P. G. Gironell

activity

20132026

most citedObservation of structure in the

J / ψ

-pair mass spectrum

414 citations · 6.4k across the 222 of their papers we have counts for

collaborators

229 papers

hep-ex2026

New measurements of $B_{c}^{+}$ decays into single charm final states

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

Using proton-proton collision data corresponding to an integrated luminosity of $9 fb^{- 1}$ collected by the LHCb experiment, searches are performed for $B_{c}^{+}$ mesons d…

hep-ex2025★ 1 cited

Amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay and $Ξ_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay together with a measurement of the $Ξ_{c}^{+}$ polarization vector in semileptonic beauty-hadron decays is presented. The analysis…

hep-ex2025★ 1 cited

Search for the lepton-flavor-violating $τ^{-} \to e^{\mp} ℓ^{\pm} ℓ^{\mp}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +447

We present the result of a search for the charged-lepton-flavor violating decays $τ^{-} \to e^{\mp} ℓ^{\pm} ℓ^{-}$ , where $ℓ$ is a muon or an electron, using a data sample…

hep-ex2025★ 2 cited

Measurement of the CP asymmetry in $D^{+} \to π^{+} π^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +402

We measure the CP asymmetry in $D^{+} \to π^{+} π^{0}$ decays reconstructed in $e^{+} e^{-}$ collisions at the Belle II experiment using a data set corresponding to an integrated luminosity…

nucl-ex2025

Coherent photoproduction of $ρ^{0}, ω$ and excited vector mesons in ultraperipheral PbPb collisions

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

The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of…

hep-ex2025

Charged-hadron identification at Belle II

Belle II Collaboration, I. Adachi, H. Ahmed +408

The Belle II experiment's ability to identify particles critically affects the sensitivity of its measurements. We describe Belle II's algorithms for identifying charged particles…

hep-ex2025★ 4 cited

Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment

Belle II Collaboration, I. Adachi, L. Aggarwal +437

Inelastic dark matter models that have two dark matter particles and a massive dark photon can reproduce the observed relic dark matter density without violating cosmological limit…

hep-ex2025★ 1 cited

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} K_{s}^{0}$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +419

We present the results of a search for charged-lepton-flavor violating decays $τ^{-} \to ℓ^{-} K_{S}^{0}$ , where $ℓ^{-}$ is either an electron or a muon. We combine $e…

hep-ex2025★ 5 cited

Test of lepton flavor universality with measurements of $R (D^{+})$ and $R (D^{*+})$ using semileptonic $B$ tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +450

We report measurements of the ratios of branching fractions ${\cal R}(D^{(*)+}) = \frac{{\cal B}(\overline{B}{}^0 \to D^{(*)+} \,τ^- \, \overlineν_τ)}{{\cal B}(\overline{B}{}^0 \to…

hep-ex2025

Measurement of the Branching Fraction of $Λ_{c}^{+} \to p K_{S}^{0} π^{0}$ at Belle

The Belle, Belle II Collaborations, : +426

We report a precise measurement of the ratio of branching fractions $B (Λ_{c}^{+} \to p K_{S}^{0} π^{0}) / B (Λ_{c}^{+} \to p K^{-} π^{+})$ using 980 fb $^{- 1}$ of $e^{+} e^{-}$ data from th…

hep-ex2025

Branching fraction measurement of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The branching fraction of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$ , relative to the topologically similar decay $B^{+} \to J / ψ ϕ (1020) K^{+}$ , is measured using proton-proton collision data co…

hep-ex2025★ 4 cited

Measurement of $B^{+} \to τ^{+} ν_{τ}$ branching fraction with a hadronic tagging method at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +341

We present a measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays using $(387 \pm 6) \times 1 0^{6}$ $Υ (4 S)$ collected between 2019 and 2022 with the Belle II detector at the S…

hep-ex2025★ 2 cited

Angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1118

An angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays is presented using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8…

hep-ex2025

Search for Pcs(4459) and Pcs(4338) in Upsilon(1S,2S) inclusive decays at Belle

I. Adachi, L. Aggarwal, H. Ahmed +402

Using data samples of 102 million Upsilon(1S) events and 158 million Upsilon(2S) events collected by the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we search f…

hep-ex2025★ 3 cited

Evidence for $B^{-} \to D^{** 0} τ^{-} ν_{τ}$ decays

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

The first evidence for the decay $B^{-} \to D^{** 0} τ^{-} ν_{τ}$ is obtained using proton-proton collision data collected by the LHCb experiment, corresponding to an inte…

hep-ex2025

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in $pp$ collisions at $s = 13$ TeV

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

The $\mitΥ(\mathrm{2}S)$ and $\mitΥ(\mathrm{3}S)$ production cross-sections are measured relative to that of the $\mitΥ(\mathrm{1}S)$ meson, as a function of charged-particle multi…

hep-ex2024

Search for lepton flavor-violating decay modes $B^{0} \to K_{S}^{0} τ^{\pm} ℓ^{\mp} (ℓ = μ, e)$ with hadronic $B$ -tagging at Belle and Belle II

Belle, Belle II Collaborations, : +425

We present the first search for the lepton flavor-violating decay modes $B^{0} \to K_{S}^{0} τ^{\pm} ℓ^{\mp} (ℓ = μ, e)$ using the 711 fb $^{- 1}$ and 365 fb $^{- 1}$ data samples re…

hep-ex2024

Measurement of the branching fraction and $CP$ -violating asymmetry of the decay $B^{0} \to π^{0} π^{0}$ using $387$ million bottom-antibottom meson pairs in Belle II data

