A. McNab

activity

20032024

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 17.3k across the 220 of their papers we have counts for

collaborators

Showing 2015Show all

31 papers · 1 filter

hep-ex2015★ 133 cited

Measurement of forward $W$ and $Z$ boson production in $pp$ collisions at $s = 8 Te V$

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

Measurements are presented of electroweak boson production using data from $pp$ collisions at a centre-of-mass energy of $s = 8 Te V$ . The analysis is…

hep-ex2015★ 58 cited

Production of associated $Υ$ and open charm hadrons in $pp$ collisions at $s = 7$ and $8$ TeV via double parton scattering

LHCb collaboration, R. Aaij, C. Abellán Beteta +724

Associated production of bottomonia and open charm hadrons in $pp$ collisions at $s = 7$ and $8$ TeV is observed using data corresponding to an integrated luminosity of 3$fb^{-…

hep-ex2015★ 9 cited

Search for the rare decays $B^{0} \to J / ψ γ$ and $B_{s}^{0} \to J / ψ γ$

LHCb collaboration, R. Aaij, C. Abellán Beteta +725

A search for the rare decay of a $B^{0}$ or $B_{s}^{0}$ meson into the final state $J / ψ γ$ is performed, using data collected by the LHCb experiment in $pp$ collisions at $\sqrt{s}=…

hep-ex2015★ 30 cited

Evidence for the strangeness-changing weak decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +724

Using a $pp$ collision data sample corresponding to an integrated luminosity of 3.0~fb $^{- 1}$ , collected by the LHCb detector, we present the first search for the strangeness-chang…

hep-ex2015★ 46 cited

A model-independent confirmation of the $Z (4430)^{-}$ state

LHCb collaboration, R. Aaij, B. Adeva +723

The decay $B^{0} \to ψ (2 S) K^{+} π^{-}$ is analyzed using $3 f b^{- 1}$ of $pp$ collision data collected with the LHCb detector. A model-independent description of the $ψ (2 S) π$ mass spe…

hep-ex2015★ 175 cited

Measurements of prompt charm production cross-sections in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, C. Abellán Beteta +724

Production cross-sections of prompt charm mesons are measured with the first data from $pp$ collisions at the LHC at a centre-of-mass energy of $13 TeV$ . The data sample…

hep-ex2015★ 33 cited

Studies of the resonance structure in $D^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

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

Amplitude models are applied to studies of resonance structure in $D^{0} \to K_{S}^{0} K^{-} π^{+}$ and $D^{0} \to K_{S}^{0} K^{+} π^{-}$ decays using $pp$ collision data corresponding to an integrated…

hep-ex2015★ 49 cited

Forward production of $Υ$ mesons in $pp$ collisions at $s = 7$ and 8TeV

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

The production of $Υ$ mesons in $pp$ collisions at $= 7$ and $8 TeV$ is studied with the LHCb detector using data samples corresponding to an integrated luminosity of…

hep-ex2015★ 71 cited

First measurement of the differential branching fraction and $C P$ asymmetry of the $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, B. Adeva +723

The differential branching fraction with respect to the dimuon invariant mass squared, and the $C P$ asymmetry of the $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$ decay are measured for the first time.…

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★ 157 cited

Search for hidden-sector bosons in $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +724

A search is presented for hidden-sector bosons, $χ$ , produced in the decay $B^{0} \to K^{*} (892)^{0} χ$ , with $K^{*} (892)^{0} \to K^{+} π^{-}$ and $χ \to μ^{+} μ^{-}$ . The search is performed u…

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★ 35 cited

$B$ flavour tagging using charm decays at the LHCb experiment

LHCb collaboration, R. Aaij, B. Adeva +725

An algorithm is described for tagging the flavour content at production of neutral $B$ mesons in the LHCb experiment. The algorithm exploits the correlation of the flavour of a $B$ …

hep-ex2015★ 25 cited

Measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

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

Using $pp$ collision data collected by LHCb at center-of-mass energies $s$ = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb $^{- 1}$ , the ratio of the bran…

hep-ex2015★ 17 cited

Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb

LHCb collaboration, R. Aaij, B. Adeva +701

A search is performed for heavy long-lived charged particles using 3.0 fb $^{- 1}$ of pp collisions collected at $s$ = 7 and 8 TeV with the LHCb detector. The search is mainly…

hep-ex2015★ 313 cited

Angular analysis and differential branching fraction of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$

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

An angular analysis and a measurement of the differential branching fraction of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ are presented, using data corresponding to an integrated luminosity of $…

hep-ex2015★ 6 cited

First observation of the decay $B_{s}^{0} \to K_{S}^{0} K^{*} (892)^{0}$

LHCb collaboration, R. Aaij, B. Adeva +713

A search for $B_{(s)}^{0} \to K_{S}^{0} K^{*} (892)^{0}$ decays is performed using $pp$ collision data, corresponding to an integrated luminosity of $1.0 fb^{- 1}$ , collected…

hep-ex2015★ 635 cited

Measurement of the ratio of branching fractions $B (B^{0} \to D^{+} τ^{-} ν_{τ}) / B (B^{0} \to D^{+} μ^{-} ν_{μ})$

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

The branching fraction ratio $R (D^{*}) \equiv B (B^{0} \to D^{*+} τ^{-} ν_{τ}) / B (B^{0} \to D^{*+} μ^{-} ν_{μ})$ is measured…

hep-ex2015★ 98 cited

Measurement of the exclusive $Υ$ production cross-section in $pp$ collisions at $s =$ 7 TeV and 8 TeV

