I. Cho

activity

20042020

most citedMeasurement of the J/Psi Meson and b-Hadron Production Cross Sections in ppbar Collisions at sqrt s = 1960 GeV

699 citations · 6.3k across the 103 of their papers we have counts for

collaborators

Showing 2012 · hep-exShow all

18 papers · 2 filters

hep-ex2012★ 72 cited

Measurements of Branching Fractions and Direct CP Asymmetries for B -> K pi, B->pi pi and B->to KK Decays

Y. -T. Duh, T. -Y. Wu, P. Chang +140

We report measurements of the branching fractions and direct CP asymmetries (A_{CP}) for B->K pi, pi pi and KK decays (but not pi^0 pi^0) based on the final data sample of 772x10^6…

hep-ex2012★ 24 cited

Study of Three-Body Y(10860) Decays

I. Adachi, K. Adamczyk, H. Aihara +337

We report preliminary results on the analysis of the three-body Y(10860)=> B barB pi, Y(10860) => (B barB* + c.c.) pi and Y(10860)=> B* barB* pi decays including an observation of…

hep-ex2012★ 12 cited

Evidence for a Zb0(10610) in Dalitz analysis of Y(5S) -> Y(nS) pi0 pi0

I. Adachi, K. Adamczyk, H. Aihara +331

We report the first observation of Y(5S) -> Y(1,2S) pi0 pi0 decays. Evidence for the Zb0(10610) with 4.9sigma significance is found in a Dalitz plot analysis of Y(5S) -> Y(2S) pi0…

hep-ex2012★ 10 cited

Search for B -> phi pi decays

Belle collaboration, J. H. Kim, M. Nakao +149

We report on a search for the charmless decays $B^{+} \to ϕ π^{+}$ and $B^{0} \to ϕ π^{0}$ that are strongly suppressed in the Standard Model. The analysis is based on a data sample of…

hep-ex2012★ 7 cited

Evidence for B- -> Ds+ K- l- nubar and search for B- -> Ds*+ K- l- nubar

Belle Collaboration, J. Stypula, M. Rozanska +165

We report measurements of the decays B- -> Ds(*)+ K- l- nubar in a data sample containing 657x10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e-…

hep-ex2012★ 6 cited

First observation of CP violation and improved measurement of the branching fraction and polarization of B0 -> D+ D- decays

Belle Collaboration, B. Kronenbitter, I. Adachi +160

We report the measurement of the branching fraction, the polarization, and the parameters of the time-dependent CP violation in B0 -> D*+ D*- decays using a data sample of 772 mill…

hep-ex2012★ 17 cited

Search for $B^{0}$ decays to invisible final states at Belle

Belle Collaboration, C. -L. Hsu, P. Chang +154

We report a search for $B^{0}$ decays into invisible final states using a data sample of $657 \times 1 0^{6}$ $B B ˉ$ pairs collected at the $Υ (4 S)$ resonance with the Belle dete…

hep-ex2012★ 14 cited

Search for the decay $B^{0} \to D K^{* 0}$ followed by $D \to K^{-} π^{+}$

The Belle Collaboration, K. Negishi, Y. Horii +136

We report a study of the decay $B^{0} \to D K^{+} π^{-}$ followed by $D \to K^{-} π^{+}$ , where $D$ indicates $D^{0}$ or $D ˉ^{0}$ . We reconstruct the $D K^{+} π^{-}$ state in a phase…

hep-ex2012★ 80 cited

Evidence for the eta_b(2S) and observation of h_b(1P) -> eta_b(1S) gamma and h_b(2P) -> eta_b(1S) gamma

Belle Collaboration, R. Mizuk, D. M. Asner +171

We report the first evidence for the eta_b(2S) using the h_b(2P)->eta_b(2S)gamma transition and the first observation of the h_b(1P)->eta_b(1S)gamma and h_b(2P)->eta_b(1S)gamma tra…

hep-ex2012★ 16 cited

Measurement of Branching Fraction and First Evidence of CP Violation in B0 --> a1+-(1260) pi-+ Decays

