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2026 CAU Beyond the Standard Model Focus Workshop

9–12 Feb 2026
Chung-Ang University
Asia/Seoul timezone

Contact: Prof. Hyun Min Lee

Session

S11

11 Feb 2026, 14:30
Chung-Ang University

Chung-Ang University

R&D Center 102-106, Chung-Ang University, Seoul 06974, Republic of Korea

Conveners

S11

  • Shuntaro AOKI

Presentation materials

There are no materials yet.

  1. 15. Belle II excess and dark matter
    Dr Jongkuk Kim (Chung-Ang University)
    11/02/2026, 14:30

    The Belle II Collaboration recently announced the first observation of the 𝐵 → 𝐾 + 𝜈 𝜈 decay process. This decay channel provides a particularly clean signal and allows for high theoretical precision. However, their measurement shows a 2.7𝜎 deviation from the Standard Model prediction. To address this excess, we study a scalar dark matter model. Assuming a dark 𝑈 (1)𝑋≡𝑈(1)𝐿𝜇−𝐿𝜏 symmetry, this...

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  2. 27. The Seesaw Route to Neutrino Asymmetry and Baryogenesis in light of EMPRESS observation
    Arghyajit Datta
    11/02/2026, 15:00

    We present a type-I seesaw scenario within the supersymmetric $U(1)_{B-L}$
    extension of the Standard Model that simultaneously explains the large electron–neutrino asymmetry suggested by EMPRESS and the observed tiny baryon asymmetry. Both asymmetries originate from the decay of the $B−L$ Higgs condensate dominating the early Universe. It`s early rare decays into heavy right-handed...

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  3. 29. Periodic dynamics induced by wave dark matter: From neutrino to superconductor
    Yechan Kim (KAIST)
    11/02/2026, 15:30

    The oscillating wave dark matter can act as a periodic driver, producing distinct modulation signatures not only in particle physics (e.g., neutrinos), but also in solid-state physics (e.g., superconductors). This talk is based on our recent papers PRD 108, 095028 (2023); JHEP 07 (2025) 269; arXiv: 2509.22892.

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