2004/03/16
TZ, DC & JvdL measured the field as function of the south hall water temp.
Probe at mid front of the L wire chamber, 10 inch back from the most
downstream wire.
delta B = 2.5 G / degree Delsius
Left right asymmetry in field:
LCDMON = 1.520 kG RCDMON = 1.450 kG
LCDMIB = 3.500 kG RCDMIB = 3.320 kG
I think this over the accuracy of the Gauss meter, and errors made by not
exactly
positioning the Hall probe.
We should do more and more precise measurements before making definite
conclusions.
Jan
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