A. Aloisio

activity

19992026

most citedThe Belle II Physics Book

570 citations · 7k across the 147 of their papers we have counts for

collaborators

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138 papers · 1 filter

hep-ex2026

Test of lepton flavor universality with $B ˉ \to D^{()} τ^{-} ν ˉ_{τ}$ and $B ˉ \to D^{()} ℓ^{-} ν ˉ_{ℓ}$ decays at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +494

We test lepton flavor universality with a measurement of the branching-fraction ratios $R(D^{(*)}) \equiv \mathcal{B}(\bar{B} \rightarrow D^{(*)} τ^{-} \barν_τ)/\mathcal{B}(\bar{B}…

hep-ex2026

Study of $B^{+} \to μ^{+} ν_{μ}$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +412

We report a measurement of the branching fraction for the leptonic decay $B^{+} \to μ^{+} ν_{μ}$ . This work presents the first $B^{+} \to μ^{+} ν_{μ}$ result using Belle~II data, an updated Belle me…

hep-ex2026

A search for feebly-interacting particles in $B$ decays with missing energy at Belle

Belle, Belle II Collaborations, : +406

We present a search for an invisible hidden-sector particle $X_{inv}$ , produced in $B^{0} \to D ˉ^{0} X_{inv}$ and $B^{\pm} \to h X_{inv}$ decays, where $h = π^{\pm}$ , $…

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★ 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-ex2024★ 9 cited

Search for pair production of boosted Higgs bosons via vector-boson fusion in the $b b ˉ b b ˉ$ final state using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for Higgs boson pair production via vector-boson fusion is performed in the Lorentz-boosted regime, where a Higgs boson candidate is reconstructed as a single large-radius…

hep-ex2024★ 6 cited

Search for high-mass resonances in final states with a $τ$ -lepton and missing transverse momentum with the ATLAS detector

ATLAS Collaboration

A search for high-mass resonances decaying into a $τ$ -lepton and a neutrino using proton-proton collisions at a center-of-mass energy of $s = 13$ TeV is presented. The full Ru…

hep-ex2023★ 2 cited

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at $s$ = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for quantum black holes in electron+jet and muon+jet invariant mass spectra is performed with 140 fb $^{- 1}$ of data collected by the ATLAS detector in proton-proton collis…

hep-ex2023★ 10 cited

Search for a $τ^{+} τ^{-}$ resonance in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +464

We report the first search for a non-standard-model resonance decaying into $τ$ pairs in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events in the 3.6-10 GeV/ $c^{2}$ mass range. We u…

hep-ex2023★ 16 cited

Search for a long-lived spin-0 mediator in $b \to s$ transitions at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +411

Additional spin-0 particles appear in many extensions of the standard model. We search for long-lived spin-0 particles $S$ in $B$ -meson decays mediated by a $b \to s$ quark transiti…

hep-ex2023★ 5 cited

Precise measurement of the $D_{s}^{+}$ lifetime at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +359

We measure the lifetime of the $D_{s}^{+}$ meson using a data sample of 207 fb $^{- 1}$ collected by the Belle II experiment running at the SuperKEKB asymmetric-energy $e^{+} e^{-}$ collider…

hep-ex2023

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +575

We report a search for lepton-flavor-violating decays $τ^{-} \to ℓ^{-} ϕ$ ( $ℓ^{-} = e^{-}, μ^{-}$ ) at the Belle II experiment, using a sample of electron-positron data produced at the Su…

hep-ex2023★ 6 cited

Novel method for the identification of the production flavor of neutral charmed mesons

Belle II Collaboration, I. Adachi, L. Aggarwal +396

We propose a new algorithm for the identification of the production flavor of neutral $D$ mesons in the Belle II experiment. The algorithm exploits the correlation between the flav…

hep-ex2023★ 3 cited

Measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

F. Abudinén, I. Adachi, K. Adamczyk +581

We present a measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ ) branching ratio and of the CKM parameter $∣ V_{c b} ∣$ using signal decays accompanied by a f…

hep-ex2023★ 11 cited

Model-independent search for the presence of new physics in events including $H \to γ γ$ with $s$ = 13 TeV pp data recorded by the ATLAS detector at the LHC

ATLAS Collaboration

A model-independent search for new physics leading to final states containing $H \to γ γ$ decays is performed with 139 fb $^{- 1}$ of $s$ = 13 TeV pp collision data recor…

hep-ex2023★ 19 cited

A test of light-lepton universality in the rates of inclusive semileptonic $B$ -meson decays at Belle II

Belle II Collaboration, L. Aggarwal, H. Ahmed +349

We present the first measurement of the ratio of branching fractions of inclusive semileptonic $B$ -meson decays, $R(X_{e/μ}) = \mathcal{B}(B\to X \, e \, ν) / \mathcal{B}(B\to X \,…

hep-ex2022★ 21 cited

Search for an invisible $Z^{'}$ in a final state with two muons and missing energy at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +385

The $L_{μ} - L_{τ}$ extension of the standard model predicts the existence of a lepton-flavor-universality-violating $Z^{'}$ boson that couples only to the heavier lepton families.…

hep-ex2022★ 1 cited

Reconstruction of $B \to ρ ℓ ν_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +580

We present results on the semileptonic decays $B^{0} \to ρ^{-} ℓ^{+} ν_{ℓ}$ and $B^{+} \to ρ^{0} ℓ^{+} ν_{ℓ}$ in a sample corresponding to 189.9/fb of Belle II data at the SuperKEKB $e…

hep-ex2022★ 1 cited

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ ν$ decays using 2019-2021 Belle II data

