A. Richards

activity

20112025

most citedCombined Measurement of the Higgs Boson Mass in

pp

Collisions at

s = 7

and 8 TeV with the ATLAS and CMS Experiments

1.4k citations · 12.7k across the 160 of their papers we have counts for

collaborators

Showing 2014 · hep-exShow all

19 papers · 2 filters

hep-ex2014★ 40 cited

Measurement of $C P$ violation and constraints on the CKM angle $γ$ in $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +695

A model-dependent amplitude analysis of $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays is performed using proton-proton collision data, corresponding to…

hep-ex2014★ 21 cited

Effective lifetime measurements in the $B_{s}^{0} \to K^{+} K^{-}$ , $B^{0} \to K^{+} π^{-}$ and $B_{s}^{0} \to π^{+} K^{-}$ decays

R. Aaij, B. Adeva, M. Adinolfi +689

Measurements of the effective lifetimes in the $B_{s}^{0} \to K^{+} K^{-}$ , $B^{0} \to K^{+} π^{-}$ and $B_{s}^{0} \to π^{+} K^{-}$ decays are presented using…

hep-ex2014★ 86 cited

Measurement of the CP-violating phase $ϕ_{s}$ in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +697

The mixing-induced CP-violating phase $ϕ_{s}$ in $B_{s}^{0}$ and $B_{s}^{0}$ decays is measured using the $J / ψ π^{+} π^{-}$ final state in data, taken from 3\,fb $^{- 1}$ of integrated…

hep-ex2014★ 75 cited

Study of the kinematic dependences of $Λ_{b}^{0}$ production in $pp$ collisions and a measurement of the $Λ_{b}^{0} \to Λ_{c}^{+} π^{-}$ branching fraction

R. Aaij, B. Adeva, M. Adinolfi +689

The kinematic dependences of the relative production rates, $f_{Λ_{b}^{0}} / f_{d}$ , of $Λ_{b}^{0}$ baryons and $B ˉ^{0}$ mesons are measured using $Λ_{b}^{0} \to Λ_{c}^{+} π^{-}$ and $\bar{B}…

hep-ex2014★ 6 cited

Observation of the $B_{s}^{0} \to J / ψ K_{S}^{0} K^{\pm} π^{\mp}$ decay

LHCb collaboration, R. Aaij, B. Adeva +696

Decays of the form $B_{(s)}^{0} \to J / ψ K_{S}^{0} h^{+} h^{(') -}$ ( $h^{(')} = K, π$ ) are searched for in proton-proton collision data corresponding to…

hep-ex2014★ 110 cited

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +697

Time-integrated $C P$ asymmetries in $D^{0}$ decays to the final states $K^{-} K^{+}$ and $π^{-} π^{+}$ are measured using proton-proton collisions corresponding to $3 fb^{- 1}$ of i…

hep-ex2014★ 18 cited

Evidence for the decay $B_{c}^{+} \to J / ψ 3 π^{+} 2 π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +686

Evidence is presented for the decay $B_{c} + \to J / ψ 3 π^{+} 2 π^{-}$ using proton-proton collision data, corresponding to an integrated luminosity of 3fb $^{- 1}$ , collected with the LH…

hep-ex2014★ 165 cited

Evidence for the decay $X (3872) \to ψ (2 S) γ$

LHCb collaboration, R. Aaij, B. Adeva +692

Evidence for the decay mode $X (3872) \to ψ (2 S) γ$ in $B^{+} \to X (3872) K^{+}$ decays is found with a significance of 4.4 standard deviations. The analysis is based on a dat…

hep-ex2014★ 51 cited

Measurements of the $B^{+}$ , $B^{0}$ , $B_{s}^{0}$ meson and $Λ_{b}^{0}$ baryon lifetimes

LHCb collaboration, R. Aaij, B. Adeva +674

Measurements of $b$ -hadron lifetimes are reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0fb $^{- 1}$ , collected by the LHCb detector at a centre-o…

hep-ex2014★ 49 cited

Study of beauty hadron decays into pairs of charm hadrons

LHCb collaboration, R. Aaij, A. Abba +694

First observations of the decays $Λ_{b}^{0} \to Λ_{c}^{+} D_{(s)}^{-}$ are reported using data corresponding to an integrated luminosity of $3 fb^{- 1}$ collected at 7 and 8 TeV center…

hep-ex2014★ 26 cited

Measurement of polarization amplitudes and CP asymmetries in $B^{0} \to ϕ K^{*} (892)^{0}$

LHCb collaboration, R. Aaij, A. Abba +692

An angular analysis of the decay $B^{0} \to ϕ K^{*} (892)^{0}$ is reported based on a $pp$ collision data sample, corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ , collected at a…

hep-ex2014★ 71 cited

Measurement of $ψ (2 S)$ polarisation in $pp$ collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, B. Adeva +693

The polarisation of prompt $ψ (2 S)$ mesons is measured by performing an angular analysis of $ψ (2 S) \to μ^{+} μ^{-}$ decays using proton-proton collision data, corresponding t…

hep-ex2014★ 53 cited

Angular analysis of charged and neutral $B \to K μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +691

The angular distributions of the rare decays $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^{0} \to K_{S}^{0} μ^{+} μ^{-}$ are studied with data corresponding to 3fb $^{- 1}$ of integrate…

hep-ex2014★ 363 cited

Differential branching fractions and isospin asymmetries of $B \to K^{(*)} μ^{+} μ^{-}$ decays

