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

ATLAS Collaboration

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

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

ATLAS Collaboration

Instituto de Alta Investigación

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4 Citas (Scopus)

Resumen

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.

Idioma original	Inglés
Número de artículo	P05054
Publicación	Journal of Instrumentation
Volumen	19
N.º	5
DOI	https://doi.org/10.1088/1748-0221/19/05/P05054
Estado	Publicada - 1 may 2024

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@article{1513113df0554ef9aefbab1cf9a391c0,

title = "Performance of the ATLAS forward proton Time-of-Flight detector in Run 2",

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.",

keywords = "Cherenkov detectors, Performance of High Energy Physics Detectors, Timing detectors, Vertexing algorithms",

author = "Filmer, \{E. K.\} and Grant, \{C. M.\} and P. Jackson and Kong, \{A. X.Y.\} and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2024 CERN for the benefit of the ATLAS collaboration.",

year = "2024",

month = may,

day = "1",

doi = "10.1088/1748-0221/19/05/P05054",

language = "English",

volume = "19",

journal = "Journal of Instrumentation",

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TY - JOUR

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

AU - Filmer, E. K.

AU - Grant, C. M.

AU - Jackson, P.

AU - Kong, A. X.Y.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2024/5/1

Y1 - 2024/5/1

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.

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.

KW - Cherenkov detectors

KW - Performance of High Energy Physics Detectors

KW - Timing detectors

KW - Vertexing algorithms

UR - https://www.scopus.com/pages/publications/85197870298

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

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

M3 - Article

AN - SCOPUS:85197870298

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

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