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One- and Two-Coordinate Detectors in BINP.

V M Aulchenko1, S E Baru, M S Dubrovin

  • 1Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia.

Journal of Synchrotron Radiation
|July 21, 2004
PubMed
Summary
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Budker Institute of Nuclear Physics (BINP) developed advanced one- and two-coordinate detectors utilizing proportional chambers. These detectors enhance synchrotron radiation experiments, including powder diffraction, SAXS, and Laue diffraction, with improved performance and new capabilities.

Area of Science:

  • Nuclear Physics
  • Materials Science
  • X-ray Diffraction

Background:

  • The Budker Institute of Nuclear Physics (BINP) has a history of developing advanced detectors for scientific research.
  • Existing detectors often have limitations in terms of speed, resolution, or energy range for synchrotron radiation applications.

Purpose of the Study:

  • To present novel one- and two-coordinate detectors with proportional chambers developed at BINP.
  • To highlight the application of these detectors in various synchrotron radiation experiments.
  • To introduce new detector modifications and ongoing developments.

Main Methods:

  • Development and testing of one-coordinate detectors (OD-3.1, OD-3.2) for powder diffraction and SAXS.
  • Utilizing two-coordinate detectors (DED-3, DED-5) with multiwire proportional chambers (MWPC) for Laue diffraction.

Related Experiment Videos

  • Prototyping and testing of micro-strip detectors (MSGC-100, MSGC-500).
  • Construction of a high-resolution one-coordinate MWPC detector (OD-160) with specialized gas chambers (L and H types).

    • Main Results:

    • Parallax-free OD-3.1 and OD-3.2 detectors are successfully used in synchrotron radiation powder diffraction and SAXS.
    • The DED-3 detector is employed for Laue diffraction, with the DED-5 modification offering a larger working area (384 x 384 mm).
    • The MSGC-100 prototype has passed synchrotron radiation tests, with MSGC-500 under development for high-energy applications.
    • The OD-160 detector is under construction for high-resolution powder diffraction, featuring L (5-30 keV) and H (30-70 keV) gas chambers. A section with an H-chamber has been tested.

    Conclusions:

    • The developed one- and two-coordinate proportional chamber detectors offer significant advancements for synchrotron radiation research.
    • Ongoing developments, including micro-strip and high-resolution detectors, promise further improvements in experimental capabilities.
    • The new detectors are versatile and applicable to a range of diffraction and scattering techniques.