CPP Test 2020 - Schedule

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Nominal GlueX configuration

  • No Pb shielding
  • DIRC installed
  • Solenoid field at 1350 A
  • Radiator Diamond JD70-105 47 um, Peak at 8.6 GeV

CPP Test Configuration

  • With and without Pb shielding
  • DIRC removed
  • Solenoid field at 1350 A (no change)
  • Radiator Diamond JD70-105 47 um, Peak at 6 GeV
Screenshots of test layout media:CPP_Testconfig.jpg  media:CPP_Testconfig2.jpg
media:CPP_Testconfig3.jpg  media:CPP_Testconfig4.jpg 
media:CPP_Testconfig5.jpg  media:CPP_Testconfig6.jpg

CPP Preliminary baseline measurements. These will be conducted by Ilya during Fri Aug 28 4am-10am shift.

  1. CPP test DAQ setup: 2 hrs
  2. Set coherent peak to 6 GeV
  3. Data GlueX configuration - Full Target/DIRC (repeat from Dec 2019): 2 hrs
  4. Empty target : 1 hr
  5. Data GlueX configuration - Empty Target/DIRC : 1 hr
  6. Restore coherent peak to 8.6 GeV

Pass change for Hall A/C Day Mon Aug 31

  1. Configure experiment for CPP Test: 12 hr. Mark Stevens and staff.
  2. Training for Pb sheet install/removal?

CPP Test. Mon evening Aug 31 - Tue morning Sep 1

  1. Fill Target :
  2. Install 1 Pb sheet: 1 hr
  3. Data CPP Test configuration- Full Target/no DIRC/1Pb : 1 hr
  4. Install 0 Pb sheet: 1 hr
  5. Data CPP Test Configuration - Full Target/no DIRC/ 0Pb : 1 hr
  6. Install 2 Pb sheets: 1 hr
  7. Data CPP Test Configuration - Full Target/no DIRC/2Pb : 1 hr
  8. Empty Target :
  9. Install 1 Pb sheet: 1 hr
  10. Data CPP Test configuration- Empty Target/no DIRC/1Pb : 1 hr
  11. Install 0 Pb sheet: 1 hr
  12. Data CPP Test Configuration - Empty Target/no DIRC/0Pb : 1 hr
  13. Install 2 Pb sheets: 1 hr
  14. Data CPP Test Configuration - Empty Target/no DIRC/2Pb : 1 hr

Restore GlueX configuration and prepare for GEM-TRD Test. Tue day Sep 1

  1. Fill Target
  2. Restore nominal GlueX configuration: 4 hours.

Total time = 34 hours

Required personnel:

  • Will 2 persons to install/remove Pb Sheets
  • Mark Dalton has volunteered to come in on Monday evening if a third person is required to monitor the target.
Tentative Shift Schedule
Date Shift Worker CPP
Mon Aug 31 4 pm - 10 pm T. Britton D. Lawrence
Mon Aug 31 10 pm - 4 am S. Furletov I. Larin
Tue Sep 01 4 am - 10 am M. Khachatryan E. Smith

Additional notes:

  • The DIRC will have to be surveyed following the test.