A cloud chamber analysis of cosmic rays at 3500 metres Part A: The electronic component from nuclear disintegrations in lead View Full Text


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Article Info

DATE

1952-10

AUTHORS

A. Lovati, A. Mura, G. Tagliaferri, S. Terrani

ABSTRACT

A multiplate cloud chamber has been operated at mountain altitude, yielding 16 000 photographs of random expansions. This paper is intended to study the production of electronic component in nuclear disintegrations induced in lead by cosmic ray particles of moderately high energy. Assuming the neutral meson hypothesis, the ratio of the numbers of neutral of charged π-mesons forming in these disintegrations is derived to be 0.42±40%. The probability of production of electron-photon component in nucleon-Pb nucleus collisions is suggestively reported for two energy intervals: the indicative values are about 0.3 and 0.6 times the geometrical cross-section, for incident particle-energies centered, respectively, around 2 and 6 GeV. It is remarked that the results obtained, though rather poor statistically, are believed to be unaffected by instrumental selections. More... »

PAGES

946-958

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02786161

DOI

http://dx.doi.org/10.1007/bf02786161

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1011679604


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