A. Richards

activity

20122019

most citedMeasurement of form-factor independent observables in the decay

B^{0} \to K^{* 0} μ^{+} μ^{-}

559 citations · 6.4k across the 80 of their papers we have counts for

collaborators

Showing 2013 · hep-exShow all

48 papers · 2 filters

hep-ex2013★ 116 cited

Measurement of CP violation in the phase space of $B^{\pm} \to K^{+} K^{-} π^{\pm}$ and $B^{\pm} \to π^{+} π^{-} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +656

The charmless decays $B^{\pm} \to K^{+} K^{-} π^{\pm}$ and $B^{\pm} \to π^{+} π^{-} π^{\pm}$ are reconstructed in a data set, corresponding to an integrated luminosity…

hep-ex2013

Search for the decay D0 to π+ π- μ+ μ-

LHCb collaboration, R. Aaij, B. Adeva +656

A search for the D0 to π+ π- μ+ μ- decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated lu…

hep-ex2013★ 36 cited

Observation of the decay $B_{c} \to J / ψ K^{+} K^{-} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +656

The decay $B_{c} \to J / ψ K^{+} K^{-} π^{+}$ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity…

hep-ex2013★ 72 cited

Measurement of D0-D0bar mixing parameters and search for CP violation using D0->K+pi- decays

LHCb collaboration, R. Aaij, B. Adeva +657

Measurements of charm mixing parameters from the decay-time-dependent ratio of D0->K+pi- to D0->K-pi+ rates and the charge-conjugate ratio are reported. The analysis uses data, cor…

hep-ex2013★ 559 cited

Measurement of form-factor independent observables in the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +655

We present a measurement of form-factor independent angular observables in the decay \mbox{ $B^{0} \to K^{*} (892)^{0} μ^{+} μ^{-}$ }. The analysis is based on a data sample corresponding to…

hep-ex2013★ 18 cited

First evidence for the two-body charmless baryonic decay $B^{0} \to p p ˉ$

LHCb collaboration, R. Aaij, B. Adeva +657

The results of a search for the rare two-body charmless baryonic decays $B^{0} \to p p ˉ$ and $B_{s}^{0} \to p p ˉ$ are reported. The analysis uses a data sample, corresponding t…

hep-ex2013★ 32 cited

First observation of B0->J/ψK+K- and search for B0->J/ψϕ decays

LHCb collaboration, R. Aaij, B. Adeva +652

The first observation of the B0->J/ψK+K- decay is presented with a data sample corresponding to an integrated luminosity of 1.0/fb of pp collisions at a center-of-mass energy of 7…

hep-ex2013★ 70 cited

Observation of the decay Bc+ -> Bs0 pi+

LHCb collaboration, R. Aaij, B. Adeva +653

The result of a search for the decay Bc+ -> Bs0 pi+ is presented, using the Bs0 -> Ds- pi+ and Bs0 -> J/psi Phi channels. The analysis is based on a data sample of pp collisions co…

hep-ex2013

Measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +657

A measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays is presented using $pp$ collision data, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , r…

hep-ex2013★ 22 cited

Observation of $B_{s}^{0}$ - $B ˉ_{s}^{0}$ mixing and measurement of mixing frequencies using semileptonic B decays

LHCb collaboration, R. Aaij, B. Adeva +657

The $B_{s}^{0}$ and $B^{0}$ mixing frequencies, $Δ m_{s}$ and $Δ m_{d}$ , are measured using a data sample corresponding to an integrated luminosity of 1.0 fb^{-1} collected by the LHCb experim…

hep-ex2013★ 15 cited

Branching fraction and CP asymmetry of the decays $B^{+} \to K_{S}^{0} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +655

An analysis of $B^{+} \to K_{S}^{0} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+}$ decays is performed with the LHCb experiment. The $pp$ collision data u…

hep-ex2013★ 19 cited

Studies of the decays $B^{+} \to p p ˉ h^{+}$ and observation of $B^{+} \to Λ ˉ (1520) p$

