Difference between revisions of "NPS Subsystems"

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== NPS Layout ==
 
== NPS Layout ==
 +
 +
* 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]
  
 
* [https://userweb.jlab.org/~medeiros/NPS/PICTURES/ NPS layout images] (2019)
 
* [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)
 
* [http://www.vsl.cua.edu/cua_phy/images/9/97/Pi0_background-beam-pipe.pdf Beam pipe considerations] (2013)
  
== NPS Magnet ==  
+
== 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 ==
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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]
 +
::* [https://wiki.jlab.org/cuawiki/index.php/Temperature_Sensors Temperature sensors]
 +
::* [https://wiki.jlab.org/cuawiki/index.php/Cooling_system Cooling system]
  
 
* Crystals
 
* Crystals
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* 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]]
 +
 +
* [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
 
::* 3x3 prototype report (2019)
 
::* 3x3 prototype report (2019)
 +
::::* 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
 
::* [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 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
 
* 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)
 +
 
::* LED studies - PMT sensitivity (2014)
 
::* LED studies - PMT sensitivity (2014)
::* Irradiation crystals at [https://wiki.jlab.org/cuawiki/images/9/95/Pbwo-transmission-03april2015.pdf JLab] and [https://wiki.jlab.org/cuawiki/images/f/f8/Idaho-test-17feb015_-v4.1.pdf Idaho] (2014-2015)
 
  
== DAQ and Trigger ==  
+
== DAQ and Trigger ==
 +
 
 +
* Initial equipment count and rate estimates (2017)
  
 
== 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 ==
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 +
* [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/a/af/Meeting_Report1.pdf DVCS simulation for proposal rate estimation]
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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 13:30, 17 June 2021

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)

DAQ and Trigger

  • Initial equipment count and rate estimates (2017)

Controls

  • Control and monitoring screens development
  • Interlock system

Data Analysis

Monte Carlo

Experiments

NPS Assembly preparations