Minutes of the forward endcap EMC Vibe/eZuce meeting, 9th of September 2019, 14:00-14:50


  • Basel: -
  • Bochum: Claudius, Miriam Matthias, Thorsten, Tom
  • Bonn: Christoph, Ulrike
  • Groningen: -
  • Stockholm: -
  • Uppsala:
  • Giessen: -
  • GSI: -


  • An early communication (email) revealed that indeed the introduction of capsules in the VPTT submodules enlarged the modules by 2 mm in length. This was accounted for by reducing the interface pieces heights by 2 mm each - this is the way the existing interface pieces have been produced
  • Anyway, Bochum people are asked to measure the free length between backplane and front cooling on the existing hardware in order to recheck numbers


  • With a gain/voltage dependence of the APDs of 8 %/V Christoph suggested to have a granulation of the regulation volume of about 15 V in 0,05 V steps (256 steps)
  • As the preparation of "Highlights der Physik" still consumes most of the available working time of the Bonn colleagues the noise measurements on the two differently built APD submodules (different LED cable routing) is not yet finished and foressen to be done the week after

-- ThomasHeld - 18 Sep 2019
Topic revision: r2 - 2019-10-30, ThomasHeld
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