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Dark Matter 2025: From the Smallest to the Largest Scale

Jun 2 – 6, 2025
Santander, Spain
Europe/Madrid timezone

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Session

Thursday Morning II

Jun 5, 2025, 12:00 PM
Santander, Spain

Santander, Spain

Gran Hotel Victoria C. María Luisa Pelayo, 38 39005 Santander Cantabria, Spain

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  1. 80. Dark Photon Searches at LHCb
    Carlos Eduardo Cocha Toapaxi (Heidelberg University)
    6/5/25, 12:00 PM
    Accelerator Searches for DM
    Contributed Talk

    The LHCb experiment searches the existence of dark photons ($A'$) as potential mediators between the Standard Model and a hypothesized dark sector, which is expected to interact feebly with Standard Model (SM) particles through kinetic mixing. Results from Run 1 and Run 2, focusing on prompt and displaced dark photon decays into muon pairs ($A'→\mu^+\mu^-$), have set world-leading exclusion...

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  2. 12. Recent results on dark sector searches at Belle II
    Foteini Trantou (University of Pisa)
    6/5/25, 12:20 PM
    Accelerator Searches for DM
    Contributed Talk

    The Belle II experiment has unique reach for a broad class of models that postulate the existence of dark matter particles with MeV—GeV masses. This talk presents recent world-leading physics results from Belle II searches for Z' bosons, axion-like particles, and dark scalars in association with two muons in e+e- collisions; long-lived (pseudo)scalars produced in decays of B-mesons; inelastic...

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  3. 23. Consistent excesses in SUSY DM production at the LHC
    Sven Heinemeyer (IFT (CSIC, Madrid))
    6/5/25, 12:40 PM
    Accelerator Searches for DM
    Contributed Talk

    In the SUSY DM searches, both ATLAS and CMS show consistent excesses in two independent search channels. While each of these four searches is at the 1-2 $\sigma$ level, it is the first time that all relevant channels show these consistent excesses. These searches indicate a DM mass (of the lightest neutralino) of about 200 GeV, with two more particles (the second lightest neutralino and the...

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  4. 70. DM at the ILC
    Gudrid Moortgat-Pick (University of Hamburg / DESY)
    6/5/25, 1:00 PM
    Accelerator Searches for DM
    Invited Talk

    Dark matter phenomenology in BSM models at future lepton colliders (focus on the ILC) are discussed. As an explicit example, a strategy for parameter determination of a supersymmetric DM candidate in the MSSM is presented. The importance of polarized beams and threshold scans is critically analyzed. Precision requirements of masses and cross sections are worked out and compared for the...

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