J. Yu

activity

20152023

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 3.1k across the 23 of their papers we have counts for

collaborators

22 papers

hep-ex2023★ 8 cited

Measurement of prompt $D^{+}$ and $D_{s}^{+}$ production in $p Pb$ collisions at $s_{NN} = 5.02$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

The production of prompt $D^{+}$ and $D_{s}^{+}$ mesons is studied in proton-lead collisions at a centre-of-mass energy of $s_{NN} = 5.02$ TeV. The data sample correspo…

hep-ex2023★ 3 cited

A search for rare $B \to D μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

A search for rare $B \to D μ^{+} μ^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9…

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-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★ 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-ex2019★ 37 cited

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The production fraction of the $B_{c}^{-}$ meson with respect to the sum of $B^{-}$ and $B ˉ^{0}$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced…

hep-ex2019★ 31 cited

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics

LHCb collaboration, R. Aaij, C. Abellán Beteta +903

The ratio of the $B_{s}^{0}$ and $B^{+}$ fragmentation fractions $f_{s}$ and $f_{u}$ is studied with $B_{s}^{0} \to J / ψ ϕ$ and $B^+\to\mathrm{J…

hep-ex2019★ 35 cited

Precision measurement of the $Λ_{c}^{+}$ , $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ baryon lifetimes

LHCb collaboration, R. Aaij, C. Abellán Beteta +847

We report measurements of the lifetimes of the $Λ_{c}^{+}$ , $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ charm baryons using proton-proton collision data at center-of-mass energies of 7 and 8\tev, correspondin…

hep-ex2019★ 68 cited

Observation of new resonances in the $Λ_{b}^{0} π^{+} π^{-}$ system

LHCb collaboration, R. Aaij, C. Abellán Beteta +910

We report the observation of a new structure in the $Λ_{b}^{0} π^{+} π^{-}$ spectrum using the full LHCb data set of $pp$ collisions, corresponding to an integrated luminosity of $9\,\mathr…

hep-ex2018★ 64 cited

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +842

A Dalitz plot analysis of $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays is performed using data samples of $pp$ collisions collected with the LHCb detector at centre-of-mass energies of $\sqrt{s…

hep-ex2018★ 10 cited

Search for lepton-flavour-violating decays of Higgs-like bosons

LHCb collaboration, R. Aaij, C. Abellán Beteta +835

A search is presented for a Higgs-like boson with mass in the range 45 to 195 GeV/ $c^{2}$ decaying into a muon and a tau lepton. The dataset consists of proton-proton interactions at…

hep-ex2017★ 206 cited

Search for dark photons produced in 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +796

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using $A^{\prime}\…

hep-ex2017★ 26 cited

Measurement of the $Υ$ polarizations in $pp$ collisions at $s$ =7 and 8TeV

LHCb collaboration, R. Aaij, B. Adeva +801

The polarization of the $Υ (1 S)$ , $Υ (2 S)$ and $Υ (3 S)$ mesons, produced in $pp$ collisions at centre-of-mass energies $s$ =7 and 8TeV, is measured using data samples collected…

hep-ex2017★ 297 cited

Search for new high-mass phenomena in the dilepton final state using 36 fb $^{- 1}$ of proton-proton collision data at $s$ = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. The search uses 36.1 fb $^{- 1}$ of proton-proton collision data, c…

hep-ex2016★ 144 cited

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

A search for a long-lived scalar particle $χ$ is performed, looking for the decay $B^{+} \to K^{+} χ$ with $χ \to μ^{+} μ^{-}$ in $pp$ collision data corresponding to an integrated lumin…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 31 cited

Observation of the decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

The first observation of the rare decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$ are reported, using $pp$ collision data recorded by the LHCb detector at centre-of-mas…

hep-ex2016★ 8 cited

Observation of $B_{s}^{0} \to D ˉ^{0} K_{S}^{0}$ and evidence for $B_{s}^{0} \to D ˉ^{* 0} K_{S}^{0}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

The first observation of the $B_{s}^{0} \to D ˉ^{0} K_{S}^{0}$ decay mode and evidence for the $B_{s}^{0} \to D ˉ^{* 0} K_{S}^{0}$ decay mode are reported. The data sample corresponds to an integ…

hep-ex2015★ 27 cited

Measurement of $C P$ violation parameters and polarisation fractions in $B_{s}^{0} \to J / ψ K^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +721

