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Since the NMR probe is not in place, I thought it might be useful to
combine all the information I have (Config. 1 and 3 calibrations and
maps, and Tosca calculations normalized to the data at 12 GeV) into
a plot that should allow one to predict the power supply PPM value
needed to bend the electron beam by 13.4 degrees to the dump at any
beam energy, assuming that the hysteresis procedure is the same as
Tim used during mapping. <br>
<br>
The PPM/B values for configurations 1 and 3 are consistent to about
0.1%, so that should be the error bar -- about equal to the data
point size on the plot -- except well above 12 GeV, where the 1.7
Tesla field requires ~0.6% more current than the Tosca curve
predicts.<br>
<br>
Dan<br>
<br>
<br>
<div class="moz-signature">-- <br>
<font color="#ff0000"><i>Daniel Sober<br>
Professor<br>
Physics Department<br>
The Catholic University of America<br>
Washington, DC 20064<br>
Phone: (202) 319-5856, -5315<br>
E-mail: <a class="moz-txt-link-abbreviated" href="mailto:sober@cua.edu">sober@cua.edu</a></i></font><br>
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