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T: Fachverband Teilchenphysik

T 15: Search for new particles I

T 15.1: Vortrag

Montag, 30. März 2020, 16:30–16:45, H-HS XVI

Search for new physics at BESIII — •Riccardo Aliberti — Insitut für Kernphysik, Johannes Gutenberg-Universität, Mainz

The Standard Model of particle physics (SM) is a very successful theory providing an elegant, precise, and consistent mathematical description of the nature at the elementary particles level. However, the experimental observations of neutrinos oscillations, dark matter and dark energy as well as the tension between measurement and prediction of the anomalous magnetic momentum of the muon, pointed out that the SM is incomplete and new physics processes are still waiting to be uncovered.
The BESIII experiment, located on the Beijing Electron–Positron Collider (BEPCII), provides an ideal environment for the search of particles beyond the standard model in the MeV to few GeV mass region. The search for new particles is carried out for production channels directly associated to e⁺e⁻ collisions as well as for those involving particle decays (J/Ψ, ω, Φ, ...). In this talk, the latest results and prospects for the search of dark photon and Z’ in visible and invisible final state at BESIII will be presented.