Commissioning and running of sPHENIX

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

Minutes shift change 2023-04-22

evening:  Cameron

- quiet shift, some subsystem people working

night:  Charles

- even less exciting

- no alarms

day:  Sean

- quiet

- Kevin wired in EMCal flow switch

- still needs to be tied into interlock and tested

- John H and John K in

- exercised EMCal SiPM cooling

MBD (Mickey)

- looked into why we weren’t seeing the laser

  - no clock out of the clockmaster

  - needs to be fixed

HCal (Hanpu)

- working on setup script for cosmics running with Silas

- kept LV and bias off

EMCal (Sean/John)

- exercising cooling

- flow switch fixed

- bias up for the first time! (except for one interface board

  - took LED data for the first time! 

- logging EMCal bias into db1 daq database

  - not able to read back out

  - not able to connect root to it

  —> talk to Chris

TPOT (John K)

- no work

TPC (John K)

- finished setting up second pulser

- found from testing that one of the spark cables is disconnected

  - can’t reach in to reconnect -> follow up on Monday

INTT (no report)

MVTX (Cameron)

- yesterday worked on interlock and sense cables for bias

  - RG45 connectors, can’t lock, intermittent signals,  bias interlocked

    - ordered RG45 barrels, arrived today, will work on fixing this in time for Monday

- work on cooling system

  - bypass to flush out air

  - loose connection on replacement chiller air line

sEPD (no report)

DAQ (Martin)

- daq01 disk replacement upcoming

- solution for full remote control rcdaq (see slides on indico)

- same for GTM interaction  (see slides on indico)

Magnet (no report)

Gas/cooling water (no report)

Plan of the day

- DAQ development

- subsystem testing

- 

---------------------------------------------------------------------------------
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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