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LHCb VELO Timepix3 Telescope
/ Akiba, Kazu (NIKHEF, Amsterdam) ; van Beuzekom, Martin (NIKHEF, Amsterdam) ; Boterenbrood, Henk (NIKHEF, Amsterdam) ; Buchanan, Emma (Bristol U.) ; Buytaert, Jan (CERN) ; Byczynski, Wiktor (CERN) ; Cid Vidal, Xabier (Santiago de Compostela U., IGFAE) ; Collins, Paula (CERN) ; Dall'Occo, Elena (NIKHEF, Amsterdam) ; Dosil Suárez, Alvaro (Santiago de Compostela U., IGFAE) et al.
The LHCb VELO Timepix3 telescope is a silicon pixel tracking system constructed initially to evaluate the performance of LHCb VELO Upgrade prototypes. The telesope consists of eight hybrid pixel silicon sensor planes equipped with the Timepix3 ASIC. [...]
arXiv:1902.09755.-
2019-05-29 - 16 p.
- Published in : JINST 14 (2019) P05026
Fulltext: fulltext1722090 - PDF; 1902.09755 - PDF; Fulltext from Publisher: PDF;
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Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade
/ Buchanan, E. (Bristol U. ; CERN) ; Akiba, K. (Nikhef, Amsterdam) ; van Beuzekom, M. (Nikhef, Amsterdam) ; Collins, P. (CERN) ; Dall'Occo, E. (Nikhef, Amsterdam ; Tech. U., Dortmund (main)) ; Evans, T. (CERN ; Oxford U.) ; Lima, V. Franco (Liverpool U.) ; Geertsema, R. (Nikhef, Amsterdam) ; Kopciewicz, P. (AGH-UST, Cracow) ; Price, E. (Bristol U.) et al.
A comprehensive study of the spatial resolution and detection efficiency of sensor prototypes developed for the LHCb VELO upgrade is presented. Data samples were collected at the CERN SPS H8 beam line using a hadron mixture of protons and pions with momenta of approximately 180 GeV/c. [...]
arXiv:2201.12130.-
2022-06-29 - 18 p.
- Published in : JINST 17 (2022) P06038
Fulltext: document - PDF; 2201.12130 - PDF;
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Temporal characterisation of silicon sensors on Timepix3 ASICs
/ Dall'Occo, E. (Nikhef, Amsterdam ; Tech. U., Dortmund (main)) ; Akiba, K. (Nikhef, Amsterdam) ; van Beuzekom, M. (Nikhef, Amsterdam) ; Buchanan, E. (Bristol U.) ; Collins, P. (CERN) ; Evans, T. (CERN) ; Lima, V. Franco (Liverpool U.) ; Geertsema, R. (Nikhef, Amsterdam) ; Schindler, H. (CERN) ; Snoek, H. (Nikhef, Amsterdam) et al.
The timing performance of silicon sensors bump-bonded to Timepix3 ASICs is investigated, prior to and after different types of irradiation up to $8 \times 10^{15} 1 \mathrm{\,Me\kern -0.1em V} \mathrm{ \,n_{eq}} {\mathrm{ \,cm}}^{-2}$. The sensors have been tested with a beam of charged particles in two different configurations, perpendicular to and almost parallel to the incident beam. [...]
arXiv:2102.06088.-
2021-07-23 - 23 p.
- Published in : JINST 16 (2021) P07035
Fulltext: document - HTM; 2102.06088 - PDF; Fulltext from publisher: PDF;
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Charge collection properties of prototype sensors for the LHCb VELO upgrade
/ Geertsema, R. (NIKHEF, Amsterdam) ; Akiba, K. (NIKHEF, Amsterdam) ; van Beuzekom, M. (NIKHEF, Amsterdam) ; Buchanan, E. (Bristol U.) ; Burr, C. (CERN) ; Byczynski, W. (CERN ; Cracow Tech. U.) ; Collins, P. (CERN) ; Dall'Occo, E. (NIKHEF, Amsterdam ; Dortmund U.) ; Evans, T. (CERN ; Oxford U.) ; Lima, V.Franco (Liverpool U.) et al.
An extensive sensor testing campaign is presented, dedicated to measuring the charge collection properties of prototype candidates for the Vertex Locator (VELO) detector for the upgraded LHCb experiment. The charge collection is measured with sensors exposed to fluences of up to $8 \times 10^{15}~1~\mathrm{\,Me\kern -0.1em V}~ \mathrm{ \,n_{eq}}~{\mathrm{ \,cm}}^{-2}$, as well as with nonirradiated prototypes. [...]
arXiv:2010.10147.-
2021-02-23 - 18 p.
