Measurement of the B0 s → μμ effective lifetime with the ATLAS detector

ATLAS Publications; J.F. Allen; T.M. Carter; D. Duda; J.M. Gargan; R.Y. Gonzalez Andana; V.A. Parrish; E.A. Pender; T. Qiu; E.P. Takeva; N. Themistokleous; E.M. Villhauer; Z. Xu; E. Zaid

doi:10.1007/JHEP09(2023)199

Measurement of the B0 s → μμ effective lifetime with the ATLAS detector

ATLAS Publications, J.F. Allen, T.M. Carter, D. Duda, J.M. Gargan, R.Y. Gonzalez Andana, V.A. Parrish, E.A. Pender, T. Qiu, E.P. Takeva, N. Themistokleous, E.M. Villhauer, Z. Xu, E. Zaid

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract / Description of output

This paper reports the first ATLAS measurement of the B0 s → μμ effective
lifetime. The measurement is based on the data collected in 2015–2016, amounting to 26.3 fb−1 of 13 TeV LHC proton-proton collisions. The proper decay-time distribution of 58 ± 13 background-subtracted signal candidates is fit with simulated signal templates parameterised as a function of the B0
s effective lifetime, with statistical uncertainties extracted through a Neyman construction. The resulting effective measurement of the B0s → μμ life-
time is 0.99+0.42−0.07 (stat.) ± 0.17 (syst.) ps and it is found to be consistent with the Standard Model.

Original language	English
Article number	199
Pages (from-to)	1-31
Number of pages	31
Journal	Journal of High Energy Physics
Volume	2023
Issue number	9
DOIs	https://doi.org/10.1007/JHEP09(2023)199
Publication status	Published - 28 Sept 2023

Keywords / Materials (for Non-textual outputs)

B Physics
Hadron-Hadron Scattering

Access to Document

10.1007/JHEP09(2023)199Licence: Creative Commons: Attribution (CC-BY)

http://arxiv.org/abs/2308.01171

3 Finished
3 Active

Upgrade of the ATLAS detector at the LHC (2023-26)
Clark, P.
1/04/23 → 31/03/26
Project: Research
Experimental Particle Physics at the University of Edinburgh
Leonidopoulos, C.
1/04/23 → 30/09/25
Project: Research
Experimental Particle Physics at the University of Edinburgh
Leonidopoulos, C.
1/10/22 → 30/09/25
Project: Research

Cite this

ATLAS Publications, Allen, J. F., Carter, T. M., Duda, D., Gargan, J. M., Gonzalez Andana, R. Y., Parrish, V. A., Pender, E. A., Qiu, T., Takeva, E. P., Themistokleous, N., Villhauer, E. M., Xu, Z., & Zaid, E. (2023). Measurement of the B0 s → μμ effective lifetime with the ATLAS detector. Journal of High Energy Physics, 2023(9), 1-31. Article 199. https://doi.org/10.1007/JHEP09(2023)199

@article{89afdd590b3644d59cd5017d1b428c94,

title = "Measurement of the B0 s → μμ effective lifetime with the ATLAS detector",

abstract = "This paper reports the first ATLAS measurement of the B0 s → μμ effectivelifetime. The measurement is based on the data collected in 2015–2016, amounting to 26.3 fb−1 of 13 TeV LHC proton-proton collisions. The proper decay-time distribution of 58 ± 13 background-subtracted signal candidates is fit with simulated signal templates parameterised as a function of the B0s effective lifetime, with statistical uncertainties extracted through a Neyman construction. The resulting effective measurement of the B0s → μμ life-time is 0.99+0.42−0.07 (stat.) ± 0.17 (syst.) ps and it is found to be consistent with the Standard Model.",

keywords = "B Physics, Hadron-Hadron Scattering",

author = "{ATLAS Publications} and Clark, {Philip James} and Sinead Farrington and Yanyan Gao and Christos Leonidopoulos and Martin, {Victoria Jane} and Liza Mijovic and Benjamin Wynne and Sara Alderweireldt and J.F. Allen and T.M. Carter and D. Duda and J.M. Gargan and {Gonzalez Andana}, R.Y. and V.A. Parrish and E.A. Pender and T. Qiu and E.P. Takeva and N. Themistokleous and E.M. Villhauer and Z. Xu and E. Zaid",

year = "2023",

month = sep,

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doi = "10.1007/JHEP09(2023)199",

language = "English",

volume = "2023",

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journal = " Journal of High Energy Physics",

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ATLAS Publications, Allen, JF, Carter, TM, Duda, D, Gargan, JM, Gonzalez Andana, RY, Parrish, VA, Pender, EA, Qiu, T, Takeva, EP, Themistokleous, N, Villhauer, EM, Xu, Z & Zaid, E 2023, 'Measurement of the B0 s → μμ effective lifetime with the ATLAS detector', Journal of High Energy Physics, vol. 2023, no. 9, 199, pp. 1-31. https://doi.org/10.1007/JHEP09(2023)199

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T1 - Measurement of the B0 s → μμ effective lifetime with the ATLAS detector

AU - ATLAS Publications

AU - Clark, Philip James

AU - Farrington, Sinead

AU - Gao, Yanyan

AU - Leonidopoulos, Christos

AU - Martin, Victoria Jane

AU - Mijovic, Liza

AU - Wynne, Benjamin

AU - Alderweireldt, Sara

AU - Allen, J.F.

AU - Carter, T.M.

AU - Duda, D.

AU - Gargan, J.M.

AU - Gonzalez Andana, R.Y.

AU - Parrish, V.A.

AU - Pender, E.A.

AU - Qiu, T.

AU - Takeva, E.P.

AU - Themistokleous, N.

AU - Villhauer, E.M.

AU - Xu, Z.

AU - Zaid, E.

PY - 2023/9/28

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N2 - This paper reports the first ATLAS measurement of the B0 s → μμ effectivelifetime. The measurement is based on the data collected in 2015–2016, amounting to 26.3 fb−1 of 13 TeV LHC proton-proton collisions. The proper decay-time distribution of 58 ± 13 background-subtracted signal candidates is fit with simulated signal templates parameterised as a function of the B0s effective lifetime, with statistical uncertainties extracted through a Neyman construction. The resulting effective measurement of the B0s → μμ life-time is 0.99+0.42−0.07 (stat.) ± 0.17 (syst.) ps and it is found to be consistent with the Standard Model.

AB - This paper reports the first ATLAS measurement of the B0 s → μμ effectivelifetime. The measurement is based on the data collected in 2015–2016, amounting to 26.3 fb−1 of 13 TeV LHC proton-proton collisions. The proper decay-time distribution of 58 ± 13 background-subtracted signal candidates is fit with simulated signal templates parameterised as a function of the B0s effective lifetime, with statistical uncertainties extracted through a Neyman construction. The resulting effective measurement of the B0s → μμ life-time is 0.99+0.42−0.07 (stat.) ± 0.17 (syst.) ps and it is found to be consistent with the Standard Model.

KW - B Physics

KW - Hadron-Hadron Scattering

U2 - 10.1007/JHEP09(2023)199

DO - 10.1007/JHEP09(2023)199

M3 - Article

SN - 1029-8479

VL - 2023

SP - 1

EP - 31

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 9

M1 - 199

ER -

Measurement of the B0 s → μμ effective lifetime with the ATLAS detector

Abstract / Description of output

Keywords / Materials (for Non-textual outputs)

Access to Document

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Projects

Upgrade of the ATLAS detector at the LHC (2023-26)

Experimental Particle Physics at the University of Edinburgh

Experimental Particle Physics at the University of Edinburgh

Cite this