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Publications (56)

hep-ex2025

Search for lepton-flavor-violating $τ^- \to \ell^- K_s^0$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +419

hep-ex2025

Observation of the decays $B^{+} \to Σ_{c}(2455)^{++} \overlineΞ_{c}^{-}$ and $B^{0} \to Σ_{c}(2455)^{0} \overlineΞ_{c}^{0}$

Belle, Belle II Collaborations, : +386

hep-ex2024

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

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

hep-ex2024

Measurements of the branching fractions of $Ξ_{c}^{0}\toΞ^{0}π^{0}$, $Ξ_{c}^{0}\toΞ^{0}η$, and $Ξ_{c}^{0}\toΞ^{0}η^{\prime}$ and asymmetry parameter of $Ξ_{c}^{0}\toΞ^{0}π^{0}$

Belle, Belle II Collaborations, : +382

hep-ex2025

Measurement of $B^+\toτ^+ν_τ$ branching fraction with a hadronic tagging method at Belle II

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

hep-ex2026

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

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

hep-ex2024

Search for lepton-flavor-violating $τ^- \to μ^-μ^+μ^-$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +429

hep-ex2025

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

hep-ex2024

Measurement of the branching fraction of the decay $B^- \to D^0 ρ(770)^-$ at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +389

hep-ex2024

Search for Rare $b \to d\ell^+\ell^-$ Transitions at Belle

Belle, Belle II Collaborations, : +393

hep-ex2025

Measurement of the inclusive branching fractions for $B_s^0$ decays into $D$ mesons via hadronic tagging

Belle, Belle II Collaborations, : +452

hep-ex2026

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

Belle, Belle II Collaborations, : +406

hep-ex2025

Search for $CP$ violation in $Ξ_c^+\toΣ^+h^+h^-$ and $Λ_c^+\to ph^+h^-$ at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +344

hep-ex2026

Measurement of time-dependent $CP$ violation parameters in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +416

hep-ex2024

Measurement of the energy dependence of the $e^+e^- \to B\bar{B}$, $B\bar{B}{}^*$, and $B^*\bar{B}{}^*$ cross sections at Belle~II

Belle II Collaboration, I. Adachi, L. Aggarwal +466

hep-ex2026

Charged-lepton identification at Belle~II

Belle II Collaboration, M. Abumusabh, I. Adachi +409

hep-ex2026

Study of $e^+e^- \to π^+π^-Υ(1D)$ at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +404

hep-ex2024

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

hep-ex2025

Observation of time-dependent $CP$ violation and measurement of the branching fraction of $B^0 \to J/ψπ^0$ decays

Belle II Collaboration, I. Adachi, L. Aggarwal +391

hep-ex2026

Improved measurement of Born cross sections for $χ_{bJ}\,ω$ and $χ_{bJ}\,(π^+π^-π^0)_{\rm non-ω}$ ($J$ = 0, 1, 2) at Belle and Belle II

Belle, Belle II Collaborations, : +424

hep-ex2026

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

hep-ex2025

Measurement of $CP$ asymmetries in $B^0 \to K^0_S π^0 γ$ decays at Belle II

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

hep-ex2026

Measurement of mixing-induced CP violation in the decay $B^0 \to π^0 π^0$

Belle II Collaboration, M. Abumusabh, I. Adachi +437

hep-ex2026

Observation of the decays $B^{+} \to Σ_{c}(2455)^{++} \barΞ_{c}^{\prime-}$ and $B^{0} \to Σ_{c}(2455)^{0} \barΞ_{c}^{\prime0}$

Belle, Belle II Collaborations, : +403

hep-ex2024

Test of light-lepton universality in $τ$ decays with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +428

physics.ins-det2025

Operational experience and performance of the Silicon Vertex Detector after the first long shutdown of Belle II

K. Ravindran, K. Adamczyk, H. Aihara +62

hep-ex2025

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

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

hep-ex2025

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

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

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

hep-ex2025

Determination of $|V_{cb}|$ using $B\to D\ellν_\ell$ Decays at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +407

hep-ex2025

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

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

hep-ex2024

Determination of $|V_{ub}|$ from simultaneous measurements of untagged $B^0\toπ^- \ell^+ ν_{\ell}$ and $B^+\toρ^0 \ell^+ν_{\ell}$ decays

