Münster 2017 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 18: HK+T Joint Session IV: Pixel Detectors
HK 18.1: Vortrag
Dienstag, 28. März 2017, 11:00–11:15, F 073
MuPix8 - a large HV-MAPS prototype — •Heiko Augustin for the Mu3e collaboration — Physikalisches Institut, Universität Heidelberg
The Mu3e experiment is dedicated to the search for the lepton flavour violating decay µ+ → e+e−e+ with an unprecedented sensitivity of one in 1016 decays. In the Standard Model this decay is suppressed to a branching ratio below 10−54. Thus, any observation of a signal is a clear sign for New Physics. To reach the sensitivity goal a pixel tracker with low material budget and high rate capability is required. The technology of choice are High Voltage Monolithic Active Pixel Sensors (HV-MAPS) produced in an AMS 180 nm HV-CMOS process.
The MuPix7 prototype showed the tremendous possibilities of this technology to build fast, monolithic pixel sensors of 50 µ m thickness.
In this talk the architecture of the first large 2× 1 cm2 prototype MuPix8 is presented. It houses three 1.25 Gbit/s data links and tests circuits for timewalk suppression, aiming to improve the time resolution below 10 ns.
Further the road map for the characterisation and future R&D towards the final pixel sensor for the Mu3e pixel tracker is depicted.