ERAM Meeting

Name: ERAM Meeting
Start: 2023-12-04T11:00:00+01:00
End: 2023-12-04T12:00:00+01:00
Location: No location set

Monday 4 Dec 2023, 11:00 → 12:00 Europe/Zurich

Alain Delbart (Université Paris-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura-Iuliana Munteanu (CERN)

- 11:00 → 11:45
  ERAM status
  
  Conveners: Alain Delbart (Université Paris-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura-Iuliana Munteanu (CERN)
  - 11:00
    
    ERAM production status at Rui's lab 5m
    
    Speakers: Alain Delbart (Université Paris-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura Munteanu (CERN), Laura-Iuliana Munteanu (CERN)
  - 11:05
    
    Mesh pulsing 10m
    
    Speakers: Alain Delbart (Université Paris-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura Munteanu (CERN), Laura-Iuliana Munteanu (CERN)
  - 11:15
    ERAM gluing 5m
    
    Speakers: Alain Delbart (Université Paris-Saclay (FR)), Charlotte Riccio (CEA-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura-Iuliana Munteanu (CERN)
    
    ERAM46 and 47 flued last week
    ERAM-48 is the last one to glue
    fabrication drawings to update and validate in their last version (for future possible use) --> Saclay BE (Fabrizio)
    
    2 stiffeners remaining (at Saclay)
    ask cern metrology for groove
  - 11:20
    ERAM testing 10m
    
    Speakers: Alain Delbart (Université Paris-Saclay (FR)), Charlotte Riccio (CEA-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura Munteanu (CERN), Laura-Iuliana Munteanu (CERN)
    
    ERAM-42 scan
    
    ERAM-46 scan planned this week
    
    remaining : ERAM-47-48 and redo ERAM-39 (was scanned with fec 7,10 same cards as ERAM-40)
  - 11:30
    ERAM AOB 15m
    
    Speakers: Alain Delbart (Université Paris-Saclay (FR)), Charlotte Riccio (CEA-Saclay (FR)), David Henaff (CEA), Guillaume Eurin (CEA/IRFU/DPhP), Laura-Iuliana Munteanu (CERN)
    
    Status of detectors (update/corrected)
    16 ERAMs on bot TPC + ERAM-12 (large RC) and 35 (200 kOhm) as spares (at JPARC)
    
    Global Status of ERAMs production for TOP TPC
    ERAM-07 : pb seen when bot TPC assembly (not short circuit but too much dust and mesh hole ! )
    ~~ERAM-11 : mounted on bot TPC !~~
    ERAM-14 : mounted on second test box in large clean room. to me removed and staored
    ERAM-15 : mounting pb on bot TPC --> checked OK at saclay --> usable. at Saclay
    ERAM-16 : cc repaired
    ERAM-20 : large gain in border
    ERAM-27 : THE "surplisingly good" one from bad batch 25-34
    ERAM-36 small spreading issues
    ERAM-37 small spreading issues
    ERAM-39
    ERAM-40
    ERAM-41
    ERAM-43
    ERAM-44
    ERAM-45
    ERAM-38
    ERAM-42 (to be confirmed after scan this week) glued on new stiffener
    ERAMs considered "last choices" for TOP TPC
    MM1-DLC2 (ERAM-00 in database)
    MM1-DLC1
    ERAM-25 : bad batch, gain gradient : cards reused
    ERAM-33 : bad batch, gain gradient : cards reused
    ERAM-34 : bad batch, gain gradient : cards reused
    
    ERAM-18 : RC/2
    
    first selection of "first choice" ERAMs for TOP TPC : 15 ERAMs + 3 (ERAM-46-48)
    ERAM-14
    ERAM-15 : mounting pb on bot TPC --> checked OK at saclay --> usable
    ERAM-16 : cc repaired
    ERAM-20 : large gain in border
    ERAM-27 : THE "surplisingly good" one from bad batch 25-34
    ERAM-36 small spreading issues
    ERAM-37 small spreading issues
    ERAM-39
    ERAM-40
    ERAM-41
    ERAM-43
    ERAM-44
    ERAM-45
    ERAM-38
    ERAM-42 tsvan to be confirmed, glued on new stiffener)
    remaining ERAMs = 3 ERAMs
    to glue
    ERAM-48
    
    to scan
    ERAM-46-48 with cards 1,5,6,11 and 15 - 76 (from ERAM-33)
    
    ERAM-39 or 40 to rescan with cards 80 and 84 (from ERAM-27) (they both use cards 7,10 !)
    
    Status of FEC cards available at CERN
    remaining to be used
    
    1, 5, 6, 11 (blue cabinet) + reused 15, 76 to scan ERAM-46 47 48
    
    73 the only one to rescan ERAM-39 or 40 which were scanned with cards 7, 10. a c ard is missing to rescan this eram.
    
    missing card : 44
    card 73 alone ? with fec 37 which was damaged and repaired .... originally affected to ERAM-12
    to check : the 4 cards at Tokai which should have been the ones affected to ERAM-15 and 12 (54, 37) and (44, 24)
    BUT 24 and 37 are at bdg 182 ! 44 and 54 are missing. And the 4 FEC cards at JPARC are 14,72, 30, 35 !
    
    link to the FEC database (oct 30 update)
    
    https://docs.google.com/spreadsheets/d/1iRTUKPFwUWPPxpArdMIPp6gJQ4hf5w8jEh1RlN5_dRQ/edit#gid=1720131687
    
    Alain checked all the pieces needed for TOP TPC
    
    short of 2 copper serpentins. 2 "bad" ones were recovered (labelled #1 and #3) ... labelled #2 can not (Didier proposed to built a new one). The 3 were qualified for water leaks

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