Elong-13-10-09c

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Azz with Q^2>1

At with beam energies of 4.4 and 6.6 GeV, I attempted to optimize the rates while keeping both spectrometers at the same Q^2 which was above 1. I also added a cut so that only Q2>1 events are considered "good."


4.4 GeV Results


$E_{\mathrm{beam}}=4.4\mathrm{~GeV}$
$\mathrm{HMS~}\theta_{e'}=15.180^{\circ}$

$\mathrm{HMS~}E'=3.908\mathrm{~GeV}$
$\mathrm{HMS~}Q^2=1.200\mathrm{~(GeV/}c)^2$

$\mathrm{SHMS~}\theta_{e'}=15.180^{\circ}$

$\mathrm{SHMS~}E'=3.908\mathrm{~GeV}$
$\mathrm{SHMS~}Q^2=1.200\mathrm{~(GeV/}c)^2$

2013-10-09c-e-44-opt.png

6.6 GeV Results


$E_{\mathrm{beam}}=6.6\mathrm{~GeV}$
$\mathrm{HMS~}\theta_{e'}=10.766^{\circ}$

$\mathrm{HMS~}E'=6.026\mathrm{~GeV}$
$\mathrm{HMS~}Q^2=1.400\mathrm{~(GeV/}c)^2$

$\mathrm{SHMS~}\theta_{e'}=9.898^{\circ}$

$\mathrm{SHMS~}E'=6.108\mathrm{~GeV}$
$\mathrm{SHMS~}Q^2=1.200\mathrm{~(GeV/}c)^2$

2013-10-09c-e-66-opt.png
Note: This is a best case scenario, where the minimum HMS angle is allowed to drop to $10.5^{\circ}$, instead of the $12.2^{\circ}$ I've previously been using.


--E. Long 20:18, 9 October 2013 (UTC)