Speaker
Description
The cylindrical-RWELL (C-RWELL) is a low material budget (O(1%) X0) cylindrical Inner Tracker based on the µ-RWELL technology. The µ-RWELL is a resistive MPGD composed of two PCBs: a mono-layer PCB acting as the cathode, defining the gas detector gap, and a µ-RWELL_PCB that couples in an unique structure the electron amplification (a well-patterned GEM-like matrix) and the readout stage. The C-RWELL is mainly based on the flexibility of the base material used for the manufacturing of its amplification/readout stage: 50 um thick APICAL foil clad on one side with copper and on the other with few nm of Diamond-Like Carbon (DLC). The readout is also realized on a flexible substrate coupled by a 50 um thick pre-preg layer to the amplification stage. The detector has been built in the framework of the WP5.4 of the European project EURIZON . The detector exhibits also other interesting features: the amplication stage is divided in three independent parts that can be, in case of damages, substituted saving the rest of the detector. Indeed the device can be “opened” to extract the cylindrical anode and complete the operation. These challenging features required huge technological efforts made in collaboration with LOSON S.r.l., a company leader in composite materials manufacturing. First tests have been carried on in the INFN LNF-DDG lab with cosmic-rays muons: a first evaluation of the performance will be shown.
