About TLA 

 Reactions 

Constant EOB

After cooling

Linear EOB

After cooling

Cross sections

References

 

Last updated: January 2010, by S. Takacs

Producing activity decreasing linearly in depth

natNi(p,x)57Ni

57Ni

Irradiation time = 1 h

Beam current = 1 mA
Eg = 1377.63 keV T1/2 = 1.48 d
Ig = 81.7 % Tolerance = 1%

Geometry factor = 1

Irradiation angle = 90 degree

Bombarding Energy of  18.6 MeV

EOB

Total activity at EOB = 10101 kBq

Activity of the linear layer at EOB = 4052 kBq

Specific activity on the surface at EOB = 94.6 kBq/mm

Thickness of the layer with linear activity = 48.7 mm
Activity = ax + b   a = -0.4625   b = 94.6621