F. Di Capua

activity

20212025

most citedSearch for Lepton-Flavor-Violating

τ

Decays to a Lepton and an Invisible Boson at Belle II

22 citations · 176 across the 25 of their papers we have counts for

collaborators

25 papers

hep-ex2025★ 3 cited

Search for $B^{0} \to K^{* 0} τ^{+} τ^{-}$ decays at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +446

We present a search for the rare flavor-changing neutral-current decay $B^{0} \to K^{* 0} τ^{+} τ^{-}$ with data collected by the Belle II experiment at the SuperKEKB electron-positro…

hep-ex2024★ 5 cited

Observations of the singly Cabibbo-suppressed decays $Ξ_{c}^{+} \to p K_{S}^{0}$ , $Ξ_{c}^{+} \to Λ π^{+}$ , and $Ξ_{c}^{+} \to Σ^{0} π^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +345

Using data samples of 983.0~ $f b^{- 1}$ and 427.9~ $f b^{- 1}$ accumulated with the Belle and Belle~II detectors operating at the KEKB and SuperKEKB asymmetric-energy $e^{+} e^{-}$ c…

hep-ex2024★ 2 cited

Observation of the decay $B^{0} \to J / ψ ω$ at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +383

We measure the branching fraction of the decay $B^{0} \to J / ψ ω$ using data collected with the Belle II detector at the SuperKEKB collider. The data contain $(387 \pm 6) \times 1 0^{6}$ …

hep-ex2024★ 4 cited

Production cross sections of light and charmed mesons in $e^{+} e^{-}$ annihilation near 10.58 GeV

Belle Collaboration, R. Seidl, I. Adachi +131

We report measurements of production cross sections for $ρ^{+}$ , $ρ^{0}$ , $ω$ , $K^{*+}$ , $K^{* 0}$ , $ϕ$ , $η$ , $K_{S}^{0}$ , $f_{0} (980)$ , $D^{+}$ , $D^{0}$ , $D_{s}^{+}$ , $D^{*+}$ , $D^{* 0}$ , and $D^{*+}…

hep-ex2024

Search for $h_{b} (2 P) \to γ χ_{b J} (1 P)$ at $s = 10.860$ GeV

Belle Collaboration, A. Boschetti, R. Mussa +140

In the bottomonium sector, the hindered magnetic dipole (M1) transitions between P-wave states $h_{b} (2 P) \to χ_{b J} (1 P) γ$ , $J = 0, 1, 2$ , are expected to be severely su…

hep-ex2024★ 2 cited

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays based on a data sample of $(388 \pm 6) \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ …

hep-ex2024★ 2 cited

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +404

We present measurements of the branching fractions of eight $B^{0} \to D^{(*) +} K^{-} K_{(S)}^{(*) 0}$ , $B^{-} \to D^{(*) 0} K^{-} K_{(S)}^{(*) 0}$ decay channels. The results are…

hep-ex2024★ 4 cited

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Belle, Belle II Collaborations, : +407

We report the result of a search for the rare decay $B^{0} \to γ γ$ using a combined dataset of $753 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle experiment and $387\times10…

hep-ex2024★ 8 cited

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +360

We report a measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range from 0.62 to 3.50 GeV using an initial-state radiation technique. We use an $e^{+} e^{-}$ data sa…

hep-ex2024

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +399

We describe a measurement of charge-parity ( $C P$ ) violation asymmetries in $B^{0} \to η^{'} K_{S}^{0}$ decays using Belle II data. We consider $η^{'} \to η (\to γ γ) π^{+} π^{-}$ and $η^{'} \to ρ (\to π^{+} π^{-}) γ$ de…

hep-ex2023★ 10 cited

First Measurement of $R (X_{τ / ℓ})$ as an Inclusive Test of the $b \to c τ ν$ Anomaly

Belle II Collaboration, I. Adachi, K. Adamczyk +390

We measure the tau-to-light-lepton ratio of inclusive $B$ -meson branching fractions $R (X_{τ / ℓ}) \equiv B (B \to X τ ν) / B (B \to X ℓ ν)$ , where $ℓ$ indicate…

hep-ex2023★ 20 cited

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We determine the CKM matrix-element magnitude $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays reconstructed in $189 fb^{- 1}$ of collision data collec…

hep-ex2023★ 2 cited

Measurement of $C P$ asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +432

We present a measurement of time-dependent rate asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays to search for non-standard-model physics in $b \to q q s$ transitions. The data sampl…

hep-ex2023★ 4 cited

Measurement of the $e^{+} e^{-} \to B_{s}^{0} B ˉ_{s}^{0} X$ cross section in the energy range from $10.63$ to $11.02$ GeV using inclusive $D_{s}^{\pm}$ and $D^{0}$ production

