Test beam straw prototype production status Speaker: Konstantin Vorobev (National Research Nuclear University MEPhI), Viktor Kramarenko (M.V. Lomonosov Moscow State University) Petr Teterin (National Research Nuclear University MEPhI) Konstantin Zhukov (P.N. Lebedev Institute of Physics)

Set Up & Read Out Read Out Read Out Read Out ch#1 ch#10 or N ch#2 Layer 10 or N Layer 1 Layer 2 Layer 3 Layer.. d d ≥ 45 mm Read Out ch#1 Read Out ch#2 Read Out ch#10 or N TRD_SAS WS: Test Beam 2017 28th of March Prototype with different count of modules of straw

Gas distribution Flow in Inside module gas flow going parallel to each straw From module to module it is step by step. Gas flow Flow out TRD_SAS WS: Test Beam 2017 28th of March

Electronics boards for amplifiers & connectors Signals Signals Read Out with Amplifiers Signals from straws HV HV to straws TRD_SAS WS: Test Beam 2017 28th of March

How its looks on the basement stand now The prototype construction is based on «lego» principle 1 of 10 modules is ready at the moment Straws with manifolds Ground shielding TRD_SAS WS: Test Beam 2017 28th of March

Module of prototype part only The module has been tested with single-channel readout TRD_SAS WS: Test Beam 2017 28th of March

Components table Mechanical Straws Electronics Components Description Status / Quantity Mechanical Profile support Bosch, 30x30 mm done Ground shielding for electronics & straw Mounting & basement stand double Bosch, 30x30 mm Box for HV BNC & LV Lemo connector - Straws Straws tube TRT, size ~ 100 mm End plug & pins special production size done / for 7 modules Manifolds Electronics Altium design sent to production ReadOut and power connection 1st plate production done / 1 plate Channel electronic checking & Amplifiers HV BNC & LV Lemo BNC & Lemo to Electric tail TRD_SAS WS: Test Beam 2017 28th of March