Belle Collaboration, J. Dalseno, I. Adachi +142

We present a measurement of the branching fraction and time-dependent CP violation parameters in B0 --> a_1^+-(1260) pi^-+ decays. The results are obtained from the final data samp…

hep-ex2012★ 223 cited

Measurement of gamma gamma* --> pi0 transition form factor at Belle

The Belle Collaboration, S. Uehara, Y. Watanabe +158

We report a measurement of the process gamma gamma* --> pi0 with a 759 fb^{-1} data sample recorded with the Belle detector at the KEKB asymmetric-energy e+e- collider. The pion tr…

hep-ex2012★ 9 cited

First observation of exclusive $Υ (1 S)$ and $Υ (2 S)$ decays into light hadrons

Belle Collaboration, C. P. Shen, C. Z. Yuan +153

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 the…

hep-ex2012★ 16 cited

Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in $B^{0} \to D^{(*) \pm} D^{\mp}$ Decays

Belle Collaboration, M. Röhrken, I. Adachi +161

We report measurements of branching fractions and time-dependent CP asymmetries in $B^{0} \to D^{+} D^{-}$ and $B^{0} \to D^{*\pm} D^{\mp}$ decays using a data sample that contains $…

hep-ex2012★ 36 cited

Search for Time-Dependent CPT Violation in Hadronic and Semileptonic B Decays

T. Higuchi, K. Sumisawa, I. Adachi +176

We report a new sensitive search for CPT violation, which includes improved measurements of the CPT-violating parameter z and the total decay-width difference normalized to the ave…

hep-ex2012★ 27 cited

Measurement of $B^{0} \to J / ψ η^{(}^{'}^{)}$ and Constraint on the $η - η^{'}$ Mixing Angle

M. -C. Chang, Y. -C. Duh, J. -Y. Lin +153

We measure the branching fractions of $B^{0} \to J / ψ η^{(}^{'}^{)}$ decays with the complete Belle data sample of $772 \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ res…

hep-ex2012★ 5 cited

Measurement of the CP-violation Parameter sin2 $ϕ_{1}$ with a New Tagging Method at the $Υ (5 S)$ Resonance

Belle Collaboration, Y. Sato, H. Yamamoto +160

We report a measurement of the CP-violation parameter sin2 $ϕ_{1}$ at the $Υ (5 S)$ resonance using a new tagging method, called " $B$ - $π$ tagging." In $Υ (5 S)$ decays containing a neutra…

hep-ex2012★ 38 cited

Evidence for CP Violation in the Decay $D^{+} \to K_{S}^{0} π^{+}$

B. R. Ko, E. Won, I. Adachi +156

We observe evidence for CP violation in the decay $D^{+} \to K_{S}^{0} π^{+}$ using a data sample with an integrated luminosity of 977 fb $^{- 1}$ collected by the Belle detector at th…

hep-ex2012★ 18 cited

Observation of new resonant structures in $γ γ \to ω ϕ$ , $ϕϕ$ and $ω ω$

Z. Q. Liu, C. P. Shen, C. Z. Yuan +2

The processes $γ γ \to ω ϕ$ , $ϕϕ$ , and $ω ω$ are measured using an 870 fb $^{- 1}$ data sample collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider. Producti…

Measurements of Branching Fractions and Direct CP Asymmetries for B -> K pi, B->pi pi and B->to KK Decays

Study of Three-Body Y(10860) Decays

Evidence for a Zb0(10610) in Dalitz analysis of Y(5S) -> Y(nS) pi0 pi0

Search for B -> phi pi decays

Evidence for B- -> Ds+ K- l- nubar and search for B- -> Ds*+ K- l- nubar

First observation of CP violation and improved measurement of the branching fraction and polarization of B0 -> D*+ D*- decays

Search for B0 decays to invisible final states at Belle

Search for the decay B0→DK∗0 followed by D→K−π+

Evidence for the eta_b(2S) and observation of h_b(1P) -> eta_b(1S) gamma and h_b(2P) -> eta_b(1S) gamma

Measurement of Branching Fraction and First Evidence of CP Violation in B0 --> a1+-(1260) pi-+ Decays

Measurement of gamma gamma* --> pi0 transition form factor at Belle

First observation of exclusive Υ(1S) and Υ(2S) decays into light hadrons

Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in B0→D(∗)±D∓ Decays