378 citations · 531 across the 3 of their papers we have counts for
1 paper · 2 filters
A. Badertscher, P. Crivelli, W. Fetscher +4
We propose an experiment to search for invisible decays of orthopositronium (o-Ps) with a 90% confidence sensitivity in the branching ratio as low as 10−8. Evidence for this d…