Belle II Collaboration, I. Adachi, L. Aggarwal +417

hep-ex2026

First search for $B \rightarrow X_{s} ν\barν$ decays

Belle II Collaboration, M. Abumusabh, I. Adachi +440

hep-ex2025

Observation of $e^+e^-\toηΥ(2S)$ and search for $e^+e^-\toηΥ(1S),~γX_b$ at $\sqrt{s}$ near 10.75 GeV

Belle II Collaboration, I. Adachi, L. Aggarwal +435

hep-ex2025

Model-agnostic likelihood for the reinterpretation of the $B^+\to K^+ν\barν$ measurement at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +374

hep-ex2024

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

Belle, Belle II Collaborations, : +407

hep-ex2026

Searches for charged-lepton-flavor violation in $χ_{bJ}(1P)$ decays

Belle, Belle II Collaborations, : +415

hep-ex2026

Search for the decay $B^+ \rightarrow K^+τ^+τ^-$ using data from the Belle and Belle II experiments

Belle, Belle II Collaborations, : +435

hep-ex2026

Study of $B^+ \to μ^+ ν_μ$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +412

hep-ex2025

Search for an Axion-Like Particle in $B\rightarrow K^{(*)} a (\rightarrowγγ)$ Decays at Belle

Belle, Belle II Collaborations, : +422

hep-ex2026

Search for $e^+ e^- \to γχ_{bJ}$ ($J$ = 0, 1, 2) near $\sqrt{s} = 10.746$ GeV at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +399

hep-ex2025

Charged-hadron identification at Belle II

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

hep-ex2026

Study of $e^{+}e^{-}\to h^{+}h^{-}J/ψ~(h=π,~K,~p)$ via initial-state radiation at Belle~II

Belle II Collaboration, M. Abumusabh, I. Adachi +417

hep-ex2026

Search for axion-like particles decaying to two photons at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +450

hep-ex2026

Measurement of inclusive $B \to X_u \ell ν$ partial branching fractions and $|V_{ub}|$ at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +419

hep-ex2026

First evidence of $X(3872)\toπ^0χ_{c0}(1P)$ and search for $X(3915)\toπ^0χ_{c1}(1P)$

Belle, Belle II Collaborations, : +412

hep-ex2025

Measurement of $B \to K{}^{*}(892)γ$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +451

hep-ex2024

Search for lepton flavor-violating decay modes $B^0\to K_S^0τ^\pm\ell^\mp~(\ell=μ, e)$ with hadronic $B$-tagging at Belle and Belle II

Belle, Belle II Collaborations, : +425

hep-ex2025

Measurements of the mass difference $m(B^0)-m(B^+)$ and the energy dependence of the cross-section ratio $σ(e^+e^-\to B^0\bar{B}^0) / σ(e^+e^-\to B^+B^-)$ at Belle and Belle II

Belle, Belle II Collaborations, : +396

hep-ex2026

Search for the $\boldsymbol{B^0 \to K^0_{\rm S} τ^+ τ^-}$ decay

Belle, Belle II Collaborations, : +432

hep-ex2024

Measurement of the branching fractions of $\bar{B}\to D^{(*)} K^- K^{(*)0}_{(S)}$ and $\bar{B}\to D^{(*)}D_s^{-}$ decays at Belle II

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

hep-ex2025

Measurements of the branching fractions of $Ξ_{c}^{+}\to Σ^{+}K_{S}^{0}$, $Ξ_{c}^{+}\to Ξ^{0}π^{+}$, and $Ξ_{c}^{+}\to Ξ^{0}K^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +357

hep-ex2026

Measurement of the $CP$ asymmetry in $D^0\toπ^+π^-π^0$ decays at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +400

hep-ex2025

Search for $C\!P$ violation in $D^+_{(s)}\to{}K_{S}^{0}K^{-}π^{+}π^{+}$ decays using triple and quadruple products

Belle, Belle II Collaborations, : +366

hep-ex2025

Measurement of the $ D^{0}\rightarrow K^{-}π^{+}e^{+}e^{-} $ branching fraction and search for $ D^{0}\rightarrow π^{+}π^{-}e^{+}e^{-} $ and $D^{0}\rightarrow K^{+}K^{-}e^{+}e^{-} $ decays at Belle

Belle, Belle II Collaborations, : +481

physics.ins-det2025

Radiation damage study of Belle II silicon strip sensors with 90 MeV electron irradiation

K. Adamczyk, H. Aihara, K. Amos +58