The questions regarding the dimensions of the "target" are confusing.
If it's the target tube, then 40 cm long by 15 mm is correct. However,
one can also mean the actual "active" source of particles, which
is 40 cm long with a diameter which is the beam spot size. Which do
you mean here?
-- John R. Calarco Dept. of Physics Univ. of New Hampshire Durham, NH 03824 phone: (603)862-2088 FAX: (603)862-2998 email: calarco@unh.edu
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