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12th Workshop on Flavor Symmetries and Consequences in Accelerators and Cosmology (FLASY 2026)

17–22 Aug 2026
Commodore Hotel
Asia/Seoul timezone

Session

BSM 1

19 Aug 2026, 11:00
Commodore Hotel

Commodore Hotel

Gyeongju

Conveners

BSM 1

  • Ki-Young Choi (Sungkyunkwan University)

Presentation materials

There are no materials yet.

  1. 57. Beyond the Beam-Dump Ceiling: Probing Light Dark Photons at the LHC
    Dr Doojin Kim (Texas A&M University)
    19/08/2026, 11:00
    Invited plenary talks: 25'+5'

    Beam-dump experiments provide powerful probes of light and feebly interacting particles, but their sensitivity to visibly decaying mediators is ultimately limited by the requirement that the new particle survive the shielding or baseline before reaching the detector. This geometric requirement produces a characteristic “beam-dump ceiling” in the coupling–mass parameter space, beyond which the...

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  2. 59. Cepheids as a dark matter detector
    Prof. Hyung Do Kim (Seoul National University)
    19/08/2026, 11:30
    Invited plenary talks: 25'+5'

    Dark photon dark matter with a mass at around meV can be nicely probed by cepheids. Characteristic relationship between period and luminosity is affected by the presence of dark matter. Cooling and heating of Cepheids by dark matter is discussed in detail.

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  3. 38. Probing Higgs self-coupling using Higgs-pair production at multi-TeV Muon Colliders
    Kingman Cheung (National Tsing Hua Univ / Konkuk Univ)
    19/08/2026, 12:00
    Invited plenary talks: 25'+5'

    One of the ultimate goals of future high-energy colliders is to uncover
    the nature of electroweak symmetry breaking (EWSB). In particular, a
    precise determination of the Higgs trilinear self-coupling,
    $\kappa_3$, would provide crucial insight into the structure of the
    Higgs potential and the mechanism of EWSB. We investigate the
    sensitivity of multi-TeV muon colliders to $\kappa_3$...

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  4. 66. Collider Spin Tomography with Missing Neutrinos
    Jia Liu (Peking University)
    19/08/2026, 12:30
    Invited plenary talks: 25'+5'

    Missing neutrinos need not destroy collider spin tomography. We formulate the visible measurement under kinematic ambiguities arising from invisible particles as a coarse-grained positive-operator-valued measure on the production spin density matrix. We show that information loss is governed by the null space of the resulting visible-data map, not by the number of kinematic solutions. In...

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