Y. Fan

activity

20102026

J / ψ Λ

structure and observation of excited

Ξ^{-}

states in the

Ξ_{b}^{-} \to J / ψ Λ K^{-}

decay

268 citations · 1.5k across the 70 of their papers we have counts for

collaborators

Showing 2022Show all

14 papers · 1 filter

hep-ex2022★ 12 cited

Search for rare decays of $D^{0}$ mesons into two muons

LHCb collaboration

A search for the very rare $D^{0} \to μ^{+} μ^{-}$ decay is performed using data collected by the LHCb experiment in proton-proton collisions at $s = 7$ , 8 and $13 TeV$ , corre…

hep-ex2022★ 112 cited

Measurement of lepton universality parameters in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1047

A simultaneous analysis of the $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays is performed to test muon-electron universality in two ranges of the square of the di…

hep-ex2022★ 126 cited

Test of lepton universality in $b \to s ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1047

The first simultaneous test of muon-electron universality using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays is performed, in two r…

hep-ex2022★ 80 cited

First observation of a doubly charged tetraquark and its neutral partner

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1055

A combined amplitude analysis is performed for the decays $B^{0} \to D^{0} D_{s}^{+} π^{-}$ and $B^{+} \to D^{-} D_{s}^{+} π^{+}$ , which are related by isospin symmetry. The an…

hep-ex2022★ 17 cited

Open charm production and asymmetry in $p$ Ne collisions at $s_{NN} =$ 68.5 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1053

A measurement of $D^{0}$ meson production by the LHCb experiment in its fixed-target configuration is presented. The production of $D^{0}$ mesons is studied with a beam of 2.5 TeV prot…

hep-ex2022★ 3 cited

Long-lived particle reconstruction downstream of the LHCb magnet

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1113

Charged-particle trajectories are usually reconstructed with the LHCb detector using combined information from the tracking devices placed upstream and downstream of the 4\,T\,m di…

hep-ex2022★ 9 cited

First observation of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay is observed for the first time using proton-proton collision data collected by the LHCb detector at centre-of-mass energies of $7$ , $8$ …

hep-ex2022★ 40 cited

Observation of a resonant structure near the $D_{s}^{+} D_{s}^{-}$ threshold in the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

An amplitude analysis of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay is carried out to study for the first time its intermediate resonant contributions, using proton-proton collision data c…

hep-ex2022★ 4 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to B_{s}^{0} π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1054

The ratio of branching fractions of $B_{c}^{+} \to B_{s}^{0} π^{+}$ and $B_{c}^{+} \to J / ψ π^{+}$ decays is measured with proton-proton collision data of a centre-of-mass energy of $13 TeV$ .…

hep-ex2022★ 2 cited

Study of $B_{c}^{+}$ meson decays to charmonia plus multihadron final states

LHCb Collaboration, R. Aaij, A. S. W. Abdelmotteleb +1058

Four decay modes of the $B_{c}^{+}$ meson into a $J / ψ$ meson and multiple charged kaons or pions are studied using proton-proton collision data, collected with the~LHCb detector at cen…

hep-ex2022★ 10 cited

Search for the lepton-flavour violating decays $B^{0} \to K^{* 0} μ^{\pm} e^{\mp}$ and $B_{s}^{0} \to ϕ μ^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

A search for the lepton-flavour violating decays $B^{0} \to K^{* 0} μ^{\pm} e^{\mp}$ and $B_{s}^{0} \to ϕ μ^{\pm} e^{\mp}$ is presented, using proton-proton collision data collected by the LHCb de…

hep-ex2022★ 25 cited

Observation of sizeable $ω$ contribution to $χ_{c 1} (3872) \to π^{+} π^{-} J / ψ$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

Resonant structures in the dipion mass spectrum from $χ_{c 1} (3872) \to π^{+} π^{-} J / ψ$ decays, produced via $B^{+} \to K^{+} χ_{c 1} (3872)$ decays, are analyzed using proton-proton collision da…

nucl-ex2022★ 15 cited

Nuclear modification factor of neutral pions in the forward and backward regions in $p$ -Pb collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of $8.16 TeV$ with the LHCb detector.…

hep-ex2022★ 11 cited

Study of charmonium and charmonium-like contributions in $B^{+} \to J / ψ η K^{+}$ decays

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

A study of $B^{+} \to J / ψ η K^{+}$ decays, followed by $J / ψ \to μ^{+} μ^{-}$ and $η \to γ γ$ , is performed using a dataset collected with the LHCb detector in proton-pro…

Search for rare decays of D0 mesons into two muons

Measurement of lepton universality parameters in B+→K+ℓ+ℓ− and B0→K∗0ℓ+ℓ− decays

Test of lepton universality in b→sℓ+ℓ− decays

First observation of a doubly charged tetraquark and its neutral partner

Open charm production and asymmetry in pNe collisions at sNN​​= 68.5 GeV

Long-lived particle reconstruction downstream of the LHCb magnet

First observation of the B+→Ds+​Ds−​K+ decay

Observation of a resonant structure near the Ds+​Ds−​ threshold in the B+→Ds+​Ds−​K+ decay

Measurement of the ratio of branching fractions B(Bc+​→Bs0​π+)/B(Bc+​→J/ψπ+)

Study of Bc+​ meson decays to charmonia plus multihadron final states

Search for the lepton-flavour violating decays B0→K∗0μ±e∓ and Bs0​→ϕμ±e∓

Observation of sizeable ω contribution to χc1​(3872)→π+π−J/ψ decays

Nuclear modification factor of neutral pions in the forward and backward regions in p-Pb collisions

Study of charmonium and charmonium-like contributions in B+→J/ψηK+ decays