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The 16th Particle Physics Phenomenology Workshop

15–18 Jun 2026
NTHU
Asia/Taipei timezone

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Session

High Energy Astroparticle Physics

17 Jun 2026, 10:30
Physics Building R124 (NTHU)

Physics Building R124

NTHU

Conveners

High Energy Astroparticle Physics

  • Meng-Ru Wu (Institute of Physics, Academia Sinica, Taipei, Taiwan)

High Energy Astroparticle Physics

  • Po-Yen Tseng (National Tsing Hua University, Department of Physics)

Presentation materials

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  1. 10. The 20 GeV Fermi halo: evidence for dark matter annihilation?
    Tomonori Totani (Dept. Astronomy, Univ. of Tokyo)
    17/06/2026, 10:30
    High Energy Astroparticle Physics
    Invited Presentation

    Fifteen years of the Fermi Large Area Telescope (LAT) data in the halo region of the Milky Way (MW) are analyzed to search for gamma rays from dark matter annihilation. Gamma-ray maps within the region of interest (|l| < 60 deg, 10 deg < |b| < 60 deg) are modeled using known components plus a halo-like component. A statistically significant halo-like excess is found with a spectral peak around...

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  2. 4. Superheavy supersymmetric dark matter as the origin of the KM3NeT ultrahigh energy signal
    Yongsoo Jho
    17/06/2026, 11:15
    High Energy Astroparticle Physics
    Invited Presentation

    We propose an explanation for the recently reported ultrahigh-energy neutrino signal at KM3NeT, which shows no clear association with known astrophysical sources. While decaying dark matter in the Galactic Center is a natural candidate, the observed arrival direction strongly suggests an extragalactic origin. We introduce a multicomponent dark matter scenario in which the components are part...

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  3. 41. Cosmic Rays, AGN Jets, and Galactic Bubbles: Connecting Plasma Microphysics to High-Energy Observables
    Hsiang-Yi Karen Yang (National Tsing Hua University)
    18/06/2026, 13:30
    High Energy Astroparticle Physics
    Invited Presentation

    Active galactic nuclei (AGN) inject enormous amounts of energy into their environments through relativistic jets, cosmic rays (CRs), and magnetized outflows, producing spectacular non-thermal structures from the Fermi/eROSITA bubbles in the Milky Way and newly discovered odd radio circles (ORCs). The evolution and emission properties of these systems are strongly influenced by plasma...

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