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T: Fachverband Teilchenphysik
T 72: Halbleiterdetektoren IV (MAPS, CMOS)
T 72.1: Group Report
Wednesday, March 2, 2016, 16:45–17:05, VMP8 HS
A pixel tracker in HV-MAPS technology for the Mu3e experiment — •Heiko Augustin for the Mu3e collaboration — Physikalisches Institut Heidelberg
The Mu3e experiment is dedicated to search for the lepton flavour violating decay µ+ → e+e−e+ with an uprecedented 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 would be a clear sign for new physics.
The detector consists of a pixel tracker built from 50 µ m thin High Voltage Monolithic Active Pixel Sensors (HV-MAPS), providing a very good vertex and momentum resolution of the decay electrons, and scintillating fibre and tile detectors for precise timing information.
In this talk, first characterisation results of the latest HV-MAPS prototype MuPix7 with a 1.25 Gbit/s serial data link are presented and an overview of the developments and the path to the pixel tracker is given.