B. Hamilton

activity

20112019

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 13.9k across the 195 of their papers we have counts for

collaborators

198 papers

hep-ex2019★ 64 cited

Search for the doubly charmed baryon $Ξ_{cc}^{+}$

LHCb collaboration, R. Aaij, C. Abelán Beteta +905

A search for the doubly charmed baryon $Ξ_{cc}^{+}$ is performed through its decay to the $Λ_{c}^{+} K^{-} π^{+}$ final state, using proton-proton collision data collected with the LHCb de…

hep-ex2019★ 52 cited

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

LHCb collaboration, R. Aaij, C. Abellán Beteta +863

A search for $B_{s}^{0} \to τ^{\pm} μ^{\mp}$ and $B^{0} \to τ^{\pm} μ^{\mp}$ decays is performed using data corresponding to an integrated luminosity of 3 fb $^{- 1}$ of proton-proton coll…

hep-ex2019★ 17 cited

A search for $Ξ_{cc}^{++} \to D^{+} p K^{-} π^{+}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +848

A search for the $Ξ_{cc}^{++}$ baryon through the $Ξ_{cc}^{++} \to D^{+} p K^{-} π^{+}$ decay is performed with a data sample corresponding to an integrated luminosit…

hep-ex2019★ 6 cited

Measurement of the ratio of branching fractions of the decays $Λ_{b}^{0} \to ψ (2 S) Λ$ and $Λ_{b}^{0} \to J / ψ Λ$

LHCb Collaboration, R. Aaij, B. Adeva +799

Using $pp$ collisions corresponding to 3 $fb^{- 1}$ integrated luminosity, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 $TeV$ , the ratio of…

hep-ex2019★ 41 cited

Measurement of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ production in $p Pb$ collisions at $s_{NN} = 8.16 TeV$

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

The production of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ hadrons is studied in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{NN} = 8.16 TeV$ record…

hep-ex2019★ 55 cited

Near-threshold $D D ˉ$ spectroscopy and observation of a new charmonium state

LHCb Collaboration, R. Aaij, C. Abellán Beteta +846

Using proton-proton collision data, corresponding to an integrated luminosity of 9 $f b^{- 1}$ , collected with the~LHCb detector between 2011 and 2018, a new narrow charmonium state,…

hep-ex2019★ 402 cited

Search for lepton-universality violation in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +846

A measurement of the ratio of branching fractions of the decays $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^{+} \to K^{+} e^{+} e^{-}$ is presented. The proton-proton collision data used correspond to an integ…

hep-ex2019★ 21 cited

Measurement of the $C P$ -violating phase $ϕ_{s}$ from $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays in 13 TeV $pp$ collisions

LHCb Collaboration, R. Aaij, C. Abellán Beteta +844

Decays of $B_{s}^{0}$ and $B_{s}^{0}$ mesons into $J / ψ π^{+} π^{-}$ final states are studied in a data sample corresponding to 1.9 fb $^{- 1}$ of integrated luminosity collect…

hep-ex2019★ 68 cited

Measurement of the mass difference between neutral charm-meson eigenstates

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

We report a measurement of the mass difference between neutral charm-meson eigenstates using a novel approach that enhances sensitivity to this parameter. We use $2.3 \times 1 0^{6}$ $…

hep-ex2019★ 20 cited

Amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The first untagged decay-time-integrated amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays is performed using a sample corresponding to $3.0$ …

hep-ex2019★ 17 cited

Dalitz plot analysis of the $D^{+} \to K^{-} K^{+} K^{+}$ decay

LHCb Collaboration, R. Aaij, B. Adeva +98

The resonant structure of the doubly Cabibbo-suppressed decay $D^{+} \to K^{-} K^{+} K^{+}$ is studied for the first time. The measurement is based on a sample of pp-collision data, collecte…

hep-ex2019★ 2 cited

Observation of the doubly Cabibbo-suppressed decay $Ξ_{c}^{+} \to pϕ$

LHCb collaboration, R. Aaij, C. Abellán Beteta +848

The doubly Cabibbo-suppressed decay $Ξ_{c}^{+} \to pϕ$ with $ϕ \to K^{+} K^{-}$ is observed for the first time, with a statistical significance of more than fifteen standard deviation…

hep-ex2019★ 36 cited

Model-independent observation of exotic contributions to $B^{0} \to J / ψ K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

An angular analysis of $B^{0} \to J / ψ K^{+} π^{-}$ decays is performed, using proton-proton collision data corresponding to an integrated luminosity of 3~ $fb^{- 1}$ collected with the…

hep-ex2018★ 9 cited

Measurement of the branching fraction and $C P$ asymmetry in $B^{+} \to J / ψ ρ^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

