https://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&feed=atom&action=historyDec 11,2012 Readout - Revision history2024-03-29T11:33:32ZRevision history for this page on the wikiMediaWiki 1.24.1https://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42910&oldid=prevZisis: /* Minutes */2012-12-12T15:36:30Z<p><span dir="auto"><span class="autocomment">Minutes</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, '''it was decided to have V<sub>ob</sub>=1.0V as our starting point''' (at the 20 C of our initial test) and tweak later based on our experience looking at showers.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, '''it was decided to have V<sub>ob</sub>=1.0V as our starting point''' (at the 20 C of our initial test) and tweak later based on our experience looking at showers.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on <del class="diffchange diffchange-inline">Noise </del>SiPM assignment''': following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  '''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.'''</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on <ins class="diffchange diffchange-inline">"noisy" </ins>SiPM assignment''': following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  '''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</div></td></tr>
</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42900&oldid=prevZisis: /* Minutes */2012-12-11T17:27:11Z<p><span dir="auto"><span class="autocomment">Minutes</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 17:27, 11 December 2012</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## FCAl first article: it has been received and preparations are underway for the measurements.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## FCAl first article: it has been received and preparations are underway for the measurements.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, '''it was decided to have V<sub>ob</sub>=1.0V as our starting point''' (at 20 C) and tweak later based on our experience.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, '''it was decided to have V<sub>ob</sub>=1.0V as our starting point''' (at <ins class="diffchange diffchange-inline">the </ins>20 C <ins class="diffchange diffchange-inline">of our initial test</ins>) and tweak later based on our experience <ins class="diffchange diffchange-inline">looking at showers</ins>.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment''': following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  '''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.'''</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment''': following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  '''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td></tr>
</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42899&oldid=prevZisis: /* Minutes */2012-12-11T17:26:28Z<p><span dir="auto"><span class="autocomment">Minutes</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 17:26, 11 December 2012</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, '''it was decided to have V<sub>ob</sub>=1.0V as our starting point''' (at 20 C) and tweak later based on our experience.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, '''it was decided to have V<sub>ob</sub>=1.0V as our starting point''' (at 20 C) and tweak later based on our experience.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment''': following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  <del class="diffchange diffchange-inline">'''Bold text</del>'''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment''': following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  '''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.<ins class="diffchange diffchange-inline">'''</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</div></td></tr>
</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42898&oldid=prevZisis: /* Minutes */2012-12-11T17:26:09Z<p><span dir="auto"><span class="autocomment">Minutes</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 17:26, 11 December 2012</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## FCAl first article: it has been received and preparations are underway for the measurements.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## FCAl first article: it has been received and preparations are underway for the measurements.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, it was decided to have V<sub>ob</sub>=1.0V as our starting point (at 20 C).  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, <ins class="diffchange diffchange-inline">'''</ins>it was decided to have V<sub>ob</sub>=1.0V as our starting point<ins class="diffchange diffchange-inline">''' </ins>(at 20 C) <ins class="diffchange diffchange-inline">and tweak later based on our experience</ins>.  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.   </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment'''</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment'''<ins class="diffchange diffchange-inline">: following discussion, we all agreed that the "noisy" SiPMs be treated as all the rest, for three reasons: a) it is hard to see from the plotted distributions where to put a cut on the dark rate, above which a SiPM is considered "noisy", b) after irradiation the dark rate climbs to 100 MHz making the noisy 40MHz (divided by 3 for cool operation, ie down to 10-13MHz)a moot point and c) logistically for the SiPM and electronics maps and assembly this would add more work and possibly lead to errors.  '''Bold text'''Decision: treat all SiPMs (including abnormal ones with one cell off) the same.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab: no report.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</div></td></tr>
