Performance of a GridPix detector based on the Timepix3 chip

Abstract

A GridPix readout for a TPC based on the Timepix3 chip is developed for future applications at a linear collider. The GridPix detector consists of a gaseous drift volume read out by a single Timepix3 chip with an integrated amplification grid. Its performance is studied in a test beam with 2.5 GeV electrons. The GridPix detector detects single ionization electrons with high efficiency. The Timepix3 chip allowed for high sample rates and time walk corrections. Diffusion is found to be the dominating error on the track position measurement both in the pixel plane and in the drift direction, and systematic distortions in the pixel plane are below 10 $\mu$m. Using a truncated sum, an energy loss (dE/dx) resolution of 4.1% is found for an effective track length of 1 m.

arXiv commentTo be published in Nuclear Instruments and Methods in Physics Research Section A

References in corpus (1)

• The detection of single electrons by means of a Micromegas-covered MediPix2 pixel CMOS readout circuit

Cited by in corpus (8)

• Performance of the GridPix detector quad
• Measurement of the electron transmission rate of the gating foil for the TPC of the ILC experiment
• Double-hit separation and dE/dx resolution of a time projection chamber with GEM readout
• Performance of TPC detector prototype integrated with UV laser tracks for the circular collider
• TPC development by the LCTPC collaboration for the ILD detector at ILC
• Development of Fe${}_2$O${}_3$/YSZ ceramic plates for cryogenic operation of resistive-protected gaseous detectors
• A novel technique for the measurement of the avalanche fluctuations of a GEM stack using a gating foil
• Performance of a GridPix TPC readout based on the Timepix3 chip