SIS-18 mCBM beam pipe geometry created with create_bpipe_geometry_v19a.C
a small diameter section attached to the target chamber.

It ends at z=610 mm downstream of the target.

The beam pipe is composed of iron with a fixed wall thickness of 2.0 mm.

Material:  iron

Beam pipe section: pipe1 - straight miniCBM beampipe
 i      Z,mm    Rin,mm   Rout,mm      h,mm
 1      0.00     25.00     27.00      2.00
 2    590.00     25.00     27.00      2.00
 3    630.00     48.00     50.00      2.00
 4   4000.00     48.00     50.00      2.00