Data Sheet for 5% Beryllium Target

3rd May 2002

Thicknesses are measured at the 9 points marked t1 to t9. Four diameters are measured as indicated: at the upstream end, du1 to d4, and at the downstream end, dd1 to dd4, of the cylinder.

Material Beryllium
Purity 99.95%
Nominal thickness 20.3 mm
Thickness (mm) t1  20.48t2  20.47t3  20.45 t4  20.455t5  20.47
t6  20.46t7  20.45t8  20.455 t9  20.455 
Diameter (mm) du1  30.05du2  30.05 du3  30.05du4  30.05 
dd1  30.055dd2  30.055 dd3  30.055dd4  30.055 
Mass (g)26.776
Derived density1.85 g cm-3
Data book density1.85 g cm-3
Location Centred on z = 0.


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