O. Francisco

activity

20122026

most citedMeasurement of the ratio of branching fractions

B (B^{0} \to D^{*+} τ^{-} ν_{τ}) / B (B^{0} \to D^{*+} μ^{-} ν_{μ})

635 citations · 11.8k across the 313 of their papers we have counts for

collaborators

Showing 2014Show all

19 papers · 1 filter

hep-ex2014★ 140 cited

Precision measurement of $C P$ violation in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays

R. Aaij, B. Adeva, M. Adinolfi +696

The time-dependent $C P$ asymmetry in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays is measured using $pp$ collision data, corresponding to an integrated luminosity of $3.0$ fb $^{- 1}$ , collected with…

hep-ex2014★ 75 cited

Observation of two new $Ξ_{b}^{-}$ baryon resonances

LHCb collaboration, R. Aaij, B. Adeva +699

Two structures are observed close to the kinematic threshold in the $Ξ_{b}^{0} π^{-}$ mass spectrum in a sample of proton-proton collision data, corresponding to an integrated luminosity…

hep-ex2014★ 54 cited

Measurement of the semileptonic $C P$ asymmetry in $B^{0} - B^{0}$ mixing

LHCb collaboration, R. Aaij, B. Adeva +700

The semileptonic $C P$ asymmetry in $B^{0} - B^{0}$ mixing, $a_{sl}^{d}$ , is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb$^…

hep-ex2014★ 46 cited

Precision measurement of the mass and lifetime of the Xi_b^- baryon

LHCb collaboration, R. Aaij, B. Adeva +699

We report on measurements of the mass and lifetime of the Xi_b^- baryon using about 1800 Xi_b^- decays reconstructed in a proton-proton collision data set corresponding to an integ…

hep-ex2014★ 101 cited

Measurement of the $η_{c} (1 S)$ production cross-section in proton-proton collisions via the decay $η_{c} (1 S) \to p p ˉ$

LHCb collaboration, R. Aaij, C. Abellán Beteta +705

The production of the $η_{c} (1 S)$ state in proton-proton collisions is probed via its decay to the $p p ˉ$ final state with the LHCb detector, in the rapidity range $2.0 < y < 4…

hep-ex2014★ 36 cited

First observation of a baryonic $B_{c}^{+}$ decay

LHCb collaboration, R. Aaij, B. Adeva +699

A baryonic decay of the $B_{c}^{+}$ meson, $B_{c}^{+} \to J / ψ p p π^{+}$ , is observed for the first time, with a significance of $7.3$ standard deviations, in $pp$ collision data coll…

hep-ex2014★ 115 cited

Measurements of $C P$ violation in the three-body phase space of charmless $B^{\pm}$ decays

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

The charmless three-body decay modes $B^{\pm} \to K^{\pm} π^{+} π^{-}$ , $B^{\pm} \to K^{\pm} K^{+} K^{-}$ , $B^{\pm} \to π^{\pm} K^{+} K^{-}$ and $B^{\pm} \r…

hep-ex2014★ 30 cited

Determination of gamma and -2beta_s from charmless two-body decays of beauty mesons

LHCb collaboration, R. Aaij, C. Abellán Beteta +702

Using the latest LHCb measurements of time-dependent CP violation in the B^0_s -> K^+K^- decay, a U-spin relation between the decay amplitudes of B^0_s -> K^+K^- and B^0 -> π^+π^-…

hep-ex2014★ 27 cited

Search for $C P$ violation using $T$ -odd correlations in $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decays

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

A search for $C P$ violation using $T$ -odd correlations is performed using the four-body $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay, selected from semileptonic $B$ decays. The data sample corresp…

hep-ex2014★ 26 cited

Evidence for CP violation in $B^{+} \to p p ˉ K^{+}$ decays

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

Three-body $B^{+} \to p p K^{+}$ and $B^{+} \to p p π^{+}$ decays are studied using a data sample corresponding to an integrated luminosity of 3.0 $f b^{- 1}$ collected by…

hep-ex2014★ 22 cited

First measurement of the charge asymmetry in beauty-quark pair production at a hadron collider

R. Aaij, B. Adeva, M. Adinolfi +700

The difference in the angular distributions between beauty quarks and antiquarks, referred to as the charge asymmetry, is measured for the first time in $b b ˉ$ pair production…

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★ 398 cited

Observation of the resonant character of the $Z (4430)^{-}$ state

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

Resonant structures in $B^{0} \to ψ^{'} π^{-} K^{+}$ decays are analyzed by performing a four-dimensional fit of the decay amplitude, using $pp$ collision data corresponding to $3f b^{- 1}$ …