Belle II collaboration, F. Abudinén, I. Adachi +590

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $V_{c b}$ using $B \to D ℓ ν$ decays. The result is based on $e^{+} e^{-} \to Υ (4 S)$ data…

hep-ex2022

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +593

We measure the photon-energy spectrum in radiative bottom-meson ( $B$ ) decays into inclusive final states involving a strange hadron and a photon. We use SuperKEKB electron-positron…

hep-ex2022★ 2 cited

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +584

We present a measurement of the branching fraction and longitudinal polarization of $B^{0} \to ρ^{+} ρ^{-}$ decays. SuperKEKB electron-positron collision data corresponding to 189~fb$^{-…

hep-ex2022★ 24 cited

Observation of $e^{+} e^{-} \to ω χ_{b J} (1 P)$ and search for $X_{b} \to ω Υ (1 S)$ at $s$ near 10.75 GeV

Belle II collaboration, I. Adachi, L. Aggarwal +348

We study the processes $e^{+} e^{-} \to ω χ_{b J} (1 P)$ ( $J$ = 0, 1, or 2) using samples at center-of-mass energies $s$ = 10.701, 10.745, and 10.805 GeV, corresponding to 1.6, 9.8, an…

hep-ex2022★ 12 cited

Measurement of the $Ω_{c}^{0}$ lifetime at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +353

We report on a measurement of the $Ω_{c}^{0}$ lifetime using $Ω_{c}^{0} \to Ω^{-} π^{+}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ data collected by the Belle II experiment and corresponding…

hep-ex2022

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +591

We report a study of $B \to J / ψ (ℓ^{+} ℓ^{-}) K$ decays, where $ℓ$ represents an electron or a muon, using $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance. The data were col…

Test of lepton flavor universality with Bˉ→D(∗)τ−νˉτ​ and Bˉ→D(∗)ℓ−νˉℓ​ decays at Belle II

Study of B+→μ+νμ​ decays at Belle and Belle II

A search for feebly-interacting particles in B decays with missing energy at Belle

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

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

Search for pair production of boosted Higgs bosons via vector-boson fusion in the bbˉbbˉ final state using pp collisions at s​=13 TeV with the ATLAS detector

Search for high-mass resonances in final states with a τ-lepton and missing transverse momentum with the ATLAS detector

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at s​ = 13 TeV with the ATLAS detector

Search for a τ+τ− resonance in e+e−→μ+μ−τ+τ− events with the Belle II experiment

Search for a long-lived spin-0 mediator in b→s transitions at the Belle II experiment

Precise measurement of the Ds+​ lifetime at Belle II

Search for lepton-flavor-violating τ−→ℓ−ϕ decays in 2019-2021 Belle II data

Novel method for the identification of the production flavor of neutral charmed mesons

Measurement of the B0→D∗−ℓ+νℓ​ branching ratio and ∣Vcb​∣ with a fully reconstructed accompanying B meson in 2019-2021 Belle II data

Model-independent search for the presence of new physics in events including H→γγ with s​ = 13 TeV pp data recorded by the ATLAS detector at the LHC

A test of light-lepton universality in the rates of inclusive semileptonic B-meson decays at Belle II

Search for an invisible Z′ in a final state with two muons and missing energy at Belle II

Reconstruction of B→ρℓνℓ​ decays identified using hadronic decays of the recoil B meson in 2019 -- 2021 Belle II data

Determination of ∣Vcb​∣ from B→Dℓν decays using 2019-2021 Belle II data

Measurement of the photon-energy spectrum in inclusive B→Xs​γ decays identified using hadronic decays of the recoil B meson in 2019-2021 Belle II data

Measurement of Branching Fraction and Longitudinal Polarization in B0→ρ+ρ− Decays at Belle II

Observation of e+e−→ωχbJ​(1P) and search for Xb​→ωΥ(1S) at s​ near 10.75 GeV

Measurement of the Ωc0​ lifetime at Belle II

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in B→J/ψK decays at Belle II

Test of lepton flavor universality with $B ˉ \to D^{()} τ^{-} ν ˉ_{τ}$ and $B ˉ \to D^{()} ℓ^{-} ν ˉ_{ℓ}$ decays at Belle II

Study of $B^{+} \to μ^{+} ν_{μ}$ decays at Belle and Belle II

A search for feebly-interacting particles in $B$ decays with missing energy at Belle

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

Search for pair production of boosted Higgs bosons via vector-boson fusion in the $b b ˉ b b ˉ$ final state using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Search for high-mass resonances in final states with a $τ$ -lepton and missing transverse momentum with the ATLAS detector

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at $s$ = 13 TeV with the ATLAS detector

Search for a $τ^{+} τ^{-}$ resonance in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events with the Belle II experiment

Search for a long-lived spin-0 mediator in $b \to s$ transitions at the Belle II experiment

Precise measurement of the $D_{s}^{+}$ lifetime at Belle II

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

Model-independent search for the presence of new physics in events including $H \to γ γ$ with $s$ = 13 TeV pp data recorded by the ATLAS detector at the LHC

A test of light-lepton universality in the rates of inclusive semileptonic $B$ -meson decays at Belle II

Search for an invisible $Z^{'}$ in a final state with two muons and missing energy at Belle II

Reconstruction of $B \to ρ ℓ ν_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ ν$ decays using 2019-2021 Belle II data

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Observation of $e^{+} e^{-} \to ω χ_{b J} (1 P)$ and search for $X_{b} \to ω Υ (1 S)$ at $s$ near 10.75 GeV

Measurement of the $Ω_{c}^{0}$ lifetime at Belle II

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II