Source coordinate definition by. Non-destructive assay

1.

National research nuclear university „MEPhI“
Source coordinate definition by
non-destructive assay
Liberovsky Nikita,
student of F9-01a
Moscow 2015

2.

2
-4 -3 -2 -1
0
1
2
3 4
3
4
1
1,2,3,4 – organic scintillators
-4,-3, … ,3,4 – source positions
Schematic of the experimental set.

3.

Source position
Source coordinate, cm
-4
-18
-3
-13,5
-2
-9
-1
-4,5
0
0
1
4,5
2
9
3
13,5
4
18
Table of correspondence between
source position and coordinate

4.

Detector №1
Diagramm of the registered particles sorted by amplitude (axis Y)
and division parameter (axis X)

5.

Detector №2
Diagramm of the registered particles sorted by amplitude (axis Y)
and division parameter (axis X)

6.

Detector №3
Diagramm of the registered particles sorted by amplitude (axis Y)
and division parameter (axis X)

7.

Detector №3
Diagramm of the registered particles sorted by amplitude (axis Y)
and division parameter (axis X)

8.

3
ln(n)
f(x) = 0,14x + 0,01
R² = 0,99
2
1
0
-20
-15
-10
-5
0
5
10
15
20
Axis X, cm
-1
-2
-3
Graph of informative parameter depends on
coordinate