LHCb VELO Timepix3 telescope
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Abstract
The LHCb VELO Timepix3 telescope is a silicon pixel tracking system constructed initially to evaluate the performance of LHCb VELO Upgrade prototypes. The telescope consists of eight hybrid pixel silicon sensor planes equipped with the Timepix3 ASIC . The planes provide excellent charge measurement, timestamping and spatial resolution and the system can function at high track rates. This paper describes the construction of the telescope and its data acquisition system and offline reconstruction software. A timing resolution of 350 ps was obtained for reconstructed tracks. A pointing resolution of better than 2\mum was determined for the 180 GeV/c mixed hadron beam at the CERN SPS . The telescope has been shown to operate at a rate of 5 million particles s−1⋅ cm−2 without a loss in efficiency.
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K. Akiba et al 2019 JINST 14 P05026
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https://iopscience.iop.org/article/10.1088/1748-0221/14/05/P05026Sponsors
We gratefully acknowledge the financial support from CERN and from the national agencies: CAPES, CNPq, FAPERJ (Brazil); the Netherlands Organisation for Scientific Research (NWO); The Royal Society and the Science and Technology Facilities Council (U.K.). This project has received funding from the European Union’s Horizon 2020 Research and Innovation programme under Grant Agreement no. 654168.
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© 2019 CERN. Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.