J. Yamaoka

activity

20102019

e^{+} e^{-} \to π^{+} π^{-} J / ψ

and Observation of a Charged Charmonium-like State at Belle

739 citations · 4.2k across the 78 of their papers we have counts for

collaborators

Showing 2013Show all

10 papers · 1 filter

hep-ex2013

Search for B0 to p Lambdabar pi- gamma at Belle

Y. -T. Lai, M. -Z. Wang, I. Adachi +148

We search for the charmless B^0 decay with final state particles p Lambdabar pi^- gamma using the full data sample that contains 772 * 10^6 B Bar pairs collected at the Upsilon(4S)…

hep-ex2013★ 42 cited

Measurement of the $τ$ -lepton lifetime at Belle

Belle Collaboration, K. Belous, M. Shapkin +163

The lifetime of the $τ$ -lepton is measured using the process $e^{+} e^{-} \to τ^{+} τ^{-}$ , where both $τ$ -leptons decay to $3 π ν_{τ}$ . The result for the mean lifetime, based on $711\,\m…

hep-ex2013

Measurement of the Decays $B_{s}^{0} \to J / ψ ϕ (1020)$ , $B_{s}^{0} \to J / ψ f_{2}^{'} (1525)$ and $B_{s}^{0} \to J / ψ K^{+} K^{-}$ at Belle

Belle Collaboration, F. Thorne, C. Schwanda +148

We report a measurement of the branching fraction of the decay $B_{s}^{0} \to J / ψ ϕ (1020)$ , evidence and a branching fraction measurement for $B_{s}^{0} \to J / ψ f_{2}^{'} (1525)$ , and the determ…

hep-ex2013★ 10 cited

Search for Bottomonium States in Exclusive Radiative Upsilon(2S) Decays

Belle Collaboration, S. Sandilya, K. Trabelsi +173

We search for bottomonium states in Upsilon(2S)-> (bb-bar) gamma decays with an integrated luminosity of 24.7fb^-1 recorded at the Upsilon(2S) resonance with the Belle detector at…

hep-ex2013★ 8 cited

First Observation of Cabibbo-Suppressed Ξ_c^0 Decays

Belle Collaboration, R. Chistov, I. Adachi +177

We report the first observation of the Cabibbo-suppressed decays $Ξ_{c}^{0} \to Ξ^{-} K^{+}$ , $Ξ_c^0\raΛK^+ K^-$ and $Ξ_{c}^{0} \to Λ ϕ$ , using a data sample of $711\, \mathrm{fb}…

hep-ex2013★ 13 cited

Evidence for Semileptonic B- to p pbar l nubar Decays

K. -J. Tien, M. -Z. Wang, I. Adachi +166

We find evidence for the semileptonic baryonic decay $B^{-} \to p p ˉ ℓ^{-} ν ˉ_{ℓ}$ ( $ℓ = e, μ$ ), based on a data sample of 772 million $B B ˉ$ pairs collected at the $Υ (4 S)$ r…

hep-ex2013★ 739 cited

Study of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Observation of a Charged Charmonium-like State at Belle

Belle Collaboration, Z. Q. Liu, C. P. Shen +185

The cross section for $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ between 3.8 GeV and 5.5 GeV is measured with a 967 fb $^{- 1}$ data sample collected by the Belle detector at or near the $Υ (n S)$ ($n…

hep-ex2013★ 7 cited

Measurement of exclusive $Υ (1 S)$ and $Υ (2 S)$ decays into Vector-Pseudoscalar final states

Belle Collaboration, C. P. Shen, C. Z. Yuan +178

Using samples of 102 million $Υ (1 S)$ and 158 million $Υ (2 S)$ events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to $\k…

physics.ins-det2013★ 3 cited

Charge-Focusing Readout of Time Projection Chambers

S. J. Ross, M. T. Hedges, I. Jaegle +5

Time projection chambers (TPCs) have found a wide range of applications in particle physics, nuclear physics, and homeland security. For TPCs with high-resolution readout, the read…

hep-ex2013★ 91 cited

Evidence of a new narrow resonance decaying to $χ_{c 1} γ$ in $B \to χ_{c 1} γ K$

Belle Collaboration, V. Bhardwaj, K. Miyabayashi +188

We report measurements of $B \to χ_{c 1} γ K$ and $χ_{c 2} γ K$ decays using $772 \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ resonance with the Belle detector at the KEK…

Search for B0 to p Lambdabar pi- gamma at Belle

Measurement of the τ-lepton lifetime at Belle

Measurement of the Decays Bs0​→J/ψϕ(1020), Bs0​→J/ψf2′​(1525) and Bs0​→J/ψK+K− at Belle