NPS Subsystems

NPS Layout

• NPS layout images (2019)

• Initial cabling evaluation (2016)

• Beam pipe considerations (2013)

NPS Magnet

• Initial calculations (2015)

• Fringe field considerations (2016)

• Minimum aperture layout (2016)

• Background studies (2016)

• Vertical vs horizontal field
• Effect of field on PMTs
• Shielding concept

• Construction updates

• March 2017
• Main coil (November 2017)

• Assembly (2018-2019)

• [ https://wiki.jlab.org/cuawiki/images/e/e9/IMG_2273.jpg Photo 1] (March 2019)

Calorimeter

• Frame

• NPS temperature

• Crystals

• Specifications
• Shape and dimensions
• Raw material analysis
• Testing facilities: CUA, Orsay, Giessen
• Characterization results

• PMTs and HV dividers

• Socket modification for 100 articles (2017)
• Tests with laser, long cable runs, fADC (2017)

• 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

• LED studies - PMT sensitivity (2014)
• Irradiation crystals at JLab,Idaho, and Caltech (2014-2015)
• Crystal temperature dependence (2015)
• Background radiation dose at calorimeter (2016)

DAQ and Trigger

• Initial equipment count and rate estimates (2017)

Data Analysis

• DVCS experiments analysis

• elog

• Hall C SIDIS Analysis Wiki

• WACS 6 GeV analysis

Monte Carlo

• NPS calorimeter simulation

• GEANT4 for background simulation

• DVCS simulation for proposal rate estimation

• WACS simulation for proposal rate estimates

• Background studies in WACS pi0

Experiments

• DVCS/pi0 (E12-13-010)

• SIDIS pi0 (E12-13-007)

• WACS (E12-14-003, E12-14-005)