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Dear Colleagues,</p>
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<font size="2">I've posted the results of my first, quick analysis of the tpass7d output to the #project-2015pass7 channel on Slack:
<a class="OWAAutoLink" id="LPlnk893793" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__heavyphotonsearch.slack.com_messages_C5FCT7161_&d=DwMFAw&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=J4PP6Zl8IyGHpsqWaKegORCYw8hoCHePTw5O95a5lqQ&m=31KdcHpVRcym8EeuD0kiVBLMaekteJ9TLDj-Dpn7ce0&s=pHQlOW1rCs5qU_BiZQgnapVDA4lNkEk126M2nKalk1E&e=" previewremoved="true">
https://heavyphotonsearch.slack.com/messages/C5FCT7161/</a> . So far I have only analyzed the Møller skim from run 5772.</font></p>
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<font size="2">Preliminary conclusions are:</font></p>
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<div>Unconstrained vertex position reconstruction consistent with beamspot centered at (0,0) and a target at z=0.5mm.
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Unconstrained vertex momenta show only very small deviations of beam from z axis.
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Uniformity of mass calculated from the three vertex collections (Unconstrained, BeamspotConstrained and TargetConstrained) confirms the internal consistency of locating the target at z=0.5mm.
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TargetConstrained Møller mass (from a simple Gaussian fit) is <br>
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m=0.033276±0.000003 <br>
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TargetConstrained Møller mass resolution (from a simple Gaussian fit) is <br>
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sigma=1.4633E-3 ± 3.0E-6</div>
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<font size="2"><span style="font-size: 10pt;">So far, so good.</span></font></div>
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<p><font size="2">Norman</font></p>
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