April 20, 2005
Super B Factory Workshop, Hawaii
Peter Križan, Ljubljana
How to increase the number of
photons?
What is the optimal radiator thickness?
Use beam
test
data on
s
0
and
N
pe
Minimize the error per track:
s=s
0
/
Ö
(N
pe
)
Optimum is close to 2 cm
s
0
N
pe
s=s
0
/
Ö
(N
pe
)