Difference between revisions of "NPS Subsystems"

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== NPS Layout ==
 
== NPS Layout ==
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* NPS detector carriage assembly (2021)
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::* [https://wiki.jlab.org/cuawiki/images/d/d8/2021-06-17-10-14-48.jpg Pic 1]
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::* [https://wiki.jlab.org/cuawiki/images/1/17/2021-06-17-07-16-55.jpg Pic 2]
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::* [https://wiki.jlab.org/cuawiki/images/d/d0/2021-06-17-07-18-04.jpg Pic 3]
  
 
* [https://userweb.jlab.org/~medeiros/NPS/PICTURES/ NPS layout images] (2019)
 
* [https://userweb.jlab.org/~medeiros/NPS/PICTURES/ NPS layout images] (2019)
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== NPS Magnet ==
 
== NPS Magnet ==
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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)
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* Magnet Power Supply requirements:
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::* PSU with current greater than 1,100A for some overhead
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::* 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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* Frame
 
* Frame
 
::* [https://wiki.jlab.org/cuawiki/images/c/c4/NPS-optimal-temperature.pdf NPS temperature]
 
::* [https://wiki.jlab.org/cuawiki/images/c/c4/NPS-optimal-temperature.pdf NPS temperature]
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::* [https://wiki.jlab.org/cuawiki/index.php/Temperature_Sensors Temperature sensors]
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::* [https://wiki.jlab.org/cuawiki/index.php/Cooling_system Cooling system]
  
 
* Crystals
 
* Crystals
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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]
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::* [https://wiki.jlab.org/cuawiki/index.php/Wrapping_procedure Wrapping procedure]
  
 
* PMTs and HV dividers
 
* PMTs and HV dividers
 
::* [http://www.vsl.cua.edu/cua_phy/images/b/bf/Nps-meeting-05oct2017.pdf Socket modification] for 100 articles (2017)
 
::* [http://www.vsl.cua.edu/cua_phy/images/b/bf/Nps-meeting-05oct2017.pdf Socket modification] for 100 articles (2017)
 
::* Tests with [https://wiki.jlab.org/cuawiki/images/5/51/Fernando-March2017-HVdivider-Tests.pdf laser], [https://wiki.jlab.org/cuawiki/images/9/96/Fernando-NPS-divider-Long-Cable-test-apr2017.pdf long cable runs], [https://wiki.jlab.org/cuawiki/images/a/a8/Fernando-NPS-divider-laser-test-april2017.pdf fADC] (2017)
 
::* Tests with [https://wiki.jlab.org/cuawiki/images/5/51/Fernando-March2017-HVdivider-Tests.pdf laser], [https://wiki.jlab.org/cuawiki/images/9/96/Fernando-NPS-divider-Long-Cable-test-apr2017.pdf long cable runs], [https://wiki.jlab.org/cuawiki/images/a/a8/Fernando-NPS-divider-laser-test-april2017.pdf fADC] (2017)
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* [[Cables]]
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* [[Low voltage]]
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* [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group]
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::* High Voltage cables fabrication and testing
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::* CAEN HV system testing
  
 
* NPS prototype studies
 
* NPS prototype studies
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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]
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* [[Media:NPS_Cable_mapping.xlsx|Cable Mapping and Crystal-to-FADC table]]
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* [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)
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* VTP event format description: [https://wiki.jlab.org/cuawiki/index.php/File:NPS_VTP_EventFormat.pdf]
  
 
== Controls ==  
 
== Controls ==  
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* [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group]
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::* Control and monitoring screens development
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::* Interlock system
  
 
== Data Analysis ==
 
== Data Analysis ==
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* [https://hallaweb.jlab.org/physics/experiments/RCS/public/ WACS 6 GeV analysis]
 
* [https://hallaweb.jlab.org/physics/experiments/RCS/public/ WACS 6 GeV analysis]
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* [[NPS software]]
  
 
== Monte Carlo ==
 
== Monte Carlo ==
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* [https://github.com/gboon18/HallC_NPS NPS Geant4 simulation for Hall C DVCS - GitHub]: use DVCS_evt_gen/.
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::* [https://wiki.jlab.org/cuawiki/images/f/fa/User_Guide.pdf A very short User Guide].
  
 
* [https://github.com/gboon18/HallC_NPS NPS calorimeter simulation]
 
* [https://github.com/gboon18/HallC_NPS NPS calorimeter simulation]
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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]
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* [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 ==
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* WACS ([https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=836 E12-14-003], [https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=825 E12-14-005])
 
* WACS ([https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=836 E12-14-003], [https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=825 E12-14-005])
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* TCS ([https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=947 C12-18-005])
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== NPS Assembly preparations ==
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* [[NPS reflector (ESR) preshaping procedure]]

Latest revision as of 16:31, 16 March 2023

NPS Layout

  • NPS detector carriage assembly (2021)

NPS Magnet

  • 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)
  • Construction updates
  • Vertical vs horizontal field
  • Effect of field on PMTs
  • Shielding concept
  • Fringe field considerations (2016)

Calorimeter

  • Frame
  • Crystals
  • PMTs and HV dividers
  • High Voltage cables fabrication and testing
  • CAEN HV system testing
  • NPS prototype studies
  • 3x3 prototype report (2019)
  • Initial component studies
  • LED studies - PMT sensitivity (2014)
  • Crystal and PMT serial numbers as currently stacked in the calorimeter: .xlsx, .pdf

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

Experiments

NPS Assembly preparations

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