A. Pastore

activity

20202025

B_{s}^{0} \to J / ψ π^{+} π^{-} K^{+} K^{-}

decays

26 citations · 53 across the 10 of their papers we have counts for

collaborators

10 papers

hep-ex2025★ 2 cited

First observation of $C P$ violation and measurement of polarization in $B^{+} \to ρ (770)^{0} K^{*} (892)^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

An amplitude analysis of the $B^{+} \to (π^{+} π^{-}) (K_{S}^{0} π^{+})$ decay is performed in the mass regions $0.30 < m_{π^{+} π^{-}} < 1.10 GeV / c^{2}$ and $0.75 < m_{K^0_{\mathrm{S…

hep-ex2024★ 2 cited

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

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1119

A measurement of the $C P$ -violating parameters in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays is reported, based on the analysis of proton-proton collision data collected by the LHCb expe…

hep-ex2024★ 2 cited

Measurement of $ϕ (1020)$ meson production in fixed-target $p$ Ne collisions at $s_{N N}$ = 68.5 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first measurement of $ϕ (1020)$ meson production in fixed-target $p$ Ne collisions at $s_{N N} = 68.5$ GeV is presented. The $ϕ (1020)$ mesons are reconstructed in their $K^{+…

hep-ex2024★ 5 cited

Measurement of the effective leptonic weak mixing angle

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1120

Using $pp$ collision data at $s = 13$ TeV, recorded by the LHCb experiment between 2016 and 2018 and corresponding to an integrated luminosity of $5.4$ fb $^{- 1}$ , the forward-…

hep-ex2024

Study of the rare decay $J / ψ \to μ^{+} μ^{-} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1099

The rare electromagnetic $J / ψ \to μ^{+} μ^{-} μ^{+} μ^{-}$ decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton collision data collected by the…

hep-ex2024★ 2 cited

Observation of muonic Dalitz decays of $χ_{b}$ mesons and precise spectroscopy of hidden-beauty states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1117

The decays of the $χ_{b 1} (1 P)$ , $χ_{b 2} (1 P)$ , $χ_{b 1} (2 P)$ and $χ_{b 2} (2 P)$ mesons into the $Υ (1 S) μ^{+} μ^{-}$ final state are observed with a high significance using proton-proton coll…

hep-ex2024★ 5 cited

Prompt and nonprompt $ψ (2 S)$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

The production of $ψ (2 S)$ mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{N N} = 8.16$ TeV is studied with the LHCb detector using data corr…

hep-ex2023★ 8 cited

Measurement of $J / ψ$ -pair production in $pp$ collisions at $s = 13$ TeV and study of gluon transverse-momentum dependent PDFs

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The production cross-section of $J / ψ$ pairs in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured using a data sample corresponding to an integrat…

hep-ex2023★ 1 cited

A model-independent measurement of the CKM angle $γ$ in partially reconstructed $B^{\pm} \to D^{*} h^{\pm}$ decays with $D \to K_{S}^{0} h^{+} h^{-}$ $(h = π, K)$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

A measurement of $C P$ -violating observables in $B^{\pm} \to D^{*} K^{\pm}$ and $B^{\pm} \to D^{*} π^{\pm}$ decays is made where the photon or neutral pion from the $D^{*} \to D γ$ …

hep-ex2020★ 26 cited

Study of $B_{s}^{0} \to J / ψ π^{+} π^{-} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +958

The decays $B_{s}^{0} \to J / ψ π^{+} π^{-} K^{+} K^{-}$ are studied using a data set corresponding to an integrated luminosity of 9fb $^{- 1}$ , collected with the LHCb detector in proton-pr…

First observation of CP violation and measurement of polarization in B+→ρ(770)0K∗(892)+ decays

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

Measurement of ϕ(1020) meson production in fixed-target pNe collisions at sNN​​ = 68.5 GeV

Measurement of the effective leptonic weak mixing angle

Study of the rare decay J/ψ→μ+μ−μ+μ−

Observation of muonic Dalitz decays of χb​ mesons and precise spectroscopy of hidden-beauty states

Prompt and nonprompt ψ(2S) production in pPb collisions at sNN​​=8.16 TeV

Measurement of J/ψ-pair production in pp collisions at s​=13 TeV and study of gluon transverse-momentum dependent PDFs

A model-independent measurement of the CKM angle γ in partially reconstructed B±→D∗h± decays with D→KS0​h+h− (h=π,K)

Study of Bs0​→J/ψπ+π−K+K− decays

First observation of $C P$ violation and measurement of polarization in $B^{+} \to ρ (770)^{0} K^{*} (892)^{+}$ decays

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

Measurement of $ϕ (1020)$ meson production in fixed-target $p$ Ne collisions at $s_{N N}$ = 68.5 GeV

Study of the rare decay $J / ψ \to μ^{+} μ^{-} μ^{+} μ^{-}$

Observation of muonic Dalitz decays of $χ_{b}$ mesons and precise spectroscopy of hidden-beauty states

Prompt and nonprompt $ψ (2 S)$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

Measurement of $J / ψ$ -pair production in $pp$ collisions at $s = 13$ TeV and study of gluon transverse-momentum dependent PDFs

A model-independent measurement of the CKM angle $γ$ in partially reconstructed $B^{\pm} \to D^{*} h^{\pm}$ decays with $D \to K_{S}^{0} h^{+} h^{-}$ $(h = π, K)$

Study of $B_{s}^{0} \to J / ψ π^{+} π^{-} K^{+} K^{-}$ decays