N. A. Smith

activity

20102024

most citedDetermination of the X(3872) meson quantum numbers

415 citations · 8.8k across the 132 of their papers we have counts for

collaborators

Showing 2013 · hep-exShow all

45 papers · 2 filters

hep-ex2013★ 20 cited

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

LHCb collaboration, R. Aaij, B. Adeva +672

The first measurement of the effective lifetime of the $B ˉ_{s}^{0}$ meson in the decay $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ is reported using a proton-proton collision dataset, correspondi…

hep-ex2013★ 52 cited

Studies of beauty baryon decays to $D^{0} p h^{-}$ and $Λ_{c}^{+} h^{-}$ final states

LHCb collaboration, R. Aaij, B. Adeva +670

Decays of beauty baryons to the $D^{0} p h^{-}$ and $Λ_{c}^{+} h^{-}$ final states (where $h$ indicates a pion or a kaon) are studied using a data sample of $pp$ collisions, corresponding to…

hep-ex2013★ 41 cited

Measurements of indirect CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

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

A study of indirect CP violation in $D^{0}$ mesons through the determination of the parameter $A_{Γ}$ is presented using a data sample of $pp$ collisions, corresponding to an integrate…

hep-ex2013★ 39 cited

Observation of B^0_(s) -> J/ψf_1(1285) decays and measurement of the f_1(1285) mixing angle

LHCb collaboration, R. Aaij, B. Adeva +666

Decays of Bs and B0 mesons into J/ψπ+π-π+π- final states, produced in pp collisions at the LHC, are investigated using data corresponding to an integrated luminosity of 3/fb collec…

hep-ex2013★ 31 cited

Model-independent search for CP violation in D0 to K-K+pi-pi+ and D0 to pi-pi+pi+pi- decays

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

A search for CP violation in the phase-space structures of D0 and D0bar decays to the final states K-K+pi-pi+ and pi-pi+pi+pi- is presented. The search is carried out with a data s…

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★ 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★ 18 cited

Observation of the decay $B_{s}^{0} \to D ˉ^{0} ϕ$

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

First observation of the decay Bs -> D0bar phi is reported using pp collision data, corresponding to an integrated luminosity of 1.0 fb^-1, collected by the LHCb experiment at a ce…

hep-ex2013★ 46 cited

First measurement of time-dependent CP violation in Bs -> K+K- decays

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

Direct and mixing-induced CP-violating asymmetries in Bs -> K+K- decays are measured for the first time using a data sample of pp collisions, corresponding to an integrated luminos…

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★ 53 cited

Measurement of the flavour-specific CP-violating asymmetry $a_{sl}^{s}$ in $B_{s}^{0}$ decays

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

The CP-violating asymmetry a_{sl}^s is studied using semileptonic decays of Bs and anti-Bs mesons produced in pp collisions at a centre-of-mass energy of 7 TeV at the LHC, exploiti…

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★ 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★ 98 cited

Study of $D_{J}$ meson decays to $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states in pp collision

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

A study of $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , collected at a centre-…

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★ 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★ 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…

hep-ex2013★ 18 cited

First observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +626

The first observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$ is reported. The analysis is based on a data sample corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ …

Measurement of the Bˉs0​→Ds−​Ds+​ and Bˉs0​→D−Ds+​ effective lifetimes

Studies of beauty baryon decays to D0ph− and Λc+​h− final states

Measurements of indirect CP asymmetries in D0→K−K+ and D0→π−π+ decays

Observation of B^0_(s) -> J/ψf_1(1285) decays and measurement of the f_1(1285) mixing angle

Model-independent search for CP violation in D0 to K-K+pi-pi+ and D0 to pi-pi+pi+pi- decays

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

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 Bs0​→Dˉ0ϕ

First measurement of time-dependent CP violation in Bs -> K+K- decays

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

Measurement of the flavour-specific CP-violating asymmetry asls​ in Bs0​ decays

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

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∓

Study of DJ​ meson decays to D+π−, D0π+ and D∗+π− final states in pp collision

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

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

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

First observation of the decay Bs0​→ϕKˉ∗0

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

Studies of beauty baryon decays to $D^{0} p h^{-}$ and $Λ_{c}^{+} h^{-}$ final states

Measurements of indirect CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

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

Observation of the decay $B_{s}^{0} \to D ˉ^{0} ϕ$

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

Measurement of the flavour-specific CP-violating asymmetry $a_{sl}^{s}$ in $B_{s}^{0}$ decays

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

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 $B^{0} \to e^{\pm} μ^{\mp}$

Study of $D_{J}$ meson decays to $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states in pp collision

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

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

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

First observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$