Run Planning Meeting Notes, Feb 06-Feb 12, 2020

Friday, February 7

1. Last 24 hours
   • Production runs @350nA until 14:00
   • Hovanes worked on diamond position for JD70-105 0/90 (see reports)
   • Continued data taking until 18:15
   • Connection issues with rocDIRC -> Bill, Sergey and network expert on call had to work until late night to fix the problem
   • Accelerator crew was having network issues too
   • Hall went into beam permit around 1:15am
   • Accelerator crew having trouble with control system (see issues)
2. Issues
   • DIRC cart leaking (see: [1])
   • Problems with 1L12 and 2L24 (see: [2])
   • Accelerator site having problems with IOCs in alarm handler (see: [3])
3. Reports
   • New diamond position for JD70-105 0/90 (see: [4],[5])
   • Communication problems with rocDIRC (see: [6],[7],[8])
   • Network problems on accelerator site (see: [9],[10])
4. Plans for today
   • Production runs
   • Access to hall ?
5. Plan(s) for next week
   • Monday: Hall A will change setup for pol. meas. -> No beam from ~ 8:00 on

Thursday, February 6

1. Last 24 hours
   • Beam was sent to hall at 19:51
   • Harp scans (see reports for details)
   • Production runs @ 350nA
   • Collected 1.8B events
2. Issues
   • DIRC temperature alarm (resolved, see: [11])
   • Swing shift reported coherent peak for JD70-105 0/90 PARA to be unusually wide -> No such observations for other settings
3. Reports
   • Harp scan results: acc: 5C11,acc: 5C11B, Hall D: TAGH
   • Test of DIRC communication algorithm (see: [12])
   • Missing optical links in DIRC (see: [13])
4. Plans for today
   • Production runs