LHCb collaboration, R. Aaij, B. Adeva +705

A study is presented of central exclusive production of $Υ (n S)$ states, where the $Υ (n S)$ resonances decay to the $μ^{+} μ^{-}$ final state, using $pp$ collision data recorded by the LH…

hep-ex2015★ 19 cited

Study of $B^{-} \to D K^{-} π^{+} π^{-}$ and $B^{-} \to D π^{-} π^{+} π^{-}$ decays and determination of the CKM angle $γ$

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

We report a study of the suppressed $B^{-} \to D K^{-} π^{+} π^{-}$ and favored $B^{-} \to D π^{-} π^{+} π^{-}$ decays, where the neutral $D$ meson is detected through its decays to the $K^{\mp} π^{\pm}$ a…

hep-ex2015★ 137 cited

Measurement of the forward $Z$ boson production cross-section in $pp$ collisions at $s$ = 7 TeV

LHCb collaboration, R. Aaij, B. Adeva +705

A measurement of the production cross-section for $Z$ bosons that decay to muons is presented. The data were recorded by the LHCb detector during $pp$ collisions at a centre-of-mas…

hep-ex2015★ 117 cited

Search for the $Λ_{b} \to Λ η^{'}$ and $Λ_{b} \to Λ η$ decays with the LHCb detector

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

A search is performed for the as yet unobserved baryonic $Λ_{b} \to Λ η^{'}$ and $Λ_{b} \to Λ η$ decays with 3 $f b^{- 1}$ of proton-proton collision data recorded by the…

hep-ex2015★ 178 cited

Search for the decay $B_{s}^{0} \to D^{0} f_{0} (980)$

LHCb collaboration, R. Aaij, B. Adeva +705

A search for $B_{s}^{0} \to D^{0} f_{0} (980)$ decays is performed using $3.0 fb^{- 1}$ of $pp$ collision data recorded by the LHCb experiment during 2011 and 2012. 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 forward W and Z boson production in pp collisions at s​=8TeV

Production of associated Υ and open charm hadrons in pp collisions at s​=7 and 8TeV via double parton scattering

Search for the rare decays B0→J/ψγ and Bs0​→J/ψγ

Evidence for the strangeness-changing weak decay Ξb−​→Λb0​π−

A model-independent confirmation of the Z(4430)− state

Measurements of prompt charm production cross-sections in pp collisions at s​=13TeV

Studies of the resonance structure in D0→KS0​K±π∓ decays

Forward production of Υ mesons in pp collisions at s​=7 and 8TeV

First measurement of the differential branching fraction and CP asymmetry of the B±→π±μ+μ− decay

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

Search for hidden-sector bosons in B0→K∗0μ+μ− decays

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

B flavour tagging using charm decays at the LHCb experiment

Measurement of the branching fraction ratio B(Bc+​→ψ(2S)π+)/B(Bc+​→J/ψπ+)

Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb

Angular analysis and differential branching fraction of the decay Bs0​→ϕμ+μ−

First observation of the decay Bs0​→KS0​K∗(892)0

Measurement of the ratio of branching fractions B(B0→D∗+τ−ντ​)/B(B0→D∗+μ−νμ​)

Measurement of the exclusive Υ production cross-section in pp collisions at s​=7 TeV and 8 TeV

Study of B−→DK−π+π− and B−→Dπ−π+π− decays and determination of the CKM angle γ

Measurement of the forward Z boson production cross-section in pp collisions at s​ = 7 TeV

Search for the Λb​→Λη′ and Λb​→Λη decays with the LHCb detector

Search for the decay Bs0​→D0f0​(980)

Amplitude analysis of B0→Dˉ0K+π− decays

Measurement of forward $W$ and $Z$ boson production in $pp$ collisions at $s = 8 Te V$

Production of associated $Υ$ and open charm hadrons in $pp$ collisions at $s = 7$ and $8$ TeV via double parton scattering

Search for the rare decays $B^{0} \to J / ψ γ$ and $B_{s}^{0} \to J / ψ γ$

Evidence for the strangeness-changing weak decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$

A model-independent confirmation of the $Z (4430)^{-}$ state

Measurements of prompt charm production cross-sections in $pp$ collisions at $s = 13 TeV$

Studies of the resonance structure in $D^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

Forward production of $Υ$ mesons in $pp$ collisions at $s = 7$ and 8TeV

First measurement of the differential branching fraction and $C P$ asymmetry of the $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$ decay

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

Search for hidden-sector bosons in $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decays

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

$B$ flavour tagging using charm decays at the LHCb experiment

Measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

Angular analysis and differential branching fraction of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$

First observation of the decay $B_{s}^{0} \to K_{S}^{0} K^{*} (892)^{0}$

Measurement of the ratio of branching fractions $B (B^{0} \to D^{+} τ^{-} ν_{τ}) / B (B^{0} \to D^{+} μ^{-} ν_{μ})$

Measurement of the exclusive $Υ$ production cross-section in $pp$ collisions at $s =$ 7 TeV and 8 TeV

Study of $B^{-} \to D K^{-} π^{+} π^{-}$ and $B^{-} \to D π^{-} π^{+} π^{-}$ decays and determination of the CKM angle $γ$

Measurement of the forward $Z$ boson production cross-section in $pp$ collisions at $s$ = 7 TeV

Search for the $Λ_{b} \to Λ η^{'}$ and $Λ_{b} \to Λ η$ decays with the LHCb detector

Search for the decay $B_{s}^{0} \to D^{0} f_{0} (980)$

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