P. Chang

activity

19962026

most citedObservation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC

10.1k citations · 51.3k across the 542 of their papers we have counts for

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490 papers · 1 filter

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-ex2024★ 1 cited

Measurement of the B $_{s}^{0}$ $\to$ J/ $ψ$ K $_{S}^{0}$ effective lifetime from proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

The effective lifetime of the B $_{s}^{0}$ meson in the decay B $_{s}^{0}$ $\to$ J/ $ψ$ K $_{S}^{0}$ is measured using data collected during 2016-2018 with the CMS detect…

hep-ex2024★ 2 cited

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays based on a data sample of $(388 \pm 6) \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ …

hep-ex2024★ 5 cited

Measurement of boosted Higgs bosons produced via vector boson fusion or gluon fusion in the H $\to$ $b b ˉ$ decay mode using LHC proton-proton collision data at $s$ = 13 TeV

CMS Collaboration

A measurement is performed of Higgs bosons produced with high transverse momentum ( $p_{T}$ ) via vector boson or gluon fusion in proton-proton collisions. The result is based…

hep-ex2024★ 24 cited

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment

The Belle II Collaboration, I. Adachi, L. Aggarwal +404

A series of data samples was collected with the Belle~II detector at the SuperKEKB collider from March 2019 to June 2022. We determine the integrated luminosities of these data sam…

hep-ex2024★ 2 cited

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +404

We present measurements of the branching fractions of eight $B^{0} \to D^{(*) +} K^{-} K_{(S)}^{(*) 0}$ , $B^{-} \to D^{(*) 0} K^{-} K_{(S)}^{(*) 0}$ decay channels. The results are…

hep-ex2024★ 6 cited

Measurements of the branching fractions of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ and asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$

Belle, Belle II Collaborations, : +382

We present a study of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ decays using the Belle and Belle~II data samples, which have integrated lumi…

hep-ex2024★ 4 cited

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Belle, Belle II Collaborations, : +407

We report the result of a search for the rare decay $B^{0} \to γ γ$ using a combined dataset of $753 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle experiment and $387\times10…

hep-ex2024★ 9 cited

Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for Higgs boson pair (HH) production in association with a vector boson V (W or Z boson) is presented. The search is based on proton-proton collision data at a center-of-m…

hep-ex2024★ 8 cited

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +360

We report a measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range from 0.62 to 3.50 GeV using an initial-state radiation technique. We use an $e^{+} e^{-}$ data sa…

hep-ex2024★ 3 cited

Measurement of differential ZZ + jets production cross sections in pp collisions at $s$ = 13 TeV

CMS Collaboration

Diboson production in association with jets is studied in the fully leptonic final states, pp $\to$ (Z $γ^{*}$ )(Z/ $γ^{*}$ ) + jets $\to$ 2 $ℓ$ 2 $ℓ^{'}$ + jets, ( $ℓ, ℓ^{'}$ = e or $μ$ )…

hep-ex2024★ 7 cited

Search for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search is presented for the decay of the 125 GeV Higgs boson (H) to a pair of new light pseudoscalar bosons (a), followed by the prompt decay of each a boson to a bottom quark-an…

hep-ex2024★ 7 cited

Search for Higgs boson pair production in the $b b$ W $^{+}$ W $^{-}$ decay mode in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for Higgs boson pair (HH) production with one Higgs boson decaying to two bottom quarks and the other to two W bosons are presented. The search is done using proton-proton…

hep-ex2024★ 8 cited

Search for long-lived heavy neutrinos in the decays of B mesons produced in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for long-lived heavy neutrinos (N) in the decays of B mesons produced in proton-proton collisions at $s$ = 13 TeV is presented. The data sample corresponds to an in…

hep-ex2024★ 25 cited

Search for heavy neutral leptons in final states with electrons, muons, and hadronically decaying tau leptons in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for heavy neutral leptons (HNLs) of Majorana or Dirac type using proton-proton collision data at $s$ = 13 TeV is presented. The data were collected by the CMS exper…

hep-ex2024

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +399

We describe a measurement of charge-parity ( $C P$ ) violation asymmetries in $B^{0} \to η^{'} K_{S}^{0}$ decays using Belle II data. We consider $η^{'} \to η (\to γ γ) π^{+} π^{-}$ and $η^{'} \to ρ (\to π^{+} π^{-}) γ$ de…

hep-ex2023★ 9 cited

Measurement of the primary Lund jet plane density in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A measurement is presented of the primary Lund jet plane (LJP) density in inclusive jet production in proton-proton collisions. The analysis uses 138 fb $^{- 1}$ of data collected by…

hep-ex2023★ 9 cited

Search for long-lived heavy neutral leptons with lepton flavour conserving or violating decays to a jet and a charged lepton

CMS Collaboration

A search for long-lived heavy neutral leptons (HNLs) is presented, which considers the hadronic final state and coupling scenarios involving all three lepton generations in the 2-2…

hep-ex2023★ 10 cited

First Measurement of $R (X_{τ / ℓ})$ as an Inclusive Test of the $b \to c τ ν$ Anomaly

