Re: absorbtion by air
Michael Glazer ( glazer@physics.oxford.ac.uk )
Fri, 20 Dec 1996 09:15:18 +0000 (GMT)
You are perfectly correct. Helium would cut down the air scattering by a
large amount. In fact Stoe used to supply beam tunnels that could be
filled with helium at least on the beam - sample side.
Mike Glazer
Oxford