Y. Nagasaka

activity

20002022

most citedObservation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays

2k citations · 9.4k across the 91 of their papers we have counts for

collaborators

Showing 2014Show all

9 papers · 1 filter

hep-ex2014

Measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays with the semileptonic tagging method and the full Belle data sample

Belle Collaboration, A. Abdesselam, I. Adachi +392

We report a measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays using a data sample of $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Υ (4 S)$ resonance with the…

physics.ins-det2014★ 15 cited

Ortho-positronium observation in the Double Chooz Experiment

Y. Abe, J. C. dos Anjos, J. C. Barriere +143

The Double Chooz experiment measures the neutrino mixing angle $θ_{13}$ by detecting reactor $ν ˉ_{e}$ via inverse beta decay. The positron-neutron space and time coincidence allow…

hep-ex2014★ 193 cited

Improved measurements of the neutrino mixing angle $θ_{13}$ with the Double Chooz detector

Y. Abe, J. C. dos Anjos, J. C. Barriere +143

The Double Chooz experiment presents improved measurements of the neutrino mixing angle $θ_{13}$ using the data collected in 467.90 live days from a detector positioned at an avera…

hep-ex2014★ 10 cited

Search for $B^{+} \to e^{+} ν$ and $B^{+} \to μ^{+} ν$ decays using hadronic tagging

Belle Collaboration, Y. Yook, Y. -J. Kwon +175

We present a search for the rare leptonic decays $B^{+} \to e^{+} ν_{e}$ and $B^{+} \to μ^{+} ν_{μ}$ , using the full $Υ (4 S)$ data sample of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected with the…

physics.ins-det2014★ 15 cited

Precision Muon Reconstruction in Double Chooz

Double Chooz collaboration, Y. Abe, J. C. dos Anjos +141

We describe a muon track reconstruction algorithm for the reactor anti-neutrino experiment Double Chooz. The Double Chooz detector consists of two optically isolated volumes of liq…

hep-ex2014

Measurements of the masses and widths of the $Σ_{c} (2455)^{0/ ++}$ and $Σ_{c} (2520)^{0/ ++}$ baryons

Belle Collaboration, S. -H. Lee, B. R. Ko +160

We present measurements of the masses and decay widths of the baryonic states $Σ_{c} (2455)^{0/ ++}$ and $Σ_{c} (2520)^{0/ ++}$ using a data sample corresponding to an integrated lumin…

hep-ex2014★ 44 cited

Updated Cross Section Measurement of $e^{+} e^{-} \to K^{+} K^{-} J / ψ$ and $K_{S}^{0} K_{S}^{0} J / ψ$ via Initial State Radiation at Belle

Belle Collaboration, C. P. Shen, C. Z. Yuan +159

The cross sections of the processes $e^{+} e^{-} \to K^{+} K^{-} J / ψ$ and $K_{S}^{0} K_{S}^{0} J / ψ$ are measured via initial state radiation at center-of-mass energies between the threshold and 6.0~…

hep-ex2014★ 45 cited

Background-independent measurement of $θ_{13}$ in Double Chooz

Y. Abe, J. C. dos Anjos, J. C. Barriere +143

The oscillation results published by the Double Chooz collaboration in 2011 and 2012 rely on background models substantiated by reactor-on data. In this analysis, we present a back…

hep-ex2014★ 30 cited

Observation of $D^{0} - D ˉ^{0}$ Mixing in $e^{+} e^{-}$ Collisions

B. R. Ko, E. Won, I. Adachi +164

We observe $D^{0} - D ˉ^{0}$ mixing in the decay $D^{0} \to K^{+} π^{-}$ using a data sample of integrated luminosity 976 fb $^{- 1}$ collected with the Belle detector at the KEKB $e^+…

Measurement of the branching fraction of B+→τ+ντ​ decays with the semileptonic tagging method and the full Belle data sample

Ortho-positronium observation in the Double Chooz Experiment

Improved measurements of the neutrino mixing angle θ13​ with the Double Chooz detector

Search for B+→e+ν and B+→μ+ν decays using hadronic tagging

Precision Muon Reconstruction in Double Chooz

Measurements of the masses and widths of the Σc​(2455)0/++ and Σc​(2520)0/++ baryons

Updated Cross Section Measurement of e+e−→K+K−J/ψ and KS0​KS0​J/ψ via Initial State Radiation at Belle

Background-independent measurement of θ13​ in Double Chooz

Observation of D0−Dˉ0 Mixing in e+e− Collisions

Measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays with the semileptonic tagging method and the full Belle data sample

Improved measurements of the neutrino mixing angle $θ_{13}$ with the Double Chooz detector

Search for $B^{+} \to e^{+} ν$ and $B^{+} \to μ^{+} ν$ decays using hadronic tagging

Measurements of the masses and widths of the $Σ_{c} (2455)^{0/ ++}$ and $Σ_{c} (2520)^{0/ ++}$ baryons

Updated Cross Section Measurement of $e^{+} e^{-} \to K^{+} K^{-} J / ψ$ and $K_{S}^{0} K_{S}^{0} J / ψ$ via Initial State Radiation at Belle

Background-independent measurement of $θ_{13}$ in Double Chooz

Observation of $D^{0} - D ˉ^{0}$ Mixing in $e^{+} e^{-}$ Collisions