L. Zhang

activity

20022026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 12.2k across the 351 of their papers we have counts for

collaborators

Showing 2020Show all

14 papers · 1 filter

hep-ex2020★ 30 cited

Observation of a new excited $D_{s}^{+}$ meson in $B^{0} \to D^{-} D^{+} K^{+} π^{-}$ decays

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

Using $pp$ collision data corresponding to an integrated luminosity of $5.4 fb^{- 1}$ collected with the LHCb detector at a center-of-mass energy of $13 TeV$ , the $B^0…

hep-ex2020

Search for the rare decay $B^{0} \to J / ψ ϕ$

LHCb collaboration, R. Aaij, C. Abellán Beteta +962

A search for the rare decay $B^{0} \to J / ψ ϕ$ is performed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, correspond…

hep-ex2020★ 29 cited

Search for heavy neutral leptons in $W^{+} \to μ^{+} μ^{\pm} jet$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +980

A search is performed for heavy neutrinos in the decay of a $W$ boson into two muons and a jet. The data set corresponds to an integrated luminosity of approximately $3.0 \text{ fb…

hep-ex2020★ 52 cited

Observation of multiplicity-dependent prompt $χ_{c 1} (3872)$ and $ψ (2 S)$ production in $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +968

The production of $χ_{c 1} (3872)$ and $ψ (2 S)$ hadrons is studied as a function of charged particle multiplicity in $pp$ collisions at a center-of-mass energy of 8 TeV, corresponding…

hep-ex2020★ 224 cited

Amplitude analysis of the $B^{+} \to D^{+} D^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +963

Results are reported from an amplitude analysis of the $B^{+} \to D^{+} D^{-} K^{+}$ decay. The analysis is carried out using LHCb proton-proton collision data taken at $s = 7, 8,$ and $1…

hep-ex2020★ 192 cited

Model-independent study of structure in $B^{+} \to D^{+} D^{-} K^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +963

The only anticipated resonant contributions to $B^{+} \to D^{+} D^{-} K^{+}$ decays are charmonium states in the $D^{+} D^{-}$ channel. A model-independent analysis, using LHCb proton-proton colli…

hep-ex2020★ 13 cited

Measurement of cross sections for $e^{+} e^{-} \to μ^{+} μ^{-}$ at center-of-mass energies from 3.80 to 4.60 GeV

BESIII Collaboration

The observed cross sections for $e^{+} e^{-} \to μ^{+} μ^{-}$ at energies from 3.8 to 4.6 GeV are measured using data samples taken with the BESIII detector operated at the BEPCII col…

hep-ex2020★ 28 cited

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +963

The $Ξ_{c}^{0}$ baryon is unstable and usually decays into charmless final states by the $c \to s u d$ transition. It can, however, also disintegrate into a $π^{-}$ meson and a…

hep-ex2020★ 5 cited

First observation of the decay $Λ_{b}^{0} \to η_{c} (1 S) p K^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +985

The decay $Λ_{b}^{0} \to η_{c} (1 S) p K^{-}$ is observed for the first time using a data sample of proton-proton collisions, corresponding to an integrated luminosity of 5.5 $f b^{- 1}$ , coll…

hep-ex2020★ 6 cited

Measurement of branching fraction ratios for $B^{+} \to D^{+} D^{-} K^{+}$ , $B^{+} \to D^{-} D^{+} K^{+}$ , and $B^{0} \to D^{*-} D^{0} K^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +914

A measurement of four branching-fraction ratios for three-body decays of $B$ mesons involving two open-charm hadrons in the final state is presented. Run 1 and Run 2 $pp$ collision…

hep-ex2020★ 27 cited

Measurement of the $Λ_{b}^{0} \to J / ψ Λ$ angular distribution and the $Λ_{b}^{0}$ polarisation in $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +912

