R. Mehta

hep-exhep-ph

On Valency

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

58 papers in the corpus · 2023–2026

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

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

Observation of the decays

B^{+} \to \Sigma_{c}(2455)^{++} \bar{\Xi}_{c}^{\prime-}

and

B^{0} \to \Sigma_{c}(2455)^{0} \bar{\Xi}_{c}^{\prime0}

2606.12905v2 · Belle, Belle II Collaborations: M. Abumusabh, A. Aggarwal et al.2026 · 0 citationsPhysical Review D 114, 052016 (2026)

Measurement of time-dependent

CP

violation parameters in

B^{0} \to K_{S}^{0} \pi^{0} \gamma

decays at Belle and Belle II2606.04496v2 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsJHEP 09 (2026) 216

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

Measurement of the

CP

asymmetry in

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

decays at Belle II2510.21224v2 · M. Abumusabh, I. Adachi, L. Aggarwal et al.2025 · 1 citationPhys. Rev. D 113 (2026) 052006

First measurements of the branching fractions for the decay modes

\Xi_c^{0} \to \Lambda \eta

and

\Xi_c^0 \to \Lambda \eta'

and search for the decay

\Xi_c^{0} \to \Lambda \pi^0

using Belle and Belle II data2510.20882v2 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2025 · 2 citationsPhys. Rev. D 113, 032015 (2026)

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

Search for

e^+ e^- \to \gamma\chi_{bJ}

(

J

= 0, 1, 2) near

\sqrt{s} = 10.746

GeV at Belle II2508.16036v2 · M. Abumusabh, I. Adachi, L. Aggarwal et al.2025 · 0 citationsPhys. Rev. D 113, 052009 (2026)

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

Model-agnostic likelihood for the reinterpretation of the

B^+\to K^+\nu\bar{\nu}

measurement at Belle II2507.12393v2 · M. Abumusabh, I. Adachi, L. Aggarwal et al.2025 · 4 citationsPhys. Rev. D 112, 092016, 2025

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)

Observation of the decays

B^{+} \to \Sigma_{c}(2455)^{++} \overline{\Xi}_{c}^{-}

and

B^{0} \to \Sigma_{c}(2455)^{0} \overline{\Xi}_{c}^{0}

2507.05094v3 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2025 · 4 citationsPhys. Rev. D 112, L051101 (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)

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)

Measurements of the branching fractions of

\Xi_{c}^{+}\to \Sigma^{+}K_{S}^{0}

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

, and

\Xi_{c}^{+}\to \Xi^{0}K^{+}

at Belle and Belle II2503.17643v2 · Belle, Belle II Collaborations: I. Adachi, J. K. Ahn et al.2025 · 0 citationsJHEP08(2025)195

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 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 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)

Search for

C\!P

violation in

D^+_{(s)}\to{}K_{S}^{0}K^{-}\pi^{+}\pi^{+}

decays using triple and quadruple products2409.15777v2 · Belle, Belle II Collaborations: L. Aggarwal, H. Ahmed et al.2024 · 0 citationsJHEP 04 (2025) 036

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

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

Search for the baryon number and lepton number violating decays

\tau^-\to \Lambda\pi^-

and

\tau^-\to \bar{\Lambda}\pi^-

at Belle II2407.05117v1 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsPhysical Review D 110, 112003 (2024)

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)

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

Measurement of the energy dependence of the

e^+e^- \to B\bar{B}

B\bar{B}{}^*

, and

B^*\bar{B}{}^*

cross sections at Belle~II2405.18928v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsarXiv

First Measurement of R(X_τ/ℓ) as an Inclusive Test of the b→cτν Anomaly.38856254 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2024 · 12 citationsPhysical review letters. 2024;132(21):211804

Test of light-lepton universality in

\tau

decays with the Belle II experiment2405.14625v2 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2024 · 2 citationsJournal of High Energy Physics 08 (2024) 205

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).

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 the

e^+e^- \to \pi^+\pi^-\pi^0

cross section in the energy range 0.62-3.50 GeV at Belle II2404.04915v2 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 8 citationsPhys. Rev. D 110 (2024) 112005

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

Study of

\Upsilon(10753)

decays to

\pi^{+}\pi^{-}\Upsilon(nS)

final states at Belle II2401.12021v3 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsarXiv

A test of lepton flavor universality with a measurement of

R(D^{*})

using hadronic

B

tagging at the Belle II experiment2401.02840v1 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2024 · 19 citationsarXiv

Search for the

e^+e^-\to\eta_{b}(1S)\omega

and

e^+e^-\to\chi_{b0}(1P)\omega

processes at

\sqrt{s}=10.745\,\mathrm{GeV}

2312.13043v1 · I. Adachi, L. Aggarwal, H. Ahmed et al.2023 · 0 citationsarXiv

Evidence for

B^{+}\to K^{+}\nu\bar{\nu}

decays2311.14647v3 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2023 · 95 citationsPhys. Rev. D 109, 112006 (2024)

Tests of Light-Lepton Universality in Angular Asymmetries of B^0→D^*-ℓν Decays.37977641 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2023 · 8 citationsPhysical review letters. 2023;131(18):181801

Precise Measurement of the D_s^+ Lifetime at Belle II.37955504 · Adachi, I, Aggarwal, L, Aihara, H et al.2023 · 5 citationsPhysical review letters. 2023;131(17):171803

Measurement of branching fractions and direct

CP

asymmetries for

B \to K\pi

and

B\to\pi\pi

decays at Belle II2310.06381v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2023 · 9 citationsPhys. Rev. D 109, 012001 (2024)

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