The branching fraction and direct $C P$ asymmetry of the decay $B^{+} \to J / ψ ρ^{+}$ are measured using proton-proton collision data collected with the LHCb detector at cent…

hep-ex2018★ 8 cited

Study of the $B^{0} \to ρ (770)^{0} K^{*} (892)^{0}$ decay with an amplitude analysis of $B^{0} \to (π^{+} π^{-}) (K^{+} π^{-})$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +840

An amplitude analysis of $B^{0} \to (π^{+} π^{-}) (K^{+} π^{-})$ decays is performed in the two-body invariant mass regions $300 < m (π^{+} π^{-}) < 1100$ MeV/ $c^{2}$ , accounting for the $ρ^{0}$ , $ω$ ,…

hep-ex2018★ 18 cited

Search for the rare decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

A search for the rare leptonic decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$ is performed using proton-proton collision data corresponding to an integrated luminosity of $4.7$ fb$…

hep-ex2018★ 76 cited

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states $Λ_{b}^{0} π^{-}$ and $Λ_{b}^{0} π^{+}$ is reported using samples of $pp$ collision data collected by the…

hep-ex2018★ 40 cited

Study of $Υ$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +840

The production of $Υ (n S)$ mesons ( $n = 1, 2, 3$ ) in $p$ Pb and Pb $p$ collisions at a centre-of-mass energy per nucleon pair $s_{N N} = 8.16$ TeV is measured by the LHCb experiment,…

hep-ex2018★ 22 cited

Measurement of the charm-mixing parameter $y_{C P}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

A measurement of the charm-mixing parameter $y_{C P}$ using $D^{0} \to K^{+} K^{-}$ , $D^{0} \to π^{+} π^{-}$ , and $D^{0} \to K^{-} π^{+}$ decays is reported. The $D^{0}$ mesons are required to originat…

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★ 20 cited

Prompt $Λ_{c}^{+}$ production in $p Pb$ collisions at $s_{N N} = 5.02$ TeV

LHCb collaboration, R. Aaij, B. Adeva +832

The production of $Λ_{c}^{+}$ baryons produced directly at the interacting point is studied in proton-lead collisions collected with the LHCb detector at the LHC. The data sample corre…

hep-ex2018

Measurement of the $Ω_{c}^{0}$ baryon lifetime

LHCb collaboration, R. Aaij, B. Adeva +834

We report a measurement of the lifetime of the $Ω_{c}^{0}$ baryon using proton-proton collision data at center-of-mass energies of 7 and 8~TeV, corresponding to an integrated luminosit…

hep-ex2018★ 69 cited

Measurement of antiproton production in $pHe$ collisions at $s_{N N} = 110$ GeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +839

The cross-section for prompt antiproton production in collisions of protons with an energy of $6.5$ TeV incident on helium nuclei at rest is measured with the LHCb experiment from…

hep-ex2018★ 64 cited

Angular moments of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ at low hadronic recoil

LHCb collaboration, R. Aaij, B. Adeva +835

An analysis of the angular distribution of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ is presented, using data collected with the LHCb detector between 2011 and 2016 and correspond…

Search for the doubly charmed baryon Ξcc+​

Search for the lepton-flavour-violating decays Bs0​→τ±μ∓ and B0→τ±μ∓

A search for Ξcc++​→D+pK−π+ decays

Measurement of the ratio of branching fractions of the decays Λb0​→ψ(2S)Λ and Λb0​→J/ψΛ

Measurement of B+, B0 and Λb0​ production in pPb collisions at sNN​​=8.16TeV

Near-threshold DDˉ spectroscopy and observation of a new charmonium state

Search for lepton-universality violation in B+→K+ℓ+ℓ− decays

Measurement of the CP-violating phase ϕs​ from Bs0​→J/ψπ+π− decays in 13 TeV pp collisions

Measurement of the mass difference between neutral charm-meson eigenstates

Amplitude analysis of Bs0​→KS0​K±π∓ decays

Dalitz plot analysis of the D+→K−K+K+ decay

Observation of the doubly Cabibbo-suppressed decay Ξc+​→pϕ

Model-independent observation of exotic contributions to B0→J/ψK+π− decays

Measurement of the branching fraction and CP asymmetry in B+→J/ψρ+ decays

Study of the B0→ρ(770)0K∗(892)0 decay with an amplitude analysis of B0→(π+π−)(K+π−) decays

Search for the rare decay B+→μ+μ−μ+νμ​

Observation of two resonances in the Λb0​π± systems and precise measurement of Σb±​ and Σb∗±​ properties

Study of Υ production in pPb collisions at sNN​​=8.16 TeV

Measurement of the charm-mixing parameter yCP​

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

Prompt Λc+​ production in pPb collisions at sNN​​=5.02 TeV

Measurement of the Ωc0​ baryon lifetime

Measurement of antiproton production in pHe collisions at sNN​​=110 GeV

Angular moments of the decay Λb0​→Λμ+μ− at low hadronic recoil