K. Park

activity

20032026

most citedThe Physics of the B Factories

427 citations · 579 across the 15 of their papers we have counts for

collaborators

14 papers

hep-ex2026

Searches for charged-lepton-flavor violation in $χ_{b J} (1 P)$ decays

Belle, Belle II Collaborations, : +415

We report the first searches for charged-lepton-flavor violation in decays of $χ_{b J} (1 P)$ ( $J = 0, 1,$ and $2$ ) to a pair of charged leptons using 158 million $Υ (2 S)$ decays collect…

hep-ex2025★ 1 cited

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to π^{0} π^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, Y. Ahn +372

We measure the time-integrated $C P$ asymmetry, $A_{C P}$ , in $D^{0} \to π^{0} π^{0}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ events collected by Belle II during 2019--2022. The data cor…

hep-ex2025★ 1 cited

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays using opposite-side flavor tagging at Belle and Belle II

Belle, Belle II Collaborations, : +378

We measure the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays reconstructed in $e^{+} e^{-} \to c c$ events collected by the Belle and Belle II exp…

hep-ex2025

Measurements of the branching fractions of $Ξ_{c}^{+} \to Σ^{+} K_{S}^{0}$ , $Ξ_{c}^{+} \to Ξ^{0} π^{+}$ , and $Ξ_{c}^{+} \to Ξ^{0} K^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +357

Using 983.0 $fb^{- 1}$ and 427.9 $fb^{- 1}$ data samples collected with the Belle and Belle II detectors at the KEKB and SuperKEKB asymmetric energy $e^{+} e^{-}$ colliders, res…

nucl-ex2025★ 8 cited

Observation of $Λ$ hyperon local polarization in pPb collisions at $s_{NN}$ = 8.16 TeV

CMS Collaboration

The polarization of the $Λ$ and $Λ$ hyperons along the beam direction has been measured in proton-lead (pPb) collisions at a center-of-mass energy per nucleon pair of 8.16…

nucl-ex2025★ 6 cited

Evidence for similar collectivity of high transverse momentum particles in pPb and PbPb collisions

CMS Collaboration

Charged hadron elliptic anisotropies ( $v_{2}$ ) are presented over a wide transverse momentum ( $p_{T}$ ) range for proton-lead (pPb) and lead-lead (PbPb) collisions at nucleon-nuc…

hep-ex2024★ 5 cited

Observations of the singly Cabibbo-suppressed decays $Ξ_{c}^{+} \to p K_{S}^{0}$ , $Ξ_{c}^{+} \to Λ π^{+}$ , and $Ξ_{c}^{+} \to Σ^{0} π^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +345

Using data samples of 983.0~ $f b^{- 1}$ and 427.9~ $f b^{- 1}$ accumulated with the Belle and Belle~II detectors operating at the KEKB and SuperKEKB asymmetric-energy $e^{+} e^{-}$ c…

hep-ex2024★ 2 cited

Observation of the decay $B^{0} \to J / ψ ω$ at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +383

We measure the branching fraction of the decay $B^{0} \to J / ψ ω$ using data collected with the Belle II detector at the SuperKEKB collider. The data contain $(387 \pm 6) \times 1 0^{6}$ …

hep-ex2024★ 6 cited

Reweighting simulated events using machine-learning techniques in the CMS experiment

CMS Collaboration

Data analyses in particle physics rely on an accurate simulation of particle collisions and a detailed simulation of detector effects to extract physics knowledge from the recorded…

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-ex2007★ 13 cited

Observation of the Decay \bar{B0}-> Ds+ Lambda \bar{p}

T. Medvedeva, R. Chistov

We report the first observation of the decay \bar{B0} -> D_s^+ Lambda \bar{p} with a statistical significance of 6.6 sigma. We measure Br(\bar{B0} -> Ds+ Lambda \bar{p}) = (2.9 \pm…

hep-ex2006★ 54 cited

Moments of the electron energy spectrum and partial branching fraction of $B \to X_{c} e ν$ decays at Belle

P. Urquijo

We report a measurement of the inclusive electron energy spectrum for charmed semileptonic decays of B mesons in a 140fb-1 data sample collected at the Υ(4S) resonance with the Bel…

hep-ex2003★ 40 cited

Measurement of |V_ub| using inclusive B -> X_u l nu decays with a novel X_u-reconstruction method

H. Kakuno

We report the measurement of an inclusive partial branching fraction for charmless semileptonic B decay and the extraction of |V_ub|. Candidates for B -> X_u l nu are identified wi…

hep-ex2003★ 11 cited

Improved Measurement of the Partial-Rate CP Asymmetry in B+ -> K0pi+ and B- -> K0bar pi- Decays

Y. Unno, K. Suzuki

We report an improved measurement of the partial-rate CP asymmetry in B+ => K0pi+ and B- => K0bar pi- decays. The analysis is based on a data sample of 85 million BBbar pairs colle…

Searches for charged-lepton-flavor violation in χbJ​(1P) decays

Measurement of the time-integrated CP asymmetry in D0→π0π0 decays at Belle II

Measurement of the time-integrated CP asymmetry in D0→KS0​KS0​ decays using opposite-side flavor tagging at Belle and Belle II

Measurements of the branching fractions of Ξc+​→Σ+KS0​, Ξc+​→Ξ0π+, and Ξc+​→Ξ0K+ at Belle and Belle II

Observation of Λ hyperon local polarization in pPb collisions at sNN​​ = 8.16 TeV

Evidence for similar collectivity of high transverse momentum particles in pPb and PbPb collisions

Observations of the singly Cabibbo-suppressed decays Ξc+​→pKS0​, Ξc+​→Λπ+, and Ξc+​→Σ0π+ at Belle and Belle II

Observation of the decay B0→J/ψω at Belle II

Reweighting simulated events using machine-learning techniques in the CMS experiment

The Physics of the B Factories

Observation of the Decay \bar{B0}-> Ds+ Lambda \bar{p}

Moments of the electron energy spectrum and partial branching fraction of B→Xc​eν decays at Belle

Measurement of |V_ub| using inclusive B -> X_u l nu decays with a novel X_u-reconstruction method

Improved Measurement of the Partial-Rate CP Asymmetry in B+ -> K0pi+ and B- -> K0bar pi- Decays

Searches for charged-lepton-flavor violation in $χ_{b J} (1 P)$ decays

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to π^{0} π^{0}$ decays at Belle II

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays using opposite-side flavor tagging at Belle and Belle II

Measurements of the branching fractions of $Ξ_{c}^{+} \to Σ^{+} K_{S}^{0}$ , $Ξ_{c}^{+} \to Ξ^{0} π^{+}$ , and $Ξ_{c}^{+} \to Ξ^{0} K^{+}$ at Belle and Belle II

Observation of $Λ$ hyperon local polarization in pPb collisions at $s_{NN}$ = 8.16 TeV

Observations of the singly Cabibbo-suppressed decays $Ξ_{c}^{+} \to p K_{S}^{0}$ , $Ξ_{c}^{+} \to Λ π^{+}$ , and $Ξ_{c}^{+} \to Σ^{0} π^{+}$ at Belle and Belle II

Observation of the decay $B^{0} \to J / ψ ω$ at Belle II

Moments of the electron energy spectrum and partial branching fraction of $B \to X_{c} e ν$ decays at Belle