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Related Experiment Videos

The Diogene 4 pi detector at Saturne.

J P Alard1, J Arnold, J Augerat

  • 1LPC Clermont-Ferrand, Aubière, France.

Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
|January 1, 1987
PubMed
Summary

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The Diogene detector at the Saturne synchrotron identifies charged particles and measures high-multiplicity nucleus-nucleus reactions. This advanced 4 pi detector system enables detailed studies of nuclear fragmentation and particle production.

Area of Science:

  • Nuclear Physics
  • Particle Physics
  • Detector Technology

Background:

  • High-energy physics experiments require sophisticated detectors for particle identification and trajectory reconstruction.
  • Understanding nucleus-nucleus reactions is crucial for nuclear structure and reaction dynamics.

Purpose of the Study:

  • To describe the Diogene detector system and its performance.
  • To demonstrate its capability in identifying various particles and measuring reaction multiplicities.

Main Methods:

  • Utilizing a 4 pi detector array including time-of-flight scintillator telescopes and a Pictorial Drift Chamber (PDC).
  • Employing a 1-T magnetic field within the PDC for charged particle trajectory analysis.
  • Implementing charge identification for pi mesons and hydrogen/helium isotopes.
Keywords:
NASA Discipline Number 22-70NASA Discipline Radiation HealthNASA Program Space MedicineNon-NASA Center

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Main Results:

  • Successful identification of positive and negative pi mesons.
  • Accurate detection of hydrogen and helium isotopes.
  • Measurement of high multiplicities (up to 40) in relativistic nucleus-nucleus reactions.

Conclusions:

  • The Diogene detector is a capable instrument for studying relativistic nucleus-nucleus collisions.
  • The system provides good particle identification and multiplicity measurements.
  • Detector electronics currently limit the maximum detectable multiplicity.