P. Chang

activity

20002019

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

625 citations · 2.9k across the 39 of their papers we have counts for

collaborators

39 papers

hep-ex2019★ 58 cited

Measurements of two-particle correlations in $e^{+} e^{-}$ collisions at 91 GeV with ALEPH archived data

Anthony Badea, Austin Baty, Paoti Chang +7

Measurements of two-particle angular correlations of charged particles emitted in hadronic $Z$ decays are presented. The archived $e^{+} e^{-}$ annihilation data at a center-of-mass ene…

hep-ex2019★ 40 cited

Search for supersymmetry with a compressed mass spectrum in the vector boson fusion topology with 1-lepton and 0-lepton final states in proton-proton collisions at $s =$ 13 TeV

CMS Collaboration

A search for supersymmetric particles produced in the vector boson fusion topology in proton-proton collisions is presented. The search targets final states with one or zero lepton…

hep-ex2015★ 38 cited

Measurements of the ZZ production cross sections in the 2 l 2 nu channel in proton-proton collisions at sqrt(s) = 7 and 8 TeV and combined constraints on triple gauge couplings

CMS Collaboration

Measurements of the ZZ production cross sections in proton-proton collisions at center-of-mass energies of 7 and 8 TeV are presented. Candidate events for the leptonic decay mode Z…

nucl-ex2014★ 57 cited

Study of Z production in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV in the dimuon and dielectron decay channels

CMS Collaboration

The production of Z bosons is studied in the dimuon and dielectron decay channels in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV, using data collected by the CMS experiment at…

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★ 66 cited

Measurements of branching fractions of leptonic and hadronic Ds+ meson decays and extraction of the Ds+ meson decay constant

A. Zupanc, I. Adachi, H. Aihara +169

We present measurements of absolute branching fractions of hadronic and leptonic Ds+ decays to K- K+ pi+, anti-K0 K+, eta pi+, mu+ nu_mu and tau+ nu_tau and report a search for the…

hep-ex2013★ 177 cited

Search for supersymmetry in hadronic final states with missing transverse energy using the variables AlphaT and b-quark multiplicity in pp collisions at 8 TeV

CMS Collaboration

An inclusive search for supersymmetric processes that produce final states with jets and missing transverse energy is performed in pp collisions at a centre-of-mass energy of 8 TeV…

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-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★ 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

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★ 149 cited

Observation of a charmonium-like enhancement in the gamma gamma --> omega J/psi process

The Belle Collaboration, S. Uehara

We report the results of a search for a charmonium-like state produced in the process gamma gamma --> omega J/psi in the 3.9-4.2 GeV/c^2 mass region. We observe a significant enhan…

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…

hep-ex2009★ 80 cited

Measurement of the e+e- --> D0D*-pi+ cross section using initial-state radiation

Belle Collaboration, G. Pakhlova

We report measurements of the exclusive cross section for e+e- --> D0D*-pi+ as function of center-of-mass energy from the D0D*-pi+ threshold to 5.2 GeV with initial-state radiation…

hep-ex2009★ 85 cited

High-statistics study of ${\boldmath ηπ^0}$ production in two-photon collisions

S. Uehara

The differential cross section for the process $γ γ \to η π^{0}$ has been measured in the kinematic range $0.84 \GeV < W < 4.0 \GeV$, $∣ cos θ^{*} ∣ < 0.8$ , where $W$ and $θ^{*}$ are the energ…

hep-ex2008★ 5 cited

Observation of $B^{\pm} \to ψ (2 S) π^{\pm}$ and search for direct CP-violation

V. Bhardwaj, R. Kumar, J. B. Singh

We report the first observation of $B^{\pm} \to ψ (2 S) π^{\pm}$ , a Cabibbo- and color-suppressed decay. This analysis is based on $657 \times 1 0^{6}$ $B B$ events collected at t…

