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Title: Fast CsI-phoswich detector

Abstract

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.

Inventors:
 [1]
  1. 1024 Osage Cir., Santa Fe, NM 87501
Issue Date:
Research Org.:
University of Minnesota
OSTI Identifier:
870409
Patent Number(s):
5514870
Assignee:
Langenbrunner, James R. (Santa Fe, NM)
DOE Contract Number:  
FG02-87ER40362
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
fast; csi-phoswich; detector; improved; phoswich; radiation; pure; csi; crystal; plastic; scintillator; single; photomultiplier; tube; arranged; receive; incident; passed; strikes; scintillation; light; applied; passing; absorption; therein; electronics; provided; analyzing; output; discriminate; responses; due; gate; integration; produce; results; indicative; characteristics; types; presence; amounts; excellent; timing; resolution; scintillators; csi-; chosen; risetimes; ne102a; 30; incident radiation; radiation detector; photomultiplier tube; scintillation light; plastic scintillator; multiplier tube; /250/

Citation Formats

Langenbrunner, James R. Fast CsI-phoswich detector. United States: N. p., 1996. Web.
Langenbrunner, James R. Fast CsI-phoswich detector. United States.
Langenbrunner, James R. Mon . "Fast CsI-phoswich detector". United States. https://www.osti.gov/servlets/purl/870409.
@article{osti_870409,
title = {Fast CsI-phoswich detector},
author = {Langenbrunner, James R},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {1}
}

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