"Straw-man detector": a compact five-layer tracking system using
double-sided 5m-resolution silicon strips in B=4T.
Beam pipes: 750
m thick beryllium, r=1cm near the IP and 500
m thick
stainless steel for the rest.
RF-shields: 200
m thick copper.
Vertex detector: 4 layers of silicon+beryllium at the radii of 1.2, 2.7,
3.8 and 4.8cm with
0.9.