Particle and Nuclear Physics at PSI

• Klaus Kirch (ETH Zürich & PSI)

Room: Lecture Theatre PSI’s High Intensity Proton Accelerator complex provides a 1.4 MW beam of 590 MeV protons to targets. It simultaneously serves particle and nuclear physics experiments with pions, muons and ultracold neutrons (UCN) at the Swiss Research Infrastructure for Particle Physics, CHRISP, as well as materials research with muons at the Swiss muon Source, SmuS, and neutrons at the Swiss spallation source, SINQ. The pion, muon and UCN beams belong to the highest intensity, low momentum beams available worldwide and offer unique opportunities. The experiments carried out in nuclear and particle physics cover a broad range of questions from fundamental symmetry tests, e.g. regarding charged lepton flavor, lepton universality and CP violation, to precision measurements of parameters and benchmarks of the Standard Model of particle physics and modern nuclear theory, such as particle masses or nuclear charge radii. The talk will present an overview of experimental efforts and facility upgrades.