LHCb collaboration, R. Aaij, B. Adeva +652

Dynamics and direct $C ¶$ violation in three-body charmless decays of charged $B$ mesons to a proton, an antiproton and a light meson (pion or kaon) are studied using data, correspo…

hep-ex2013★ 24 cited

Study of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays with first observation of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ and $B_{s}^{0} \to K_{S}^{0} π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +657

A search for charmless three-body decays of $B^{0}$ and $B_{s}^{0}$ mesons with a $K_{S}^{0}$ meson in the final state is performed using the $pp$ collision data, corresponding to an…

hep-ex2013★ 75 cited

Observation of a resonance in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays at low recoil

LHCb collaboration, R. Aaij, B. Adeva +657

A broad peaking structure is observed in the dimuon spectrum of $B^{+} \to K^{+} μ^{+} μ^{-}$ decays in the kinematic region where the kaon has a low recoil against the dimuon system. The s…

hep-ex2013★ 153 cited

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +627

An angular analysis of the decay $J / ψ \to μ^{+} μ^{-}$ is performed to measure the polarization of prompt $J / ψ$ mesons produced in $pp$ collisions at $\sqrt{s}=7\; \mathrm{T…

hep-ex2013★ 302 cited

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and search for $B^{0} \to μ^{+} μ^{-}$ decays at the LHCb experiment

LHCb collaboration, R. Aaij, B. Adeva +650

A search for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$ is performed at the LHCb experiment. The data analysed correspond to an integrated luminosity of 1 fb $^{- 1}$ of $…

hep-ex2013★ 37 cited

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

LHCb collaboration, R. Aaij, B. Adeva +650

A search for the lepton-flavour violating decays $B_{s}^{0} \to e^{\pm} μ^{\mp}$ and $B^{0} \to e^{\pm} μ^{\mp}$ is performed with a data sample, corresponding to an integrated luminosit…

hep-ex2013★ 52 cited

Measurement of the relative rate of prompt $χ_{c 0}$ , $χ_{c 1}$ and $χ_{c 2}$ production at $s = 7$ TeV

LHCb collaboration, R. Aaij, B. Adeva +648

Prompt production of charmonium $χ_{c 0}$ , $χ_{c 1}$ and $χ_{c 2}$ mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of $s = 7$ TeV. The $χ_{c…

hep-ex2013★ 37 cited

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +632

An analysis of the decay B0 -> J/psi K*(892)0 is presented using data, corresponding to an integrated luminosity of 1.0fb^-1, collected in pp collisions at a centre-of-mass energy…

hep-ex2013★ 81 cited

First observation of the decay $B_{c}^{+} \to J / ψ K^{+}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +632

The decay $B_{c}^{+} \to J / ψ K^{+}$ is observed for the first time using a data sample, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , collected by the LHCb experiment in…

hep-ex2013★ 55 cited

Measurement of the differential branching fraction of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +650

The differential branching fraction of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ is measured as a function of the square of the dimuon invariant mass, $q^{2}$ . A yield of $78 \pm 12$ $Λ_b^0\…

hep-ex2013★ 120 cited

Measurement of CP violation in the phase space of $B^{\pm} \to K^{\pm} π^{+} π^{-}$ and $B^{\pm} \to K^{\pm} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +647

The charmless decays $B^{\pm} \to K^{\pm} π^{+} π^{-}$ and $B^{\pm} \to K^{\pm} K^{+} K^{-}$ are reconstructed using data, corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ , collected b…

hep-ex2013★ 17 cited

Searches for $B_{(s)}^{0} \to J / ψ p p$ and $B^{+} \to J / ψ p p π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +650

