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Invisibles25 Workshop

1–5 Sept 2025
CERN
Europe/Zurich timezone

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Session

Dark Matter

4 Sept 2025, 14:00
500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium

CERN

400
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Conveners

Dark Matter

  • Edoardo Vitagliano

Dark Matter

  • Andrea Caputo (U. Rome La Sapienza)

Dark Matter

  • Andrea Caputo (U. Rome La Sapienza)

Presentation materials

There are no materials yet.

  1. 50. Indirect dark matter searches
    Francesca Calore (Unite Reseaux du CNRS (FR))
    04/09/2025, 14:00
    Invited Talk
  2. 51. Light dark matter searches
    Tomer Volansky (Tel Aviv University (IL))
    04/09/2025, 14:30
    Invited Talk
  3. 52. Axion searches (direct detection)
    Itay Bloch (Tel Aviv University)
    04/09/2025, 15:00
    Invited Talk
  4. 53. Stellar probes of dark matter
    Sandra Robles (Fermilab)
    05/09/2025, 09:30
    Invited Talk
  5. 54. Axion searches (astrophyscial probes)
    Chris Dessert (Flatiron Institute/New York University)
    05/09/2025, 10:00
    Invited Talk
  6. 152. Constraints on asteroid-mass primordial black holes from capture by stars
    Nicolas Esser
    05/09/2025, 10:30
    Talk

    Primordial black holes (PBHs) have been excluded from constituting the entirety of the dark matter (DM), except in the so-called 'asteroid-mass' range (between 10¹⁷ and 10²³ g) where they remain unconstrained. We present here observation-based constraints on PBHs in this previously open window, using photometric observations of local ultra-faint dwarf galaxies (UFDs) from the Hubble Space...

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  7. 145. Probing Galactic dark matter objects from the heating of exoplanetary systems
    Théo Paré (LUPM)
    05/09/2025, 10:35
    Talk

    We explore the gravitational heating of exoplanetary systems by dark matter substructures of different kinds (primordial black holes -- PBHs, ultra-compact -- UCMHs, or classical subhalos). In this context, the scales of the dark objects probed are of the same order as the orbital radii of planets of interest. Distant exoplanets are quite sensitive to heating processes because less bound to...

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  8. 77. Composite dark matter disassembly in the Earth
    Yilda Boukhtouchen (Queen’s University)
    05/09/2025, 10:40
    Talk

    Composite dark matter models, where dark matter exists in bound states formed in the early universe, have long been a source of scientific interest. In this talk, I will focus on loosely bound dark matter composite states, where the binding energy per constituent is small compared to the constituent’s bare mass. If this binding energy is sufficiently small, scattering with Standard Model...

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  9. 55. Light Dark Matter Theory & Cosmology
    Josef Pradler (University of Vienna & Austrian Academy of Sciences (AT))
    05/09/2025, 11:30
    Invited Talk
  10. 148. The SABRE South Experiment at the Stawell Underground Physics Laboratory
    Leonie Einfalt
    05/09/2025, 12:00
    Talk

    SABRE is an international collaboration that will operate similar particle detectors
    in the Northern (SABRE North) and Southern Hemispheres (SABRE
    South). This innovative approach aims to distinguish potential dark matter
    signals from seasonal backgrounds: a pioneering strategy only feasible with a
    Southern Hemisphere experiment. SABRE South is located at the Stawell Underground
    Physics...

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  11. 143. In search of light dark matter
    Aula Al-Adulrazzaq
    05/09/2025, 12:05
    Talk

    Despite decades of global effort, DM particles have so far evaded all attempts of direct detection. This may suggest that DM particles are too light to be detected with current experiments. The experimental sensitivity towards low dark matter mass can be improved by electronic excitation induced by nuclear recoil, a process known as the Migdal effect. We are developing a general formalism to...

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  12. 81. Global fits of sub-GeV dark matter
    Sri Sankari Alias Sowmiya Balan (Karlsruhe Institute of Technology)
    05/09/2025, 12:10
    Talk

    Models of Sub-GeV dark matter coupled to a dark photon with kinetic mixing feature a rich phenomenology. They are thus constrained by a number of laboratory, astrophysical and cosmological observations. The biggest obstacle for fermionic DM particles to make up all of the observed DM comes from the strong constraints placed by the CMB and X-ray emission on DM annihilation. This can be overcome...

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  13. 16. Antinuclei production from dark matter via weakly decaying $b$-hadrons
    Jordan Koechler (INFN Turin)
    05/09/2025, 12:15
    Talk

    In this talk, we present a tuning of PYTHIA and a coalescence model that leads to realistic predictions of antinuclei production. This tuning is validated against LEP data including the fragmentation function of $b$-quarks into into $b$-hadrons, which is crucial for determining the $\bar{\Lambda}_b^0$ multiplicity. The coalescence model is tuned to ALICE data for the $\overline{\text{D}}$ and...

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  14. 8. Listening for ultra-heavy dark matter with underwater acoustic detectors
    Damon Cleaver (King's College London)
    05/09/2025, 12:20
    Talk

    Ultra-heavy dark matter is a class of candidates for which direct detection experiments are ineffective due to the suppressed dark matter flux. We explore the potential of large underwater acoustic arrays, developed for ultra-high energy neutrino detection, to detect ultra-heavy dark matter. As ultra-heavy dark matter traverses seawater, it deposits energy through nuclear scattering,...

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