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

natCr(d,x)51Cr

51Cr

Irradiation time = 1 h

Beam current = 1 mA
Eg = 320.08 keV T1/2 = 27.7 d
Ig = 10 % Tolerance = 1%

Geometry factor = 1

Irradiation angle = 90 degree

Bombarding Energy of  5.0 MeV

EOB

Total activity at EOB = 18.4 kBq

Activity of the linear layer at EOB = 14.8 kBq

Specific activity on the surface at EOB = 1.098 kBq/mm

Thickness of the layer with linear activity = 19.8 mm
Activity = ax + b   a = -0.0345  b = 1.0976