Belle Collaboration, V. Zhukova, R. Mizuk +188

We report the first measurement of the inclusive $e^{+} e^{-} \to b b ˉ \to D_{s}^{\pm} X$ and $e^{+} e^{-} \to b b ˉ \to D^{0} / D ˉ^{0} X$ cross sections in the energy range from $10.63$ t…

hep-ex2023★ 6 cited

Measurement of $C P$ violation in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +399

We report a measurement of the $C P$ -violating parameters $A$ and $S$ in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II using a sample of $387 \times 1 0^{6}$ $B B ˉ$ events recor…

hep-ex2023★ 8 cited

Search for lepton-flavor-violating $τ$ decays into a lepton and a vector meson using the full Belle data sample

Belle Collaboration, N. Tsuzuki, K. Inami +180

Charged-lepton-flavor-violation is predicted in several new physics scenarios. We update the analysis of $τ$ lepton decays into a light charged lepton ( $ℓ$ = $e^{\pm}$ or $μ^{\p…

hep-ex2022★ 22 cited

Search for Lepton-Flavor-Violating $τ$ Decays to a Lepton and an Invisible Boson at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +398

We search for lepton-flavor-violating $τ^{-} \to e^{-} α$ and $τ^{-} \to μ^{-} α$ decays, where $α$ is an invisible spin-0 boson. The search uses electron-positron collisions at $10.58$ GeV cen…

hep-ex2022★ 14 cited

Study of $e^{+} e^{-} \to Σ^{0} Σ^{0}$ and $Σ^{+} Σ^{-}$ by Initial State Radiation Method at Belle

Belle Collaboration, G. Gong, L. K. Li +195

The processes $e^{+} e^{-} \to Σ^{0} Σ^{0}$ and $e^{+} e^{-} \to Σ^{+} Σ^{-}$ are studied using initial-state-radiation events in a sample of 980 $\,\mbox{fb}^{-1…

hep-ex2022★ 1 cited

Measurement of the branching fraction and search for $C P$ violation in $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ decays at Belle

Aman Sangal

We measure the branching fraction for the Singly Cabibbo-suppressed decay $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ , and we search for $C P$ violation via a measurement of the $C P$ asym…

hep-ex2022★ 20 cited

Search for $C P$ violation and measurement of branching fractions and decay asymmetry parameters for $Λ_{c}^{+} \to Λ h^{+}$ and $Λ_{c}^{+} \to Σ^{0} h^{+}$ ( $h = K, π$ )

Belle Collaboration, L. K. Li, W. Shan +187

We report a study of $Λ_{c}^{+} \to Λ h^{+}$ and $Λ_{c}^{+} \to Σ^{0} h^{+}$ ( $h = K, π$ ) decays based on a data sample of 980~ $fb^{- 1}$ collected with the Belle detector at the KEKB energ…

hep-ex2022★ 1 cited

Measurement of the branching fraction and search for CP violation in $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ decays at Belle

The Belle Collaboration

We measure the branching fraction for the Cabibbo-suppressed decay $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ and search for $C P$ violation via a measurement of the $C P$ asymmetry $A_{\…

hep-ex2022★ 12 cited

Observation of $Ω (2012)^{-} \to Ξ (1530) K ˉ$ and measurement of the effective couplings of $Ω (2012)^{-}$ to $Ξ (1530) K ˉ$ and $Ξ K ˉ$

Belle Collaboration, S. Jia, C. P. Shen +117

Using $Υ (1 S)$ , $Υ (2 S)$ , and $Υ (3 S)$ data collected by the Belle detector, we discover a new three-body decay, $Ω (2012)^{-} \to Ξ (1530) K ˉ \to Ξ π K ˉ$ , with a significance of 5.2~ $σ$ …

hep-ex2021★ 17 cited

Search for the decay $B^{0} \to K^{* 0} τ^{+} τ^{-}$ at the Belle experiment

Belle Collaboration, T. V. Dong, T. Luo +193

This letter presents a search for the rare flavor-changing neutral current process $B^{0} \to K^{* 0} τ^{+} τ^{-}$ using data taken with the Belle detector at the KEKB asym…

hep-ex2021★ 7 cited

Measurement of branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} (η, π^{0})$ and $D_{s}^{+} \to π^{+} (η, π^{0})$ decays at Belle

Belle Collaboration, Y. Guan, A. J. Schwartz +200

We report measurements of the branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} η$ , $D_{s}^{+} \to K^{+} π^{0}$ , and $D_{s}^{+} \to π^{+} η$ decays…

