A. Lozar

hep-exphysics.ins-dethep-phnucl-ex

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

55 papers in the corpus · 2020–2026

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

First evidence of

X(3872)\to\pi^0\chi_{c0}(1P)

and search for

X(3915)\to\pi^0\chi_{c1}(1P)

2606.24578v1 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsarXiv

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

Measurement of mixing-induced CP violation in the decay

B^0 \to \pi^0 \pi^0

2606.20797v1 · M. Abumusabh, I. Adachi, K. Adamczyk et al.2026 · 0 citationsarXiv

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

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

Search for

\Xi^0p

\Omega^- p

, and

\Omega^- n

dibaryons in

\Upsilon(1S)

and

\Upsilon(2S)

decays at Belle2605.29778v2 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsarXiv

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)

Aerogel RICH Counter at the Belle II Detector2512.19146v2 · I. Adachi, N. Akopov, D. Augueste et al.2025 · 3 citationsarXiv

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

Characterisation of the LAPPD, a large area microchannel-plate PMT2512.02990v1 · S. Korpar, R. Dolenec, F. Grijalva et al.2025 · 0 citationsarXiv

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

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)

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)

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)

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

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 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)

Search for a τ^+τ^- Resonance in e^+e^-→μ^+μ^-τ^+τ^- Events with the Belle II Experiment.37802942 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2023 · 10 citationsPhysical review letters. 2023;131(12):121802

Measurement of

CP

asymmetries in

B^0\to \phi K^0_S

decays with Belle II2307.02802v2 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2023 · 2 citationsPhys. Rev. D 108, 072012 (2023)

Search for an Invisible Z^' in a Final State with Two Muons and Missing Energy at Belle II.37354391 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2024 · 21 citationsPhysical review letters. 2023;130(23):231801

Search for lepton-flavor-violating

\tau^- \to \ell^-\phi

decays in 2019-2021 Belle II data2305.04759v3 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2023 · 0 citationsarXiv

Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II.37204890 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2023 · 24 citationsPhysical review letters. 2023;130(18):181803

Observation of

{B\to D^{(*)} K^- K^{0}_S}

decays using the 2019-2022 Belle II data sample2305.01321v1 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2023 · 2 citationsarXiv

Novel method for the identification of the production flavor of neutral charmed mesons2304.02042v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2023 · 6 citationsPhys. Rev. D 107, 112010 (2023)

Measurement of the branching fraction and

\it CP

asymmetry of

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

decays using

198 \times 10^6

B\overline{B}

pairs in Belle II data2303.08354v3 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2023 · 7 citationsarXiv

Observation of e^+e^-→ωχ_bJ(1P) and Search for X_b→ωϒ(1S) at sqrt[s] near 10.75 GeV.36930912 · Adachi, I, Aggarwal, L, Ahmed, H et al.2023 · 22 citationsPhysical review letters. 2023;130(9):091902

Search for a Dark Photon and an Invisible Dark Higgs Boson in μ^+μ^- and Missing Energy Final States with the Belle II Experiment.36867830 · Abudinén, F, Adachi, I, Aggarwal, L et al.2023 · 20 citationsPhysical review letters. 2023;130(7):071804

Measurement of the

B^{0} \rightarrow D^{*-} \ell^{+} \nu_{\ell}

branching ratio and

|V_{cb}|

with a fully reconstructed accompanying

B

meson in 2019-2021 Belle II data2301.04716v1 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2023 · 1 citationarXiv

Reconstruction of

B \to \rho \ell \nu_\ell

decays identified using hadronic decays of the recoil

B

meson in 2019 -- 2021 Belle II data2211.15270v1 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 0 citationsarXiv

LAPPD operation using ToFPETv2 PETSYS ASIC2210.15331v2 · A. Seljak, M. Bracko, R. Dolenec et al.2022 · 5 citationsarXiv

Determination of

|V_{cb}|

from

B\to D\ell\nu

decays using 2019-2021 Belle II data2210.13143v1 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 0 citationsarXiv

Determination of

|V_{ub}|

from untagged

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

decays using 2019-2021 Belle II data2210.04224v2 · K. Adamczyk, L. Aggarwal, P. Ahlburg et al.2022 · 2 citationsarXiv

Measurement of decay-time dependent

CP

violation in

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

using 2019--2021 Belle II data2209.09547v2 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 0 citationsarXiv

Measurement of the branching fractions and

CP

asymmetries of

B^+ \rightarrow \pi^+ \pi^0

and

B^+ \rightarrow K^+ \pi^0

decays in 2019-2021 Belle II data2209.05154v2 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 0 citationsarXiv

Measurement of the

\Omega_c^0

lifetime at Belle II2208.08573v4 · F. Abudin'en, I. Adachi, L. Aggarwal et al.2022 · 12 citationsPhys. Rev. D 107, L031103 (2023)

Measurement of Branching Fraction and Longitudinal Polarization in

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

Decays at Belle II2208.03554v1 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 2 citationsarXiv

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in

B \to J/\psi K

decays at Belle II2207.11275v1 · F. Abudin'en, I. Adachi, R. Adak et al.2022 · 0 citationsarXiv

Study of Exclusive

B \to \pi e^+ \nu_e

Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb

^{-1}

of Belle II Data2206.08102v2 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 1 citationarXiv

Measurement of the branching fraction of the

B^0 \to K_S^0 \pi^0 \gamma

decay using 190 fb

^{-1}

of Belle II data2206.08280v1 · F. Abudin'en, I. Adachi, K. Adamczyk et al.2022 · 0 citationsarXiv

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