Efficiency and timing performance of the MuPix7 high-voltage monolithic active pixel sensor

TL;DR

The MuPix7 high-voltage monolithic active pixel sensor demonstrates high efficiency and good timing resolution, with detailed experimental and simulation studies validating its performance for particle detection applications.

Contribution

This paper presents the design, testing, and simulation validation of the MuPix7 sensor, showcasing its high efficiency and timing capabilities.

Findings

Efficiency of 99.3% achieved

Time resolution of 14 ns demonstrated

Performance validated through experiments and simulations

Abstract

The MuPix7 is a prototype high voltage monolithic active pixel sensor with 103 times 80 um2 pixels thinned to 64 um and incorporating the complete read-out circuitry including a 1.25 Gbit/s differential data link. Using data taken at the DESY electron test beam, we demonstrate an efficiency of 99.3% and a time resolution of 14 ns. The efficiency and time resolution are studied with sub-pixel resolution and reproduced in simulations.