K. Parham

hep-exhep-phphysics.acc-phphysics.ins-det

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published · living versions

W_6nkzdk5z·v1 · currentpublished

Measurements of the branching fractions of

Λ_c^+\toΛK^+ π^0

and

Λ_c^+\toΛK^+ η

decays at Belle and Belle II

with Belle, Belle II Collaborations, :, M. Abumusabh +399

1 version

Preprints & journals

91 papers in the corpus · 2021–2026

Test of lepton flavor universality with

\bar{B} \rightarrow D^{(*)} \tau^{-} \bar{\nu}_{\tau}

and

\bar{B} \rightarrow D^{(*)} \ell^{-} \bar{\nu}_{\ell}

decays at Belle II2609.21947v1 · M. Abumusabh, I. Adachi, K. Adamczyk et al.2026 · 0 citationsarXiv

Search for the lepton-flavor-violating decay $ \tau^{\pm} \to \mu^{\pm} \gamma$ at Belle II2608.23009v1 · M. Abumusabh, I. Adachi, A. Aggarwal et al.2026 · 0 citationsarXiv

Searches for Charged-Lepton-Flavor Violation in χ_bJ(1P) Decays.42675404 · Abumusabh, M, Adachi, I, Aggarwal, A et al.2026 · 0 citationsPhysical review letters. 2026;137(7):071803

Search for the Decay B^+→K^+τ^+τ^- Using Data from the Belle and Belle II Experiments.42606420 · Abumusabh, M, Adachi, I, Adamczyk, K et al.2026 · 0 citationsPhysical review letters. 2026;137(5):051805

Observation of the Radiative Decay D_s0^*(2317)^+→D_s^*+γ.42412448 · Abumusabh, M, Adachi, I, Aggarwal, L et al.2026 · 1 citationPhysical review letters. 2026;136(24):241901

First Search for B→X_sνν[over ¯] Decays.42360933 · Abumusabh, M, Adachi, I, Adamczyk, K et al.2026 · 1 citationPhysical review letters. 2026;136(23):231801

Search for Feebly Interacting Particles in B Decays with Missing Energy at Belle.42360938 · Abumusabh, M, Adachi, I, Aggarwal, L et al.2026 · 2 citationsPhysical review letters. 2026;136(23):231802

Study of

e^+e^- \to \pi^+\pi^-\Upsilon(1D)

at Belle II2602.19807v2 · M. Abumusabh, I. Adachi, A. Aggarwal et al.2026 · 0 citationsJHEP06(2026)278

Study of

e^{+}e^{-}\to h^{+}h^{-}J/\psi~(h=\pi,~K,~p)

via initial-state radiation at Belle~II2602.13569v3 · M. Abumusabh, I. Adachi, A. Aggarwal et al.2026 · 0 citationsPhys. Rev. D 113, 112010 (2026)

Study of

B^+ \to \mu^+ \nu_\mu

decays at Belle and Belle II2602.09800v2 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsPhys. Rev. D 113, 112012 (2026)

Measurement of inclusive

B \to X_u \ell \nu

partial branching fractions and

|V_{ub}|

at Belle II2512.08056v2 · M. Abumusabh, I. Adachi, K. Adamczyk et al.2025 · 1 citationarXiv

Improved measurement of Born cross sections for

\chi_{bJ}\,\omega

and

\chi_{bJ}\,(\pi^+\pi^-\pi^0)_{\rm non-\omega}

(

J

= 0, 1, 2) at Belle and Belle II2510.25461v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 0 citationsJHEP04(2026)101

Search for B^0→K^*0τ^+τ^- Decays at the Belle II Experiment.41138105 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2025 · 3 citationsPhysical review letters. 2025;135(15):151801

Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment.41076698 · Adachi, I, Aggarwal, L, Ahmed, H et al.2025 · 4 citationsPhysical review letters. 2025;135(13):131801

Observation of

e^+e^-\to\eta\Upsilon(2S)

and search for

e^+e^-\to\eta\Upsilon(1S),~\gamma X_b

\sqrt{s}

near 10.75 GeV2509.01917v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2025 · 0 citationsarXiv

