Measurement of $$\tau _\text {L}$$ using the $${B} _s^0 \rightarrow J/\psi \eta $$ decay mode
Measurement of $$\tau _\text {L}$$ using the $${B} _s^0 \rightarrow J/\psi \eta $$ decay mode
复制标题
使用 $${B} _s^0 ightarrow J/psi eta $$ 衰减模式测量 $$ au _ ext {L}$$
DOI：
10.1140/epjc/s10052-023-11634-4
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发表时间：
2023
期刊：
影响因子：
--
通讯作者：
Aaij R
中科院分区：
文献类型：
--
作者：
Aaij R
Using a proton–proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of, the lifetime of the lightmass eigenstate,, is measured using thedecay mode to be \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\begin{aligned} \tau _{\text {L}} = 1.445 \pm 0.016 \text {(stat)} \pm 0.008 \text {(syst)} \,\text {ps}. \end{aligned}$$\end{document}A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 fbof integrated luminosity gives \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\begin{aligned} \tau _{\text {L}} = 1.452 \pm 0.014 \pm 0.007 \pm 0.002 \,\text {ps}, \end{aligned}$$\end{document}where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty.
Using a proton–proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of, the lifetime of the lightmass eigenstate,, is measured using thedecay mode to be \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\begin{aligned} \tau _{\text {L}} = 1.445 \pm 0.016 \text {(stat)} \pm 0.008 \text {(syst)} \,\text {ps}. \end{aligned}$$\end{document}A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 fbof integrated luminosity gives \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\begin{aligned} \tau _{\text {L}} = 1.452 \pm 0.014 \pm 0.007 \pm 0.002 \,\text {ps}, \end{aligned}$$\end{document}where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty.