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<p class="MsoNormal"><span lang="EN-US">Hello Aaron,</span></p><p class="MsoNormal"><span lang="EN-US"><br></span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">Thank you for your wonderful suggestions. I delete components behind
collimator 1 and set a series of <span style=""> </span>monitors instead . Parameters dist, xw and yh
are set as the following:</span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">1: xw=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".06" unitname="m" w:st="on">0.06m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">yh=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".11" unitname="m" w:st="on">0.11m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">dist=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="m" w:st="on">2.000m</st1:chmetcnv></span><span style="font-family: 宋体;">（</span><span lang="EN-US">prototype</span><span style="font-family: 宋体;">）</span><span lang="EN-US">;</span><span style="font-family: 宋体;"></span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">2: xw=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".08" unitname="m" w:st="on">0.08m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">yh=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".13" unitname="m" w:st="on">0.13m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">dist=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="m" w:st="on">2.000m</st1:chmetcnv>;</span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">3: xw=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".08" unitname="m" w:st="on">0.08m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">yh=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".13" unitname="m" w:st="on">0.13m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">dist=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="4.049" unitname="m" w:st="on">4.049m</st1:chmetcnv>
(focusing to the M2Exit slit)</span><span style="font-family: 宋体;">；</span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">4: xw=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".08" unitname="m" w:st="on">0.08m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">yh=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".13" unitname="m" w:st="on">0.13m</st1:chmetcnv></span><span style="font-family: 宋体;">、</span><span lang="EN-US">dist=<st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="10.649" unitname="m" w:st="on">10.649m</st1:chmetcnv>
(focusing to the end of the collimator1)</span><span style="font-family: 宋体;">；</span></p><p class="MsoNormal" style="text-indent: 15.75pt;"><span style="font-family: 宋体;"><br></span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">The simulation suggests: N increases remarkably while ERR decreases. <br></span></p><p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US"><br></span></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span lang="EN-US">I don’t know which project to choose since the results differ in
neutron intenstiy, divergence and distribution. See I, y_div, x_I in enclosure.</span></p></div><br>