Characteristics of multiwire proportional chambers for positron imaging
Conference
·
OSTI ID:4327099
Multiwire proportional chambers (MWPC) designed for use in a positron camera for nuclear medicine applications are described. The coordinated of the two anihilation gamma rays are detected in the chamber by their interaction with thin lead converters placed on both faces of each chamber. In order to obtain reasonable efficiencies (10%) the lead converters have been made in a square honeycomb-like structure, which increases the effective surface area and also permits the application of a drift field to extract the electrons into the active area of the MWPC. (auth)
- Research Organization:
- California Univ., Berkeley (USA). Lawrence Berkeley Lab.
- DOE Contract Number:
- W-7405-ENG-48
- NSA Number:
- NSA-29-020912
- OSTI ID:
- 4327099
- Report Number(s):
- LBL--2041; CONF-731112--30
- Country of Publication:
- United States
- Language:
- English
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