Y. Choi

activity

20002023

most citedSolar Neutrino Measurements in Super-Kamiokande-IV

302 citations · 5k across the 88 of their papers we have counts for

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81 papers · 1 filter

hep-ex2023★ 46 cited

Solar neutrino measurements using the full data period of Super-Kamiokande-IV

Kamiokande Collaboration, K. Abe, C. Bronner +322

An analysis of solar neutrino data from the fourth phase of Super-Kamiokande~(SK-IV) from October 2008 to May 2018 is performed and the results are presented. The observation time…

hep-ex2016★ 302 cited

Solar Neutrino Measurements in Super-Kamiokande-IV

Kamiokande Collaboration, K. Abe, Y. Haga +167

Upgraded electronics, improved water system dynamics, better calibration and analysis techniques allowed Super-Kamiokande-IV to clearly observe very low-energy 8B solar neutrino in…

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-ex2013★ 132 cited

Supernova Relic Neutrino Search with Neutron Tagging at Super-Kamiokande-IV

Kamiokande Collaboration

A search for Supernova Relic Neutrinos $ν ˉ_{e}$ 's is first conducted via inverse-beta-decay by tagging neutron capture on hydrogen at Super-Kamiokande-IV. The neutron tagging effi…

hep-ex2013★ 178 cited

Experimental constraints on the spin and parity of the Z(4430)+

Belle Collaboration, K. Chilikin, R. Mizuk +188

We perform a full amplitude analysis of B0 -> psi' K+ pi- decays, with psi' -> mu+ mu- or e+ e-, to constrain the spin and parity of the Z(4430)-. The J^P=1+ hypothesis is favored…

hep-ex2011★ 12 cited

Evidence for Direct CP Violation in $B^{\pm} \to η h^{\pm}$ and Observation of $B^{0} \to η K^{0}$

C. -T. Hoi, P. Chang

We report measurements of the branching fractions and CP asymmetries for B^+- -> eta h^+- (h = K or pi) and the observation of the decay B^0 -> eta K^0 from the final data sample o…

hep-ex2011★ 16 cited

Search for charmonium and charmonium-like states in Υ(2S) radiative decays

X. L. Wang, C. P. Shen, C. Z. Yuan +2

Using a sample of 158 million Υ(2S) events collected with the Belle detector, charmonium and charmonium-like states with even charge parity are searched for in Υ(2S) radiative deca…

hep-ex2011★ 192 cited

Bounds on the width, mass difference and other properties of X(3872) --> pi+pi-J/psi decays

S. -K. Choi, S. L. Olsen, K. Trabelsi

We present results from a study of X(3872) --> pi+pi- J/psi decays produced via exclusive B--> K X(3872) decays. We determine the mass to be M_X(3872)= (3871.84\pm 0.27 (stat)\pm 0…

hep-ex2011★ 28 cited

Study of B^{+-} -> K^{+-}(K_S K pi)^0 Decay and Determination of eta_c and eta_c(2S) Parameters

Belle collaboration, A. Vinokurova, A. Kuzmin +143

We report the results of a study of $B^{\pm} \to K^{\pm} η_{c}$ and $B^{\pm} \to K^{\pm} η_{c} (2 S)$ decays followed by $η_{c}$ and $η_{c} (2 S)$ decays to $(K_{S} K π)^{0}$ . The results are obtained f…

hep-ex2011★ 10 cited

First Observation of Radiative B^0 -> ϕK^0 γDecays and Measurements of Their Time-Dependent CP Violation

H. Sahoo, T. E. Browder

We report the first observation of the radiative decay B^0 -> ϕK^0 γusing a data sample of 772 x 10^6 B B-bar pairs collected at the Υ(4S) resonance with the Belle detector at the…

hep-ex2011★ 22 cited

Measurements of time-dependent CP asymmetries in $B \to D^{*\mp} π^{\pm}$ decays using a partial reconstruction technique

S. Bahinipati, K. Trabelsi, K. Kinoshita

We report results on time-dependent CP asymmetries in $B \to D^{*\mp} π^{\pm}$ decays based on a data sample containing 657 {\times} $1 0^{6}$ $B B ˉ$ pairs collected with the Belle…

hep-ex2011★ 61 cited

Search for Lepton-Flavor-Violating tau Decays into a Lepton and a Vector Meson

Y. Miyazaki

We search for lepton-flavor-violating tau-> ell V^0 decays, where ell is an electron or muon and V^0 is one of the vector mesons rho^0, phi, omega, K*0 and K*0-bar. We use 854 fb^{…