The first measurement of $C P$ asymmetries in the decay $B_{s}^{0} \to J / ψ K^{*} (892)^{0}$ and an updated measurement of its branching fraction and polarisation fractions…

hep-ex2015★ 1.3k cited

Observation of $J / ψ p$ resonances consistent with pentaquark states in $Λ_{b}^{0} \to J / ψ K^{-} p$ decays

LHCb collaboration, R. Aaij, B. Adeva +720

Observations of exotic structures in the $J / ψ p$ channel, that we refer to as pentaquark-charmonium states, in $Λ_{b}^{0} \to J / ψ K^{-} p$ decays are presented. The data sample corresponds…

hep-ex2015★ 45 cited

Study of $W$ boson production in association with beauty and charm

LHCb collaboration, R. Aaij, B. Adeva +722

The associated production of a $W$ boson with a jet originating from either a light parton or heavy-flavor quark is studied in the forward region using proton-proton collisions. Th…

hep-ex2015★ 50 cited

Amplitude analysis of $B^{0} \to D ˉ^{0} K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +716

The Dalitz plot distribution of $B^{0} \to D ˉ^{0} K^{+} π^{-}$ decays is studied using a data sample corresponding to $3.0 fb^{- 1}$ of $pp$ collision data recorded by the…

Measurement of prompt D+ and Ds+​ production in pPb collisions at sNN​​=5.02TeV

A search for rare B→Dμ+μ− decays

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

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

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

Measurement of the Bc−​ meson production fraction and asymmetry in 7 and 13 TeV pp collisions

Measurement of fs​/fu​ variation with proton-proton collision energy and B-meson kinematics

Precision measurement of the Λc+​, Ξc+​ and Ξc0​ baryon lifetimes

Observation of new resonances in the Λb0​π+π− system

Evidence for an ηc​(1S)π− resonance in B0→ηc​(1S)K+π− decays

Search for lepton-flavour-violating decays of Higgs-like bosons

Search for dark photons produced in 13 TeV pp collisions

Measurement of the Υ polarizations in pp collisions at s​=7 and 8TeV

Search for new high-mass phenomena in the dilepton final state using 36 fb−1 of proton-proton collision data at s​ = 13 TeV with the ATLAS detector

Search for long-lived scalar particles in B+→K+χ(μ+μ−) decays

Observation of the decay Ξb−​→pK−K−

Observation of the decay Bs0​→ϕπ+π− and evidence for B0→ϕπ+π−

Observation of Bs0​→Dˉ0KS0​ and evidence for Bs0​→Dˉ∗0KS0​ decays

Measurement of CP violation parameters and polarisation fractions in Bs0​→J/ψK∗0 decays

Observation of J/ψp resonances consistent with pentaquark states in Λb0​→J/ψK−p decays

Study of W boson production in association with beauty and charm

Amplitude analysis of B0→Dˉ0K+π− decays

Measurement of prompt $D^{+}$ and $D_{s}^{+}$ production in $p Pb$ collisions at $s_{NN} = 5.02$ TeV

A search for rare $B \to D μ^{+} μ^{-}$ decays

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

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

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

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics

Precision measurement of the $Λ_{c}^{+}$ , $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ baryon lifetimes

Observation of new resonances in the $Λ_{b}^{0} π^{+} π^{-}$ system

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

Search for dark photons produced in 13 TeV $pp$ collisions

Measurement of the $Υ$ polarizations in $pp$ collisions at $s$ =7 and 8TeV

Search for new high-mass phenomena in the dilepton final state using 36 fb $^{- 1}$ of proton-proton collision data at $s$ = 13 TeV with the ATLAS detector

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

Observation of the decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$

Observation of $B_{s}^{0} \to D ˉ^{0} K_{S}^{0}$ and evidence for $B_{s}^{0} \to D ˉ^{* 0} K_{S}^{0}$ decays

Measurement of $C P$ violation parameters and polarisation fractions in $B_{s}^{0} \to J / ψ K^{* 0}$ decays

Observation of $J / ψ p$ resonances consistent with pentaquark states in $Λ_{b}^{0} \to J / ψ K^{-} p$ decays

Study of $W$ boson production in association with beauty and charm

Amplitude analysis of $B^{0} \to D ˉ^{0} K^{+} π^{-}$ decays