Nonlinear Correction Methods of Temperature-Caused Peak Shift for a NaI(Tl) Gamma-Ray Spectrometer

Table 1

Peak position at different temperatures (IED_310).

Names	Energies (MeV)	Peak position at different temperatures (channels)
		0°C	6°C	12°C	17°C	26°C	31°C	36°C	42°C
K (^40K)	1.46	361	348	341	355	376	375	437	472
U (^214Bi)	1.76	431	416	406	421	440	438	496	532
Th (^208Tl)	2.62	632	613	605	618	622	613	670	698