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 2015Show all

21 papers · 1 filter

hep-ex2015★ 86 cited

Study of e+e- => B() B()-bar pi+- at sqrt(s)=10.866 GeV

A. Garmash, A. Abdesselam, I. Adachi +158

We report the analysis of the three-body e+e- => B B-bar pi, B B*-bar pi, and B* B*-bar pi processes, including the first observation of the Zb+-(10610) =>[B B*-bar+c.c.]+- and Zb+…

hep-ex2015★ 43 cited

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $Λ_{c}^{+} \to p K^{+} π^{-}$

Belle Collaboration, S. B. Yang, K. Tanida +190

We report the first observation of the decay $Λ_{c}^{+} \to p K^{+} π^{-}$ using a 980 $f b^{- 1}$ data sample collected by the Belle detector at the KEKB asymmetric…

hep-ex2015★ 4 cited

First Observation of the Decay B0->psi(2S)pi0

V. Chobanova, J. Dalseno, C. Kiesling +180

We report a measurement of the $B^{0} \to ψ (2 S) π^{0}$ branching fraction based on the full $Υ (4 S)$ data set of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle detector…

hep-ex2015★ 28 cited

Inclusive and exclusive measurements of $B$ decays to $χ_{c 1}$ and $χ_{c 2}$ at Belle

V. Bhardwaj, K. Miyabayashi, E. Panzenböck +196

We report inclusive and exclusive measurements for $χ_{c 1}$ and $χ_{c 2}$ production in $B$ decays. We measure $B (B \to χ_{c 1} X)$ = $(3.03 \pm 0.05(\mbox{stat}) \pm 0.24(\…

hep-ex2015★ 19 cited

Observation of the decay $B_{s}^{0} \to K^{0} K^{0}$

Belle Collaboration, B. Pal, A. J. Schwartz +181

We measure the decay $B_{s}^{0} \to K^{0} K^{0}$ using data collected at the $Υ (5 S)$ resonance with the Belle detector at the KEKB $e^{+} e^{-}$ collider. The data sample used…

hep-ex2015★ 3 cited

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^{+} e^{-}$ at $s =$ 10.58 GeV

Belle Collaboration, R. Seidl, A. Abdesselam +172

We report the first double differential cross sections of two charged pions and kaons ( $e^{+} e^{-} \to hh X$ ) in electron-positron annihilation as a function of the fractional e…

hep-ex2015★ 19 cited

Study of $B^{0} \to ρ^{+} ρ^{-}$ decays and implications for the CKM angle $ϕ_{2}$

P. Vanhoefer, J. Dalseno, C. Kiesling +184

We present a measurement of the branching fraction and the longitudinal polarization fraction of $B^{0} \to ρ^{+} ρ^{-}$ decays, as well as the time-dependent $C P$ violating param…

hep-ex2015★ 29 cited

Search for $B^{0} \to π^{-} τ^{+} ν_{τ}$ with hadronic tagging at Belle

Belle Collaboration, P. Hamer, A. Frey +181

We search for the process $B^{0} \to π^{-} τ^{+} ν_{τ}$ using the full Belle data set of $711 fb^{- 1}$ , corresponding to $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Υ (4 S)$ r…

hep-ex2015★ 6 cited

Observation of $B^{0} \to p Λ ˉ D^{(*) -}$

Y. -Y. Chang, M. -Z. Wang, A. Abdesselam +167

We report the first observation of the decays $B^{0} \to p Λ ˉ D^{(*) -}$ . The data sample of $711$ fb $^{- 1}$ used in this analysis corresponds to $772$ million $B B ˉ$ pa…

hep-ex2015★ 11 cited

First model-independent Dalitz analysis of $B^{0} \to D K^{* 0}$ , $D \to K_{S}^{0} π^{+} π^{-}$ decay

Belle Collaboration, K. Negishi, A. Ishikawa +178

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a Dalitz analysis of $D \to K_{S}^{0} π^{+} π^{-}$ decays, for the first…

hep-ex2015★ 79 cited

Study of $π^{0}$ pair production in single-tag two-photon collisions

The Belle Collaboration, M. Masuda, S. Uehara +177

We report a measurement of the differential cross section of $π^{0}$ pair production in single-tag two-photon collisions, $γ^{*} γ \to π^{0} π^{0}$ , in $e^{+} e^{-}$ scattering. The cross secti…

hep-ex2015★ 53 cited

Energy scan of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sections and evidence for $Υ (11020)$ decays into charged bottomonium-like states