Belle II Collaboration, I. Adachi, K. Adamczyk +390

We measure the tau-to-light-lepton ratio of inclusive $B$ -meson branching fractions $R (X_{τ / ℓ}) \equiv B (B \to X τ ν) / B (B \to X ℓ ν)$ , where $ℓ$ indicate…

hep-ex2023★ 1 cited

Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for W' bosons decaying to a top and a bottom quark in final states including an electron or a muon is performed with the CMS detector at the LHC. The analyzed data corresp…

hep-ex2023★ 7 cited

Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for a new boson X is presented using CERN LHC proton-proton collision data collected by the CMS experiment at $s$ = 13 TeV in 2016-2018, and corresponding to an int…

hep-ex2023★ 20 cited

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We determine the CKM matrix-element magnitude $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays reconstructed in $189 fb^{- 1}$ of collision data collec…

hep-ex2023★ 3 cited

Inclusive and differential cross section measurements of $t t ˉ b b ˉ$ production in the lepton+jets channel at $s$ = 13 TeV

CMS Collaboration

Measurements of inclusive and normalized differential cross sections of the associated production of top quark-antiquark and bottom quark-antiquark pairs, ttbb, are presented. The…

hep-ex2023★ 9 cited

Search for a third-generation leptoquark coupled to a $τ$ lepton and a b quark through single, pair, and nonresonant production in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search is presented for a third-generation leptoquark (LQ) coupled exclusively to a $τ$ lepton and a b quark. The search is based on proton-proton collision data at a center-of-m…

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

Measurement of the Bs0​ → J/ψKS0​ effective lifetime from proton-proton collisions at s​ = 13 TeV

Measurement of CP asymmetries in B0→KS0​π0γ decays at Belle II

Measurement of boosted Higgs bosons produced via vector boson fusion or gluon fusion in the H → bbˉ decay mode using LHC proton-proton collision data at s​ = 13 TeV

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment

Measurement of the branching fractions of Bˉ→D(∗)K−K(S)(∗)0​ and Bˉ→D(∗)Ds−​ decays at Belle II

Measurements of the branching fractions of Ξc0​→Ξ0π0, Ξc0​→Ξ0η, and Ξc0​→Ξ0η′ and asymmetry parameter of Ξc0​→Ξ0π0

Search for the decay B0→γγ using Belle and Belle II data

Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at s​ = 13 TeV

Measurement of the e+e−→π+π−π0 cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of differential ZZ + jets production cross sections in pp collisions at s​ = 13 TeV

Search for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at s​ = 13 TeV

Search for Higgs boson pair production in the bbW+W− decay mode in proton-proton collisions at s​ = 13 TeV

Search for long-lived heavy neutrinos in the decays of B mesons produced in proton-proton collisions at s​ = 13 TeV

Search for heavy neutral leptons in final states with electrons, muons, and hadronically decaying tau leptons in proton-proton collisions at s​ = 13 TeV

Measurement of CP asymmetries in B0→η′Ks0​ decays at Belle II

Measurement of the primary Lund jet plane density in proton-proton collisions at s​ = 13 TeV

Search for long-lived heavy neutral leptons with lepton flavour conserving or violating decays to a jet and a charged lepton

First Measurement of R(Xτ/ℓ​) as an Inclusive Test of the b→cτν Anomaly

Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at s​ = 13 TeV

Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at s​ = 13 TeV

Determination of ∣Vcb​∣ using B0→D∗+ℓ−νˉℓ​ decays with Belle II

Inclusive and differential cross section measurements of ttˉbbˉ production in the lepton+jets channel at s​ = 13 TeV

Search for a third-generation leptoquark coupled to a τ lepton and a b quark through single, pair, and nonresonant production in proton-proton collisions at s​ = 13 TeV

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

Measurement of the B $_{s}^{0}$ $\to$ J/ $ψ$ K $_{S}^{0}$ effective lifetime from proton-proton collisions at $s$ = 13 TeV

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle II

Measurement of boosted Higgs bosons produced via vector boson fusion or gluon fusion in the H $\to$ $b b ˉ$ decay mode using LHC proton-proton collision data at $s$ = 13 TeV

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Measurements of the branching fractions of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ and asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at $s$ = 13 TeV

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of differential ZZ + jets production cross sections in pp collisions at $s$ = 13 TeV

Search for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at $s$ = 13 TeV

Search for Higgs boson pair production in the $b b$ W $^{+}$ W $^{-}$ decay mode in proton-proton collisions at $s$ = 13 TeV

Search for long-lived heavy neutrinos in the decays of B mesons produced in proton-proton collisions at $s$ = 13 TeV

Search for heavy neutral leptons in final states with electrons, muons, and hadronically decaying tau leptons in proton-proton collisions at $s$ = 13 TeV

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

Measurement of the primary Lund jet plane density in proton-proton collisions at $s$ = 13 TeV

First Measurement of $R (X_{τ / ℓ})$ as an Inclusive Test of the $b \to c τ ν$ Anomaly

Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at $s$ = 13 TeV

Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $s$ = 13 TeV

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Inclusive and differential cross section measurements of $t t ˉ b b ˉ$ production in the lepton+jets channel at $s$ = 13 TeV

Search for a third-generation leptoquark coupled to a $τ$ lepton and a b quark through single, pair, and nonresonant production in proton-proton collisions at $s$ = 13 TeV