A P P E N D I X - B
RADON – MCPC
Structure of input data file
1.000e-01 fr3 : air fraction in the mixture
7.6e+02 P : total pressure in torr
2.98e+02 T : temperature in K
1.000e+02 co : airborne radon activity concentration (Bq/m3)
1.5e+01 rpa :relative amplitude (%) of the gaussian-shaped airborne radon pulse 1.70 gam1 : 1st radon ramp (increment) to stationnary value ratio
4.30 gam2 : 2nd radon ramp (increment) to stationnary value ratio 6.90 gam3 : 3rd radon ramp (increment) to stationnary value ratio 18.0 gam4 : 4th radon ramp (increment) to stationnary value ratio 11.0 gam5 : 5th radon ramp (increment) to stationnary value ratio 8.10 gam6 : 6th radon ramp (increment) to stationnary value ratio -8.1 gam7 : 7th radon ramp (increment) to stationnary value ratio -11.0 gam8 : 8th radon ramp (increment) to stationnary value ratio -18.0 gam9 : 9th radon ramp (increment) to stationnary value ratio -6.90 gam10 : 10th radon ramp (increment) to stationnary value ratio -4.30 gam11 : 11th radon ramp (increment) to stationnary value ratio -1.70 gam12 : 12th radon ramp (increment) to stationnary value ratio
3.0e+01 rpd :time duration (in min) of the gaussian-shaped airborne radon pulse 452 ip1 : time of the 1st radon increment in minutes
454 ip2 : time of the 2nd radon increment in minutes 456 ip3 : time of the 3rd radon increment in minutes 459 ip4 : time of the 4th radon increment in minutes 461 ip5 : time of the 5th radon increment in minutes 464 ip6 : time of the 6th radon increment in minutes 470 ip7 : time of the 7th radon increment in minutes 473 ip8 : time of the 8th radon increment in minutes 475 ip9 : time of the 9th radon increment in minutes 478 ip10 : time of the 10th radon increment in minutes 480 ip11: time of the 11th radon increment in minutes 482 ip12: time of the 12th radon increment in minutes
440 440 ii0 : start time of measurement (spectrum acquisition & counting)in minutes 10 io : time duration of the measurement (acquisition & counting) in minutes 1.0e+01 q : gas flow rate in liters/min
8.000e+00 rmaxin : internal radius of cell element in cm 20 ncelt : total number of incorporated element cells 18 necc : total number of operating (counting) cell elements 3.0000e+00 Hcel : height of the element cells in cm
5.0000e+01 ranode : anode radius in microns 2.000e+00 pad : anode pad in a cell in cm
Appendix-B
182 ____________________________________________________________________________________________________________100000 IMAX : number of stories (alpha particles from radon alone) 4.000e+03 HV,anode high voltage in volts
1.00e-01 eb : energy equivalent of the basic total electronic noise in MeV
1.0e+00 bcr : the background count rate in count per min (cpm) [assufor Ed = 0.250 MeV] 1.2000e+04 epch (1.537) : the MCA conversion gain in electrons per channel
1800 ntchn : the total channel number
3.08943e+05 edisc : the electron equivalent discrimination bias (threshold level for alpha counting) 0.8140e0 cgsp : probability of an alpha particle to pass through the grid array material 1.0e+00 TFano : Total fano fitting factor
0.00e-00 ggnu : The gas gain non-uniformity factor 1.00e+00 Fatt : Electron attachment fitting factor 1.00e+00 Fion : Ionization coefficient fitting factor
0.00e-00 Defg : Random default in the wire GAP uniformity 0.00e-00 Defh : Random default in the cell height HCEL uniformity
