Summary
The relativistic increase of ionization is studied in various gaseous mixtures by the method of drop-counting in a cloud chamber. If we callϱ the relative ionization ofβ/√1−β 2 equal to 300, we find that in pure Xenon or mixtures of Xenon and Hydrogen,ϱ is of the order of 1.7. On the other hand the value ofϱ drops to 1.3 if Helium is mixed with Xenon.
Riassunto
Si studia con il metodo del conteggio delle gocce in una camera a nebbia, l’aumento relativistico di ionizzazione di vari miscugli gassosi. Se indichiamo conϱ la ionizzazione relativa diβ/√1−gb 2 uguale a 300, si trova che nello xenon puro e nei miscugli di xenon e idrogeno,ϱ è dell’ordine di 1.7. D’altra parte il valore diϱ discende bruscamente a 1.3 se si mescola elio con lo xenon.
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Rousset, A., Lagarrigue, A., Musset, P. et al. Relativistic increase of ionization in Xenon. Nuovo Cim 14, 365–375 (1959). https://doi.org/10.1007/BF02728321
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DOI: https://doi.org/10.1007/BF02728321