Jianchun Wang

activity

20152026

most citedMeasurement of the ratio of branching fractions

B (B^{0} \to D^{*+} τ^{-} ν_{τ}) / B (B^{0} \to D^{*+} μ^{-} ν_{μ})

635 citations · 7.8k across the 305 of their papers we have counts for

collaborators

Showing 2021Show all

22 papers · 1 filter

hep-ex2021

Constraints on the CKM angle $γ$ from $B^{\pm} \to D h^{\pm}$ decays using $D \to h^{\pm} h^{' \mp} π^{0}$ final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

A data sample collected with the LHCb detector corresponding to an integrated luminosity of 9 fb $^{- 1}$ is used to measure eleven $C P$ violation observables in $B^{\pm} \to D h^{\pm}$ de…

hep-ex2021★ 24 cited

Precision measurement of forward $Z$ boson production in proton-proton collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +998

A precision measurement of the $Z$ boson production cross-section at $s = 13$ TeV in the forward region is presented, using $pp$ collision data collected by the LHCb detecto…

hep-ex2021★ 32 cited

Observation of two new excited $Ξ_{b}^{0}$ states decaying to $Λ_{b}^{0} K^{-} π^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

Two narrow resonant states are observed in the $Λ_{b}^{0} K^{-} π^{+}$ mass spectrum using a data sample of proton-proton collisions at a center-of-mass energy of 13 $TeV$ , collect…

hep-ex2021★ 23 cited

Measurement of $χ_{c 1} (3872)$ production in proton-proton collisions at $s = 8$ and $13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +997

The production cross-section of the $χ_{c 1} (3872)$ state relative to the $ψ (2 S)$ meson is measured using proton-proton collision data collected with the LHCb experiment at centre-o…

hep-ex2021★ 25 cited

Search for the doubly charmed baryon $Ξ_{cc}^{+}$ in the $Ξ_{c}^{+} π^{-} π^{+}$ final state

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +992

A search for the doubly charmed baryon $Ξ_{cc}^{+}$ is performed in the $Ξ_{c}^{+} π^{-} π^{+}$ invariant-mass spectrum, where the $Ξ_{c}^{+}$ baryon is reconstructed in t…

hep-ex2021★ 10 cited

Observation of the suppressed $Λ_{b}^{0} \to D p K^{-}$ decay with $D \to K^{+} π^{-}$ and measurement of its $C P$ asymmetry

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +997

A study of $Λ_{b}^{0}$ baryon decays to the $D p K^{-}$ final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9 fb $^{- 1}$ col…

hep-ex2021★ 329 cited

Study of the doubly charmed tetraquark $T_{cc}^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

An exotic narrow state in the $D^{0} D^{0} π^{+}$ mass spectrum just below the $D^{*+} D^{0}$ mass threshold is studied using a data set corresponding to an integrated luminosity of 9 fb$^{-1…

hep-ex2021★ 403 cited

Observation of an exotic narrow doubly charmed tetraquark

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

Conventional hadronic matter consists of baryons and mesons made of three quarks and quark-antiquark pairs, respectively. The observation of a new type of hadronic state, a doubly…

hep-ex2021★ 15 cited

Measurement of $J / ψ$ production cross-sections in $pp$ collisions at $s = 5$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +990

The production cross-sections of $J / ψ$ mesons in proton-proton collisions at a centre-of-mass energy of $s = 5$ TeV are measured using a data sample corresponding to an integr…

hep-ex2021★ 35 cited

Measurement of the nuclear modification factor and prompt charged particle production in $p Pb$ and $pp$ collisions at $s_{NN} = 5 TeV$

LHCb collaboration, R. Aaij, C. Abellán Beteta +961

The production of prompt charged particles in proton-lead collisions and in proton-proton collisions at the nucleon-nucleon centre-of-mass energy ${\sqrt{s_{\scriptscriptstyle\math…

hep-ex2021★ 100 cited

Analysis of neutral $B$ -meson decays into two muons

LHCb collaboration, R. Aaij, C. Abellán Beteta +953

Branching fraction and effective lifetime measurements of the rare decay $B_{s}^{0} \to μ^{+} μ^{-}$ and searches for the decays $B^{0} \to μ^{+} μ^{-}$ and $B_{s}^{0} \to μ^{+} μ^{-} γ$ are reported using proton…

hep-ex2021★ 115 cited

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ decay properties and search for the $B^{0} \to μ^{+} μ^{-}$ and $B_{s}^{0} \to μ^{+} μ^{-} γ$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +953

