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<p class="MsoNormal"><span style="color:#212121">Friday, February 17, 2023<o:p></o:p></span></p>
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<span style="color:#212121"> <o:p></o:p></span></p>
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<span style="color:#212121">Greetings to all. This upcoming meeting in late May of this year may be very pertinent to all concerned with the MOLLER Detector Mechanics.<o:p></o:p></span></p>
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<span style="color:#212121"> <o:p></o:p></span></p>
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<span style="color:#212121">All the best,<o:p></o:p></span></p>
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<span style="color:#212121"> <o:p></o:p></span></p>
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<span style="color:#212121">…………Carl<o:p></o:p></span></p>
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<span style="color:#212121"><a href="mailto:zorn@jlab.org" title="mailto:zorn@jlab.org"><span style="color:#0078D7">zorn@jlab.org</span></a><o:p></o:p></span></p>
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<span style="color:#212121"> <o:p></o:p></span></p>
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<span style="color:#212121"> <o:p></o:p></span></p>
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<span style="color:#212121">»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">owner-cpad@listserv.fnal.gov <owner-cpad@listserv.fnal.gov> on behalf of Petra Merkel <petra@fnal.gov><br>
<b>Date: </b>Thursday, February 16, 2023 at 3:44 PM<br>
<b>To: </b>cpad <cpad@fnal.gov><br>
<b>Subject: </b>[EXTERNAL] Forum on tracking Detector Mechanics 2023, Tübingen from May 31st to June 2nd, 2023<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Dear Colleague,</span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D"> </span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D">We would like to invite you to this year’s Forum on Tracking Detector Mechanics, which is going to be held at the Eberhard Karls Universität in Tübingen, Germany from May 31<sup>st</sup><span class="apple-converted-space"> </span>to
June 2<sup>nd</sup>, 2023. The meeting web site can be found at<span class="apple-converted-space"> </span></span><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.cern.ch_event_1228295_&d=DwMGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=e0gwkVYNnT8jZiOOUHnHeA&m=3mHCpXWFCwEUTmmqKQ_mCbgxGmS8REWCVELc48fCXp2y63S1Q3RmHIIVzdZxz_Aa&s=NKD9NXwr1mUq4e5d_OY5tg9l3ky5r-bK0M6IEPmqAAQ&e=" target="_blank" title="https://indico.cern.ch/event/1228295/"><span lang="EN-GB">https://indico.cern.ch/event/1228295/</span></a><span lang="EN-GB" style="color:#1F497D">.
Please register and submit abstracts at the web site. As usual, we are aiming for 30 minute presentations with 15 minutes of discussions, but it is possible that we will assign shorter presentations to make optimal use of the time. Also as usual, we are very
interested in all your experiences, successes and failures, so that the community can learn from all of them. The deadline for abstract submission is April 15<sup>th</sup>.</span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D"> </span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D">We are looking forward to seeing you there.</span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D"> </span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D">Best regards, The organisers</span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D"> </span><o:p></o:p></p>
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<span lang="EN-GB" style="color:#1F497D">Topics for the Forum include:</span><o:p></o:p></p>
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<li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Detector cooling</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Deflection, stability and precision of the structures, achieved and revisited requirements for the next generation</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Thermal expansion differences inside the detector</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Mass and therefore radiation length of mechanics, cables and pipes</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Humidity control, including gas flushing inside detector volume and along services</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Structural issues concerning humidity or outgassing</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Choices of construction materials</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Rails for support and guidance</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Alignment systems, requirements and "weak modes" of the system, in-situ adjustments, sensors including load sensors</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Pipe materials, pipe connection techniques and fittings</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Shock and vibration issues such as bond wire vibration during transport and in operation</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Effects on mechanics during fast discharge of magnet coils</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Tracker to beam-pipe interfaces and bakeout scenarios</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Failure management: What do we do to achieve a tracker with maximum duty cycle</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Service management: What strategies do we have to deal with services? How can we minimize installation and testing times?</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Radiation and mechanics: A discussion about the impacts of radiation on the design, materials and also issues like access constraints</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">Maintenance scenarios and the required special tooling</span><o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l0 level1 lfo3"><span lang="EN-GB">FEA and its comparison to real objects</span><o:p></o:p></li></ul>
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<span lang="EN-GB" style="color:black"> </span><o:p></o:p></p>
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