- Published in : JINST 16 (2021) P02029
Fulltext: PDF; Fulltext from publisher: PDF;
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Reconstruction of charged tracks with Timepix4 ASICs
/ Akiba, Kazu (Nikhef, Amsterdam) ; van Beuzekom, Martin (Nikhef, Amsterdam) ; van Beveren, Vincent (Nikhef, Amsterdam) ; Byczynski, Wiktor (CERN ; Cracow Tech. U.) ; Coco, Victor (CERN) ; Collins, Paula (CERN) ; Dall'Occo, Elena (Dortmund U.) ; Dumps, Raphael (CERN) ; Evans, Tim (Manchester U.) ; Geertsema, Robbert (Nikhef, Amsterdam) et al.
The design of a detector system comprised of four silicon sensors bump-bonded to Timepix4 ASICs is described together with its data acquisition system, operational infrastructure, and dedicated software. The spatial and temporal performance of the system are assessed with a 180 GeV/c mixed hadron beam at the CERN SPS and reported in detail. [...]
arXiv:2210.01442.-
2023-02-10 - 14 p.
- Published in : JINST 18 (2023) P02011
Fulltext: document - PDF; 2210.01442 - PDF;
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Timing performance of the LHCb VELO Timepix3 Telescope
/ Heijhoff, K. (Nikhef, Amsterdam) ; Akiba, K. (Nikhef, Amsterdam) ; van Beuzekom, M. (Nikhef, Amsterdam) ; Bosch, P. (Nikhef, Amsterdam) ; Buytaert, J. (CERN) ; Campbell, M. (CERN) ; Colijn, A.P. (Nikhef, Amsterdam) ; Collins, P. (CERN) ; Dall'Occo, E. (Nikhef, Amsterdam) ; Evans, T. (Oxford U.) et al.
We performed a detailed study of the timing performance of the LHCb VELO Timepix3 Telescope with a 180 GeV/c mixed hadron beam at the CERN SPS. A twofold method was developed to improve the resolution of single-plane time measurements, resulting in a more precise overall track time measurement. [...]
arXiv:2008.04801.-
2020-09-25 - 19 p.
- Published in : JINST
Fulltext: PDF; Fulltext from publisher: PDF;
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Development of very-thick transparent GEMs with wavelength-shifting capability for noble element TPCs
/ Kuźniak, Marcin (Warsaw, Copernicus Astron. Ctr.) ; González-Díaz, Diego (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Amedo, Pablo (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Azevedo, Carlos Davide Rocha (Aveiro U.) ; Fernández-Posada, D.J. (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Kuźwa, M. (Warsaw, Copernicus Astron. Ctr.) ; Leardini, Sara (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Leonhardt, A. (Munich U. ; TUM-IAS, Munich) ; Łęcki, T. (Warsaw U.) ; Manzanillas, Luis (Munich, Max Planck Inst.) et al.
A new concept for the simultaneous detection of primary and secondary scintillation in time projection chambers is proposed. Its core element is a type of very-thick GEM structure supplied with transparent electrodes and machined from a polyethylene naphthalate plate, a natural wavelength-shifter. [...]
arXiv:2106.03773.-
2021-07-13 - 7 p.
- Published in : Eur. Phys. J. C 81 (2021) 609
Fulltext: PDF;
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Digital column readout architectures for hybrid pixel detector readout chips
/ Poikela, T (TUCS, Turku ; CERN) ; Plosila, J (Turku U.) ; Westerlund, T (Turku U.) ; Buytaert, J (CERN) ; Campbell, M (CERN) ; De Gaspari, M (CERN) ; Llopart, X (CERN) ; Wyllie, K (CERN) ; Gromov, V (NIKHEF, Amsterdam) ; Kluit, R (NIKHEF, Amsterdam) et al.
In this paper, two digital column architectures suitable for sparse readout of data from a pixel matrix in trigger-less applications are presented. Each architecture reads out a pixel matrix of 256 x 256 pixels with a pixel pitch of 55 µm. [...]
AIDA-PUB-2014-021.-
Geneva : CERN, 2014
- Published in : JINST 9 (2014) C01007
In : Topical Workshop on Electronics for Particle Physics, Perugia, Italy, 23 - 27 Sep 2013, pp.C01007
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