Belle Collaboration, R. Mizuk, A. Bondar +155

Using data collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we measure the energy dependence of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sec…

hep-ex2015★ 676 cited

Measurement of the branching ratio of $B ˉ \to D^{()} τ^{-} ν ˉ_{τ}$ relative to $B ˉ \to D^{()} ℓ^{-} ν ˉ_{ℓ}$ decays with hadronic tagging at Belle

Belle Collaboration, M. Huschle, T. Kuhr +201

We report a measurement of the branching fraction ratios R(D(*)) of Bbar -> D(*) tau- nubar_tau relative to Bbar -> D()* l- nubar_l (where l = e or mu) using the full Belle data sa…

hep-ex2015★ 31 cited

First observation of the hadronic transition $Υ (4 S) \to η h_{b} (1 P)$ and new measurement of the $h_{b} (1 P)$ and $η_{b} (1 S)$ parameters

The Belle Collaboration, U. Tamponi, R. Mussa +156

Using a sample of $771.6 \times 1 0^{6}$ $Υ (4 S)$ decays collected by the Belle experiment at the KEKB $e^{+} e^{-}$ collider, we observe for the first time the transition $Υ(4S) \to ηh_b…

hep-ex2015

First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data

The BaBar, Belle Collaborations, : +471

We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is recon…

hep-ex2015★ 7 cited

Evidence for the decay B0->eta pi^0

Belle Collaboration, B. Pal, A. J. Schwartz +169

We report a search for the charmless hadronic decay $B^{0} \to η π^{0}$ with a data sample corresponding to an integrated luminosity of 694 $f b^{- 1}$ containing $753 \times 1 0^{6}$ $B\bar…

hep-ex2015★ 1 cited

Measurement of the amplitude ratio of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D \to K_{S}^{0} π^{+} π^{-}$ decays

A. Abdesselam, I. Adachi, K. Adamczyk +409

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D\to K_S^0π^+π…

hep-ex2015★ 59 cited

Search for the dark photon and the dark Higgs boson at Belle

The Belle Collaboration

The dark photon, $A^{'}$ , and the dark Higgs boson, $h^{'}$ , are hypothetical constituents featured in a number of recently proposed Dark Sector Models. Assuming prompt decay…

hep-ex2015★ 16 cited

Search for B decays to final states with the eta_c meson

Belle collaboration, A. Vinokurova, A. Kuzmin +156

We report a search for $B$ decays to selected final states with the $η_{c}$ meson: $B^{\pm} \to K^{\pm} η_{c} π^{+} π^{-}$ , $B^{\pm} \to K^{\pm} η_{c} ω$ , $B^{\pm} \to K^{\pm} η_{c} η$ and $B^{\pm}\to K…

hep-ex2015★ 5 cited

Measurement of the direct $C P$ asymmetry in $B ˉ \to X_{s + d} γ$ decays with a lepton tag

L. Pesántez, P. Urquijo, J. Dingfelder +180

We report the measurement of the direct $C P$ asymmetry in the radiative $B ˉ \to X_{s + d} γ$ decay using a data sample of $(772 \pm 11) \times 1 0^{6}$ $B B ˉ$ pairs collec…

hep-ex2015★ 34 cited

Measurements of the $Υ (10860)$ and $Υ (11020)$ resonances via $σ (e^{+} e^{-} \to Υ (n S) π^{+} π^{-})$

Belle Collaboration, D. Santel, K. Kinoshita +158

We report new measurements of the total cross sections for $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n$ = 1, 2, 3) and $e^{+} e^{-} \to b b ˉ$ from a high-luminosity fine scan of the region $\sq…

Study of e+e- => B(*) B(*)-bar pi+- at sqrt(s)=10.866 GeV

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+​→pK+π−

First Observation of the Decay B0->psi(2S)pi0

Inclusive and exclusive measurements of B decays to χc1​ and χc2​ at Belle

Observation of the decay Bs0​→K0K0

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in e+e− at s​= 10.58 GeV

Study of B0→ρ+ρ− decays and implications for the CKM angle ϕ2​

Search for B0→π−τ+ντ​ with hadronic tagging at Belle

Observation of B0→pΛˉD(∗)−

First model-independent Dalitz analysis of B0→DK∗0, D→KS0​π+π− decay

Study of π0 pair production in single-tag two-photon collisions

Energy scan of the e+e−→hb​(nP)π+π− (n=1,2) cross sections and evidence for Υ(11020) decays into charged bottomonium-like states

Measurement of the branching ratio of Bˉ→D(∗)τ−νˉτ​ relative to Bˉ→D(∗)ℓ−νˉℓ​ decays with hadronic tagging at Belle

First observation of the hadronic transition Υ(4S)→ηhb​(1P) and new measurement of the hb​(1P) and ηb​(1S) parameters