Intermediate neutron water kerma and flux measured between
1999. Okt. – 2000. Febr.
| No | Date | Filter mm |
Circumstances | Dose rate mGy.s-1 |
Inc. Flux n.cm-2.s-1 |
Refl. Flux n.cm-2.s-1 |
Monitor cps |
| 1 | X.18. | 0 Bi 45Pb+10B4C |
10 cm far from B4C filter |
0.087 | 1.75*105 | - | 17400 |
| 2 | X.19. | 0 Bi 45Pb+10B4C |
Between B4C filter and 3 cm water |
0.30 | 2.98*105 | 2.95*105 | 16900 |
| 3 | X.19. | 0 Bi 45Pb |
On B4C filter | 0.87 | 1.76*106 | - | - |
| 4 | X.25. | 150 Bi 45Pb+10B4C |
Between B4C filter and 2 cm water |
0.007 | 9.57*103 | 5.18*103 | 2360 |
| 5 | X.26. | 0 Bi 100 plexi |
On B4C filter | 0.233 | 4.39*105 | 6.34*104 | 12400 |
| 6 | X.26. | 0 Bi 45Pb+100 plexi |
On B4C filter | 0.134 | 2.61*105 | 8.64*103 | 9600 |
| 7 | XI.15. | 50 Bi 45Pb+10B4C |
On B4C filter | 0.045 | 6.20*105 | 2.93*104 | 9000 |
Notes
Flux is given per unit lethargy, 1/E spectrum considered below 100 keV.
Dose: 0.5 eV - 100 keV, incident + reflected together.
Gamma dose measured between
1999. okt.- 2000. Febr.
| No | Date | Filter mm |
Circumstances | Dose rate mGy.s-1 |
n/gamma | Monitor cps |
| 1 | X.18. | 0 Bi 45Pb+10B4C |
10 cm far from B4C filter |
0.087 | 5.31 | 17400 |
| 2 | X.19. | 0 Bi 45Pb+10B4C |
Between B4C filter and 3 cm water |
0.30 | - | 16900 |
| 3 | X.19. | 0 Bi 45Pb |
On B4C filter | 0.87 | - | - |
| 7 | XI.15. | 200 Pb+20Fe 45Pb+10B4C |
On B4C filter | 0.045 | 16.1 | 600 |
Chapter 4/ page 12 of 17
