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October 8, 2025Open Access

The Timepix4 Beam Telescope

Key Points

Pointing resolution achieved is 2.3 ± 0.1 µm in x, and 2.4 ± 0.1 µm in y directions, demonstrating exceptional accuracy.
The temporal resolution using Timepix4 timestamps is determined to be 92 ± 5 ps, indicating precise timing for particles.
Detailed assessment includes data acquisition systems and software corrections enhancing raw measurement accuracy.
This telescope system presents advancements crucial for experiments at CERN SPS using high-energy hadron beams.

Abstract

The spatial and temporal performance of a telescope system comprising planar silicon sensors bump-bonded to Timepix4-v2 ASICs are assessed at the CERN SPS using a 180~GeV/c mixed hadron beam. The pointing resolution at the centre of the telescope is 2. 3 0. 1\; m and 2. 4 0. 1 m in x and y directions, respectively. The temporal resolution for the combined timestamps on a track using only the information from the Timepix4 planes is found to be 92 5~ps. The telescope is extensively described including its data acquisition system and dedicated software as well as the corrections applied to the raw measurements.

The Timepix4 Beam Telescope

Key Points

Abstract

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