This paper presents an analysis of the $Λ_{b}^{0} \to J / ψ Λ$ angular distribution and the transverse production polarisation of $Λ_{b}^{0}$ baryons in proton-proton collisions at cen…

hep-ex2020★ 15 cited

Measurement of the shape of the $B_{s}^{0} \to D_{s}^{*-} μ^{+} ν_{μ}$ differential decay rate

LHCb collaboration, R. Aaij, C. Abellán Beteta +906

The shape of the $B_{s}^{0} \to D_{s}^{*-} μ^{+} ν_{μ}$ differential decay rate is obtained as a function of the hadron recoil using proton-proton collision data at a centre-of-mass ene…

hep-ex2020★ 1 cited

Search for intermediate resonances and dark gauge bosons in $J / ψ \to γ π^{0} η^{'}$

BESIII Collaboration

We report on an analysis of the decay $J / ψ \to γ π^{0} η^{'}$ using a sample of $(1310.6 \pm 7.0) \times 1 0^{6} J / ψ$ events collected with the BESIII detector. We search for…

hep-ex2020★ 12 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

Measurements of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays are presented, where $D$ represents a superposition of $D^{0}$ and $D ˉ^{0}$ states. The $D$ …

Observation of a new excited Ds+​ meson in B0→D−D+K+π− decays

Search for the rare decay B0→J/ψϕ

Search for heavy neutral leptons in W+→μ+μ±jet decays

Observation of multiplicity-dependent prompt χc1​(3872) and ψ(2S) production in pp collisions

Amplitude analysis of the B+→D+D−K+ decay

Model-independent study of structure in B+→D+D−K+ decays

Measurement of cross sections for e+e−→μ+μ− at center-of-mass energies from 3.80 to 4.60 GeV

First branching fraction measurement of the suppressed decay Ξc0​→π−Λc+​

First observation of the decay Λb0​→ηc​(1S)pK−

Measurement of branching fraction ratios for B+→D∗+D−K+, B+→D∗−D+K+, and B0→D∗−D0K+ decays

Measurement of the Λb0​→J/ψΛ angular distribution and the Λb0​ polarisation in pp collisions

Measurement of the shape of the Bs0​→Ds∗−​μ+νμ​ differential decay rate

Search for intermediate resonances and dark gauge bosons in J/ψ→γπ0η′

Measurement of CP observables in B±→DK± and B±→Dπ± with D→KS0​K±π∓ decays

Observation of a new excited $D_{s}^{+}$ meson in $B^{0} \to D^{-} D^{+} K^{+} π^{-}$ decays

Search for the rare decay $B^{0} \to J / ψ ϕ$

Search for heavy neutral leptons in $W^{+} \to μ^{+} μ^{\pm} jet$ decays

Observation of multiplicity-dependent prompt $χ_{c 1} (3872)$ and $ψ (2 S)$ production in $pp$ collisions

Amplitude analysis of the $B^{+} \to D^{+} D^{-} K^{+}$ decay

Model-independent study of structure in $B^{+} \to D^{+} D^{-} K^{+}$ decays

Measurement of cross sections for $e^{+} e^{-} \to μ^{+} μ^{-}$ at center-of-mass energies from 3.80 to 4.60 GeV

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

First observation of the decay $Λ_{b}^{0} \to η_{c} (1 S) p K^{-}$

Measurement of branching fraction ratios for $B^{+} \to D^{+} D^{-} K^{+}$ , $B^{+} \to D^{-} D^{+} K^{+}$ , and $B^{0} \to D^{*-} D^{0} K^{+}$ decays

Measurement of the $Λ_{b}^{0} \to J / ψ Λ$ angular distribution and the $Λ_{b}^{0}$ polarisation in $pp$ collisions

Measurement of the shape of the $B_{s}^{0} \to D_{s}^{*-} μ^{+} ν_{μ}$ differential decay rate

Search for intermediate resonances and dark gauge bosons in $J / ψ \to γ π^{0} η^{'}$

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ decays