Radiant energy – Calibration or standardization methods
Patent
1995-08-09
1997-03-11
Porta, David P.
Radiant energy
Calibration or standardization methods
25036309, G01D 1800, G01T 1208
Patent
active
056103964
ABSTRACT:
In a method for determining a gain factor of a photomultiplier, a radiation source arrangement emits gamma quanta that a scintillation arrangement absorbs and thereby emits photons. The photomultiplier is optically coupled to the scintillation arrangement and emits a signal dependent on the incident photons. The gamma quanta emitted by the radiation source arrangement are collimated onto a measuring location arranged on the scintillation arrangement. A signal amplitude spectrum of the signal is registered using the photomultiplier. Parameters of the signal amplitude spectrum are determined. The gain factor that describes the dependency between the incident photons and the signal is determined on the basis of these parameters.
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Hanig Richard
Porta David P.
Siemens Aktiengesellschaft
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