributions, Superconducting Magnets
Scientific paper
It is known that the mean matter traversed by cosmic rays, X, can be obtained from the observed ratio of the flux of daughter nuclei to that of the parent nuclei provided X is much less than the attenuation mean free of the daughter nuclei. This condition is well satisfied in the case of 2H and 3He. We propose to measure the 2H/1H and 3He/4He ratios, using a multiwire proportional counter array and a superconducting magnet to measure the rigidity, and a set of aerogel Cerenkov counters to measure the velocity, thus yielding the mass of the particle. Results of a Monte-Carlo calculation based on actual experimental conditions are presented to show the resolution of the instrument. The area solid angle of the telescope is 90 sq cm sr with an average maximum detectable momentum of 140 GV.
Badhwar Gautam D.
Golden R. L.
Stephens Alfred S.
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