From: Nate Rodning <Nathan.Rodning@ualberta.ca>
Date: Thu, 01 Nov 2001 22:02:53 -0800
To: Michael Barnes <barnes@triumf.ca>, Glen Marshall <Glen.Marshall@triumf.ca>, "David R. Gill" <drgill@triumf.ca>, John Macdonald <john.macdonald@triumf.ca>, Doug Evans <devans@triumf.ca>, Jim Musser <jmuss@trmail.triumf.ca>, e614mechanical@relay.phys.ualberta.ca
Subject: TWIST Saturation
Hi all-
Mike Barnes has sent me his Opera 3d calculations, and Glen has sent me
the field measurements. I have played with the plotting scales, and
find a pretty interesting result.
When the measurements and calculations are plotted for 144 A, the
results agree very well at z=0 without any fudge factor. As Mike has
pointed out, the lobes are smaller in the measurements, indicating that
saturation is setting in sooner than expected.
At 228A, the field is 3.7% less than expected. It appears that this is
because saturation is setting in. Indeed, the lobes are again smaller
than expected - which means that the field is flatter than expected!
nate
--
Nathan Rodning
Professor of Physics, University of Alberta
**** 2001/02 at TRIUMF: (604) 222-7549
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Filename: FieldComparison.pdf
TWIST Saturation / Nate Rodning
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