Difference between revisions of "NPS Subsystems"

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== NPS Layout ==
 
== NPS Layout ==
  
−
* [https://userweb.jlab.org/~medeiros/NPS/PICTURES/ NPS layout images]
+
* NPS detector carriage assembly (2021)
 +
::* [https://wiki.jlab.org/cuawiki/images/d/d8/2021-06-17-10-14-48.jpg Pic 1]
 +
::* [https://wiki.jlab.org/cuawiki/images/1/17/2021-06-17-07-16-55.jpg Pic 2]
 +
::* [https://wiki.jlab.org/cuawiki/images/d/d0/2021-06-17-07-18-04.jpg Pic 3]
  
−
== NPS Magnet ==  
+
* [https://userweb.jlab.org/~medeiros/NPS/PICTURES/ NPS layout images] (2019)
 +
 
 +
* [https://wiki.jlab.org/cuawiki/index.php/Meetings Initial cabling evaluation] (2016)
 +
 
 +
* [http://www.vsl.cua.edu/cua_phy/images/9/97/Pi0_background-beam-pipe.pdf Beam pipe considerations] (2013)
 +
 
 +
== NPS Magnet ==
 +
 
 +
* [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)
 +
::* [https://wiki.jlab.org/cuawiki/images/e/e9/IMG_2273.jpg Photo 1] (March 2019)
 +
 
 +
* Construction updates
 +
::* [https://wiki.jlab.org/cuawiki/images/3/3e/SweepMagnet_March23.pdf March 2017]
 +
::* [https://wiki.jlab.org/cuawiki/images/7/78/20171110_161803.jpg Main coil] (November 2017)
 +
 
 +
* [https://wiki.jlab.org/cuawiki/index.php/Meetings Background studies] (2016)
 +
::* Vertical vs horizontal field
 +
::* Effect of field on PMTs
 +
::* Shielding concept
 +
 
 +
* Fringe field considerations (2016)
 +
::* [https://wiki.jlab.org/cuawiki/images/e/e3/NPS_HMS_optics_fields.pdf Summary] impact on HMS optics
 +
 
 +
* [https://wiki.jlab.org/cuawiki/index.php/Meetings Minimum aperture layout] (2016)
 +
 
 +
* [https://wiki.jlab.org/cuawiki/index.php/Meetings Initial calculations] (2015)
  
 
== Calorimeter ==
 
== Calorimeter ==
  
 
* Frame
 
* Frame
 +
::* [https://wiki.jlab.org/cuawiki/images/c/c4/NPS-optimal-temperature.pdf NPS temperature]
 +
::* [https://wiki.jlab.org/cuawiki/index.php/Temperature_Sensors Temperature sensors]
 +
::* [https://wiki.jlab.org/cuawiki/index.php/Cooling_system Cooling system]
  
−
* [http://www.vsl.cua.edu/cua_phy/index.php/MainPage:Nuclear:NPS:PWO:CrystalLOG Crystals]
+
* Crystals
 +
::* [https://wiki.jlab.org/cuawiki/images/9/9d/PbWO4_crystal_quality_specifications_plus_COM-FCAL.pdf Specifications]
 +
::* [https://wiki.jlab.org/cuawiki/images/0/00/2059-P-T-S.PDF Shape and dimensions]
 +
::* Raw material analysis
 +
::* [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]
 +
::* [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)
 +
::* 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)
 +
 +
* [[Cables]]
 +
 +
* [[Low voltage]]
 +
 +
* [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group]
 +
::* High Voltage cables fabrication and testing
 +
::* CAEN HV system testing
  
 
* NPS prototype studies
 
* NPS prototype studies
−
::* 3x3 array
+
::* 3x3 prototype report (2019)
−
::* [https://halldweb.jlab.org/wiki-private/index.php/CompCal_Construction 12x12 array (NPS prototype/ComCal)]
+
::::* Updates from [https://wiki.jlab.org/cuawiki/images/8/8d/NPS_Meeting_15-03.pdf test run] and [https://wiki.jlab.org/cuawiki/images/0/01/Calibration.pdf calibrations] (Spring 2018)
 +
::* [https://halldweb.jlab.org/wiki-private/index.php/CompCal_Construction 12x12 array (NPS prototype/ComCal)] - password required
 +
::* Initial design concepts [https://wiki.jlab.org/cuawiki/images/4/4d/NPS-Light-Monitoring-System.pdf LMS] and [https://wiki.jlab.org/cuawiki/images/c/c4/NPS-Curing-System.pdf Curing] and [https://wiki.jlab.org/cuawiki/images/3/33/NPS-prototype.pdf 3x3 prototype] (2013-2014)
 +
 
 +
* Initial component studies
 +
::* Background radiation dose at calorimeter (2016)
 +
::* [https://wiki.jlab.org/cuawiki/images/3/31/20151001_MarcoCarmignotto_NPS.pdf Crystal temperature dependence] (2015)
 +
::* Irradiation crystals at [https://wiki.jlab.org/cuawiki/images/9/95/Pbwo-transmission-03april2015.pdf JLab],[https://wiki.jlab.org/cuawiki/images/f/f8/Idaho-test-17feb015_-v4.1.pdf Idaho], and [https://wiki.jlab.org/cuawiki/images/9/93/4EIC_151028_SIC_PWO.pdf Caltech] (2014-2015)
  
−
== DAQ and Trigger ==  
+
::* LED studies - PMT sensitivity (2014)
 +
 
 +
* 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 ==
 +
 
 +
* 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 ==  
 +
 +
* [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group]
 +
::* Control and monitoring screens development
 +
::* 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]
 +
 +
* [[NPS software]]
  
 
== Monte Carlo ==
 
== Monte Carlo ==
 +
 +
* [https://github.com/gboon18/HallC_NPS NPS Geant4 simulation for Hall C DVCS - GitHub]: use DVCS_evt_gen/.
 +
::* [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]
 +
 +
* [https://userweb.jlab.org/~hornt/NPS/amagnet001.tar.gz GEANT4 for background simulation]
 +
 +
* [http://www.vsl.cua.edu/cua_phy/images/a/af/Meeting_Report1.pdf DVCS simulation for proposal rate estimation]
 +
 +
* [http://www.vsl.cua.edu/cua_phy/images/6/60/Wacs_writeup1.pdf WACS simulation for proposal rate estimates]
 +
 +
* [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 ==
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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])
 +
 +
* TCS ([https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=947 C12-18-005])
 +
 +
== NPS Assembly preparations ==
 +
* [[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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