The results of searches for $B_{(s)}^{0} \to J / ψ p p$ and $B^{+} \to J / ψ p p π^{+}$ decays are reported. The analysis is based on a data sample, corre…

hep-ex2013★ 77 cited

Measurement of B meson production cross-sections in proton-proton collisions at sqrt(s)= 7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +625

The production cross-sections of B mesons are measured in pp collisions at a centre-of-mass energy of 7 TeV, using data collected with the LHCb detector corresponding to a integrat…

Measurement of CP violation in the phase space of B±→K+K−π± and B±→π+π−π± decays

Search for the decay D0 to π+ π- μ+ μ-

Observation of the decay Bc​→J/ψK+K−π+

Measurement of D0-D0bar mixing parameters and search for CP violation using D0->K+pi- decays

Measurement of form-factor independent observables in the decay B0→K∗0μ+μ−

First evidence for the two-body charmless baryonic decay B0→ppˉ​

First observation of B0->J/ψK+K- and search for B0->J/ψϕ decays

Observation of the decay Bc+ -> Bs0 pi+

Measurement of the C¶ asymmetry in B+→K+μ+μ− decays

Observation of Bs0​-Bˉs0​ mixing and measurement of mixing frequencies using semileptonic B decays

Branching fraction and CP asymmetry of the decays B+→KS0​π+ and B+→KS0​K+

Studies of the decays B+→ppˉ​h+ and observation of B+→Λˉ(1520)p

Study of B(s)0​→KS0​h+h′− decays with first observation of Bs0​→KS0​K±π∓ and Bs0​→KS0​π+π−

Observation of a resonance in B+→K+μ+μ− decays at low recoil

Measurement of J/ψ polarization in pp collisions at s​=7 TeV

Measurement of the Bs0​→μ+μ− branching fraction and search for B0→μ+μ− decays at the LHCb experiment

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

Measurement of the relative rate of prompt χc0​, χc1​ and χc2​ production at s​=7TeV

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

First observation of the decay Bc+​→J/ψK+

Measurement of the differential branching fraction of the decay Λb0​→Λμ+μ−

Measurement of CP violation in the phase space of B±→K±π+π− and B±→K±K+K− decays

Searches for B(s)0​→J/ψpp​ and B+→J/ψpp​π+ decays

Measurement of B meson production cross-sections in proton-proton collisions at sqrt(s)= 7 TeV

Measurement of CP violation in the phase space of $B^{\pm} \to K^{+} K^{-} π^{\pm}$ and $B^{\pm} \to π^{+} π^{-} π^{\pm}$ decays

Observation of the decay $B_{c} \to J / ψ K^{+} K^{-} π^{+}$

Measurement of form-factor independent observables in the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

First evidence for the two-body charmless baryonic decay $B^{0} \to p p ˉ$

Measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

Observation of $B_{s}^{0}$ - $B ˉ_{s}^{0}$ mixing and measurement of mixing frequencies using semileptonic B decays

Branching fraction and CP asymmetry of the decays $B^{+} \to K_{S}^{0} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+}$

Studies of the decays $B^{+} \to p p ˉ h^{+}$ and observation of $B^{+} \to Λ ˉ (1520) p$

Study of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays with first observation of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ and $B_{s}^{0} \to K_{S}^{0} π^{+} π^{-}$

Observation of a resonance in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays at low recoil

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and search for $B^{0} \to μ^{+} μ^{-}$ decays at the LHCb experiment

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

Measurement of the relative rate of prompt $χ_{c 0}$ , $χ_{c 1}$ and $χ_{c 2}$ production at $s = 7$ TeV

First observation of the decay $B_{c}^{+} \to J / ψ K^{+}$

Measurement of the differential branching fraction of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$

Measurement of CP violation in the phase space of $B^{\pm} \to K^{\pm} π^{+} π^{-}$ and $B^{\pm} \to K^{\pm} K^{+} K^{-}$ decays

Searches for $B_{(s)}^{0} \to J / ψ p p$ and $B^{+} \to J / ψ p p π^{+}$ decays