hep-ex2008★ 67 cited

Study of Ω_c^0 and Ω_c^{*0} Baryons at Belle

E. Solovieva, R. Chistov

We report results from a study of the charmed double strange baryons Ω_c^0 and Ω_c^{*0} at Belle. The Ω_c^0 is reconstructed using the Ω_c^0 --> Ω^- π^+ decay mode, and its mass is…

hep-ex2008★ 78 cited

Measurement of CP asymmetry in Cabibbo suppressed D0 decays

M. Staric

We measure the CP-violating asymmetries in decays to the D0 -> K+K- and D0 -> pi+pi- CP eigenstates using 540 fb^{-1} of data collected with the Belle detector at or near the Upsil…

hep-ex2007★ 19 cited

Improved measurement of time-dependent CP violation in B0 -> J/Psi pi0 decays

S. E. Lee, K. Miyabayashi

We report improved measurements of time-dependent CP violation parameters for $B^{0} (B ˉ^{0}) \to J / ψ π^{0}$ decay. This analysis is based on 535 million $B B ˉ$ pairs accumulated…

hep-ex2007★ 60 cited

Search for B -> h(*) nu nubar Decays at Belle

K. -F. Chen

We present a search for the rare decays B -> h(*) nu nubar, where h(*) stands for a light meson. A data sample of 535 million BBbar pairs collected with the Belle detector at the K…

hep-ex2007★ 14 cited

Improved measurement of B0bar --> Ds-D+ and search for B0bar --> Ds+Ds- at Belle

A. Zupanc

We reconstruct B0bar --> Ds-D+ decays using a sample of 449 x 10^6 BBbar pairs recorded by the Belle experiment, and measure the branching fraction to be Br(B0bar --> Ds-D+)=[7.5 +…

Measurements of two-particle correlations in e+e− collisions at 91 GeV with ALEPH archived data

Search for supersymmetry with a compressed mass spectrum in the vector boson fusion topology with 1-lepton and 0-lepton final states in proton-proton collisions at s​= 13 TeV

Measurements of the ZZ production cross sections in the 2 l 2 nu channel in proton-proton collisions at sqrt(s) = 7 and 8 TeV and combined constraints on triple gauge couplings

Study of Z production in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV in the dimuon and dielectron decay channels

The Physics of the B Factories

Measurements of branching fractions of leptonic and hadronic Ds+ meson decays and extraction of the Ds+ meson decay constant

Search for supersymmetry in hadronic final states with missing transverse energy using the variables AlphaT and b-quark multiplicity in pp collisions at 8 TeV

Search for B -> phi pi decays

Measurement of eta eta production in two-photon collisions

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

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

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

Measurement of the branching fractions for B0→Ds∗+​π− and B0→Ds∗−​K+ decays

Search for CP violation in the decays D(s)+​→KS0​π+ and D(s)+​→KS0​K+

Observation of a charmonium-like enhancement in the gamma gamma --> omega J/psi process

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

Measurement of the e+e- --> D0D*-pi+ cross section using initial-state radiation

High-statistics study of ${\boldmath ηπ^0}$ production in two-photon collisions

Observation of B±→ψ(2S)π± and search for direct CP-violation

Study of Ω_c^0 and Ω_c^{*0} Baryons at Belle

Measurement of CP asymmetry in Cabibbo suppressed D0 decays

Improved measurement of time-dependent CP violation in B0 -> J/Psi pi0 decays

Search for B -> h(*) nu nubar Decays at Belle

Improved measurement of B0bar --> Ds-D+ and search for B0bar --> Ds+Ds- at Belle

Measurements of two-particle correlations in $e^{+} e^{-}$ collisions at 91 GeV with ALEPH archived data

Search for supersymmetry with a compressed mass spectrum in the vector boson fusion topology with 1-lepton and 0-lepton final states in proton-proton collisions at $s =$ 13 TeV

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

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

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

Observation of $B^{\pm} \to ψ (2 S) π^{\pm}$ and search for direct CP-violation