O. Grünberg

activity

20112020

B^{0} \to K^{* 0} μ^{+} μ^{-}

decay using $3\,\mbox{fb}^{-1}$ of integrated luminosity

493 citations · 6.1k across the 108 of their papers we have counts for

collaborators

Showing hep-exShow all

108 papers · 1 filter

hep-ex2020★ 35 cited

Search for a Dark Leptophilic Scalar at BABAR

The BABAR Collaboration

Many scenarios of physics beyond the Standard Model predict the existence of new gauge singlets, which might be substantially lighter than the weak scale. The experimental constrai…

hep-ex2019★ 52 cited

Amplitude analysis of $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +842

The first amplitude analysis of the $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decay is reported based on a data sample corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ of $pp$ collisions…

hep-ex2019★ 2 cited

Measurements of $C P$ asymmetries in charmless four-body $Λ_{b}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

A search for $C P$ violation in charmless four-body decays of $Λ_{b}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons in the final state is performed. To cancel out product…

hep-ex2018★ 40 cited

Measurement of $C P$ asymmetries in two-body $B_{(s)}^{0}$ -meson decays to charged pions and kaons

LHCb collaboration, R. Aaij, B. Adeva +786

The time-dependent $C P$ asymmetries in $B^{0} \to π^{+} π^{-}$ and $B_{s}^{0} \to K^{+} K^{-}$ decays are measured using a data sample of $pp$ collisions corresponding to an integrated luminosity…

hep-ex2018★ 22 cited

Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, B. Adeva +791

Forward top quark pair production is studied in $pp$ collisions in the $μ e b$ final state using a data sample corresponding to an integrated luminosity of 1.93 fb $^{- 1}$ collected w…

hep-ex2017★ 35 cited

Evidence for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +791

A search for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$ is performed using $pp$ collision data recorded by the LHCb experiment at centre-of-mass energies $s = 7$ and $8$ TeV, corres…

hep-ex2017★ 312 cited

Test of Lepton Flavor Universality by the measurement of the $B^{0} \to D^{*-} τ^{+} ν_{τ}$ branching fraction using three-prong $τ$ decays

LHCb collaboration, R. Aaij, B. Adeva +806

The ratio of branching fractions $R (D^{*-}) \equiv B (B^{0} \to D^{*-} τ^{+} ν_{τ}) / B (B^{0} \to D^{*-} μ^{+} ν_{μ})$ is measured using a data sample of proton-proton colli…

hep-ex2017★ 5 cited

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +804

The decay $Z \to b b ˉ$ is reconstructed in $pp$ collision data, corresponding to 2 fb $^{- 1}$ of integrated luminosity, collected by the LHCb experiment at a centre-of-…

hep-ex2017★ 81 cited

Prompt and nonprompt J/ $ψ$ production and nuclear modification in $p$ Pb collisions at $s_{NN} = 8.16$ TeV

LHCb collaboration, R. Aaij, B. Adeva +806

The production of J/ $ψ$ mesons is studied in proton-lead collisions at the centre-of-mass energy per nucleon pair $s_{NN} = 8.16$ TeV with the LHCb detector at the LHC.…

hep-ex2017★ 13 cited

First observation of a baryonic $B_{s}^{0}$ decay

LHCb collaboration, R. Aaij, B. Adeva +776

We report the first observation of a baryonic $B_{s}^{0}$ decay, $B_{s}^{0} \to p Λ K^{-}$ , using proton-proton collision data recorded by the LHCb experime…

hep-ex2017★ 14 cited

Observation of the decay $B_{s}^{0} \to η_{c} ϕ$ and evidence for $B_{s}^{0} \to η_{c} π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +762

A study of $B_{s}^{0} \to η_{c} ϕ$ and $B_{s}^{0} \to η_{c} π^{+} π^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 3.0$\,\rm fb^{-1}…

hep-ex2017★ 32 cited

Measurement of the $C P$ violation parameter $A_{Γ}$ in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

Asymmetries in the time-dependent rates of $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays are measured in a $pp$ collision data sample collected with the LHCb detector during LHC Run…

hep-ex2017★ 82 cited

Study of the $D^{0} p$ amplitude in $Λ_{b}^{0} \to D^{0} p π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

An amplitude analysis of the decay $Λ_{b}^{0} \to D^{0} p π^{-}$ is performed in the part of the phase space containing resonances in the $D^{0} p$ channel. The study is based on a data sampl…

hep-ex2016★ 77 cited

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, B. Adeva +763

The production cross-section of $J / ψ$ pairs is measured using a data sample of $pp$ collisions collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s} = 13 \,{\mat…

hep-ex2016★ 98 cited

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +766

Measurements of the cross-section for producing \bquark quarks in the reaction $pp \to b b ˉ X$ are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapi…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016★ 30 cited

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +765

A search for the $B^{0} \to K^{+} K^{-}$ decay is performed using $pp$ -collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb $^{- 1}$ at c…

hep-ex2016★ 117 cited

Measurement of matter-antimatter differences in beauty baryon decays

LHCb collaboration, R. Aaij, B. Adeva +762

Differences in the behaviour of matter and antimatter have been observed in $K$ and $B$ meson decays, but not yet in any baryon decay. Such differences are associated with the non-…

hep-ex2016★ 43 cited

Search for Higgs-like bosons decaying into long-lived exotic particles

LHCb collaboration, R. Aaij, B. Adeva +736

A search is presented for massive long-lived particles, in the 20-60 GeV mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to 0.62 1\fb of proton-proton…

hep-ex2016★ 16 cited

Measurement of $C P$ violation in $B^{0} \to D^{+} D^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +767

The $C P$ violation observables $S$ and $C$ in the decay channel $B^{0} \to D^{+} D^{-}$ are determined from a sample of proton-proton collisions at center-of-mass energies of 7…

hep-ex2016★ 48 cited

Measurement of forward $W \to e ν$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +763

A measurement of the cross-section for $W \to e ν$ production in $pp$ collisions is presented using data corresponding to an integrated luminosity of $2$ fb $^{- 1}$ collected by the…

hep-ex2016★ 13 cited

Search for the suppressed decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +761

A search is made for the highly-suppressed B meson decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$ using a data sample corresponding to an integrat…

hep-ex2016★ 41 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, B. Adeva +755

The ratio of branching fractions $R_{K / π} \equiv B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$ is measured with $pp$ collision data collected by the LHCb…

Search for a Dark Leptophilic Scalar at BABAR

Amplitude analysis of B±→π±K+K− decays

Measurements of CP asymmetries in charmless four-body Λb​ and Ξb0​ decays

Measurement of CP asymmetries in two-body B(s)0​-meson decays to charged pions and kaons

Measurement of forward top pair production in the dilepton channel in pp collisions at s​=13 TeV

Evidence for the rare decay Σ+→pμ+μ−

Test of Lepton Flavor Universality by the measurement of the B0→D∗−τ+ντ​ branching fraction using three-prong τ decays

First observation of forward Z→bbˉ production in pp collisions at s​=8 TeV

Prompt and nonprompt J/ψ production and nuclear modification in pPb collisions at sNN​​=8.16 TeV

First observation of a baryonic Bs0​ decay

Observation of the decay Bs0​→ηc​ϕ and evidence for Bs0​→ηc​π+π−

Measurement of the CP violation parameter AΓ​ in D0→K+K− and D0→π+π− decays

Study of the D0p amplitude in Λb0​→D0pπ− decays

Measurement of the J/ψ pair production cross-section in pp collisions at s​=13TeV

Measurement of the b-quark production cross-section in 7 and 13 TeV pp collisions

Observation of the decay Ξb−​→pK−K−