Identification of charm jets at LHCb

K. de Bruyn; C. J. G. Onderwater; M. van Veghel; LHCb Collaboration

doi:10.1088/1748-0221/17/02/P02028

Identification of charm jets at LHCb

K. de Bruyn, C. J. G. Onderwater, M. van Veghel, LHCb Collaboration

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Abstract

The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. The charm-tagging efficiency is reported as a function of the transverse momentum of the jet. The measured efficiencies are compared to those obtained from simulation and found to be in good agreement.

Original language	English
Article number	P02028
Journal	Journal of Instrumentation
Volume	17
Issue number	2
DOIs	https://doi.org/10.1088/1748-0221/17/02/P02028
Publication status	Published - 1-Feb-2022

Keywords

Analysis and statistical methods
Pattern recognition, cluster finding, calibration and fitting methods
Performance of High Energy Physics Detectors

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10.1088/1748-0221/17/02/P02028Licence: CC BY

Identification of charm jets at LHCbFinal publisher's version, 1.17 MBLicence: CC BY

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title = "Identification of charm jets at LHCb",

abstract = "The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. The charm-tagging efficiency is reported as a function of the transverse momentum of the jet. The measured efficiencies are compared to those obtained from simulation and found to be in good agreement.",

keywords = "Analysis and statistical methods, Pattern recognition, cluster finding, calibration and fitting methods, Performance of High Energy Physics Detectors",

author = "R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and L. Dufour and {de Bruyn}, K. and M. Mulder and Onderwater, {C. J. G.} and A. Pellegrino and S. Tolk and {van Veghel}, M. and {LHCb Collaboration}",

note = "Publisher Copyright: {\textcopyright} 2022 CERN for the benefit of the LHCb collaboration.",

year = "2022",

month = feb,

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doi = "10.1088/1748-0221/17/02/P02028",

language = "English",

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TY - JOUR

T1 - Identification of charm jets at LHCb

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Dufour, L.

AU - de Bruyn, K.

AU - Mulder, M.

AU - Onderwater, C. J. G.

AU - Pellegrino, A.

AU - Tolk, S.

AU - van Veghel, M.

AU - LHCb Collaboration

PY - 2022/2/1

Y1 - 2022/2/1

N2 - The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. The charm-tagging efficiency is reported as a function of the transverse momentum of the jet. The measured efficiencies are compared to those obtained from simulation and found to be in good agreement.

AB - The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. The charm-tagging efficiency is reported as a function of the transverse momentum of the jet. The measured efficiencies are compared to those obtained from simulation and found to be in good agreement.

KW - Analysis and statistical methods

KW - Pattern recognition, cluster finding, calibration and fitting methods

KW - Performance of High Energy Physics Detectors

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U2 - 10.1088/1748-0221/17/02/P02028

DO - 10.1088/1748-0221/17/02/P02028

M3 - Article

SN - 1748-0221

VL - 17

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 2

M1 - P02028

ER -

Identification of charm jets at LHCb

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Keywords

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