EXP1904: Reference reaction

<p>Initial form of the ⁹Li missing mass will be determined in this issue together with input parameters. All variations of the stated parameters will be reported as individual subtask of this issue.</p>

<p>The initial parameters:</p>

<table border="1" cellpadding="1" cellspacing="1" style="width:500px;">
<tbody>
<tr>
<td style="text-align: center;"><strong>number</strong></td>
<td style="text-align: center;"><strong>parameter</strong></td>
<td style="text-align: center;"><strong>value</strong></td>
<td style="text-align: center;"><strong>unit</strong></td>
</tr>
<tr>
<td style="text-align: center;">1</td>
<td>beam diagnostics</td>
<td><a href="http://er.jinr.ru/develop/issues/395">issue 395</a></td>
<td> </td>
</tr>
<tr>
<td style="text-align: center;">2</td>
<td>thin SSD calibration parameters</td>
<td>not used</td>
<td> </td>
</tr>
<tr>
<td style="text-align: center;">3</td>
<td>thick SSD calibration parameters</td>
<td><a href="http://er.jinr.ru/develop/issues/386">issue 386</a></td>
<td> </td>
</tr>
<tr>
<td style="text-align: center;">4</td>
<td>central DSD calibration parameters</td>
<td><a href="http://er.jinr.ru/develop/issues/387">issue 387</a></td>
<td> </td>
</tr>
<tr>
<td style="text-align: center;">5</td>
<td>thin detector front dead layer</td>
<td>not used</td>
<td>mcm</td>
</tr>
<tr>
<td style="text-align: center;">6</td>
<td>thin detector rear dead layer</td>
<td>not used</td>
<td>mcm</td>
</tr>
<tr>
<td style="text-align: center;">7</td>
<td>thick SSD front dead layer</td>
<td>0.5</td>
<td>mcm</td>
</tr>
<tr>
<td style="text-align: center;">8</td>
<td>thin detector position</td>
<td>(-21.3,45.8,173)<br />
(-45.8,-21.3,173)<br />
(21.3,-45.8,173)<br />
(21.3,45.8,173)</td>
<td>mm</td>
</tr>
<tr>
<td style="text-align: center;">9</td>
<td>thick detector position</td>
<td>(-21.3,45.8,188)<br />
(-45.8,-21.3,188)<br />
(21.3,-45.8,188)<br />
(21.3,45.8,188)</td>
<td>mm</td>
</tr>
<tr>
<td style="text-align: center;">10</td>
<td>central DSD position</td>
<td>(0,0,323)</td>
<td>mm</td>
</tr>
<tr>
<td style="text-align: center;">11</td>
<td>target density (same pressure as for ⁷H)</td>
<td>0.0020646</td> &lt;td&gt;0.0018431&lt;/td&gt;
<td>g.cm^-3</td>
</tr>
<tr>
<td style="text-align: center;">12</td>
<td>target density, low </td>
<td>0.001005</td> &lt;td&gt;0.000922&lt;/td&gt;
<td>g.cm^-3</td>
</tr>
<tr>
<td style="text-align: center;">13</td>
<td>full target thickness</td>
<td>6</td>
<td>mm</td>
</tr>
<tr>
<td style="text-align: center;">14</td>
<td>target mylar window thickness</td>
<td>3.5</td>
<td>mcm</td>
</tr>
<tr>
<td style="text-align: center;">15</td>
<td>target stainless steel window thickness</td>
<td>6</td>
<td>mcm</td>
</tr>
<tr>
<td style="text-align: center;">16</td>
<td>CsI calibration parameters</td>
<td><a href="http://er.jinr.ru/develop/issues/341">issue 341</a></td>
<td> </td>
</tr>
<tr>
<td style="text-align: center;">17</td>
<td>map of thickness for thin SSD</td>
<td><a href="http://er.jinr.ru/develop/issues/283">issue 283</a></td>
<td> </td>
</tr>
<tr>
<td style="text-align: center;">18</td>
<td>mapping of the strips and crystals</td>
<td><a href="http://er.jinr.ru/develop/issues/293">issue 293</a></td>
<td> </td>
</tr>
</tbody>
</table>

<p>Energy deposit in the first layer of side telescopes is calculated according to map of thickness.</p>

<p>Two expositions are at disposal:</p>

<ul>
<li>for thin gaseous target (be10_ct_39* and be10_ct_40*)</li>
<li>for thick gaseous target (be10_ct_*)</li>
</ul>