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Erratum to: A cloud chamber study of nuclear interactions with energies of about 100 GeV

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Il Nuovo Cimento (1955-1965)

An Erratum to this article was published on 01 December 1960

Summary

A cosmic ray experiment to study 100 GeV nuclear interactions with a magnet cloud chamber is reported. The analysis of the interactions is described and the hypotheses necessary for interpreting the measurements are discussed. Results from a first sample of 41 interactions are given. They show that 1) the transverse momenta of the secondary particles are generally low (<0.5 GeV/c) and 2) in the centre of momentum frame of reference the emitted particles mostly have low momenta and their angular distribution is anisotropic. There is also some evidence that in a nucleon-nuclear interaction at these energies the number of nucleons involved is small. The proportion of strange particles among the secondaries is similar to that found in interactions of much lower energy.

Riassunto

Si riferisce un esperimento con raggi cosmici per studiare interazioni nucleari di 100 GeV con una camera a nebbia in campo magnetico. Si descrive l’analisi delle interazioni e si discutono le ipotesi necessarie per interpretare le misure. Si danno i risultati di un primo campione di 41 interazioni. Essi dimostrano che: 1) gli impulsi trasversali delle particelle secondarie sono generalmente bassi (<0.5 GeV/c) e 2) nel centro del sistema di riferimento degli impulsi le particelle emesse per la maggior parte hanno impulsi bassi e la loro distribuzione angolare è anisotropa. Ci sono anche prove che in una interazione nucleone-nucleo di questa intensità di energia il numero di nucleoni interessato è piccolo. La proporzione di particelle strane fra le particelle secondarie è analoga a quella che si riscontra in interazioni di energia molto inferiore.

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In the initial stages of the experiment we had the valued collaboration of Dr.H. Filthuth and Mr.S. O. Larson in CERN and much help from Mr.A. H. Chapman of Imperial College, London.

An erratum to this article is available at http://dx.doi.org/10.1007/BF02733198.

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Montanet, L., Newth, J.A., Petrucci, G. et al. Erratum to: A cloud chamber study of nuclear interactions with energies of about 100 GeV. Nuovo Cim 17, 166–188 (1960). https://doi.org/10.1007/BF02732022

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  • DOI: https://doi.org/10.1007/BF02732022

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