Search for B0→K∗0τ+τ− decays at the Belle II experiment

Observations of the singly Cabibbo-suppressed decays Ξc+​→pKS0​, Ξc+​→Λπ+, and Ξc+​→Σ0π+ at Belle and Belle II

Observation of the decay B0→J/ψω at Belle II

Production cross sections of light and charmed mesons in e+e− annihilation near 10.58 GeV

Search for hb​(2P)→γχbJ​(1P) at s​=10.860 GeV

Measurement of CP asymmetries in B0→KS0​π0γ decays at Belle II

Measurement of the branching fractions of Bˉ→D(∗)K−K(S)(∗)0​ and Bˉ→D(∗)Ds−​ decays at Belle II

Search for the decay B0→γγ using Belle and Belle II data

Measurement of the e+e−→π+π−π0 cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of CP asymmetries in B0→η′Ks0​ decays at Belle II

First Measurement of R(Xτ/ℓ​) as an Inclusive Test of the b→cτν Anomaly

Determination of ∣Vcb​∣ using B0→D∗+ℓ−νˉℓ​ decays with Belle II

Measurement of CP asymmetries in B0→ϕKS0​ decays with Belle II

Measurement of the e+e−→Bs0​Bˉs0​X cross section in the energy range from 10.63 to 11.02 GeV using inclusive Ds±​ and D0 production

Measurement of CP violation in B0→KS0​π0 decays at Belle II

Search for lepton-flavor-violating τ decays into a lepton and a vector meson using the full Belle data sample

Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II

Study of e+e−→Σ0Σ0 and Σ+Σ− by Initial State Radiation Method at Belle

Measurement of the branching fraction and search for CP violation in D0→KS0​KS0​π+π− decays at Belle

Search for CP violation and measurement of branching fractions and decay asymmetry parameters for Λc+​→Λh+ and Λc+​→Σ0h+ (h=K,π)

Measurement of the branching fraction and search for CP violation in D0→KS0​KS0​π+π− decays at Belle

Observation of Ω(2012)−→Ξ(1530)Kˉ and measurement of the effective couplings of Ω(2012)− to Ξ(1530)Kˉ and ΞKˉ

Search for the decay B0→K∗0τ+τ− at the Belle experiment

Measurement of branching fractions and CP asymmetries for Ds+​→K+(η,π0) and Ds+​→π+(η,π0) decays at Belle

Search for $B^{0} \to K^{* 0} τ^{+} τ^{-}$ decays at the Belle II experiment

Observations of the singly Cabibbo-suppressed decays $Ξ_{c}^{+} \to p K_{S}^{0}$ , $Ξ_{c}^{+} \to Λ π^{+}$ , and $Ξ_{c}^{+} \to Σ^{0} π^{+}$ at Belle and Belle II

Observation of the decay $B^{0} \to J / ψ ω$ at Belle II

Production cross sections of light and charmed mesons in $e^{+} e^{-}$ annihilation near 10.58 GeV

Search for $h_{b} (2 P) \to γ χ_{b J} (1 P)$ at $s = 10.860$ GeV

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle II

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

First Measurement of $R (X_{τ / ℓ})$ as an Inclusive Test of the $b \to c τ ν$ Anomaly

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Measurement of $C P$ asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays with Belle II

Measurement of the $e^{+} e^{-} \to B_{s}^{0} B ˉ_{s}^{0} X$ cross section in the energy range from $10.63$ to $11.02$ GeV using inclusive $D_{s}^{\pm}$ and $D^{0}$ production

Measurement of $C P$ violation in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II

Search for lepton-flavor-violating $τ$ decays into a lepton and a vector meson using the full Belle data sample

Search for Lepton-Flavor-Violating $τ$ Decays to a Lepton and an Invisible Boson at Belle II

Study of $e^{+} e^{-} \to Σ^{0} Σ^{0}$ and $Σ^{+} Σ^{-}$ by Initial State Radiation Method at Belle

Measurement of the branching fraction and search for $C P$ violation in $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ decays at Belle

Search for $C P$ violation and measurement of branching fractions and decay asymmetry parameters for $Λ_{c}^{+} \to Λ h^{+}$ and $Λ_{c}^{+} \to Σ^{0} h^{+}$ ( $h = K, π$ )

Measurement of the branching fraction and search for CP violation in $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ decays at Belle

Observation of $Ω (2012)^{-} \to Ξ (1530) K ˉ$ and measurement of the effective couplings of $Ω (2012)^{-}$ to $Ξ (1530) K ˉ$ and $Ξ K ˉ$

Search for the decay $B^{0} \to K^{* 0} τ^{+} τ^{-}$ at the Belle experiment

Measurement of branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} (η, π^{0})$ and $D_{s}^{+} \to π^{+} (η, π^{0})$ decays at Belle