View source for NPS Subsystems

== 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://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 ==

* 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]

* 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
::* [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
::* 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
::* 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)

::* LED studies - PMT sensitivity (2014)

== DAQ and Trigger ==

* Initial equipment count and rate estimates (2017)

== Controls == 

* [https://www.jlab.org/physics/dsg/technical_documentation/hall_c/NPS Detector Support Group]
::* Control and monitoring screens development
::* Interlock system

== Data Analysis ==

* [https://hallaweb.jlab.org/experiment/DVCS/ DVCS experiments analysis]
::* [https://hallaweb.jlab.org/dvcslog/12+GeV/ elog]

* [https://hallcweb.jlab.org/wiki/index.php/SIDIS#Weekly_Meetings Hall C SIDIS Analysis Wiki]

* [https://hallaweb.jlab.org/physics/experiments/RCS/public/ WACS 6 GeV analysis]

* [[NPS software]]

== 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://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 ==

* [https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=797 DVCS/pi0 (E12-13-010)]

* [https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=788 SIDIS pi0 (E12-13-007)]

* 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]]