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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:Consolas">Hi John,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:Consolas">Will the “to be delivered” cavities be NEW or REPORPOSED & REPROCESSED cavities. I am concerned about traceability for datamining inspection and processing data if the need arises. The
L2RB redesignation will hide the cavities origin causing a potential loss critical data.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Consolas;color:black;mso-ligatures:none">Mike Dickey<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:black;mso-ligatures:none">SRF Inventory Technician<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:black;mso-ligatures:none">Jefferson Lab<br>
12000 Jefferson Ave<br>
Newport News, VA 23606<br>
(757) 269-7755</span><span style="font-family:Consolas;mso-ligatures:none"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none"> John Vennekate <hannesv@jlab.org>
<br>
<b>Sent:</b> Thursday, November 6, 2025 10:49 AM<br>
<b>To:</b> Mike Dickey <mdickey@jlab.org>; pansophy <pansophy@jlab.org><br>
<b>Cc:</b> Adam Grabowski <adamg@jlab.org>; Ashley Mitchell <ashleya@jlab.org><br>
<b>Subject:</b> SNs for L2RB cavities<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Mike,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’ve caught a slight discrepancy in the SN numbers for the new L2RB cavities in the system. Overall, I suggest replacing the “HE” in “HE-CAVRXXX” with “L2RB”.<br>
However, we need to distinguish between former L2 and L2HE (production) cavities. The way this is done is that the L2 cavities have a leading 0 while the L2HE cavities have an R.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Currently, this mostly affects the two reuse cavities from L2-J11. Those are
<b>L2RB-CAV<u>0</u>167</b> and <b>L2RB-CAV<u>0</u>140</b>. I want to make sure to avoid any confusion with HE cavities CAVR140 and CAVR167.<o:p></o:p></p>
<p class="MsoNormal">Beyond those, we either got in house or are expecting:<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR023 (to be delivered)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR036 (to be delivered)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR043
<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR049<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR094<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR106<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR113<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR132 (to be delivered)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR135<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR138 (to be delivered)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR147 (to be delivered)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR198 (to be delivered)<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">L2RB-CAVR200 (to be delivered)<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As of now, the L2RB traveler SN selection lists those all with a leading 0. We should correct this to avoid confusion with old L2 cavities. Would it be possible for you and the
<a id="OWAAM2BA00C1D15BC47B3BD09E20C11866DAD" href="mailto:pansophy@jlab.org"><span style="font-family:"Aptos",sans-serif;text-decoration:none">@pansophy</span></a> team to fix that?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best,<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">John V<o:p></o:p></p>
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