Enhanced electromagnetic showers initiated by 20-180 GeV gamma rays on aligned thick germanium crystals

A. Baurichter, K. Kirsebom, R. Medenwaldt, U. Mikkelsen, S. P. Møller, E. Uggerhøj, T. Worm, Y. V. Kononets, K. Elsener, S. Ballestrero, P. Sona, C. Biino, S. H. Connell, J. P.F. Sellschop, Z. Z. Vilakazi, A. Apyan, R. O. Avakian, K. A. Ispirian, S. P. Taroian

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The distribution of the energy released in a silicon detector placed on the downstream side of thick germanium single crystals bombarded by 20-180 GeV gamma rays along directions close to the 〈1 1 0〉 axis or along a random direction has been investigated. A large enhancement of the shower for axial incidence of the gamma rays has been found. The response of the system composed of a germanium crystal and a silicon detector to single gamma rays as a function of their energy has been deduced and compared with existing Monte Carlo simulations.

Original languageEnglish
Pages (from-to)472-478
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume152
Issue number4
DOIs
Publication statusPublished - 1 Jun 1999
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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