EXP1803

<p><span style="color:#000000;">Various urgent tasks.</span></p>

<p><span style="color:#000000;">Main features of detector geometry are shown on following sketch:</span></p>

<p><img alt="" data-rich-file-id="130" height="720" height=&quot;893&quot; src="/develop/system/rich/rich_files/rich_files/000/000/130/original/setup.jpg" width="960" width=&quot;1191&quot; /></p>

<p><span style="color:#000000;">Used parameters:</span></p>

<ul>
<li><span style="color:#000000;">MWPC</span>

<ul>
<li><span style="color:#000000;">distance between MWPC1 and MWPC2: 546 mm</span></li>
<li><span style="color:#000000;">distance between MWPC2 and target: 270 mm</span></li>
<li><span style="color:#000000;">wire step: 1.25 mm</span></li>
</ul>
</li>
<li><span style="color:#000000;">TOF</span>
<ul>
<li><span style="color:#000000;">distance between F3 and F5: </span><span style="color:#FF0000;">XX</span><span style="color:#000000;"> mm</span></li>
<li><span style="color:#000000;">TDC: 0.125 ns/channel_TDC</span></li>
</ul>
</li>
<li><span style="color:#000000;">Silicon detectors:</span>
<ul>
<li><span style="color:#FF0000;">distance from target to SQ20</span></li>
<li><span style="color:#FF0000;">distance from target to SQL</span></li>
<li><span style="color:#000000;">SQ20</span>
<ul>
<li><span style="color:#000000;">thickness 22 microns stated by manufacturer; high level of thickness inhomogeneity observed</span></li>
<li><span style="color:#000000;">16 X-strips</span></li>
<li><span style="color:#000000;">0 -> 15; left -> right</span></li>
</ul>
</li>
<li><span style="color:#000000;">SQL</span>
<ul>
<li><span style="color:#000000;">1 mm thick</span></li>
<li><span style="color:#000000;">32 X-strips</span></li>
<li><span style="color:#000000;">16 Y strips</span></li>
<li><span style="color:#FF0000;">strip numbering</span></li>
</ul>
</li>
<li><span style="color:#000000;">SQR</span>
<ul>
<li><span style="color:#000000;">1 mm thick</span></li>
<li><span style="color:#000000;">32 X-strips</span></li>
<li><span style="color:#000000;">16 Y strips</span></li>
<li><span style="color:#FF0000;">strip numbering</span></li>
</ul>
</li>
</ul>
</li>
</ul>

<p style="text-align: center;"><img alt="" data-rich-file-id="179" height="718" src="/develop/system/rich/rich_files/rich_files/000/000/179/original/Angles_H5_2.jpg" width="960" /><br />
<span style="color:#000000;">Detectors location according to measurement by S. Krupko.</span></p>