Decays of charged $B$-mesons into three charged leptons and a neutrino

Abstract

In the framework of the Standard Model we present predictions for partial widths, double and single differential distributions, and forward--backward lepton asymmetries for four-leptonic decays $B^{-}\to {\mu }^{+}{\mu }^{-}{\bar{\nu }}_e{e}^{-}$, $B^{-}\to e^{+}{e}^{-}{\bar{\nu }}_{\mu }{\mu }^{-}$, $B^{-}\to {\mu }^{+}{\mu }^{-}{\bar{\nu }}_{\mu }{\mu }^{-}$, and $B^{-}\to e^{+}{e}^{-}{\bar{\nu }}_e{e}^{-}$. We consider the contributions of virtual photon emission from the light and heavy quarks of the $B^{-}$--meson, and we include bremsstrahlung of a virtual photon from the charged lepton in the final state. We use the model of vector meson dominance for calculation of virtual photon emission by the light quark of the $B^{-}$--meson and take into account the isotopic correction.

arXiv comment24 pages, 24 figures

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Cited by in corpus (7)

• QCD factorization for the four-body leptonic $B$-meson decays
• QCD factorization of the four-lepton decay $B^{-}\to \ell {\bar{\nu }}_{\ell }{\ell }^{(\prime )}{\bar{\ell }}^{(\prime )}$
• Probing flavoured Axions in the Tail of $B_q\to {\mu }^{+}{\mu }^{-}$
• Virtual Photon Emission in Leptonic Decays of Charged Pseudoscalar Mesons
• Theoretical analysis of the leptonic decays $B\to \ell \ell {\ell }^{\prime }{\bar{\nu }}_{{\ell }^{\prime }}$
• Probing the structure of the $B$ meson with $B\to \ell \ell {\ell }^{\prime }\nu$
• Recent progress in decays of $b$ and $c$ hadrons