Measurement of the average φ multiplicity in<i>B</i>meson decay

B. Aubert, R. Barate, D. Boutigny, J.-M. Gaillard, A. Hicheur, Y. Karyotakis, J. P. Lees, P. Robbe, V. Tisserand, A. Zghiche

Type: Article

Publication Date: 2004-03-31

Citations: 1

DOI: https://doi.org/10.1103/physrevd.69.052005

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Abstract

We present a measurement of the average multiplicity of \ensuremath{\varphi} mesons in ${B}^{0},$ ${B}^{0},$ and ${B}^{\ifmmode\pm\else\textpm\fi{}}$ meson decays. Using 17.6 ${\mathrm{fb}}^{\mathrm{\ensuremath{-}}1}$ of data taken at the $\ensuremath{\Upsilon}(4S)$ resonance by the BABAR detector at the PEP-II ${e}^{+}{e}^{\ensuremath{-}}$ storage ring at the Stanford Linear Accelerator Center, we reconstruct \ensuremath{\varphi} mesons in the ${K}^{+}{K}^{\ensuremath{-}}$ decay mode and measure $\mathcal{B}(\stackrel{\ensuremath{\rightarrow}}{B}\ensuremath{\varphi}X)=(3.41\ifmmode\pm\else\textpm\fi{}0.06\ifmmode\pm\else\textpm\fi{}0.12)%.$ This is significantly more precise than any previous measurement.

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Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology - View
arXiv (Cornell University) - View - PDF
Radboud Repository (Radboud University) - View - PDF
Brunel University Research Archive (BURA) (Brunel University London) - View - PDF
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