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arXiv · 1810.12695

Towards new Front-End Electronics for the HADES Drift Chamber System

Michael Wiebusch·Christian Müntz·Christian Wendisch·Jerzy Pietraszko·Jan Michel·Joachim Stroth
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Abstract

Operating HADES at the future FAIR SIS-100 accelerator challenges the rate capability of DAQ and electronics. A new, more robust version of front-end electronics needs to be built for the HADES drift chamber system. Due to the unavailability of the previously used ASD-8 analog read-out ASIC, PASTTREC (PANDA straw tube read-out ASIC) was tested as an ASD-8 replacement in different scenarios including a beam test. PASTTREC falls 20% short of the ASD-8 time precision but performs better w.r.t. signal charge measurements and overall operation stability. The measured time precision as a function of distance to the sense wire was modeled within a 3D GARFIELD simulation of the HADES drift cell.

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Michael Wiebusch, Christian Müntz, Christian Wendisch, Jerzy Pietraszko, Jan Michel, Joachim Stroth. 2018-10-30. Towards new Front-End Electronics for the HADES Drift Chamber System. https://doi.org/10.1016/j.nima.2018.11.057

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