DISTO: A large acceptance multiparticle spectrometer for 1-3 GeV proton beams

F. Balestra, Y. Bedfer, R. Bertini, L. C. Bland, A. Brenschede, F. Brochard, M. P. Bussa, V. Chalyshev, Seonho Choi, M. Debowski, M. Dzemidzic, J. Cl Faivre, I. V. Falomkin, L. Fava, L. Ferrero, J. Foryciarz, V. Frolov, R. Garfagnini, D. Gill, A. GrassoE. Grosse, S. Heinz, W. W. Jacobs, W. Kühn, A. Maggiora, M. Maggiora, A. Manara, D. Panzieri, H. W. Pfaff, G. Piragino, G. B. Pontecorvo, A. Popov, J. Ritman, P. Salabura, P. Senger, J. Stroth, F. Tosello, S. E. Vigdor, B. Zalikhanov, G. Zosi

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

A magnetic spectrometer system has been constructed for the study of reactions with multiple charged particles in the final state, reduced by polarized proton beams of few GeV energy. The system is based on a large-gap dipole magnet, with a liquid hydrogen target and scintillating fiber tracking detectors embedded inside the magnet. Multiwire proportional chambers, plastic scintillator hodoscopes, and threshold Cherenkov detectors placed outside the magnet provide additional tracking, triggering and particle identification capabilities. The system has been applied to study exclusive hyperon as well as pseudoscalar and vector meson production reactions at bombarding energies below 3 GeV. Additionally, it has been used to monitor the proton beam polarization at Laboratoire National Saturne. The components and performance of the system are reported.

Original languageEnglish (US)
Pages (from-to)385-404
Number of pages20
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume426
Issue number2
DOIs
StatePublished - May 1 1999
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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