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2nd General VTX workshop

→ Europe/Berlin
Building 1B, Seminar room 4a/b (DESY)

Building 1B, Seminar room 4a/b

DESY

Notkestraße 85 D-22607 Hamburg
Ami Rostomyan (BELLE (BELLE II Experiment)), Jerome Baudot (IPHC-Strasbourg)
Description

This 2nd general VTX workshop will mostly focus on mechanical lintegration aspects. But all other VTX activities should also be discussed to some extent.

The workshop will be held in:

  • Monday & Tuesday: building 1B, 2nd floor, Seminar room 4A/b,
  • Wednesday: building 5, auditorium

Remote participation is possible, use https://speakapp.link/to/I1Wn8A.
Eduroam and DESY-guest networks are available.

Starting and ending times should allow participants to travel on Monday morning and Wednesday afternoon.

Timetable is in preparation and current status is PRELIMINARY.

Fees will cover:

  • coffee breaks and social dinner: 60 EUR
  • coffee breaks only: 30 EUR

 

Social dinner on Monday 20th April at 7 PM at Hoppe's Restaurant on the Elbe bank: Övelgönne 6, 22605 Hamburg. Fish, meat and veggie options will be available. The dinner includes a main dish and one soft drink/beer.

Registration are now closed, contact us in case of issue.

desy-map VTX2026.pdf
to-VTX-dinner.png
Participants
35 View full list
  • Monday 20 April
    • 13:30 → 14:00
      Registration 30m Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
    • 14:00 → 15:30
      Introduction Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
      Convener: Jerome Baudot (IPHC-Strasbourg)
    • 15:30 → 16:00
      Coffee break 30m Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
    • 16:00 → 18:00
      oVTX Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
      • 16:00
        oVTX Design Status 40m

        (30' talk + 10' discussion)
        Items:
        - oVTX layout: L4,5,6 ladder design, fixing to the cones with sliding mechanism;
        - Mechanical characterisation of the new L6 prototypes. How to cope with starting deformation: thermal cycles by INFN-Pi and cold-glueing by the company;
        - thermal-fluid-dynamic bench with not-uniform heathers for 1-pipe cold plate and thermal simulations;
        - oVTX cooling needs (Alice experience on the cooling plant: no water-leak sensor!).

        Speaker: Maurizio Massa (BELLE (BELLE II Experiment))
        2026_04_21 2nd VTX Workshop DESY.pptx
      • 16:40
        Status of the Design of the 4-chip Cu Dummy flex 30m

        (20' talk + 10' discussion)
        Items covered:
        -Design/order status, estimated delivery time
        -Implementation of temperature sensors' reading
        -Plan for the test in Vienna: chip emulation by FPGA

        Speaker: Massimo Minuti (BELLE (BELLE II Experiment))
        Dummy_Flex_Design_20262004.pdf
      • 17:10
        oVTX Module/Ladder assembly 40m

        (20' Talk + 20' discussion)
        Items covered:
        - Specifications & QA;
        - modules (i.e. electrical unit) assembly;
        - ladders (mechanical unit) assembly;
        - Tools (chuck/jigs), prototype's parts procurements and assembly procedures development;
        - Construction sites / schedule.

        Speaker: Stefano Bettarini (BELLE (BELLE II Experiment))
        jb-ideas-module-assembly-20260420.pdf
        oVTX_20260420_vs5.pdf
    • 19:00 → 21:30
      Social dinner 2h 30m Hoppe's Restaurant

      Hoppe's Restaurant

      Övelgönne 6, 22605 Hamburg https://maps.app.goo.gl/k9JGoyEcDycLUMAL6
  • Tuesday 21 April
    • 08:30 → 10:30
      WG4 - iVTX Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
      • 08:30
        Plans towards iVTX ladder prototypes with TPG 15m

        (10' talk + 5' discussion)
        Items:
        - Parts (TPG, Si, parylene, ...) procurement;
        - Prototype assembly procedures;
        - Thermal test plans and expectations from simulations.

