2 papers
physics.atom-ph2025
Synthesis of a high intensity, superthermal muonium beam for gravity and laser spectroscopy experiments
Jesse Zhang, Aldo Antognini, Marek Bartkowiak +8
The universality of free fall, a cornerstone of Einstein's theory of gravity, has so far only been tested with neutral composite states of first-generation Standard Model (SM) part…
hep-ex2025
European Strategy for Particle Physics Update -- PIONEER: a next generation rare pion decay experiment
PIONEER Collaboration, A. Adelmann, W. Altmannshofer +76
PIONEER is a rapidly developing effort aimed to perform a pristine test of lepton flavour universality (LFU) and of the unitarity of the first row of the CKM matrix by significantl…