Enhanced shower formation in aligned thick germanium crystals and discrimination against charged hadrons

A. Baurichter*, K. Kirsebom, R. Medewaldt, U. Mikkelsen, S. Møller, E. Uggerhøj, T. Worm, K. Elsener, S. Ballestrero, P. Sona, J. Romano

*Corresponding author af dette arbejde

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Abstract

The distribution of the energy released in a thin silicon detector placed on the downstream side of a thick germanium single crystal bombarded with a 150 GeV electron or pion beam along directions close to the 〈110〉 axis or along random directions has been investigated. In view of a possible application to very high energy gamma ray astronomy and particle physics, the intrinsic capability of such a device to reject, on the basis of energy discrimination, unwanted events due to charged hadrons together with the resulting loss of efficiency for the detection of showers initiated by high energy electrons, is determined as a function of the chosen energy threshold.

OriginalsprogEngelsk
TidsskriftNuclear Physics B (Proceedings Supplements)
Vol/bind44
Nummer1-3
Sider (fra-til)79-81
Antal sider3
ISSN0920-5632
DOI
StatusUdgivet - nov. 1995

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