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Measurement of the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${B} _{c} ^+$$\end{document}Bc+ meson lifetime using \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidema
The lifetime of the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${B} _{c} ^+$$\end{document} B c + meson is measure...
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Published in: | The European physical journal. C, Particles and fields Particles and fields, 2014-01, Vol.74 (5) |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | The lifetime of the
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\begin{document}$${B} _{c} ^+$$\end{document}
B
c
+
meson is measured using semileptonic decays having a
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\begin{document}$$J/\psi $$\end{document}
J
/
ψ
meson and a muon in the final state. The data, corresponding to an integrated luminosity of
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\begin{document}$$2 \text{ fb }^{-1} $$\end{document}
2
fb
-
1
, are collected by the LHCb detector in
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\begin{document}$$pp$$\end{document}
p
p
collisions at a centre-of-mass energy of 8 TeV. The measured lifetime is
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\begin{document}$$\begin{aligned} \tau = 509\pm 8\pm 12\mathrm {~fs}, \end{aligned}$$\end{document}
τ
=
509
±
8
±
12
fs
,
where the first uncertainty is statistical and the second is systematic. |
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ISSN: | 1434-6044 1434-6052 |
DOI: | 10.1140/epjc/s10052-014-2839-x |