The ATLAS collaboration;
(2023)
Measurement of the B0s → µµ efective lifetime with the ATLAS detector.
The Journal of High Energy Physics
, 2023
, Article 199. 10.1007/JHEP09(2023)199.
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Abstract
This paper reports the frst ATLAS measurement of the B0 s → µµ efective 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 ft with simulated signal templates parameterised as a function of the B0 s efective lifetime, with statistical uncertainties extracted through a Neyman construction. The resulting efective measurement of the B0 s → µµ lifetime is 0.99+0.42 −0.07 (stat.) ± 0.17 (syst.) ps and it is found to be consistent with the Standard Model.
| Type: | Article |
|---|---|
| Title: | Measurement of the B0s → µµ efective lifetime with the ATLAS detector |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/JHEP09(2023)199 |
| Publisher version: | https://doi.org/10.1007/JHEP09(2023)199 |
| Language: | English |
| Additional information: | This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) (http://creativecommons.org/licenses/by/4.0/), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
| Keywords: | B Physics, Hadron-Hadron Scattering |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10179859 |
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