Search for the weak decays J / ψ → D s ( * ) − e + ν e + c . c .
M. Ablikim, M. N. Achasov, X. Ai, O. Albayrak et autres
Using a sample of $2.25\ifmmode\times\else\texttimes\fi{}1{0}^{8}$ $J/\ensuremath{\psi}$ events collected with the BESIII detector at the BEPCII collider, we search for the $J/\ensuremath{\psi}$ semileptonic weak decay $J/\ensuremath{\psi}\ensuremath{\rightarrow}{D}_{s}^{\ensuremath{-}}{e}^{+}{\ensuremath{\nu}}_{e}+\mathrm{c}.\mathrm{c}.$ with a much higher sensitivity than previous searches. We also perform the first search for $J/\ensuremath{\psi}\ensuremath{\rightarrow}{D}_{s}^{*\ensuremath{-}}{e}^{+}{\ensuremath{\nu}}_{e}+\mathrm{c}.\mathrm{c}.$ No …
cn, ru, us, de, it, pk, nl, tr (code pays fourni par la source)
11 citations
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields