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Fast CsI-phoswich detector

Patent ·
OSTI ID:870409
 [1]
  1. 1024 Osage Cir., Santa Fe, NM 87501
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An improved phoswich radiation detector used pure CsI crystal and a fast plastic scintillator and a single photomultiplier tube. The plastic is arranged to receive incident radiation, and that which passed through then strikes the CsI crystal. Scintillation light from both the plastic and CsI crystal are applied to the photomultiplier tube, with the light from the plastic passing through the crystal without absorption therein. Electronics are provided for analyzing the output of the photomultiplier tube to discriminate responses due to the plastic and the CsI crystal, through short gate and long gate integration, to produce results which are indicative of the characteristics of the different types of incident radiation, even in the presence of large amounts of radiation. The phoswich detector has excellent timing resolution. The scintillators of the CsI- phoswich were chosen for their fast risetimes, of about 3 ns for NE102A, and 30 ns for the pure CsI.

Research Organization:
University of Minnesota
DOE Contract Number:
FG02-87ER40362
Assignee:
Langenbrunner, James R. (Santa Fe, NM)
Patent Number(s):
US 5514870
OSTI ID:
870409
Country of Publication:
United States
Language:
English

References (1)

CsI-phoswich detector for charged-particle identification
  • Langenbrunner, J. L.; Morris, C. L.; Whitton, R. M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 316, Issue 2-3 https://doi.org/10.1016/0168-9002(92)90934-V
journal June 1992

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