Searches for Dark Sector Particles at Belle and Belle II

Sumitted to PubDB: 2024-07-26

Category: Proceeding, Visibility: Public

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Authors Savino Longo
Date July 21, 2024
Belle II Number BELLE2-CONF-PROC-2024-016
Abstract The Belle and Belle II experiment have collected samples of $e^+e^-$ collision data at centre-of-mass energies near the $\Upsilon(nS)$ resonances. These data have constrained kinematics and low multiplicity, which allow searches for dark sector particles in the mass range from a few MeV to 10 GeV. The latest dark sector results by Belle and Belle II, which constrain a variety of dark mediators, are discussed.

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