Working group 5

Electronics for gaseous detectors

Contacts: D. J. Gaspar Marques, M. Gouzevitch, S. Martoiu, H. Muller

Contact email: DRD1-WG5-convenors@cern.ch

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WG5 Indico category: https://indico.cern.ch/category/16511/

Working Group 5 builds up, and constantly improves detector readout standards, in particular the Scalable Coherent Interface SRS, inherited from the previous RD51 Collaboration and now under the hood of DRD1-WG5, evolving into a new, crate-less, SRSe readout future. Further, WG5 is a forum for innovative ideas and technologies by developers on one side and user experiences on the other. Whilst multichannel readout electronics is strongly depending on the integration of frontend ASICs, designed by larger collaborations, the readout backend, powering, HV generation and, last not least, proper connectivity is crucial to obtain the best signal-over-noise ratio for optimal performance of detectors. Primary detectors supported are Multi-GEM, Micro-Megas, uRWell, MWPC, TPC and Drift chambers, Straw tubes, RPCs, pSEC ,  SiPM and Crystal detectors. New detector structures may evolve and to be matched with appropriate readout technologies. WG5 maintains a detector matrix of properties like signal timing, signal charge, dynamic range and counting rates. The intrinsic signal over-noise ratio is strongly influenced by connectivity, powering, cooling, EMC pickup, and noise introduced by the powering system and, last not least, improper grounding.WG5 is constantly working to improve all these issues in a feedback loop between users and developers  with incremental progress in HW, SW and FW as manifested by team reporting from their test beams, organized by WG7.

WG5 also decided to get involved in the definition and evaluation of new, desirable ASIC features to be integrated in a future, general-purpose ASIC for our detectors. Ideas like how to increase dynamic range and counting rates, passively double the Nr of channels or suppress ion tails  are already on R&D tables whilst now ideas are always very welcome and call for participation by all developers in the collaboration.