1
2
Ar:CO2 – 80:20 3
E n =5.5 MeV, neutron flux=1.4x10 6 n/cm 2 s 4
Sparks Ar:CO2 – 80:20 E n =5.5 MeV, neutron flux=1.4x10 6 n/cm 2 s E n =5.5 MeV, neutron flux=0.7x10 5 n/cm 2 s 5
6
7
8
9
10
Ar:CO2 – 93:7 11
E n =5.5 MeV, neutron flux=1.5x10 6 n/cm 2 s 12
Sparks Ar:CO2 – 93:7 13
14
15
16
17
18
Ar:CO2 – 80:20 Ar:CO2 – 93:7 combined for high and low n-rate 19
20
21
22
23
24
Energy Resolution Plot (source Fe55) 25
Plots from MCA w/ Fe source, doubleFit -Gauss (10/5/2010) 26
Resolution = FWHM/mean value = 2,35 sigma / mean value 27