Göttingen 2025 – scientific programme

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T: Fachverband Teilchenphysik

T 20: Invited Topical Talks I

T 20.4: Invited Topical Talk

Tuesday, April 1, 2025, 15:15–15:45, ZHG011

Dark sector searches with invisible and displaced signatures at Belle II — •Giacomo De Pietro — Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany

Experimental evidence points to the existence of so-called dark matter, which makes up 85The Belle II experiment is collecting samples of e⁺ e⁻ collision data at center-of-mass energies near the Υ(4S) resonance. These data have constrained kinematics and low multiplicity, allowing searches for dark sector particles in the mass range from a few MeV to O(10) GeV. In this talk I will review some of the recent dark sector searches at Belle II, focusing on the results with invisible and displaced signatures.

Keywords: belle ii; dark sector; invisible; displaced