An improved measurement of the decay $B_{s}^{0} \to μ^{+} μ^{-}$ and searches for the decays $B^{0} \to μ^{+} μ^{-}$ and $B_{s}^{0} \to μ^{+} μ^{-} γ$ are performed at the LHCb experiment using data collected in…

hep-ex2021★ 112 cited

Evidence for a new structure in the $J / ψ p$ and $J / ψ p ˉ$ systems in $B_{s}^{0} \to J / ψ p p ˉ$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +987

An amplitude analysis of flavour-untagged $B_{s}^{0} \to J / ψ p p ˉ$ decays is performed using a sample of $797 \pm 31$ decays reconstructed with the LHCb detector. The data, collected…

hep-ex2021★ 4 cited

Angular analysis of the rare decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$

LHCb Collaboration, R. Aaij, A. S. W. Abdelmotteleb +992

An angular analysis of the rare decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ is presented, using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of $7$ ,…

hep-ex2021

Measurement of prompt charged-particle production in pp collisions at a centre-of-mass energy of 13 TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +957

The differential cross-section of prompt inclusive production of long-lived charged particles in proton-proton collisions is measured using a data sample recorded by the LHCb exper…

hep-ex2021★ 44 cited

Observation of excited $Ω_{c}^{0}$ baryons in $Ω_{b}^{-} \to Ξ_{c}^{+} K^{-} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +959

The first observation of the $Ω_{b}^{-} \to Ξ_{c}^{+} K^{-} π^{-}$ decay is reported using $pp$ collision data at centre-of-mass energies of 7, 8 and 13\, $TeV$ collected by the LHCb e…

hep-ex2021★ 22 cited

Study of coherent $J / ψ$ production in lead-lead collisions at $s_{N N} = 5 T e V$

R. Aaij, C. Abellán Beteta, T. Ackernley +946

Coherent production of $J / ψ$ mesons is studied in ultraperipheral lead-lead collisions at a nucleon-nucleon centre-of-mass energy of 5 TeV, using a data sample collected by the LHC…

hep-ex2021★ 53 cited

Observation of the mass difference between neutral charm-meson eigenstates

LHCb collaboration, R. Aaij, C. Abellán Beteta +958

A measurement of mixing and $C P$ violation in neutral charm mesons is performed using data reconstructed in proton-proton collisions collected by the LHCb experiment from 2016 to…

hep-ex2021★ 1 cited

First measurement of the $C P$ -violating phase in $B_{s}^{0} \to J / ψ (\to e^{+} e^{-}) ϕ$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +954

A flavour-tagged time-dependent angular analysis of $B_{s}^{0} \to J / ψ ϕ$ decays is presented where the $J / ψ$ meson is reconstructed through its decay to an $e^{+} e^{-}$ pair. The analysis u…

hep-ex2021★ 5 cited

Angular analysis of $B^{0} \to D^{-} D_{s}^{+}$ with $D_{s}^{*+} \to D_{s}^{+} γ$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +946

The first full angular analysis of the $B^{0} \to D^{*-} D_{s}^{*+}$ decay is performed using 6 fb $^{- 1}$ of $pp$ collision data collected with the LHCb experiment at a centre-of-mass…

hep-ex2021★ 19 cited

Search for $C P$ violation in $Ξ_{b}^{-} \to p K^{-} K^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +956

A search for $C P$ violation in charmless three-body $Ξ_{b}^{-} \to p K^{-} K^{-}$ decays is performed using $pp$ collision data recorded with the LHCb detector, corresponding to integrated…

hep-ex2021★ 11 cited

Search for $C P$ violation in $D_{(s)}^{+} \to h^{+} π^{0}$ and $D_{(s)}^{+} \to h^{+} η$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +957

Searches for $C P$ violation in the two-body decays $D_{(s)}^{+} \to h^{+} π^{0}$ and $D_{(s)}^{+} \to h^{+} η$ (where $h^{+}$ denotes a $π^{+}$ or $K^{+}$ meson) are p…

