View source for NKS-B GammaTest:Spectra for calibration

The task is to report at least all identified nuclides - perfect solution includes the identification of all significant peaks, including background peaks i.e. no background subtraction.

1.	Peak/nuclide identification exercise spectrum file: 12711G6.chn
*Sample: sewage sludge sample in 0.5 l Marinelli beaker
*Detector: coaxial, p-type HPGe detector, relative efficiency 39%
*Energy calibration options
*#spectrum: calibG6.chn, certificate of calibration source: certif.txt (files attached)
*#energy calibration equation: E = 0.3337 * ch – 0.183 (E= energy in keV, ch = channel)
*#channel-energy –pairs:
*#*140.2 – 46.54 keV
*#*1531.4 ¬– 511.0
*#*4378.6 – 1460.8
*#*7835.4 – 2614.5


2.	Peak/nuclide identification exercise; spectrum file: 11100B1.chn
*sample: contaminated film dosimeter
*detector: Canberra BEGe detector BE5030, relative efficiency 50%, thin entrance window,thin Ge dead layer
*energy calibration options
*#energy calibration equation: E = 0.3305 * ch + 0.7301 (E= energy in keV, ch = channel)
*#channel – energy -pairs:
*#*67.7 – 23.1 keV
*#*516.3 ¬– 171.3
*#*740.2 – 245.4
*#*1258.3 – 416.6