P. Chang

activity

20072023

most citedTest of lepton-flavor universality in

B \to K^{*} ℓ^{+} ℓ^{-}

decays at Belle

170 citations · 467 across the 13 of their papers we have counts for

collaborators

14 papers

hep-ex2023★ 1 cited

Analysis note: two-particle correlation in $e^{+} e^{-}$ collisions at 91-209 GeV with archived ALEPH data

Yu-Chen Chen, Yen-Jie Lee, Yi Chen +5

The first measurement of two-particle angular correlations for charged particles produced in $e^{+} e^{-}$ annihilation up to $s$ = 209 GeV is presented. Hadronic $e^{+} e^{-}$ data,…

hep-ex2022

First measurement of anti-k $_{T}$ jet spectra and jet substructure using the archived ALEPH $e^{+} e^{-}$ data at 91.2 GeV

Yi Chen, Austin Baty, Dennis Perepelitsa +7

We present the first anti-k $_{T}$ jet spectrum and substructure measurements using the archived ALEPH $e^{+} e^{-}$ data taken in 1994 at a center of mass energy of $s = 91.2$ Ge…

hep-ex2022

Two-particle azimuthal correlations in $e^{+} e^{-}$ collisions at 91--209 GeV with archived ALEPH data at LEP-2

Yen-Jie Lee, Yu-Chen Chen, Yi Chen +2

We present the first measurement of two-particle angular correlations of charged particles produced in $e^{+} e^{-}$ annihilation up to $s =$ 209 GeV. This analysis utilized the a…

hep-ex2021★ 8 cited

Jet energy spectrum and substructure in $e^{+} e^{-}$ collisions at 91.2 GeV with ALEPH Archived Data

Yi Chen, Anthony Badea, Austin Baty +10

The first measurements of energy spectra and substructure of anti- $k_{T}$ jets in hadronic $Z^{0}$ decays in $e^{+} e^{-}$ collisions are presented. The archived $e^{+} e^{-}$ annihilation dat…

hep-ex2021★ 2 cited

Analysis note: jet reconstruction, energy spectra, and substructure analyses with archived ALEPH data

Yi Chen, Yen-Jie Lee, Marcello Maggi +4

The first measurements of anti- $k_{T}$ jet energy spectrum and substructure in hadronic $Z$ decays are presented. The archived $e^{+} e^{-}$ annihilation data at a center-of-mass energy…

hep-ex2019★ 170 cited

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of $R_{K^{*}}$ , the branching fraction ratio $B (B \to K^{*} μ^{+} μ^{-})$ / $B (B \to K^{*} e^{+} e^{-})$ , for both charged and neutral $B$ meso…

hep-ex2016

Lepton-Flavor-Dependent Angular Analysis of $B \to K^{*} ℓ^{+} ℓ^{-}$

Belle Collaboration, S. Wehle, C. Niebuhr +200

We present a measurement of angular observables and a test of lepton flavor universality in the $B \to K^{*} ℓ^{+} ℓ^{-}$ decay, where $ℓ$ is either $e$ or $μ$ . The analysis is…

hep-ex2016★ 14 cited

Measurement of $C P$ asymmetry in the $D^{0} \to K_{S}^{0} K_{S}^{0}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a measurement of the time-integrated $C P$ asymmetry in the neutral charm meson decay $D^{0} \to K_{S}^{0} K_{S}^{0}$ using 921~fb $^{- 1}$ data collected at the $Υ (4 S)$ and $Υ (5 S)$ r…

hep-ex2016★ 3 cited

Study of χ_{bJ}(1P) Properties in the Radiative Υ(2S) Decays

A. Abdesselam, I. Adachi, K. Adamczyk +444

We report a study of radiative decays of χ_{bJ}(1P)(J=0,1,2) mesons into 74 hadronic final states comprising charged and neutral pions, kaons, protons; out of these, 41 modes are o…

hep-ex2013

Search for B0 to p Lambdabar pi- gamma at Belle

Y. -T. Lai, M. -Z. Wang, I. Adachi +148

We search for the charmless B^0 decay with final state particles p Lambdabar pi^- gamma using the full data sample that contains 772 * 10^6 B Bar pairs collected at the Upsilon(4S)…

hep-ex2013★ 14 cited

Evidence for the suppressed decay B^- -> DK^-, D -> K^+π^-π^0

Belle Collaboration, M. Nayak, J. Libby +158

We report a study of the suppressed decay B^- -> DK^-, D -> K^+π^-π^0, where D denotes either a D^0 or a \bar{D}^0 meson. The decay is sensitive to the CP-violating parameter ϕ_3.…

hep-ex2013★ 13 cited

Evidence for Semileptonic B- to p pbar l nubar Decays

K. -J. Tien, M. -Z. Wang, I. Adachi +166

We find evidence for the semileptonic baryonic decay $B^{-} \to p p ˉ ℓ^{-} ν ˉ_{ℓ}$ ( $ℓ = e, μ$ ), based on a data sample of 772 million $B B ˉ$ pairs collected at the $Υ (4 S)$ r…

hep-ex2013★ 119 cited

Search for B -> h(*) nu nubar with the full Belle Y(4S) data sample

O. Lutz, S. Neubauer, M. Heck +173

We report a search for the rare decays B -> h(*) nu nubar, where h(*) stands for K+, Ks0, K*+, K*0, pi+, pi0, rho+, rho0 and phi. The results are obtained from a 711 fb-1 data samp…

hep-ex2007★ 123 cited

Measurement of D0-D0bar mixing in D0->Ks pi+ pi- decays

L. M. Zhang

We report a measurement of D0-D0bar mixing in D0->Ks pi+ pi- decays using a time-dependent Dalitz plot analysis. We first assume CP conservation and subsequently allow for CP viola…

Analysis note: two-particle correlation in e+e− collisions at 91-209 GeV with archived ALEPH data

First measurement of anti-kT​ jet spectra and jet substructure using the archived ALEPH e+e− data at 91.2 GeV

Two-particle azimuthal correlations in e+e− collisions at 91--209 GeV with archived ALEPH data at LEP-2

Jet energy spectrum and substructure in e+e− collisions at 91.2 GeV with ALEPH Archived Data