Fast* 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 |
Monitor cps |
| 1 | X.18. | 0 Bi 45Pb+10B4C |
On B4C filter | 4.36 | 4.05*108 | 17400 |
| 2 | X.25. | 50 Bi 10B4C |
On B4C filter | 2.81 | 2.60*108 | 9600 |
| 3 | X.25. | 150 Bi 45Pb+10B4C |
On B4C filter | 1.72 | 1.62*107 | 2360 |
| 4 | X.26. | 0 Bi 100 plexi |
On B4C filter | 2.99 | 2.77*108 | 12400 |
| 5 | X.27. | 200 Bp+20Fe 45Pb+10B4C |
On B4C filter | 0.0233 | 2.17*106 | 600 |
| 6 | I.17. | 50 Bi 45Pb+10B4C |
On B4C filter | 1.32 | 1.20*108 | 9000 |
# In the first line the internal, in the second line the external filters are given in mm.
* Neutron energy > than 100 keV.
Thermal 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 |
0.004 | 1.75*105 | - | 17400 |
| 2 | X.19. | 0 Bi 45Pb+10B4C |
Between B4C filter and 3 cm water |
0.006 | 2.98*105 | 2.95*105 | 16900 |
| 3 | X.19. | 0 Bi 45Pb |
On B4C filter | 1.176 | 1.76*106 | - | - |
| 4 | X.25. | 150 Bi 45Pb+10B4C |
Between B4C filter and 2 cm water |
0.0004 | 9.57*103 | 5.18*103 | 2360 |
| 5 | X.26. | 0 Bi 100 plexi |
On B4C filter | 0.016 | 4.39*105 | 6.34*104 | 12400 |
| 6 | X.26. | 0 Bi 45Pb+100 plexi |
On B4C filter | 0.014 | 2.61*105 | 8.64*103 | 9600 |
| 7 | XI.15. | 50 Bi 45Pb+10B4C |
On B4C filter | 0.0017 | 6.20*105 | 2.93*104 | 9000 |
Notes
Dose: incident + reflected together.
Chapter 4/ page 13 of 17