Search for Lepton-Flavor-Violating Decay Modes B^0→K_S^0τ^±ℓ^∓ with Hadronic B Tagging at Belle and Belle II.40794050 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2025 · 1 citationPhysical review letters. 2025;135(4):041801

Search for P_cc[over ¯]s(4459)^0 and P_cc[over ¯]s(4338)^0 in ϒ(1S,2S) Inclusive Decays at Belle.40794057 · Adachi, I, Aggarwal, L, Ahmed, H et al.2025 · 13 citationsPhysical review letters. 2025;135(4):041901

Search for the lepton-flavor-violating

\tau^{-} \rightarrow e^{\mp} \ell^{\pm} \ell^{\mp}

decays at Belle II2507.18236v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2025 · 2 citationsarXiv

Measurement of the $ D^0\rightarrow K^-\pi^+e^+e^- $ branching fraction and search for $ D^0\rightarrow \pi^+\pi^-e^+e^- $ and $D^0\rightarrow K^+K^-e^+e^- $ decays at Belle2507.05050v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 1 citationPhys. Rev. D 112, L071101 (2025)

Search for an Axion-Like Particle in

B\rightarrow K^{(*)} a (\rightarrow\gamma\gamma)

Decays at Belle2507.01249v4 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 1 citationJ. High Energ. Phys. 2025, 109 (2025)

Measurement of the CP asymmetry in

D^+ \to \pi^+ \pi^0

decays at Belle II2506.07879v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2025 · 2 citationsPhys. Rev. D 112, L031101 (2025)

Charged-hadron identification at Belle II2506.04355v3 · I. Adachi, H. Ahmed, Y. Ahn et al.2025 · 13 citationsarXiv

Search for lepton flavor-violating decay modes

B^0 \to K^{\ast 0}\tau^\pm\ell^\mp

(

\ell = e,\mu

) with hadronic B-tagging at Belle and Belle II2505.08418v2 · Belle, Belle II Collaborations: I. Adachi, Y. Ahn et al.2025 · 0 citationsJHEP08(2025)184

Measurement of the time-integrated

CP

asymmetry in

D^0\to\pi^0\pi^0

decays at Belle II2505.02912v3 · I. Adachi, Y. Ahn, N. Akopov et al.2025 · 2 citationsPhys. Rev. D 112, 012006 (2025)

Search for lepton-flavor-violating

\tau^- \to \ell^- K_s^0

decays at Belle and Belle II2504.15745v1 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 1 citationJ. High Energ. Phys. 2025, 92 (2025)

Measurement of the time-integrated

CP

asymmetry in

D^0 \to K^0_{\rm S} K^0_{\rm S}

decays using opposite-side flavor tagging at Belle and Belle II2504.15881v2 · Belle, Belle II Collaborations: I. Adachi, Y. Ahn et al.2025 · 1 citationPhys. Rev. D 112, 012017 (2025)

Test of lepton flavor universality with measurements of

R(D^{+})

and

R(D^{*+})

using semileptonic

B

tagging at the Belle II experiment2504.11220v3 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2025 · 6 citationsPhys. Rev. D 112, 032010 (2025)

Measurement of the Branching Fraction of

\Lambda_c^+ \to p K_S^0 \pi^0

at Belle2503.04371v2 · The Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 0 citationsarXiv

Design and Commissioning of Readout Electronics for a

K_L^0

and

\mu

Detector at the Belle II Experiment2502.02724v1 · C. Ketter, M. Andrew, T. Aushev et al.2025 · 0 citationsarXiv

Measurement of CP Asymmetries in B^0→K_S^0π^0γ Decays at Belle II.39913692 · Adachi, I, Aggarwal, L, Ahmed, H et al.2025 · 2 citationsPhysical review letters. 2025;134(1):011802

Measurement of the branching fraction, polarization, and time-dependent

CP

asymmetry in

B^0 \to \rho^+\rho^-

decays and constraint on the CKM angle

\phi_2

2412.19624v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsPhys. Rev. D 111, 092001, 2025

