Y. Kwon

activity

19942026

most citedObservation of Large CP Violation in the Neutral B Meson System

625 citations · 4.7k across the 55 of their papers we have counts for

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23 papers · 1 filter

hep-ex2026

Study of $e^{+} e^{-} \to π^{+} π^{-} Υ (1 D)$ at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +404

The bottomonium spectrum, consisting of bound states of a $b$ quark and an anti- $b$ quark, provides an excellent laboratory for probing quantum chromodynamics in the non-pertur…

hep-ex2021

Rediscovery of $B^{0} \to J / ψ K_{L}^{0}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +545

We present preliminary results on the reconstruction of the $B^{0} \to J / ψ K_{L}^{0}$ decay, where $J / ψ \to μ^{+} μ^{-}$ or $e^+e…

hep-ex2021

Measurement of the time-integrated mixing probability $χ_{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Belle II Collaboration, F. Abudinén, I. Adachi +550

We present the first measurement of the time-integrated mixing probability $χ_{d}$ using Belle II data collected at a center-of-mass (CM) energy of 10.58 GeV, corresponding to the ma…

hep-ex2017★ 23 cited

Search for $Λ_{c}^{+} \to ϕp π^{0}$ and branching fraction measurement of $Λ_{c}^{+} \to K^{-} π^{+} p π^{0}$

Belle Collaboration, B. Pal, A. J. Schwartz +154

We have searched for the Cabibbo-suppressed decay $Λ_{c}^{+} \to ϕp π^{0}$ in $e^{+} e^{-}$ collisions using a data sample corresponding to an integrated luminosity of 915 $f b^{- 1}$ . The dat…

hep-ex2014★ 427 cited

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

hep-ex2013★ 13 cited

Measurement of $e^{+} e^{-} \to ω π^{0}$ , $K^{} (892) K ˉ$ and $K_{2}^{} (1430) K ˉ$ at $s$ near 10.6 GeV

Belle Collaboration, C. P. Shen, C. Z. Yuan +161

Using data samples of 89 fb $^{- 1}$ , 703 fb $^{- 1}$ , and 121 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energies 10…

hep-ex2012★ 178 cited

Evidence for B- -> tau- nu_tau-bar with a Hadronic Tagging Method Using the Full Data Sample of Belle

Belle Collaboration, K. Hara, Y. Horii +179

We measure the branching fraction of B- -> tau- nu_tau-bar using the full Upsilon(4S) data sample containing 772*10^6 BBbar pairs collected with the Belle detector at the KEKB asym…

hep-ex2011★ 52 cited

Evidence for the Suppressed Decay B- -> DK-, D -> K+pi-

Belle Collaboration, Y. Horii, K. Trabelsi +143

The suppressed decay chain B- -> DK-, D -> K+pi-, where D indicates a anti-D0 or D0 state, provides important information on the CP-violating angle phi_3. We measure the ratio R_{D…

hep-ex2010★ 39 cited

Measurement of $e^{+} e^{-} \to D_{s}^{() +} D_{s}^{() -}$ cross sections near threshold using initial-state radiation

G. Pakhlova et al.

We report a measurement of exclusive $e^{+} e^{-} \to D_{s}^{(*) +} D_{s}^{(*) -}$ cross sections as a function of center-of-mass energy near $D_{s}^{(*) +} D_{s}^{(*) -}$ threshold with initial-sta…

hep-ex2010★ 276 cited

Physics at Super B Factory

T. Aushev, W. Bartel, A. Bondar +70

This report presents the results of studies that investigate the physics reach at a Super $B$ factory, an asymmetric-energy $e^{+} e^{-}$ collider with a design luminosity of $8 \times…

hep-ex2008★ 14 cited

Measurement of $B^{0} \to π^{+} π^{-} π^{+} π^{-}$ Decays and Search for $B^{0} \to ρ^{0} ρ^{0}$

The Belle Collaboration, C. -C. Chiang

We report on a search for the decay $B^{0} \to ρ^{0} ρ^{0}$ and other charmless modes with a $π^{+} π^{-} π^{+} π^{-}$ final state, including $B^{0} \to ρ^{0} π^{+} π^{-}$ , non-resonant $B^{0} \to 4 π^{\pm}$ , $B^0\to…

hep-ex2007★ 66 cited

Search for Lepton Flavor Violating tau Decays into Three Leptons

Y. Miyazaki

We search for lepton-flavor-violating tau decays into three leptons (electron or muon) using 535 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- c…

hep-ex2007★ 180 cited

Observation of anomalous Upsilon(1S)pi+pi- and Upsilon(2S)pi+pi- production near the Upsilon(5S) resonance

The Belle Collaboration, K. -F. Chen, W. -S. Hou +2

We report the first observation of e+e- -> Upsilon(1S)pi+pi-, Upsilon(2S)pi+pi-, and first evidence for e+e- -> Upsilon(3S)pi+pi-, Upsilon(1S)K+K-, near the peak of the Upsilon(5S)…

hep-ex2004★ 265 cited

Physics at Super B Factory

A. G. Akeroyd, W. Bartel, A. Bondar +41

This report presents the results of studies that investigate the physics reach at a Super B factory, an asymmetric-energy e^+e^- collider with a design luminosity of 5 x 10^35 cm^-…

hep-ex2002★ 19 cited

A Detailed Monte-Carlo Simulation for the Belle TOF System

J. W. Nam, Y. I. Choi, D. W. Kim +14

We have developed a detailed Monte Carlo simulation program for the Belle TOF system. Based on GEANT simulation, it takes account of all physics processes in the TOF scintillation…

