G. Ciezarek

activity

20112021

most citedDifferential branching fraction and angular analysis of the decay

B^{0} \to K^{* 0} μ^{+} μ^{-}

185 citations · 1.2k across the 17 of their papers we have counts for

collaborators

17 papers

hep-ex2021★ 52 cited

Simultaneous determination of CKM angle $γ$ and charm mixing parameters

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

A combination of measurements sensitive to the $C P$ violation angle $γ$ of the Cabibbo-Kobayashi-Maskawa unitarity triangle and to the charm mixing parameters that describe oscilla…

hep-ex2021★ 100 cited

Analysis of neutral $B$ -meson decays into two muons

LHCb collaboration, R. Aaij, C. Abellán Beteta +953

Branching fraction and effective lifetime measurements of the rare decay $B_{s}^{0} \to μ^{+} μ^{-}$ and searches for the decays $B^{0} \to μ^{+} μ^{-}$ and $B_{s}^{0} \to μ^{+} μ^{-} γ$ are reported using proton…

hep-ex2021★ 8 cited

Measurement of the prompt-production cross-section ratio $σ (χ_{c 2}) / σ (χ_{c 1})$ in $p$ Pb collisions at $s_{N N}$ = 8.16 TeV

R. Aaij, C. Abellán Beteta, T. Ackernley +954

This Letter reports the first measurement of prompt $χ_{c 1}$ and $χ_{c 2}$ charmonium production in nuclear collisions at Large Hadron Collider energies. The cross-section ratio $σ(…

hep-ex2017★ 20 cited

First measurement of the $C P$ -violating phase $ϕ_{s}^{d d}$ in $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays

LHCb collaboration, R. Aaij, B. Adeva +793

A flavour-tagged decay-time-dependent amplitude analysis of $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays is presented in the $K^{\pm} π^{\mp}$ mass range from 750 to 1600 MeV $/ c^{2}$ . The analys…

hep-ex2017★ 18 cited

Measurement of branching fractions of charmless four-body $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +794

A search for charmless four-body decays of $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The d…

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-ex2015★ 55 cited

Measurement of the forward-backward asymmetry in $Z / γ^{*} \to μ^{+} μ^{-}$ decays and determination of the effective weak mixing angle

LHCb collaboration, R. Aaij, B. Adeva +722

The forward-backward charge asymmetry for the process $q q ˉ \to Z / γ^{*} \to μ^{+} μ^{-}$ is measured as a function of the invariant mass of the dimuon system.…

hep-ex2015★ 101 cited

Study of the production of $Λ_{b}^{0}$ and $B^{0}$ hadrons in $pp$ collisions and first measurement of the $Λ_{b}^{0} \to J / ψ p K^{-}$ branching fraction

LHCb collaboration, R. Aaij, B. Adeva +722

The product of the $Λ_{b}^{0}$ ( $B^{0}$ ) differential production cross-section and the branching fraction of the decay $Λ_{b}^{0} \to J / ψ p K^{-}$ ($\overline{B}^0\rightarrow J…

hep-ex2015★ 178 cited

Determination of the quark coupling strength $∣ V_{u b} ∣$ using baryonic decays

LHCb collaboration, R. Aaij, B. Adeva +707

In the Standard Model of particle physics, the strength of the couplings of the $b$ quark to the $u$ and $c$ quarks, $∣ V_{u b} ∣$ and $∣ V_{c b} ∣$ , are governed by the coupling of the…

hep-ex2015★ 56 cited

Measurement of forward $Z \to e^{+} e^{-}$ production at $s = 8$ TeV

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

A measurement of the cross-section for Z-boson production in the forward region of pp collisions at 8TeV centre-of-mass energy is presented. The measurement is based on a sample of…

hep-ex2014★ 71 cited

Search for the lepton flavour violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$

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

A search for the lepton flavour violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$ is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of $1.0\mathrm{\,f…

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★ 58 cited

Precision measurement of the mass and lifetime of the $Ξ_{b}^{0}$ baryon

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

Using a proton-proton collision data sample corresponding to an integrated luminosity of 3 fb $^{- 1}$ collected by LHCb at center-of-mass energies of 7 and 8 TeV, about 3800 $Ξ_b^0\…

hep-ex2013★ 18 cited

First observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +626

The first observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$ is reported. The analysis is based on a data sample corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ …

hep-ex2013★ 148 cited

Differential branching fraction and angular analysis of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +636

The determination of the differential branching fraction and the first angular analysis of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ are presented using data, corresponding to an integrated…

hep-ex2013★ 185 cited

Differential branching fraction and angular analysis of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +631

The angular distribution and differential branching fraction of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$ are studied using a data sample, collected by the LHCb experiment in $pp$ co…

hep-ex2011★ 28 cited

Measurement of $V^{0}$ production ratios in $pp$ collisions at $s = 0.9$ and 7\,TeV

LHCb Collaboration, R. Aaij, B. Adeva +547

The $Λ ˉ /Λ$ and $Λ ˉ / K_{S}^{0}$ production ratios are measured by the LHCb detector from $0.3 nb^{- 1}$ of $pp$ collisions delivered by the LHC at $\sqrt{s} =…

Simultaneous determination of CKM angle γ and charm mixing parameters

Analysis of neutral B-meson decays into two muons

Measurement of the prompt-production cross-section ratio σ(χc2​)/σ(χc1​) in pPb collisions at sNN​​ = 8.16 TeV

First measurement of the CP-violating phase ϕsdd​ in Bs0​→(K+π−)(K−π+) decays

Measurement of branching fractions of charmless four-body Λb0​ and Ξb0​ decays

Measurement of matter-antimatter differences in beauty baryon decays

Measurement of the forward-backward asymmetry in Z/γ∗→μ+μ− decays and determination of the effective weak mixing angle

Study of the production of Λb0​ and B0 hadrons in pp collisions and first measurement of the Λb0​→J/ψpK− branching fraction

Determination of the quark coupling strength ∣Vub​∣ using baryonic decays

Measurement of forward Z→e+e− production at s​=8TeV

Search for the lepton flavour violating decay τ−→μ−μ+μ−

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

Precision measurement of the mass and lifetime of the Ξb0​ baryon

First observation of the decay Bs0​→ϕKˉ∗0

Differential branching fraction and angular analysis of the decay Bs0​→ϕμ+μ−

Differential branching fraction and angular analysis of the decay B0→K∗0μ+μ−

Measurement of V0 production ratios in pp collisions at s​=0.9 and 7\,TeV