        Speaker: Julien Bonis (BELLE (BELLE II Experiment))
        Towards_iVTX_TPG_prototype.pdf
      • 08:45
        Result of dicing samples at the iVTX dimension 5m
        Speaker: Mr Mathieu Goffe (DESY (Deutsches Elektronen Synchrotron))
        2026_04_21 100 um dummy samples for iVTX.pdf
      • 08:50
        iVTX developments at QMUL 40m

        (20' talk + 5' discussion)
        Progress on the sliding mechanism and overall iVTX mechanical support
        Conductivity measurement
        Fallabck cooling option

        Speakers: Adrian Bevan (BELLE (BELLE II Experiment)), Dr Ali Awais (BELLE (BELLE II Experiment)), Dhyey Ketan Joshi (QMU London), Dominic Howgill (BELLE (BELLE II Experiment))
        2026_04_21 QMUL iVTX Discussion.pdf
    • 10:30 → 11:00
      Coffee break 30m Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
    • 11:00 → 12:00
      WG4 - iVTX Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
      • 11:00
        Thermal conductivity of irradiated TPG 25m

        (20' talk + 5' discussion)

        Speaker: Franz matejcek (U. Frankfurt)
        26-04-21_TPG_Irradiation_FMatejcek.pdf
      • 11:25
        RDL: electrical measurements on IZM structures and prototype 25m

        (20' talk + 5' discussion)
        Items:
        - eye diagrams of the IZM test structures;
        - from IZM: proposal to manufacture the ladders;
        - iVTX flex circuit (from ladder to the lpGBT/VTRx+ board).

        Speaker: Mr Andreas Ulm (BELLE (BELLE II Experiment))
        ulm_rdl.pdf
    • 12:00 → 13:00
      Lunch 1h Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
    • 13:00 → 14:35
      I.R. Integration Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
      • 13:00
        LS2 IR mechanics activity status and plan 40m

        (30' talk + 10' discussion)

        Speaker: Shuji Tanaka (BELLE (BELLE II Experiment))
        LS2IRintegration20260421.pdf
      • 13:40
        oVTX services and rings' shape 10m

        (5' talk + 5' discussion)

        Speaker: Margherita Rovini (BELLE (BELLE II Experiment))
        VTX Workshop_oVTX_Manifolds_and_cabling_summary_21_04_26.pdf
      • 13:50
        oVTX Ladder mount concept "a la SVD" (compliant with the sliding mechanism) 10m

        (5' Talk + 5' discussion)

        Speaker: Maurizio Massa (BELLE (BELLE II Experiment))
      • 14:00
        Discussion also with STL 35m
    • 14:35 → 16:15
      WG4 - Discussion with PXD + Potential visit Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
    • 16:15 → 16:45
      Coffee break 30m Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
    • 16:45 → 18:25
      WG1 - Performance Building 1B, Seminar room 4a/b

      Building 1B, Seminar room 4a/b

      DESY

      Notkestraße 85 D-22607 Hamburg
      • 16:45
        Status and plan for VTX simulations & performance 20m
        Speaker: Vidya Sagar Vobbilisetti (CPPM France)
        2026-04-21.pdf
      • 17:05
        Status of Upgrade performance studies 20m
        Speaker: Alessandro Gaz (University of Padova & INFN)
        VTX_workshop_ale_0421.pdf
      • 17:25
        Discussion on on-going or next tasks 30m
      • 17:55
        Discussion with STL 30m
  • Wednesday 22 April
    • 08:00 → 09:50
      WG5 - system / WG6 - telescope Building 1b,Seminar room 3

      Building 1b,Seminar room 3

      DESY
    • 09:50 → 10:20
      Coffee break 30m Building 5

      Building 5

      DESY
    • 10:20 → 11:20
      TDR preparation Building 1b, Seminar room 3

      Building 1b, Seminar room 3

      DESY
    • 11:20 → 12:00
      OPEN Steering group meeting Building 1b, Seminar room 3

      Building 1b, Seminar room 3

      DESY
      • 11:20
        Points to be discussed & discussion 40m
        • new chat
        • database for VTX parts
        • documentation
        • groups in Gitlab
        • next workshop

        Requests to institutes for
        - Upgrade Group
        - Project-level information?needed for TDR

        Speaker: Jerome Baudot (IPHC-Strasbourg)
        tdr-discussion-20251215.pdf
    • 12:00 → 12:30
      Closing Building 1b, Seminar room 3

      Building 1b, Seminar room 3

      DESY
      Convener: Jerome Baudot (IPHC-Strasbourg)
      closure-vtx-20260422.pdf
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