</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42897&oldid=prevZisis at 17:22, 11 December 20122012-12-11T17:22:37Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>= Minutes =</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>= Minutes =</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>''Attending:</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>''Attending: <ins class="diffchange diffchange-inline">David, Yi (Jlab), Elton (GSI), Hayk (USM), Christina, Pavlos (Athens), Shaun, Andrei, Zisis (Regina)''</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Announcements: none</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Review of Action Items: items have been dealt with and striken from the list above.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Monitoring:</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">## FCAl first article: it has been received and preparations are underway for the measurements.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">## BCAL: min boards procced as per plan and controllers are being stuffed by Kappos.  Delivery will be after XMas.  Christina will communicate with Elton to arrange the shipments in view of minimizing customs duty.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Update from USM: Hayk showed Orlando's histograms on the dispersion and magnitude of the cross talk.  The former quantity is unaffected by over bias (1.0, 1.1 and 1.2 V distributions are quite similar) but the magnitude climbs from 18-25%.  This is in agreement with JLab measurements.  With all factors considered, it was decided to have V<sub>ob</sub>=1.0V as our starting point (at 20 C).  0.9V is good for 20 C, but 1.0 V satisfies all lower temperatures.  </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># '''Discussion and decision on Noise SiPM assignment'''</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Status of testing at JLab: no report.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Status of testing at Regina: Shaun will work on IV and PDE measurements starting next week and for the month of January, using the laser and the 10 first article MPPCs.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Simulations: Andrei will wrap up the sampling fraction simulations by the end of the year and send to David.  David reminded us that his changes are not set as default.  When they are implemented they would not affect the data challenges but would affect reconstruction such as Paul M's.  The changeover has to be coordinated with the Physics and Software WGs.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"># Beam Tests, Cosmics: no report.</ins></div></td></tr>
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</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42896&oldid=prevZisis at 17:13, 11 December 20122012-12-11T17:13:47Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># SiPMs (USM)</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># SiPMs (USM)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#* Provide histograms of all measured units for each specification at T=20 deg C and V=1.2 V above breakdown.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#* <ins class="diffchange diffchange-inline"><strike></ins>Provide histograms of all measured units for each specification at T=20 deg C and V=1.2 V above breakdown.<ins class="diffchange diffchange-inline"></strike></ins></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#* Show distribution of light guide measurements (Alam, Francisco, Iñaki)</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#* <ins class="diffchange diffchange-inline"><strike></ins>Show distribution of light guide measurements (Alam, Francisco, Iñaki)<ins class="diffchange diffchange-inline"></strike></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=Presentations from recent meetings=</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>=Presentations from recent meetings=</div></td></tr>
</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42895&oldid=prevAlam at 15:32, 11 December 20122012-12-11T15:32:27Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">## [[FILE:Xtsudy.pdf | Plots from Orlando]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment'''</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and decision on Noise SiPM assignment'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab</div></td></tr>
</table>Alamhttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42886&oldid=prevZisis: /* Tentative Agenda */2012-12-10T13:38:24Z<p><span dir="auto"><span class="autocomment">Tentative Agenda</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 13:38, 10 December 2012</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Update from USM</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and <del class="diffchange diffchange-inline">Decision of </del>Noise SiPM assignment'''</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># '''Discussion and <ins class="diffchange diffchange-inline">decision on </ins>Noise SiPM assignment'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at JLab</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Status of testing at Regina  </div></td></tr>
</table>Zisishttps://halldweb.jlab.org/wiki/index.php?title=Dec_11,2012_Readout&diff=42885&oldid=prevZisis: Created page with "'''<font color=red>Teleconference Time: 11:00 a.m. EST</font>''' * <font color=green>ESNET (Number is 8542553) and EVO session (GlueX Calorimetry meeting room)</font> * Phone c..."2012-12-10T13:34:49Z<p>Created page with "'''<font color=red>Teleconference Time: 11:00 a.m. EST</font>''' * <font color=green>ESNET (Number is 8542553) and EVO session (GlueX Calorimetry meeting room)</font> * Phone c..."</p>
<p><b>New page</b></p><div>'''<font color=red>Teleconference Time: 11:00 a.m. EST</font>''' <br />
<br />
* <font color=green>ESNET (Number is 8542553) and EVO session (GlueX Calorimetry meeting room)</font><br />
* Phone connection only upon request.<br />
** +1-866-740-1260 : US and Canada<br />
** +1-303-248-0285 : International<br />
** then use participant code: 3421244# (the # is needed when using the phone)<br />
** OR from www.readytalk.com type access code 3421244 into "join a meeting" without the # (you need java plugin)<br />
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=Participant Direct Lines=<br />
* JLab Phone: in CC F326 is 757-269-6460 (usual room)<br />
* JLab Phone in CC L207 is 757-269-7084<br />
* Phone in the Regina Videoconference Suite is 306-585-4204<br />
* Athens Phone: in Christina's office is 011-30-210-727-6947<br />
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=Items for followup from previous meeting=<br />
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# SiPMs (USM)<br />
#* Provide histograms of all measured units for each specification at T=20 deg C and V=1.2 V above breakdown.<br />
#* Show distribution of light guide measurements (Alam, Francisco, Iñaki)<br />
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=Presentations from recent meetings=<br />
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= Tentative Agenda =<br />
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# Announcements<br />
# Review of Action Items<br />
# Monitoring<br />
# Update from USM<br />
# '''Discussion and Decision of Noise SiPM assignment'''<br />
# Status of testing at JLab<br />
# Status of testing at Regina <br />
# Simulations<br />
# Beam Tests, Cosmics<br />
# Other<br />
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= Minutes =<br />
''Attending:</div>Zisis