EFFECT OF THE NON-LINEAR RESPONSE OF NaI(Tl) ON THE SINGLE CRYSTAL SUMMING SPECTRA
Journal Article
·
· Nucl. Instr. Methods
The summing spectra of the two gamma and three gamma cascades in Lu/sup 177/, Co/sup 60/, Y/sup 88/, Na/sup 24/, Na/sup 22/, and Pm/s up 144/ were investigated with a 3 in. x 3 in. well type NaI(Tl) crystal. The sum peaks appear to shift to higher energy region because of the non-linear response of the NaI(Tl) crystal. The energy corresponding to the sum peak position was determined from a linear least square fit of the calibration points and the shift was determined in each case. The light output per kev was determined for a number of gamma rays of accurately known energy and was plotted as a function of the gamma-ray energy. The observed shifts are compared with the values expected on the basis of this light output per kev curve. (auth)
- Research Organization:
- Tata Inst. of Fundamental Research, Bombay
- NSA Number:
- NSA-17-025891
- OSTI ID:
- 4707117
- Journal Information:
- Nucl. Instr. Methods, Journal Name: Nucl. Instr. Methods Vol. Vol: 22
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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