Belle II Collaboration, I. Adachi, L. Aggarwal +437

We measure the branching fraction and $CP$ -violating flavor-dependent rate asymmetry of $B^{0} \to π^{0} π^{0}$ decays reconstructed using the Belle II detector in an electron-…

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★ 7 cited

Observation of the open-charm tetraquark candidate $T_{cs 0}^{*} (2870)^{0}$ in the $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

An amplitude analysis of $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\,\text{fb}^…

hep-ex2024★ 19 cited

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1134

A study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{' -}$ $(h^{(')} = π, K)$ is performed using $pp$ collision data collected by the LHCb…

hep-ex2024

Measurement of the inclusive branching fractions for $B_{s}^{0}$ decays into $D$ mesons via hadronic tagging

Belle, Belle II Collaborations, : +452

We report measurements of the absolute branching fractions $B (B_{s}^{0} \to D_{s}^{\pm} X)$ , $B (B_{s}^{0} \to D^{0} / D ˉ^{0} X)$ , and $B (B_{s}^{0} \to D^{\pm} X)$ , w…

hep-ex2024★ 7 cited

First evidence for direct CP violation in beauty to charmonium decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The $C P$ asymmetry and branching fraction of the CKM-suppressed decay $B^{+} \to J / ψ π^{+}$ are precisely measured relative to the favoured decay $B^+\!\to J\…

hep-ex2024★ 4 cited

Constraints on the photon polarisation in $b \to s γ$ transitions using $B_{s}^{0} \to ϕ e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1124

An angular analysis of the $B_{s}^{0} \to ϕ e^{+} e^{-}$ decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the LHCb experiment, correspo…

New measurements of Bc+​ decays into single charm final states

Amplitude analysis of the Ξc+​→pK−π+ decay and Ξc+​ baryon polarization measurement in semileptonic beauty-hadron decays

Search for the lepton-flavor-violating τ−→e∓ℓ±ℓ∓ decays at Belle II

Measurement of the CP asymmetry in D+→π+π0 decays at Belle II

Coherent photoproduction of ρ0,ω and excited vector mesons in ultraperipheral PbPb collisions

Charged-hadron identification at Belle II

Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment

Search for lepton-flavor-violating τ−→ℓ−Ks0​ decays at Belle and Belle II

Test of lepton flavor universality with measurements of R(D+) and R(D∗+) using semileptonic B tagging at the Belle II experiment

Measurement of the Branching Fraction of Λc+​→pKS0​π0 at Belle

Branching fraction measurement of the decay B+→ψ(2S)ϕ(1020)K+

Measurement of B+→τ+ντ​ branching fraction with a hadronic tagging method at Belle II

Angular analysis of B0→K∗0e+e− decays

Search for Pcs(4459) and Pcs(4338) in Upsilon(1S,2S) inclusive decays at Belle

Evidence for B−→D∗∗0τ−ντ​​ decays

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in pp collisions at s​=13 TeV

Search for lepton flavor-violating decay modes B0→KS0​τ±ℓ∓ (ℓ=μ,e) with hadronic B-tagging at Belle and Belle II

Measurement of the branching fraction and CP-violating asymmetry of the decay B0→π0π0 using 387 million bottom-antibottom meson pairs in Belle II data

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

Observation of the open-charm tetraquark candidate Tcs0∗​(2870)0 in the B−→D−D0KS0​ decay

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to Λh+h′− and evidence for CP violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

Measurement of the inclusive branching fractions for Bs0​ decays into D mesons via hadronic tagging

First evidence for direct CP violation in beauty to charmonium decays

Constraints on the photon polarisation in b→sγ transitions using Bs0​→ϕe+e− decays

New measurements of $B_{c}^{+}$ decays into single charm final states

Amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay and $Ξ_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

Search for the lepton-flavor-violating $τ^{-} \to e^{\mp} ℓ^{\pm} ℓ^{\mp}$ decays at Belle II

Measurement of the CP asymmetry in $D^{+} \to π^{+} π^{0}$ decays at Belle II

Coherent photoproduction of $ρ^{0}, ω$ and excited vector mesons in ultraperipheral PbPb collisions

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} K_{s}^{0}$ decays at Belle and Belle II

Test of lepton flavor universality with measurements of $R (D^{+})$ and $R (D^{*+})$ using semileptonic $B$ tagging at the Belle II experiment

Measurement of the Branching Fraction of $Λ_{c}^{+} \to p K_{S}^{0} π^{0}$ at Belle

Branching fraction measurement of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$

Measurement of $B^{+} \to τ^{+} ν_{τ}$ branching fraction with a hadronic tagging method at Belle II

Angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays

Evidence for $B^{-} \to D^{** 0} τ^{-} ν_{τ}$ decays

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in $pp$ collisions at $s = 13$ TeV

Search for lepton flavor-violating decay modes $B^{0} \to K_{S}^{0} τ^{\pm} ℓ^{\mp} (ℓ = μ, e)$ with hadronic $B$ -tagging at Belle and Belle II

Measurement of the branching fraction and $CP$ -violating asymmetry of the decay $B^{0} \to π^{0} π^{0}$ using $387$ million bottom-antibottom meson pairs in Belle II data

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

Observation of the open-charm tetraquark candidate $T_{cs 0}^{*} (2870)^{0}$ in the $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decay

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

Measurement of the inclusive branching fractions for $B_{s}^{0}$ decays into $D$ mesons via hadronic tagging

Constraints on the photon polarisation in $b \to s γ$ transitions using $B_{s}^{0} \to ϕ e^{+} e^{-}$ decays