The TRIUMF radiative muon capture facility

D. H. Wright, S. Ahmad, D. S. Armstrong, G. Azuelos, W. Bertl, M. Blecher, C. Q. Chen, T. P. Gorringe, M. D. Hasinoff, R. S. Henderson, J. A. Macdonald, J. M. Poutissou, R. Poutissou, B. C. Robertson, D. G. Sample, A. Serna-Angel, G. Taylor, N. S. Zhang

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Radiative muon capture (RMC) on hydrogen produces photons with a yield of ∼10-8 per stopped muon. To measure RMC at TRIUMF we have constructed a large-solid-angle photon pair-spectrometer which surrounds the liquid hydrogen target. The spectrometer consists of a cylindrical photon converter and a large-volume cylindrical drift chamber to track the e+e- pairs. It is enclosed in a spectrometer magnet which produces a highly uniform axial magnetic field. The detector subsystems, the hardware trigger and the data acquisition system are described, chamber calibration and tracking techniques are presented, and the spectrometer performance and its Monte Carlo simulation are discussed.

Original languageEnglish
Pages (from-to)249-262
Number of pages14
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
StatePublished - Aug 15 1992

Bibliographical note

Funding Information:
This work was supported by the National Research Council and the Natural Sciences and Engineering Research Council (Canada), the National Science Foundation (USA), the Paul Scherrer Institute (Switzerland) and the Australia Research Council .

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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