E. P. Olloqui

activity

20102020

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 6.7k across the 75 of their papers we have counts for

collaborators

Showing 2014Show all

24 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★ 81 cited

Measurement of $B_{c}^{+}$ production in proton-proton collisions at $s = 8$ TeV

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

Production of $B_{c}^{+}$ mesons in proton-proton collisions at a center-of-mass energy of 8 TeV is studied with data corresponding to an integrated luminosity of $2.0 fb^{- 1}$ r…

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★ 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

Study of $χ_{b}$ meson production in pp collisions at $s = 7$ and 8TeV and observation of the decay $χ_{b} \to Υ (3 S) γ$

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

A study of $χ_{b}$ meson production at LHCb is performed on proton-proton collision data, corresponding to 3.0fb $^{- 1}$ of integrated luminosity collected at centre-of-mass energie…

hep-ex2014★ 50 cited

Observation of the $Λ_{b}^{0} \to J / ψ p π^{-}$ decay

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

The first observation of the Cabibbo-suppressed decay $Λ_{b}^{0} \to J / ψ p π^{-}$ is reported using a data sample of proton-proton collisions at 7 and 8 TeV, corresponding to an in…

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★ 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★ 19 cited

Measurement of CP violation in $B_{s}^{0} \to ϕϕ$ decays

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

A measurement of the decay time dependent CP-violating asymmetry in $B_{s}^{0} \to ϕϕ$ decays is presented, along with measurements of the $T$ -odd triple-product asymmetries. In this d…

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…

nucl-ex2014★ 62 cited

Study of $Υ$ production and cold nuclear matter effects in pPb collisions at $s_{N N} = 5 TeV$

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

Production of $Υ$ mesons in proton-lead collisions at a nucleon-nucleon centre-of-mass energy $s_{N N} = 5 TeV$ is studied with the LHCb detector. The analysis is base…

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★ 159 cited

Updated measurements of exclusive $J / ψ$ and $ψ (2 S)$ production cross-sections in $pp$ collisions at $s = 7$ TeV

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

The differential cross-section as a function of rapidity has been measured for the exclusive production of $J / ψ$ and $ψ (2 S)$ mesons in proton-proton collisions at $s = 7$ TeV,…

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

Observation of two new Ξb−​ baryon resonances

Measurement of Bc+​ production in proton-proton collisions at s​=8 TeV

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

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

Study of χb​ meson production in pp collisions at s​=7 and 8TeV and observation of the decay χb​→Υ(3S)γ

Observation of the Λb0​→J/ψpπ− decay

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

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

Measurement of CP violation in Bs0​→ϕϕ 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

Study of Υ production and cold nuclear matter effects in pPb collisions at sNN​​=5 TeV

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

Updated measurements of exclusive J/ψ and ψ(2S) production cross-sections in pp collisions at s​=7 TeV

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 $B_{c}^{+}$ production in proton-proton collisions at $s = 8$ TeV

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

Study of $χ_{b}$ meson production in pp collisions at $s = 7$ and 8TeV and observation of the decay $χ_{b} \to Υ (3 S) γ$

Observation of the $Λ_{b}^{0} \to J / ψ p π^{-}$ decay

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

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

Measurement of CP violation in $B_{s}^{0} \to ϕϕ$ decays

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

Study of $Υ$ production and cold nuclear matter effects in pPb collisions at $s_{N N} = 5 TeV$

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

Updated measurements of exclusive $J / ψ$ and $ψ (2 S)$ production cross-sections in $pp$ collisions at $s = 7$ TeV