Minutes of the forward endcap EMC eZuce SRN meeting, 12th of Febuary 2018, 14:00-14:45


  • Basel: -
  • Bochum: Cathrina, Malte, Matthias, Miriam, Tobias T., Tom
  • Bonn: excused
  • Groningen: Myroslav
  • Stockholm: -
  • Uppsala: -
  • Giessen: Hans, Markus
  • GSI: -

SADC Crates:

  • Myroslav presented the most recent idea of placing the power supplys: The idea is to use two supplies both close to the cooling side flanges of each side of the crates
  • This gurantees sufficient cooling and prevents from the need of massive copper bars for power distribution
  • The available space should be sufficient - even though the detailed power supply design is not yet finished the most space consuming parts (the air coils) should fit to available space
  • The new placement, however, calls for a modified cooling design

DAQ Test Run in Poland:

  • Myroslav reported about the test run: A 90 crystal EMC prototype was read out in conjunction with a straw tube tracker prototype
  • Test runs wer done with light pulser injection as well as cosmics
  • Commom readout of correlated straw tubes and emc data
  • The straw tube device is currently optimized, a second beamtime will be done in some weeks

Annealing LED irradiation:

  • The annealing LED type designated for the use in the APD submodules (different from the type used in the vptt submodules - smalles size!) has passed the test irradiation at Stahlenzentrum Giessen with a total dose of 100 Gy without any hint of deterioration

- ThomasHeld - 12 Feb 2018
Topic revision: r1 - 2018-02-12, ThomasHeld
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