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A new electron detector with high rejection power against pions

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Il Nuovo Cimento (1955-1965)

Summary

An electron detector, which consists of five elements, each one being made of a lead layer followed by a plastic scintillation counter and a two-gap spark chamber, is described. The rejection power of this new detector against pions is of the order of 4·10−4, the efficiency for electron detection varies from 75% to 85%, and the energy resolution can be as good as 10%, in the energy range 1.1 GeV to 2.5 GeV.

Riassunto

Si descrivono i parametri costruttivi ed i risultati ottenuti con un sistema che consiste di cinque elementi, ciascuno dei quali consta di uno strato di piombo seguito da uno scintillatore plastico e da una camera a scintilla a doppio gap, e che possiede un potere di reiezione contro i pioni dell’ordine di 4·10−4, con una efficienza per rivelazione di elettroni che varia tra 75% e 85% nell’intervallo di energia da 1.1 GeV a 2.5 GeV. La risoluzione in energia di questo apparato può raggiungere il 10%.

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The help of our technicians Messrs.J. Berbiers, K. Ley andB. Nicolai is highly appreciated.

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Massam, T., Muller, T., Schneegans, M. et al. A new electron detector with high rejection power against pions. Nuovo Cim 39, 464–473 (1965). https://doi.org/10.1007/BF02735816

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  • DOI: https://doi.org/10.1007/BF02735816

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