Performance of the ATLAS forward proton Time-of-Flight detector in Run 2

G Aad; T.P.A. Åkesson; C. Doglioni; P.A. Ekman; V. Hedberg; H. Herde; B. Konya; E. Lytken; R. Poettgen; N.D. Simpson; O. Smirnova; E.J. Wallin; L Zwalinski; ATLAS Collaboration

doi:10.1088/1748-0221/19/05/P05054

Performance of the ATLAS forward proton Time-of-Flight detector in Run 2

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, H. Herde, B. Konya, E. Lytken, R. Poettgen, N.D. Simpson, O. Smirnova, E.J. Wallin, L Zwalinski, ATLAS Collaboration

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Abstract

We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. Efficiencies and resolutions are measured using high-statistics data samples collected at low and moderate pile-up in 2017, the first year when the detectors were installed on both sides of the interaction region. While low efficiencies are observed, of the order of a few percent, the resolutions of the two ToF detectors measured individually are 21 ps and 28 ps, yielding an expected resolution of the longitudinal position of the interaction, z vtx, in the central ATLAS detector of 5.3 ± 0.6 mm. This is in agreement with the observed width of the distribution of the difference between z vtx, measured independently by the central ATLAS tracker and by the ToF detector, of 6.0 ± 2.0 mm. © 2024 CERN for the benefit of the ATLAS collaboration.

Original language	English
Article number	P05054
Journal	Journal of Instrumentation
Volume	19
Issue number	5
DOIs	https://doi.org/10.1088/1748-0221/19/05/P05054
Publication status	Published - 2024

Subject classification (UKÄ)

Subatomic Physics

Free keywords

Cherenkov detectors
Performance of High Energy Physics Detectors
Timing detectors
Vertexing algorithms
High energy physics
Piles
Cherenkov Detectors
High energy physics detector
Performance
Performance of high energy physic detector
Performance study
Subdetectors
Time-of flight
Time-of-flight detectors
Vertexing algorithm
Timing circuits

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10.1088/1748-0221/19/05/P05054Licence: CC BY

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Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L., & ATLAS Collaboration (2024). Performance of the ATLAS forward proton Time-of-Flight detector in Run 2. Journal of Instrumentation, 19(5), Article P05054. https://doi.org/10.1088/1748-0221/19/05/P05054

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abstract = "We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. Efficiencies and resolutions are measured using high-statistics data samples collected at low and moderate pile-up in 2017, the first year when the detectors were installed on both sides of the interaction region. While low efficiencies are observed, of the order of a few percent, the resolutions of the two ToF detectors measured individually are 21 ps and 28 ps, yielding an expected resolution of the longitudinal position of the interaction, z vtx, in the central ATLAS detector of 5.3 ± 0.6 mm. This is in agreement with the observed width of the distribution of the difference between z vtx, measured independently by the central ATLAS tracker and by the ToF detector, of 6.0 ± 2.0 mm. {\textcopyright} 2024 CERN for the benefit of the ATLAS collaboration.",

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T1 - Performance of the ATLAS forward proton Time-of-Flight detector in Run 2

AU - Aad, G

AU - Åkesson, T.P.A.

AU - Doglioni, C.

AU - Ekman, P.A.

AU - Hedberg, V.

AU - Herde, H.

AU - Konya, B.

AU - Lytken, E.

AU - Poettgen, R.

AU - Simpson, N.D.

AU - Smirnova, O.

AU - Wallin, E.J.

AU - Zwalinski, L

AU - ATLAS Collaboration

PY - 2024

Y1 - 2024

N2 - We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. Efficiencies and resolutions are measured using high-statistics data samples collected at low and moderate pile-up in 2017, the first year when the detectors were installed on both sides of the interaction region. While low efficiencies are observed, of the order of a few percent, the resolutions of the two ToF detectors measured individually are 21 ps and 28 ps, yielding an expected resolution of the longitudinal position of the interaction, z vtx, in the central ATLAS detector of 5.3 ± 0.6 mm. This is in agreement with the observed width of the distribution of the difference between z vtx, measured independently by the central ATLAS tracker and by the ToF detector, of 6.0 ± 2.0 mm. © 2024 CERN for the benefit of the ATLAS collaboration.

AB - We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. Efficiencies and resolutions are measured using high-statistics data samples collected at low and moderate pile-up in 2017, the first year when the detectors were installed on both sides of the interaction region. While low efficiencies are observed, of the order of a few percent, the resolutions of the two ToF detectors measured individually are 21 ps and 28 ps, yielding an expected resolution of the longitudinal position of the interaction, z vtx, in the central ATLAS detector of 5.3 ± 0.6 mm. This is in agreement with the observed width of the distribution of the difference between z vtx, measured independently by the central ATLAS tracker and by the ToF detector, of 6.0 ± 2.0 mm. © 2024 CERN for the benefit of the ATLAS collaboration.

KW - Cherenkov detectors

KW - Performance of High Energy Physics Detectors

KW - Timing detectors

KW - Vertexing algorithms

KW - High energy physics

KW - Piles

KW - Cherenkov Detectors

KW - High energy physics detector

KW - Performance

KW - Performance of high energy physic detector

KW - Performance study

KW - Subdetectors

KW - Time-of flight

KW - Time-of-flight detectors

KW - Vertexing algorithm

KW - Timing circuits

U2 - 10.1088/1748-0221/19/05/P05054

DO - 10.1088/1748-0221/19/05/P05054

M3 - Article

SN - 1748-0221

VL - 19

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 5

M1 - P05054

ER -

Performance of the ATLAS forward proton Time-of-Flight detector in Run 2

Abstract

Subject classification (UKÄ)

Free keywords

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