Set-up optimization for an experimental test of a positron source using channeling

V. N. Baier, A. D. Bukin, T. V. Dimova, V. P. Druzhinin, M. S. Dubrovin, V. B. Golubev, S. I. Serednyakov, V. V. Shary, V. M. Strakhovenko, X. Artru, M. Chevallier, R. Kirsch, J. C. Poizat, J. Remillieux, R. Chehab, A. Jejcic, J. Silva, J. Major, A. P. Potylitsin, I. E. Vnukov

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A new experiment is suggested in order to investigate the positron yield at the exit of crystal tungsten targets of different thicknesses submitted to 10 GeV electron beam at one of the SPS CERN transfer lines. The Set-up consists of the beam control counters, targets mounted on the goniometer, positron detector and photon detector. The positron detector is based mainly on a drift chamber inserted between the poles of the magnet. It allows to reconstruct the track of the charged particles, to define the vertex coordinates and initial angle of the particles at the exit of the target, to measure the total and transverse momenta. A Monte Carlo simulation corresponding to the theoretical description of chanelling radiation and also numerical calculation were provided for the estimations of the expected distributions and detector response. The optimization of the Set-up is considered, as well as the status of the project in general.

Original languageEnglish
Pages (from-to)221-229
Number of pages9
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Issue number1-2
Publication statusPublished - 2 Oct 1998

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

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