Commissioning and running of sPHENIX

[Stefan Bathe <stefan.bathe AT baruch.cuny.edu>]

Minutes shift change 2023-04-14

General:

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- shield wall is in

- EMCal North preamp cooling enabled

evening:  Oliver

- MVTX chiller alarm

- Cameron instructed to turn off chiller

night:  Ejiro

- incident free

day:  Virginia

- exit sign smoking, disconnected

MBD (Mickey)

- LOTOed out of HV rack

- lock cut

- electrician still need to work -> tomorrow

- will check out detector -> Sunday

HCal (Virginia)

- started taking cosmics

- ironing out issues in procedure

- should hand over to shifters in an hour

EMCal (Sean)

- still working on mapping out detector

- tested interlocks for cooling water for preamps

  - one bad flow switch that needs to be changed

  - will leave 3/4 of North on

  - shift crew should monitor EMCal LV, temperature, flow

TPOT

- no report

TPC (Takao)

- LV was off, not much happened

- Jin has been checking connection of fibers to rack electronics properly connected except for one, good progress

INTT (Rachid)

- all cooling

- working on commissioning on North

MVTX (Cameron)

- all three cooling lines now working

- when setting up for system test found that fiber connections were wrong

- working on fixing that

sEPD (Rosi)

- both N and S frames in

- part of optical fibers there, soon to be mounted

DAQ (Martin)

- seems to be working ok

- couple little hick ups

  - first event wrong

  - ghost ADC board

- slow control machine set up in rack room for direct control in addition to opc

- can read out multiple DCMs from single controller

Magnet (Kin)
- still problem with hipot test

Gas/cooling water (Rob)

- ECW flow rebalanced, bypasses off

- EMCal preamp cooling North on (3/4) (see above)

Plan of the day

- Shift crew monitor EMCal preamp cooling

- 

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Stefan Bathe

Professor of Physics
Baruch College, CUNY
and RIKEN Visiting Scientist

Baruch:                                     BNL:
17 Lexington Ave                      Bldg. 510
office 940                                  office 2-229
phone 646-660-6272                phone 631-344-8490
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