Affiliation:
1. Institute for Particle Physics, ETH–Zürich, CH-8097 Zürich, Switzerland
Abstract
We propose an experiment to search for invisible decays of orthopositronium (o-Ps) with the 90% confidence sensitivity in the branching ratio as low as 10-8. Evidence for this decay mode would unambiguosly signal new physics: either the existence of extra–dimensions or fractionally charged particles or new light gauge bosons. The experimental approach and the detector components of the proposed experiment are described.
Publisher
World Scientific Pub Co Pte Lt
Subject
Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics
Cited by
6 articles.
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