Difference between revisions of "NPS Subsystems"
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* [https://wiki.jlab.org/cuawiki/images/5/5a/NPS_Sweeper_Magnet-parameters.pdf NPS Sweeper Magnet and LCW Parameters] (posted: 06/17/2021) | * [https://wiki.jlab.org/cuawiki/images/5/5a/NPS_Sweeper_Magnet-parameters.pdf NPS Sweeper Magnet and LCW Parameters] (posted: 06/17/2021) | ||
| + | |||
| + | * Magnet Power Supply requirements: | ||
| + | ::* PSU with current greater than 1,100A for some overhead | ||
| + | ::* No need for a polarity switch, either for the run or for testing. Simple enough to mechanically swap the leads if needed for testing | ||
* Assembly (2018-2019) | * Assembly (2018-2019) | ||
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::* [https://wiki.jlab.org/cuawiki/images/e/e6/Crystal-testing-facilities.pdf Testing facilities: CUA, Orsay, Giessen] | ::* [https://wiki.jlab.org/cuawiki/images/e/e6/Crystal-testing-facilities.pdf Testing facilities: CUA, Orsay, Giessen] | ||
::* [http://www.vsl.cua.edu/cua_phy/index.php/MainPage:Nuclear:NPS:PWO:CrystalLOG Characterization results] | ::* [http://www.vsl.cua.edu/cua_phy/index.php/MainPage:Nuclear:NPS:PWO:CrystalLOG Characterization results] | ||
| + | ::* [https://wiki.jlab.org/cuawiki/index.php/Wrapping_procedure Wrapping procedure] | ||
* PMTs and HV dividers | * PMTs and HV dividers | ||
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* [[Cables]] | * [[Cables]] | ||
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| + | * [[Low voltage]] | ||
* [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group] | * [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group] | ||
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::* LED studies - PMT sensitivity (2014) | ::* LED studies - PMT sensitivity (2014) | ||
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| + | * Crystal and PMT serial numbers as currently stacked in the calorimeter: [https://wiki.jlab.org/cuawiki/images/a/a9/02_Crystals_PMT_Mounting_View_BACK.xlsx .xlsx], [https://wiki.jlab.org/cuawiki/images/1/1d/02_Crystals_PMT_Mounting_View_BACK.pdf .pdf] | ||
| + | |||
| + | * [[Media:NPS_Cable_mapping.xlsx|Cable Mapping and Crystal-to-FADC table]] | ||
| + | |||
| + | * [https://wiki.jlab.org/cuawiki/images/e/ea/NPSsurvey.pdf Calorimeter survey notes] | ||
== DAQ and Trigger == | == DAQ and Trigger == | ||
* Initial equipment count and rate estimates (2017) | * Initial equipment count and rate estimates (2017) | ||
| + | |||
| + | * VTP event format description: [https://wiki.jlab.org/cuawiki/index.php/File:NPS_VTP_EventFormat.pdf] | ||
== Controls == | == Controls == | ||
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* [https://wiki.jlab.org/cuawiki/images/4/4c/Pi0_NPS_meeting.pdf Background studies in WACS pi0] | * [https://wiki.jlab.org/cuawiki/images/4/4c/Pi0_NPS_meeting.pdf Background studies in WACS pi0] | ||
| + | |||
| + | * [https://wiki.jlab.org/cuawiki/images/3/3c/Root-geant4-eclipse.pdf Setting Up ROOT (and Geant4) Development Environment on Linux with Eclipse IDE], reach out with questions to [https://wiki.jlab.org/cuawiki/index.php/User:Petrs Petr Stepanov] | ||
== Experiments == | == Experiments == | ||
Latest revision as of 17:31, 16 March 2023
NPS Layout
- NPS detector carriage assembly (2021)
- NPS layout images (2019)
- Initial cabling evaluation (2016)
- Beam pipe considerations (2013)
NPS Magnet
- NPS Sweeper Magnet and LCW Parameters (posted: 06/17/2021)
- Magnet Power Supply requirements:
- PSU with current greater than 1,100A for some overhead
- No need for a polarity switch, either for the run or for testing. Simple enough to mechanically swap the leads if needed for testing
- Assembly (2018-2019)
- Photo 1 (March 2019)
- Construction updates
- March 2017
- Main coil (November 2017)
- Background studies (2016)
- Vertical vs horizontal field
- Effect of field on PMTs
- Shielding concept
- Fringe field considerations (2016)
- Summary impact on HMS optics
- Minimum aperture layout (2016)
- Initial calculations (2015)
Calorimeter
- Frame
- Crystals
- PMTs and HV dividers
- Socket modification for 100 articles (2017)
- Tests with laser, long cable runs, fADC (2017)
- High Voltage cables fabrication and testing
- CAEN HV system testing
- NPS prototype studies
- 3x3 prototype report (2019)
- Updates from test run and calibrations (Spring 2018)
- 12x12 array (NPS prototype/ComCal) - password required
- Initial design concepts LMS and Curing and 3x3 prototype (2013-2014)
- Initial component studies
- Background radiation dose at calorimeter (2016)
- Crystal temperature dependence (2015)
- Irradiation crystals at JLab,Idaho, and Caltech (2014-2015)
- LED studies - PMT sensitivity (2014)
DAQ and Trigger
- Initial equipment count and rate estimates (2017)
- VTP event format description: [1]
Controls
- Control and monitoring screens development
- Interlock system
Data Analysis
Monte Carlo
- NPS Geant4 simulation for Hall C DVCS - GitHub: use DVCS_evt_gen/.
- Setting Up ROOT (and Geant4) Development Environment on Linux with Eclipse IDE, reach out with questions to Petr Stepanov
Experiments
- WACS (E12-14-003, E12-14-005)
- TCS (C12-18-005)