Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 44: Eingeladene Vorträge (Invited Topical Talks) I

T 44.4: Eingeladener Vortrag

Mittwoch, 1. April 2020, 15:30–16:00, H-Aula

Can beam-dump experiments uncover the hidden sector? — •Markus Cristinziani — Physikalisches Institut, Nussallee 12, Universität Bonn

More than ten years after the first collisions no clear sign for new physics beyond the Standard Model has been revealed at the LHC. However, there are convincing astrophysical and cosmological arguments for the existence of an additional hidden sector, possibly not yet found in laboratory experiments because of their feeble interaction. A promising class of future experiments to probe new particles in the MeV–GeV range are those at beam dumps, characterized by high-intensity beams and long decay lengths, using either protons (such as SHiP at the CERN BDF, NA62 in beam-dump mode and MiniBooNE-DM) or electrons (such as NA64 and BDX). In this talk I will discuss the features, the physics reach and the current status of the planned beam-dump facilities and proposed experiments.