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K. Ikado, K. Abe, I. Adachi, H. Aihara et autres
We present the first evidence of the decay B- --> tau- nu(tau), using 414 fb(-1) of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+ e- collider. Events are tagged by fully reconstructing one of the …
jp, ru, in, au, us, ch, si, pl, tw, kr, de, at (code pays fourni par la source)
K. Abe, I. Adachi, H. Aihara, Y. Asano et autres
We report measurements of $B$ meson decays to two kaons using $253\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of data collected with the Belle detector at the KEKB energy-asymmetric ${e}^{+}{e}^{\ensuremath{-}}$ collider. We find evidence for signals in ${B}^{+}\ensuremath{\rightarrow}{\overline{K}}^{0}{K}^{+}$ and ${B}^{0}\ensuremath{\rightarrow}{K}^{0}{\overline{K}}^{0}$ with significances of $3.0\ensuremath{\sigma}$ and $3.5\ensuremath{\sigma}$, …
jp, ru, au, in, us, ch, si, tw, pl, kr, at, cn, Éthiopie (code pays fourni par la source)
Y. Ushiroda, K. Sumisawa, M. Hazumi, K. Abe et autres
We present a new measurement of $CP$-violation parameters in ${B}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{\ensuremath{\pi}}^{0}\ensuremath{\gamma}$ decay based on a sample of $275\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $B\overline{B}$ pairs collected at the $\ensuremath{\Upsilon}(4S)$ resonance with the Belle detector at the KEKB energy-asymmetric ${e}^{+}{e}^{\ensuremath{-}}$ collider. One of the $B$ mesons is fully reconstructed …
jp, ru, au, ch, si, tw, pl, us, kr, in, at, cn (code pays fourni par la source)
S.U. Kataoka, K. Abe, I. Adachi, H. Aihara et autres
We report a measurement of $CP$ asymmetry parameters in the decay ${B}^{0}({\overline{B}}^{0})\ensuremath{\rightarrow}J/\ensuremath{\psi}{\ensuremath{\pi}}^{0}$, which is governed by the $b\ensuremath{\rightarrow}c\overline{c}d$ transition. The analysis is based on a $140\text{ }{\mathrm{f}\mathrm{b}}^{\ensuremath{-}1}$ data sample accumulated at the $\ensuremath{\Upsilon}(4S)$ resonance by the Belle detector at the KEKB asymmetric-energy …
jp, ru, au, ch, si, tw, kr, us, cn, in, de, at, pl (code pays fourni par la source)
H. Kakuno, K. Abe, I. Adachi, H. Aihara et autres
We report the measurement of an inclusive partial branching fraction for charmless semileptonic $B$ decay and the extraction of $|{V}_{ub}|$. Candidates for $B\ensuremath{\rightarrow}{X}_{u}\ensuremath{\ell}\ensuremath{\nu}$ are identified with a novel ${X}_{u}$ reconstruction method based on neutrino reconstruction via missing 4-momentum and a technique called …
jp, ru, au, cn, in, si, pl, us, tw, kr, ch, at (code pays fourni par la source)
F. Fang, T. Hojo, K. Abe, K. Abe et autres
We report measurements of branching fractions for charged and neutral $B\ensuremath{\rightarrow}{\ensuremath{\eta}}_{c}K$ decays where the ${\ensuremath{\eta}}_{c}$ meson is reconstructed in the ${K}_{S}^{0}{K}^{\ifmmode\pm\else\textpm\fi{}}{\ensuremath{\pi}}^{\ensuremath{\mp}}$, ${K}^{+}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{0}$, ${K}^{*0}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}$, and $p\overline{p}$ decay channels. The neutral ${B}^{0}$ channel is a $CP$ eigenstate and can be used to measure the …
us, jp, ru, au, pl, ch, in, si, tw, kr, de, at, cn (code pays fourni par la source)
R.-S. Lu, K. Abe, Riichiro Abe, I. Adachi et autres
We report the first observation of the charmless two-body mode ${B}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}\ensuremath{\omega}{K}^{\ifmmode\pm\else\textpm\fi{}}$ decay, and a new measurement of the branching fraction for the ${B}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}\ensuremath{\omega}{\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}}$ decay. The measured branching fractions are $\mathcal{B}({B}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}\ensuremath{\omega}{K}^{\ifmmode\pm\else\textpm\fi{}})=({9.2}_{\ensuremath{-}2.3}^{+2.6}\ifmmode\pm\else\textpm\fi{}1.0)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}6}$ and $\mathcal{B}({B}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}\ensuremath{\omega}{\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}})=({4.2}_{\ensuremath{-}1.8}^{+2.0}\ifmmode\pm\else\textpm\fi{}0.5)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}6}$. We also measure the partial rate asymmetry of ${B}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}\ensuremath{\omega}{K}^{\ifmmode\pm\else\textpm\fi{}}$ decays …
tw, jp, ru, au, cn, pl, in, si, us, kr, ch, at (code pays fourni par la source)
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