Measurement of the branching fraction and

\it CP

-violating asymmetry of the decay

B^{0} \rightarrow \pi^{0} \pi^{0}

using

387

million bottom-antibottom meson pairs in Belle II data2412.14260v1 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 1 citationarXiv

Measurement of the inclusive branching fractions for

B_s^0

decays into

D

mesons via hadronic tagging2411.14032v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 1 citationarXiv

Measurement of

B \to K{}^{*}(892)\gamma

decays at Belle II2411.10127v3 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 1 citationJHEP 09 (2025) 024

Measurement of the time-integrated CP asymmetry in

D^{0}\rightarrow K^{0}_{S}K^{0}_{S}

decays using Belle and Belle II data2411.00306v4 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 3 citationsPhys. Rev. D 111, 012015 (2025)

Model-independent measurement of

D^0

\overline{D}{}^0

mixing parameters in

D^0\rightarrow K^0_{S}\pi^+\pi^-

decays at Belle and Belle II2410.22961v4 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 1 citationPhys. Rev. D 111, 112011 (2025)

Search for Rare b→dℓ^+ℓ^- Transitions at Belle.39303229 · Adachi, I, Aggarwal, L, Aihara, H et al.2024 · 8 citationsPhysical review letters. 2024;133(10):101804

Determination of

|V_{ub}|

from simultaneous measurements of untagged

B^0\to\pi^- \ell^+ \nu_{\ell}

and

B^+\to\rho^0 \ell^+\nu_{\ell}

decays2407.17403v1 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 0 citationsarXiv

Measurement of branching fractions, CP asymmetry, and isospin asymmetry for

\boldsymbol{B\rightarrow\rho\gamma}

decays using Belle and Belle II data2407.08984v1 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2024 · 1 citationarXiv

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment2407.00965v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 26 citationsChin. Phys. C 49, 013001 (2025)

Measurement of the branching fractions of

\bar{B}\to D^{(*)} K^- K^{(*)0}_{(S)}

and

\bar{B}\to D^{(*)}D_s^{-}

decays at Belle II2406.06277v4 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 3 citationsJ. High Energ. Phys. 08 (2024) 206

Measurements of the branching fractions of

\Xi_{c}^{0}\to\Xi^{0}\pi^{0}

\Xi_{c}^{0}\to\Xi^{0}\eta

, and

\Xi_{c}^{0}\to\Xi^{0}\eta^{\prime}

and asymmetry parameter of

\Xi_{c}^{0}\to\Xi^{0}\pi^{0}

2406.04642v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 8 citationsJHEP10(2024)045

Search for the decay

B^{0}\to\gamma\gamma

using Belle and Belle II data2405.19734v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 4 citationsPhys. Rev. D 110, L031106 (2024)

Search for lepton-flavor-violating

\tau^- \to \mu^-\mu^+\mu^-

decays at Belle II2405.07386v2 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 8 citationsJ. High Energ. Phys. 2024, 62 (2024).

Determination of the CKM angle

\phi_{3}

from a combination of Belle and Belle II results2404.12817v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 1 citationarXiv

Measurement of the branching fraction of the decay

B^- \to D^0 \rho(770)^-

at Belle II2404.10874v2 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 3 citationsPhys. Rev. D 109, L111103 (2024)

Measurement of

CP

asymmetries in

B^0 \rightarrow K^0_S K^0_S K^0_S

decays at Belle II2403.02590v1 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsarXiv

Search for a

\mu^+\mu^-

resonance in four-muon final states at Belle II2403.02841v2 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2024 · 12 citationsPhys. Rev. D 109, 112015 (2024)

New graph-neural-network flavor tagger for Belle II and measurement of

\sin2\phi_1

B^0 \to J/\psi K^0_\text{S}

decays2402.17260v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 13 citationsPhys. Rev. D 110, 012001, 2024

Measurement of

CP

asymmetries in

B^0\to\eta'K^0_s

decays at Belle II2402.03713v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsPhys. Rev. D 110, 112002, Published 2 December, 2024

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