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★ 138 cited

Search for Majorana neutrinos in $B^{-} \to π^{+} μ^{-} μ^{-}$ decays

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

A search for heavy Majorana neutrinos produced in the $B^{-} \to π^{+} μ^{-} μ^{-}$ decay mode is performed using 3 fb $^{- 1}$ of integrated luminosity collected with the LHCb detector in $pp…

hep-ex2014★ 59 cited

Observation of photon polarization in the $b \to s γ$ transition

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

This Letter presents a study of the flavor-changing neutral current radiative $B^{\pm} \to K^{\pm} π^{\mp} π^{\pm} γ$ decays performed using data collected in proton-proton collisions…

hep-ex2014★ 42 cited

Searches for $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays to $K_{S}^{0} p π^{-}$ and $K_{S}^{0} p K^{-}$ final states with first observation of the $Λ_{b}^{0} \to K_{S}^{0} p π^{-}$ decay

LHCb collaboration, R. Aaij, B. Adeva +671

A search for previously unobserved decays of beauty baryons to the final states $K_{S}^{0} p π^{-}$ and $K_{S}^{0} p K^{-}$ is reported. The…

hep-ex2014★ 50 cited

Measurement of the $B_{c}^{+}$ meson lifetime using $B_{c}^{+} \to J / ψ μ^{+} ν_{μ} X$ decays

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

The lifetime of the $B_{c}^{+}$ meson is measured using semileptonic decays having a $J / ψ$ meson and a muon in the final state. The data, corresponding to an integrated luminosity…

hep-ex2014★ 32 cited

Observation of associated production of a $Z$ boson with a $D$ meson in the~forward region

LHCb collaboration, R. Aaij, B. Adeva +673

A search for associated production of a $Z$ boson with an open charm meson is presented using a data sample, corresponding to an integrated luminosity of $1.0 fb^{- ‘}$ of…

Precision measurement of CP violation in Bs0​→J/ψK+K− decays

Observation of two new Ξb−​ baryon resonances

Measurement of the semileptonic CP asymmetry in B0−B0 mixing

Precision measurement of the mass and lifetime of the Xi_b^- baryon

Measurement of the ηc​(1S) production cross-section in proton-proton collisions via the decay ηc​(1S)→ppˉ​

First observation of a baryonic Bc+​ decay

Measurements of CP violation in the three-body phase space of charmless B± decays

Determination of gamma and -2beta_s from charmless two-body decays of beauty mesons

Search for CP violation using T-odd correlations in D0→K+K−π+π− decays

Evidence for CP violation in B+→ppˉ​K+ decays

First measurement of the charge asymmetry in beauty-quark pair production at a hadron collider

Observation of Z production in proton-lead collisions at LHCb

Observation of the resonant character of the Z(4430)− state

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

Search for Majorana neutrinos in B−→π+μ−μ− decays

Observation of photon polarization in the b→sγ transition

Searches for Λb0​ and Ξb0​ decays to KS0​pπ− and KS0​pK− final states with first observation of the Λb0​→KS0​pπ− decay

Measurement of the Bc+​ meson lifetime using Bc+​→J/ψμ+νμ​X decays

Observation of associated production of a Z boson with a D meson in the~forward region

Precision measurement of $C P$ violation in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays

Observation of two new $Ξ_{b}^{-}$ baryon resonances

Measurement of the semileptonic $C P$ asymmetry in $B^{0} - B^{0}$ mixing

Measurement of the $η_{c} (1 S)$ production cross-section in proton-proton collisions via the decay $η_{c} (1 S) \to p p ˉ$

First observation of a baryonic $B_{c}^{+}$ decay

Measurements of $C P$ violation in the three-body phase space of charmless $B^{\pm}$ decays

Search for $C P$ violation using $T$ -odd correlations in $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decays

Evidence for CP violation in $B^{+} \to p p ˉ K^{+}$ decays

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

Observation of the resonant character of the $Z (4430)^{-}$ state

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

Search for Majorana neutrinos in $B^{-} \to π^{+} μ^{-} μ^{-}$ decays

Observation of photon polarization in the $b \to s γ$ transition

Searches for $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays to $K_{S}^{0} p π^{-}$ and $K_{S}^{0} p K^{-}$ final states with first observation of the $Λ_{b}^{0} \to K_{S}^{0} p π^{-}$ decay

Measurement of the $B_{c}^{+}$ meson lifetime using $B_{c}^{+} \to J / ψ μ^{+} ν_{μ} X$ decays

Observation of associated production of a $Z$ boson with a $D$ meson in the~forward region