D. A. Roa Romero

activity

20102015

most citedTest of lepton universality using

B^{+} \to K^{+} ℓ^{+} ℓ^{-}

decays

952 citations · 4.6k across the 53 of their papers we have counts for

collaborators

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52 papers · 1 filter

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-ex2014★ 14 cited

First observations of the rare decays $B^{+} - > K^{+} π^{+} π^{-} μ^{+} μ^{-}$ and $B^{+} - > ϕ K^{+} μ^{+} μ^{-}$

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

First observations of the rare decays $B^{+} \to K^{+} π^{+} π^{-} μ^{+} μ^{-}$ and $B^{+} \to ϕ K^{+} μ^{+} μ^{-}$ are presented using data corresponding to an integrated luminosity of $3.0\,{…

hep-ex2014★ 19 cited

Measurement of the $B_{s}^{0}$ meson lifetime in $D_{s}^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +698

We present a measurement of the ratio of the Bs meson lifetime, in the flavor-specific decay to $D_{s}^{+} π^{-}$ , to that of the B0 meson. The pp collision data used correspond to an int…

hep-ex2014★ 36 cited

Measurement of CP violation parameters in B0->D K*0 decays

LHCb collaboration, R. Aaij, B. Adeva +698

An analysis of B0->D K*0 decays is presented, where D represents an admixture of D0 and D0b mesons reconstructed in four separate final states: K-pi+, pi-K+, K+K- and pi+pi-. The d…

hep-ex2014★ 90 cited

Observation of overlapping spin-1 and spin-3 $D ˉ^{0} K^{-}$ resonances at mass $2.86 GeV / c^{2}$

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

The resonant substructure of $B_{s}^{0} \to D ˉ^{0} K^{-} π^{+}$ decays is studied using a data sample corresponding to an integrated luminosity of $3.0 fb^{- 1}$ of $pp$ c…

hep-ex2014★ 27 cited

Measurement of CP asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +698

We report on measurements of the time-dependent CP violating observables in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays using a dataset corresponding to 1.0 fb $^{- 1}$ of pp collisi…

hep-ex2014★ 952 cited

Test of lepton universality using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

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

A measurement of the ratio of the branching fractions of the $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^{+} \to K^{+} e^{+} e^{-}$ decays is presented using proton-proton colli…

hep-ex2014★ 57 cited

Observation of $Z$ production in proton-lead collisions at LHCb

LHCb collaboration, R. Aaij, B. Adeva +702

The first observation of $Z$ boson production in proton-lead collisions at a centre-of-mass energy per proton-nucleon pair of $s_{N N} = 5 TeV$ is presented. The data sa…

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★ 21 cited

Measurement of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryon lifetimes

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

Using a data sample of pp collisions corresponding to an integrated luminosity of $3 f b^{- 1}$ , the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons are reconstructed in the $Ξ_b^- \rightarrow J/ψΞ…

hep-ex2014★ 92 cited

Measurement of the resonant and CP components in $B^{0} \to J / ψ π^{+} π^{-}$ decays

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

The resonant structure of the reaction $B^{0} \to J / ψ π^{+} π^{-}$ is studied using data from 3 fb $^{- 1}$ of integrated luminosity collected by the LHCb experiment, one-t…

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★ 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★ 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★ 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…

hep-ex2013★ 67 cited

Study of forward Z+jet production in pp collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, B. Adeva +667

A measurement of the $Z (\to μ^{+} μ^{-})$ +jet production cross-section in $pp$ collisions at a centre-of-mass energy $s = 7$ TeV is presented. The analysis is based on an…

hep-ex2013★ 51 cited

Search for CP violation in the decay $D^{+} \to π^{-} π^{+} π^{+}$

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

A search for CP violation in the phase space of the decay $D^{+} \to π^{-} π^{+} π^{+}$ is reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ , colle…

hep-ex2013★ 87 cited

Search for the doubly charmed baryon Xi_cc^+

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

A search for the doubly charmed baryon Xi_cc^+ in the decay mode Xi_cc^+ -> Lambda_c^+ K^- pi^+ is performed with a data sample, corresponding to an integrated luminosity of 0.65/f…

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…

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

First observations of the rare decays B+−>K+π+π−μ+μ− and B+−>ϕK+μ+μ−

Measurement of the Bs0​ meson lifetime in Ds+​π− decays

Measurement of CP violation parameters in B0->D K*0 decays

Observation of overlapping spin-1 and spin-3 Dˉ0K− resonances at mass 2.86GeV/c2

Measurement of CP asymmetry in Bs0​→Ds∓​K± decays

Test of lepton universality using B+→K+ℓ+ℓ− decays

Observation of Z production in proton-lead collisions at LHCb

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

Measurement of the Ξb−​ and Ωb−​ baryon lifetimes

Measurement of the resonant and CP components in B0→J/ψπ+π− decays

Evidence for the decay X(3872)→ψ(2S)γ

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

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

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

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

Study of forward Z+jet production in pp collisions at s​=7 TeV

Search for CP violation in the decay D+→π−π+π+

Search for the doubly charmed baryon Xi_cc^+

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

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

First observations of the rare decays $B^{+} - > K^{+} π^{+} π^{-} μ^{+} μ^{-}$ and $B^{+} - > ϕ K^{+} μ^{+} μ^{-}$

Measurement of the $B_{s}^{0}$ meson lifetime in $D_{s}^{+} π^{-}$ decays

Observation of overlapping spin-1 and spin-3 $D ˉ^{0} K^{-}$ resonances at mass $2.86 GeV / c^{2}$

Measurement of CP asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

Test of lepton universality using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

Observation of $Z$ production in proton-lead collisions at LHCb

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

Measurement of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryon lifetimes

Measurement of the resonant and CP components in $B^{0} \to J / ψ π^{+} π^{-}$ decays

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

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

Study of forward Z+jet production in pp collisions at $s = 7$ TeV

Search for CP violation in the decay $D^{+} \to π^{-} π^{+} π^{+}$