hep-ex2010★ 14 cited

Measurements of Branching Fractions for B0 --> Ds+pi- and B0-bar --> Ds+K-

The Belle Collaboration, A. Das

We present improved measurements of the branching fractions for the decays B0 --> Ds+pi- and B0-bar --> Ds+K- using a data sample of 657x10^6 BB-bar events collected at the Y(4S) r…

hep-ex2010★ 22 cited

Measurement of eta eta production in two-photon collisions

S. Uehara, Y. Watanabe, H. Nakazawa +1

We report the first measurement of the differential cross section for the process gamma gamma --> eta eta in the kinematic range above the eta eta threshold, 1.096 GeV < W < 3.8 Ge…

hep-ex2010★ 18 cited

Search for B_{s}^{0}->hh Decays at the $Υ (5 S)$ Resonance

C. -C. Peng, P. Chang, the Belle Collaboration

We have searched for B_{s}^{0}->hh decays, where h stands for a charged or neutral kaon, or a charged pion. These results are based on a 23.6 fb^{-1} data sample collected with the…

hep-ex2010★ 76 cited

Evidence for B- -> tau- nu_bar with a Semileptonic Tagging Method

The Belle collaboration, K. Hara, T. Iijima

We present a measurement of the decay B- -> tau- nu_bar using a data sample containing 657 million BB_bar pairs collected at the Upsilon(4S) resonance with the Belle detector at th…

hep-ex2010★ 120 cited

Observation of B+ -> Dbar*0 tau+ nu_tau and Evidence for B+ -> Dbar^0 tau+ nu_tau at Belle

A. Bozek, M. Rozanska et al.

We present measurements of B+ -> Dbar*0 tau+ nu_tau and B+ -> Dbar^0 tau+ nu_tau decays in a data sample of 657 x 10^6 BBbar pairs collected with the Belle detector at the KEKB asy…

hep-ex2010★ 60 cited

RENO: An Experiment for Neutrino Oscillation Parameter theta_13 Using Reactor Neutrinos at Yonggwang

RENO Collaboration, J. K. Ahn

The RENO experiment is a short baseline neutrino experiment in Korea aiming to measure the neutrino mixing angle theta_13 or set limit to sin^2(2 theta_13) less than 0.02. This doc…

hep-ex2010★ 18 cited

Search for Lepton Flavor Violating tau- Decays into \ell-K0s and \ell-K0sK0s

Y. Miyazaki

We have searched for the lepton-flavor-violating decays tau- -> ell-K0s and ell-K0sK0s (ell = e or mu), using a data sample of 671 fb^-1 collected with the Belle detector at the KE…

hep-ex2010★ 28 cited

Measurement of Y(5S) decays to B^0 and B^+ mesons

A. Drutskoy

Decays of the Y(5S) resonance to channels with B^+ and B^0 mesons are studied using a 23.6 fb^{-1} data sample collected with the Belle detector at the KEKB asymmetric-energy e^+ e…

hep-ex2010★ 125 cited

Evidence for direct CP violation in the decay B->D(*)K, D->KsPi+Pi- and measurement of the CKM phase phi3

The Belle Collaboration, A. Poluektov, A. Bondar +1

We present a new measurement of the unitarity triangle angle phi3 using a Dalitz plot analysis of the KsPi+Pi- decay of the neutral D meson produced in B->D(*)K decays. The method…

hep-ex2010

Measurement of the branching fractions for $B^{0} \to D_{s}^{+} π^{-}$ and $B^{0} \to D_{s}^{-} K^{+}$ decays

Belle Collaboration

We present a study of $B^{0} \to D_{s}^{*+} π^{-}$ and $B^{0} \to D_{s}^{*-} K^{+}$ decays based on a sample of $657 \times 1 0^{6}$ $B B ˉ$ events collected with the Belle detector at the KEKB…

hep-ex2010★ 42 cited

Search for CP violation in the decays $D_{(s)}^{+} \to K_{S}^{0} π^{+}$ and $D_{(s)}^{+} \to K_{S}^{0} K^{+}$

B. R. Ko, E. Won

We have searched for CP violation in the charmed meson decays $D_{(s)}^{+} \to K_{S}^{0} π^{+}$ and $D_{(s)}^{+} \to K_{S}^{0} K^{+}$ using 673 fb $^{- 1}$ of data collected with the Belle detector…

hep-ex2009★ 11 cited

Observation of B+ to p Lambdabar pi+ pi- at Belle

P. Chen, M. -Z. Wang

We study charmless $B^{+}$ meson decays to the $p Λ ˉ π^{+} π^{-}$ final state using a $605 fb^{- 1}$ data sample collected at the $Υ (4 S)$ resonance with the Belle detector at the…