Difference between revisions of "AIOP Mar. 18, 2024"
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=== Agenda: === | === Agenda: === | ||
| − | # [[AIOP | + | # [[AIOP Mar. 4, 2024| Previous Meeting]] |
#: | #: | ||
# Announcements | # Announcements | ||
| Line 65: | Line 65: | ||
=== Minutes === | === Minutes === | ||
| − | + | Attendees: James M., Naomi J., Malachi S., Torri J., Thomas B., Jiawei G. | |
| + | |||
| + | * Naomi gave brief update on the 5-min lightning talk she gave at the recent Hall-D Polarized Target workshop | ||
| + | ** She noted Ken Livingston showed interest in the project. We should send him a link to the proposal. | ||
| + | |||
| + | * Still some access issues with Github Project. Patrick and Jaiwei need to be added to JeffersonLab organization. (David can do that) | ||
| + | |||
| + | * Torri showed [https://docs.google.com/presentation/d/1zdBw3Ed3sP9p1tl8uPvpETMc-WnDyKF62fOaS487qCM/edit?usp=sharing some slides] on preliminary data logging along with a few plots | ||
| + | * James already had some extensive information in a number of files in JSON format | ||
| + | * We discussed the nature of the NMR data that was collected. | ||
| + | ** It involves sweeping through a range of frequencies over a ~3min time period | ||
| + | ** Multiple passes are made and the average of the values at each frequency recorded to give an waveform | ||
| + | * James explained some issues with RG-C data from CLAS12 due to coils being outside of the target instead of inside where they would normally put them. | ||
| + | ** The external coils make the NMR more sensitive to beam position. The beam itself was rastered so illuminated an area of the cup. | ||
| + | ** RG-C analysis of elastic events to measure the polarization is ongoing, but currently not in agreement with the NMR measurement | ||
| + | ** The elastic event method requires a lot of statistics and the final analysis just uses an average polarization for the entire run. | ||
| + | ** Silvia N. is a contact person for RG-C. Torri will contact her to ask about the status and open a dialog. | ||
| + | |||
| + | * We discussed extracting the NMR signal from the background. This will involve modeling the background as a function of time. | ||
| + | ** James has some files taken as pure background that can help with this purpose. | ||
| − | |||
==== Action Items ==== | ==== Action Items ==== | ||
| − | + | * Send link to proposal to Ken L. (David) | |
| + | * Contact Silvia/RG-C (Torri) | ||
Latest revision as of 19:48, 19 March 2024
The current weekly meeting time is every other Monday at 13:00 US/Eastern
Connection Info:
You can connect using ZOOM Video conferencing (ID: 160 515 9491). (Click "Expand" to the right for details -->):
One tap mobile: US: +16692545252,,1602484178# or +16468287666,,1602484178#
Meeting URL: https://jlab-org.zoomgov.com/j/1605159491?pwd=ZnB0Vkp0SCtYZmRPWG1hRGVnQVprUT09&from=addon
Meeting ID: 160 515 9491
Passcode: 680042
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One tap mobile: US: +16692545252,,1601987443# or +16468287666,,1601987443#
Meeting URL: https://jlab-org.zoomgov.com/j/1605159491?pwd=ZnB0Vkp0SCtYZmRPWG1hRGVnQVprUT09&from=addon
Meeting ID: 160 515 9491
Passcode: 680042
AIOP - Polarized Target
Agenda:
- Previous Meeting
- Announcements
- Project Progress
- Task assignments (FTE Profiles)
- PIER Activities
- Middle School Data Science Hackathon Workshop
- HUGS mini-Workshop
- AOT
Minutes
Attendees: James M., Naomi J., Malachi S., Torri J., Thomas B., Jiawei G.
- Naomi gave brief update on the 5-min lightning talk she gave at the recent Hall-D Polarized Target workshop
- She noted Ken Livingston showed interest in the project. We should send him a link to the proposal.
- Still some access issues with Github Project. Patrick and Jaiwei need to be added to JeffersonLab organization. (David can do that)
- Torri showed some slides on preliminary data logging along with a few plots
- James already had some extensive information in a number of files in JSON format
- We discussed the nature of the NMR data that was collected.
- It involves sweeping through a range of frequencies over a ~3min time period
- Multiple passes are made and the average of the values at each frequency recorded to give an waveform
- James explained some issues with RG-C data from CLAS12 due to coils being outside of the target instead of inside where they would normally put them.
- The external coils make the NMR more sensitive to beam position. The beam itself was rastered so illuminated an area of the cup.
- RG-C analysis of elastic events to measure the polarization is ongoing, but currently not in agreement with the NMR measurement
- The elastic event method requires a lot of statistics and the final analysis just uses an average polarization for the entire run.
- Silvia N. is a contact person for RG-C. Torri will contact her to ask about the status and open a dialog.
- We discussed extracting the NMR signal from the background. This will involve modeling the background as a function of time.
- James has some files taken as pure background that can help with this purpose.
Action Items
- Send link to proposal to Ken L. (David)
- Contact Silvia/RG-C (Torri)