Summary
The constructional and operational features of triggered spark counters of large area are described. These counters are being used, in conjunction with nuclear emulsions, in current experiments in this laboratory on high energy nuclear interacting particles which arrive simultaneously over large areas, sometimes associated and at other times unassociated with air showers. For these experiments the spark counters and emulsions are being used in arrays covering an area of a few square meters.
Riassunto
Si descrivono le caratteristiche costruttive di contatori a scintillazione di grande superflcie. Questi contatori vengono usati, in unione con emulsioni nucleari, per esperimenti correnti in questo laboratorio su particelle ad alta energia da interazioni che arrivano simultaneamente su larghe aree, alcune volte in associazione con sciami dell’aria ed altre volte senza associazione con questi ultimi. Per questi esperimenti i contatori a scintillazione e le emulsioni sono usati in disposizioni che coprono un’area di alcuni metri quadrati.
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References
This system is, in principle, similar to the one reported byGrigorov et al. (1)S. I. Brikker, N. L. Grigorov, M. A. Kondrateva, A. V. Podgurskaja, A. I. Saveleva, V. A. Sobinjakov and V. Y. Sestoperov: who have used photographic emulsions in conjunction with ionisation chambers for the investigation of high energy interactions.
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Mistry, N.B., Murthy, G.T., Ramana Murthy, P.V. et al. Triggered spark counter arrays of large area (square meters) for experiments on very high energy cosmic ray particles. Nuovo Cim 17, 429–437 (1960). https://doi.org/10.1007/BF02860269
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DOI: https://doi.org/10.1007/BF02860269