A search for the Z ( 3930 ) resonance in γ γ production of the D Dsystem has been performed using a data sample corresponding to an integrated luminosity of 384 fb - 1 recorded by the …
We present a study of the D + π - , D 0 π + , and D * + π - systems in inclusive e + e - → c c interactions in a search for new excited D meson states. We use a data set, consisting of ∼ …
We report the results of a study of the exclusive charmless semileptonic decays, B 0 → π - ℓ + ν , <?format ?> B + → π 0 ℓ + ν , B + → ω ℓ + ν , B + → η ℓ + ν , and B + → η ′ ℓ + ν ( ℓ = e …
We study the reactions e + e - → e + e - η ( ′ ) in the single-tag mode and measure the γ γ * → η ( ′ ) transition form factors in the momentum-transfer range from 4 to 40 GeV 2 . The …
We present a search for the decay B + → τ + ν using 467.8 × 10 6 B Bpairs collected at the Υ ( 4 S ) resonance with the BABAR detector at the SLAC PEP-II B -Factory. We select a …
A precise measurement of the cross section for the process e + e - → K + K - ( γ ) from threshold to an energy of 5 GeV is obtained with the initial-state radiation (ISR) method using 232 …
<?format ?>We present measurements of the decays B + → X ( 3872 ) K + and B 0 → X ( 3872 ) K 0 with X ( 3872 ) → J / ψ π + π - . The data sample used, collected with the BABAR …
A search for the neutrinoless, lepton-flavor violating decay of the τ lepton into three charged leptons has been performed using an integrated luminosity of 468 fb - 1 collected with the …
We present searches for rare or forbidden charm decays of the form X c + → h ± ℓ ∓ ℓ ( ′ ) + , where X c + is a charm hadron ( D + , D s + , or Λ c + ), h ± is a pion, kaon, or proton, and ℓ …
The ratio of branching fractions R ( D * ) = B ( B → D * τ - ν τ ) / B ( B → D * ℓ - ν ℓ ) , where ℓ is an electron or muon, is measured using a Belle II data sample with an integrated …