Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade

Emma Buchanan; Kazu Akiba; Martin van Beuzekom; Paula Collins; Elena Dall'Occo; Tim Evans; Vincente Franco Lima; Rolf Geertesema; P. Kopciewicz; B. Rachwal; Sophie E Richards; Daniel Saunders; Heinrich Schindler; Tomasz Szumlak; Panos Tsopelas; Jaap J Velthuis; Mark Williams

doi:10.1088/1748-0221/17/06/P06038

Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade

Emma Buchanan, Kazu Akiba, Martin van Beuzekom, Paula Collins, Elena Dall'Occo, Tim Evans, Vincente Franco Lima, Rolf Geertesema, P. Kopciewicz, B. Rachwal, Sophie E Richards, Daniel Saunders, Heinrich Schindler, Tomasz Szumlak, Panos Tsopelas, Jaap J Velthuis, Mark Williams

School of Physics

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Abstract

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. The sensor performance was characterised using both irradiated and non-irradiated sensors. Irradiated samples were subjected to a maximum fluence of 8×10^{15} 1 MeV neq cm^{-2}, of both protons and neutrons. The spatial resolution is measured comparing the detected hits to the position as predicted by tracks reconstructed by the Timepix3 telescope. The resolution is presented for different applied bias voltages and track angles, sensor thickness and implant size.

Original language	English
Article number	P06038
Number of pages	17
Journal	Journal of Instrumentation
Volume	17
Issue number	6
DOIs	https://doi.org/10.1088/1748-0221/17/06/P06038
Publication status	Published - 29 Jun 2022

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© 2022 CERN.

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Buchanan, E., Akiba, K., van Beuzekom, M., Collins, P., Dall'Occo, E., Evans, T., Franco Lima, V., Geertesema, R., Kopciewicz, P., Rachwal, B., Richards, S. E., Saunders, D., Schindler, H., Szumlak, T., Tsopelas, P., Velthuis, J. J., & Williams, M. (2022). Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade. Journal of Instrumentation, 17(6), Article P06038. https://doi.org/10.1088/1748-0221/17/06/P06038

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title = "Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade",

abstract = "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. The sensor performance was characterised using both irradiated and non-irradiated sensors. Irradiated samples were subjected to a maximum fluence of 8×10^{15} 1 MeV neq cm^{-2}, of both protons and neutrons. The spatial resolution is measured comparing the detected hits to the position as predicted by tracks reconstructed by the Timepix3 telescope. The resolution is presented for different applied bias voltages and track angles, sensor thickness and implant size.",

author = "Emma Buchanan and Kazu Akiba and {van Beuzekom}, Martin and Paula Collins and Elena Dall'Occo and Tim Evans and {Franco Lima}, Vincente and Rolf Geertesema and P. Kopciewicz and B. Rachwal and Richards, {Sophie E} and Daniel Saunders and Heinrich Schindler and Tomasz Szumlak and Panos Tsopelas and Velthuis, {Jaap J} and Mark Williams",

note = "Publisher Copyright: {\textcopyright} 2022 CERN.",

year = "2022",

month = jun,

day = "29",

doi = "10.1088/1748-0221/17/06/P06038",

language = "English",

volume = "17",

journal = "Journal of Instrumentation",

issn = "1748-0221",

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Buchanan, E, Akiba, K, van Beuzekom, M, Collins, P, Dall'Occo, E, Evans, T, Franco Lima, V, Geertesema, R, Kopciewicz, P, Rachwal, B, Richards, SE, Saunders, D, Schindler, H, Szumlak, T, Tsopelas, P, Velthuis, JJ & Williams, M 2022, 'Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade', Journal of Instrumentation, vol. 17, no. 6, P06038. https://doi.org/10.1088/1748-0221/17/06/P06038

TY - JOUR

T1 - Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade

AU - Buchanan, Emma

AU - Akiba, Kazu

AU - van Beuzekom, Martin

AU - Collins, Paula

AU - Dall'Occo, Elena

AU - Evans, Tim

AU - Franco Lima, Vincente

AU - Geertesema, Rolf

AU - Kopciewicz, P.

AU - Rachwal, B.

AU - Richards, Sophie E

AU - Saunders, Daniel

AU - Schindler, Heinrich

AU - Szumlak, Tomasz

AU - Tsopelas, Panos

AU - Velthuis, Jaap J

AU - Williams, Mark

PY - 2022/6/29

Y1 - 2022/6/29

N2 - 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. The sensor performance was characterised using both irradiated and non-irradiated sensors. Irradiated samples were subjected to a maximum fluence of 8×10^{15} 1 MeV neq cm^{-2}, of both protons and neutrons. The spatial resolution is measured comparing the detected hits to the position as predicted by tracks reconstructed by the Timepix3 telescope. The resolution is presented for different applied bias voltages and track angles, sensor thickness and implant size.

AB - 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. The sensor performance was characterised using both irradiated and non-irradiated sensors. Irradiated samples were subjected to a maximum fluence of 8×10^{15} 1 MeV neq cm^{-2}, of both protons and neutrons. The spatial resolution is measured comparing the detected hits to the position as predicted by tracks reconstructed by the Timepix3 telescope. The resolution is presented for different applied bias voltages and track angles, sensor thickness and implant size.

U2 - 10.1088/1748-0221/17/06/P06038

DO - 10.1088/1748-0221/17/06/P06038

M3 - Article (Academic Journal)

SN - 1748-0221

VL - 17

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 6

M1 - P06038

ER -

Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade

Abstract

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