Hiroaki Aihara

Professor

University of Tokyo

Japan

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About

Hiroaki Aihara is a Professor at the University of Tokyo, Japan. His research focuses on experimental particle physics, particularly in the study of dark matter, lepton flavor violations, and B meson decays. Recent articles by Professor Aihara include investigations into Higgs boson production and measurements of CP asymmetry in particle decays, contributing significantly to the field through the Belle and Belle II experiments.

Articles (30)

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2023

Collaborators (41)

Vitalii Lisovskyi

CNRS – Inserm – Aix Marseille University

FRANCE

Hiroaki Aihara

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Articles (30)

Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment

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

Search for lepton flavor-violating decay modes B$^{0}$→ K$^{*0}$τ$^{±}$ℓ$^{∓}$ (ℓ = e, μ) with hadronic B-tagging at Belle and Belle II

Search for lepton-flavor-violating ${\tau }^{-}\to {{\ell}}^{-}{K}_{s}^{0}$ decays at Belle and Belle II

Test of lepton flavor universality with measurements of R(D+) and R(D*+) using semileptonic B tagging at the Belle II experiment

Study of χbJ(2P)→ωϒ(1S) at Belle

Search for a pentaquark state decaying into pJ/ψ in Υ(1, 2S) inclusive decays at Belle

Observation of the decays B+→Σc(2455)++Ξ¯c- and B0→Σc(2455)0Ξ¯c0

Search for lepton-flavor-violating tau decays to ℓα at Belle

Measurement of the CP asymmetry in D+→π+π0 decays at Belle II

Search for lepton-flavor-violating τ$^{−}$→ μ$^{−}$μ$^{+}$μ$^{−}$ decays at Belle II

Search for Rare <math display="inline"><mrow><mi>b</mi><mo stretchy="false">→</mo><mi>d</mi><msup><mrow><mo>ℓ</mo></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mo>ℓ</mo></mrow><mrow><mo>-</mo></mrow></msup></mrow></math> Transitions at Belle

Measurement of the branching fractions of $ \overline{B} $ → D$^{(*)}$K$^{−} {K}_{(S)}^{\left(\ast \right)0} $ and $ \overline{B} $ → D$^{(*)} {D}_s^{-} $ decays at Belle II

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

Search for the decay <math display="inline"><msup><mi>B</mi><mn>0</mn></msup><mo stretchy="false">→</mo><mi>γ</mi><mi>γ</mi></math> using Belle and Belle II data

Measurements of the Branching Fraction, Polarization, and <math display="inline"><mi>C</mi><mi>P</mi></math> Asymmetry for the Decay <math display="inline"><msup><mi>B</mi><mn>0</mn></msup><mo stretchy="false">→</mo><mi>ω</mi><mi>ω</mi></math>

Operational experience and performance of the Belle II silicon vertex detector after the first SuperKEKB long shutdown

Test of Light-Lepton Universality in the Rates of Inclusive Semileptonic <math display="inline"><mi>B</mi></math>-Meson Decays at Belle II

Measurement of <math display="inline"><mi>C</mi><mi>P</mi></math> Violation in <math display="inline"><msup><mi>B</mi><mn>0</mn></msup><mo stretchy="false">→</mo><msubsup><mi>K</mi><mi>S</mi><mn>0</mn></msubsup><msup><mi>π</mi><mn>0</mn></msup></math> Decays at Belle II

Measurement of the <math display="inline"><mi>τ</mi></math>-lepton mass with the Belle II experiment

Search for the double-charmonium state with η$_{c}$J/ψ at Belle

First measurement of the $Q^2$ distribution of X(3915) single-tag two-photon production

Measurement of the e$^{+}$e$^{−}$→$ {B}_s^0{\overline{B}}_s^0X $ cross section in the energy range from 10.63 to 11.02 GeV using inclusive $ {D}_s^{+} $ and D$^{0}$ production

Study of the muon decay-in-flight in the τ−→μ−ν¯μντ decay to measure the Michel parameter ξ′

Collaborators (41)

Vitalii Lisovskyi

Armine Rostomyan

Anselm Vossen

Stefano Bettarini

Masako Iwasaki

Marco Giovanni Maria Destefanis

Kevin Varvell

Marcello Campajola

Jerome Baudot

William Jacobs

Robert Kowalewski

Mario Merola

Janis McKenna

Gunar Schnell

Jake Bennett

Sourav Patra

Andreas Warburton

Torben Ferber

Thomas E Browder

Shanette De La Motte

Sam Cunliffe

Hossain Ahmed

swagato banerjee

Andrzej Bożek

Alexandre Beaubien

Slavomira Stefkova

Diptaparna Biswas

Daniel Jacobi

Florian Bernlochner

Akimasa Ishikawa

Chia-Ling Hsu

Seongbae Yang

Chunhui Chen

Leo Piilonen

Seungcheol Lee

Alan Schwartz

Michael Roney

Dmitri Liventsev

ZACHARY LIPTAK

Giuseppe Finocchiaro

Masataka Masuda

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Measurement of the branching fractions of $ \overline{B} $ → D$^{()}$K$^{−} {K}_{(S)}^{\left(\ast \right)0} $ and $ \overline{B} $ → D$^{()} {D}_s^{-} $ decays at Belle II