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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