Constraints on the CKM angle γ from B±→Dh± decays using D→h±h′∓π0 final states

Precision measurement of forward Z boson production in proton-proton collisions at s​=13 TeV

Observation of two new excited Ξb0​ states decaying to Λb0​K−π+

Measurement of χc1​(3872) production in proton-proton collisions at s​=8 and 13 TeV

Search for the doubly charmed baryon Ξcc+​ in the Ξc+​π−π+ final state

Observation of the suppressed Λb0​→DpK− decay with D→K+π− and measurement of its CP asymmetry

Study of the doubly charmed tetraquark Tcc+​

Observation of an exotic narrow doubly charmed tetraquark

Measurement of J/ψ production cross-sections in pp collisions at s​=5 TeV

Measurement of the nuclear modification factor and prompt charged particle production in pPb and pp collisions at sNN​​=5TeV

Analysis of neutral B-meson decays into two muons

Measurement of the Bs0​→μ+μ− decay properties and search for the B0→μ+μ− and Bs0​→μ+μ−γ decays

Evidence for a new structure in the J/ψp and J/ψpˉ​ systems in Bs0​→J/ψppˉ​ decays

Angular analysis of the rare decay Bs0​→ϕμ+μ−

Measurement of prompt charged-particle production in pp collisions at a centre-of-mass energy of 13 TeV

Observation of excited Ωc0​ baryons in Ωb−​→Ξc+​K−π− decays

Study of coherent J/ψ production in lead-lead collisions at sNN​​=5TeV

Observation of the mass difference between neutral charm-meson eigenstates

First measurement of the CP-violating phase in Bs0​→J/ψ(→e+e−)ϕ decays

Angular analysis of B0→D∗−Ds∗+​ with Ds∗+​→Ds+​γ decays

Search for CP violation in Ξb−​→pK−K− decays

Search for CP violation in D(s)+​→h+π0 and D(s)+​→h+η decays

Constraints on the CKM angle $γ$ from $B^{\pm} \to D h^{\pm}$ decays using $D \to h^{\pm} h^{' \mp} π^{0}$ final states

Precision measurement of forward $Z$ boson production in proton-proton collisions at $s = 13$ TeV

Observation of two new excited $Ξ_{b}^{0}$ states decaying to $Λ_{b}^{0} K^{-} π^{+}$

Measurement of $χ_{c 1} (3872)$ production in proton-proton collisions at $s = 8$ and $13$ TeV

Search for the doubly charmed baryon $Ξ_{cc}^{+}$ in the $Ξ_{c}^{+} π^{-} π^{+}$ final state

Observation of the suppressed $Λ_{b}^{0} \to D p K^{-}$ decay with $D \to K^{+} π^{-}$ and measurement of its $C P$ asymmetry

Study of the doubly charmed tetraquark $T_{cc}^{+}$

Measurement of $J / ψ$ production cross-sections in $pp$ collisions at $s = 5$ TeV

Measurement of the nuclear modification factor and prompt charged particle production in $p Pb$ and $pp$ collisions at $s_{NN} = 5 TeV$

Analysis of neutral $B$ -meson decays into two muons

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ decay properties and search for the $B^{0} \to μ^{+} μ^{-}$ and $B_{s}^{0} \to μ^{+} μ^{-} γ$ decays

Evidence for a new structure in the $J / ψ p$ and $J / ψ p ˉ$ systems in $B_{s}^{0} \to J / ψ p p ˉ$ decays

Angular analysis of the rare decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$

Observation of excited $Ω_{c}^{0}$ baryons in $Ω_{b}^{-} \to Ξ_{c}^{+} K^{-} π^{-}$ decays

Study of coherent $J / ψ$ production in lead-lead collisions at $s_{N N} = 5 T e V$

First measurement of the $C P$ -violating phase in $B_{s}^{0} \to J / ψ (\to e^{+} e^{-}) ϕ$ decays

Angular analysis of $B^{0} \to D^{-} D_{s}^{+}$ with $D_{s}^{*+} \to D_{s}^{+} γ$ decays

Search for $C P$ violation in $Ξ_{b}^{-} \to p K^{-} K^{-}$ decays

Search for $C P$ violation in $D_{(s)}^{+} \to h^{+} π^{0}$ and $D_{(s)}^{+} \to h^{+} η$ decays