R. Aaij, B. Adeva, M. Adinolfi +690

The isospin asymmetries of $B \to K μ^{+} μ^{-}$ and $B \to K^{*} μ^{+} μ^{-}$ decays and the partial branching fractions of the $B^{0} \to K^{0} μ^{+} μ^{-}$ , $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^+ \to K^{*+}μ^+…

hep-ex2014★ 108 cited

Measurement of resonant and $C P$ components in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +680

The resonant structure of the decay $B_{s}^{0} \to J / ψ π^{+} π^{-}$ is studied using data corresponding to 3 fb $^{- 1}$ of integrated luminosity from $pp$ collisions by the LHC and…

hep-ex2014★ 68 cited

Precision measurement of the ratio of the $Λ_{b}^{0}$ to $B^{0}$ lifetimes

LHCb collaboration, R. Aaij, B. Adeva +680

The LHCb measurement of the lifetime ratio of the $Λ_{b}^{0}$ to the $B^{0}$ meson is updated using data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ collected u…

hep-ex2014★ 39 cited

Measurement of charged particle multiplicities and densities in $pp$ collisions at $s = 7$ TeV in the forward region

R. Aaij, B. Adeva, M. Adinolfi +681

Charged particle multiplicities are studied in proton-proton collisions in the forward region at a centre-of-mass energy of $s = 7$ TeV with data collected by the LHCb dete…

hep-ex2014★ 26 cited

A study of CP violation in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ final states

LHCb collaboration, R. Aaij, B. Adeva +682

A first study of CP violation in the decay modes $B^{\pm} \to [K_{S}^{0} K^{\pm} π^{\mp}]_{D} h^{\pm}$ and $B^{\pm} \to [K_{S}^{0} K^{\mp} π^{\pm}]_{D} h^{\pm}$ , where $h$ labels a $K$ or $π$ meson…

hep-ex2014★ 35 cited

Measurement of Upsilon production in pp collisions at sqrt{s}=2.76 TeV

LHCb collaboration, R. Aaij, B. Adeva +680

The production of Upsilon(1S), Upsilon(2S) and Upsilon(3S) mesons decaying into the dimuon final state is studied with the LHCb detector using a data sample corresponding to an int…

Measurement of CP violation and constraints on the CKM angle γ in B±→DK± with D→KS0​π+π− decays

Effective lifetime measurements in the Bs0​→K+K−, B0→K+π− and Bs0​→π+K− decays

Measurement of the CP-violating phase ϕs​ in Bs0​→J/ψπ+π− decays

Study of the kinematic dependences of Λb0​ production in pp collisions and a measurement of the Λb0​→Λc+​π− branching fraction

Observation of the Bs0​→J/ψKS0​K±π∓ decay

Measurement of CP asymmetry in D0→K−K+ and D0→π−π+ decays

Evidence for the decay Bc+​→J/ψ3π+2π−

Evidence for the decay X(3872)→ψ(2S)γ

Measurements of the B+, B0, Bs0​ meson and Λb0​ baryon lifetimes

Study of beauty hadron decays into pairs of charm hadrons

Measurement of polarization amplitudes and CP asymmetries in B0→ϕK∗(892)0

Measurement of ψ(2S) polarisation in pp collisions at s​=7 TeV

Angular analysis of charged and neutral B→Kμ+μ− decays

Differential branching fractions and isospin asymmetries of B→K(∗)μ+μ− decays

Measurement of resonant and CP components in Bs0​→J/ψπ+π− decays

Precision measurement of the ratio of the Λb0​ to B0 lifetimes

Measurement of charged particle multiplicities and densities in pp collisions at s​=7TeV in the forward region

A study of CP violation in B±→DK± and B±→Dπ± decays with D→KS0​K±π∓ final states

Measurement of Upsilon production in pp collisions at sqrt{s}=2.76 TeV

Measurement of $C P$ violation and constraints on the CKM angle $γ$ in $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays

Effective lifetime measurements in the $B_{s}^{0} \to K^{+} K^{-}$ , $B^{0} \to K^{+} π^{-}$ and $B_{s}^{0} \to π^{+} K^{-}$ decays

Measurement of the CP-violating phase $ϕ_{s}$ in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

Study of the kinematic dependences of $Λ_{b}^{0}$ production in $pp$ collisions and a measurement of the $Λ_{b}^{0} \to Λ_{c}^{+} π^{-}$ branching fraction

Observation of the $B_{s}^{0} \to J / ψ K_{S}^{0} K^{\pm} π^{\mp}$ decay

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

Evidence for the decay $B_{c}^{+} \to J / ψ 3 π^{+} 2 π^{-}$

Evidence for the decay $X (3872) \to ψ (2 S) γ$

Measurements of the $B^{+}$ , $B^{0}$ , $B_{s}^{0}$ meson and $Λ_{b}^{0}$ baryon lifetimes

Measurement of polarization amplitudes and CP asymmetries in $B^{0} \to ϕ K^{*} (892)^{0}$

Measurement of $ψ (2 S)$ polarisation in $pp$ collisions at $s = 7$ TeV

Angular analysis of charged and neutral $B \to K μ^{+} μ^{-}$ decays

Differential branching fractions and isospin asymmetries of $B \to K^{(*)} μ^{+} μ^{-}$ decays

Measurement of resonant and $C P$ components in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

Precision measurement of the ratio of the $Λ_{b}^{0}$ to $B^{0}$ lifetimes

Measurement of charged particle multiplicities and densities in $pp$ collisions at $s = 7$ TeV in the forward region

A study of CP violation in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ final states