hep-ex2002★ 85 cited

Study of three-body charmless B decays

A. Garmash

We report on a study of three-body charmless decays B+ => K+h+h-$ based on a 29.1 fb^{-1} data sample collected with the Belle detector. With no assumptions on the intermediate mec…

hep-ex2001★ 2 cited

Physics at the B Factories

T. E. Browder

We review recent progress at the two $e^{+} e^{-}$ B factories. The first measurement of CP violation and the prospects for measuring all the angles of the unitarity triangle are discu…

hep-ex2001★ 625 cited

Observation of Large CP Violation in the Neutral B Meson System

K. Abe, The Belle Collaboration

We present a measurement of the Standard Model CP violation parameter sin 2phi_1 based on a 29.1 fb^{-1} data sample collected at the Upsilon(4S) resonance with the Belle detector…

hep-ex2001★ 81 cited

Measurement of Branching Fractions for B->ππ, Kπand KK Decays

K. Abe

We report measurements of the branching fractions for $B^{0} \to π^{+} π^{-}$ , $K^{+} π^{-}$ , $K^{+} K^{-}$ and $K^{0} π^{0}$ , and $B^{+} \to π^{+} π^{0}$ , $K^{+} π^{0}$ , $K^{0} π^{+}$ and $K^{+} K ˉ^{0}$ . The results are…

hep-ex2000

Search for Direct CP Violation in $Ξ$ Hyperon Decay

D. E. Jaffe, CLEO Collaboration

Using data collected with the CLEO II detector we have performed a search for direct CP violation in the $Ξ$ hyperon system. CP violation gives rise to an asymmetry, A, between the…

hep-ex2000★ 34 cited

Search for CP violation in D0 and D+ decays

The FOCUS collaboration

A high statistics sample of photoproduced charm particles from the FOCUS (E831) experiment at Fermilab has been used to search for CP violation in the Cabibbo suppressed decay mode…

hep-ex2000★ 11 cited

Measurement of B(/\c->pKpi)

D. E. Jaffe

The /\c->pKpi yield has been measured in a sample of two-jet continuum events containing a both an anticharm tag (Dbar) as well as an antiproton (e+e- -> Dbar pbar X), with the ant…

hep-ex1997★ 7 cited

Measurement of the Branching Fractions of $Λ_{c}^{+} \to p K ˉ n (π)$

CLEO Collaboration, M. S. Alam et al

Using data recorded by the CLEO-II detector at CESR, we report new measurements of the branching fractions for the decays of the charmed baryon $Λ_{c}^{+}$ into $p K^{-} π^{+} π^{0}$ , $p\bar{K}…

Study of e+e−→π+π−Υ(1D) at Belle II

Rediscovery of B0→J/ψKL0​ at Belle II

Measurement of the time-integrated mixing probability χd​ with a semileptonic double-tagging strategy and 34.6fb−1 of Belle II collision data

Search for Λc+​→ϕpπ0 and branching fraction measurement of Λc+​→K−π+pπ0

The Physics of the B Factories

Measurement of e+e−→ωπ0, K∗(892)Kˉ and K2∗​(1430)Kˉ at s​ near 10.6 GeV

Evidence for B- -> tau- nu_tau-bar with a Hadronic Tagging Method Using the Full Data Sample of Belle

Evidence for the Suppressed Decay B- -> DK-, D -> K+pi-

Measurement of e+e−→Ds(∗)+​Ds(∗)−​ cross sections near threshold using initial-state radiation

Physics at Super B Factory

Measurement of B0→π+π−π+π− Decays and Search for B0→ρ0ρ0

Search for Lepton Flavor Violating tau Decays into Three Leptons

Observation of anomalous Upsilon(1S)pi+pi- and Upsilon(2S)pi+pi- production near the Upsilon(5S) resonance

Physics at Super B Factory

A Detailed Monte-Carlo Simulation for the Belle TOF System

Study of three-body charmless B decays

Physics at the B Factories

Observation of Large CP Violation in the Neutral B Meson System

Measurement of Branching Fractions for B->ππ, Kπand KK Decays

Search for Direct CP Violation in Ξ Hyperon Decay

Search for CP violation in D0 and D+ decays

Measurement of B(/\c->pKpi)

Measurement of the Branching Fractions of Λc+​→pKˉn(π)

Study of $e^{+} e^{-} \to π^{+} π^{-} Υ (1 D)$ at Belle II

Rediscovery of $B^{0} \to J / ψ K_{L}^{0}$ at Belle II

Measurement of the time-integrated mixing probability $χ_{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Search for $Λ_{c}^{+} \to ϕp π^{0}$ and branching fraction measurement of $Λ_{c}^{+} \to K^{-} π^{+} p π^{0}$

Measurement of $e^{+} e^{-} \to ω π^{0}$ , $K^{} (892) K ˉ$ and $K_{2}^{} (1430) K ˉ$ at $s$ near 10.6 GeV

Measurement of $e^{+} e^{-} \to D_{s}^{() +} D_{s}^{() -}$ cross sections near threshold using initial-state radiation

Measurement of $B^{0} \to π^{+} π^{-} π^{+} π^{-}$ Decays and Search for $B^{0} \to ρ^{0} ρ^{0}$

Search for Direct CP Violation in $Ξ$ Hyperon Decay

Measurement of the Branching Fractions of $Λ_{c}^{+} \to p K ˉ n (π)$