Detection of the Direct Hyperfine Transition of Positronium Atoms using sub-THz High-power Radiation

TL;DR

This paper reports on experimental techniques and initial results for detecting the direct hyperfine transition in positronium using high-power sub-THz radiation, which is significant for particle physics research.

Contribution

It introduces a novel experimental approach for observing the hyperfine transition of positronium with high-power sub-THz radiation, advancing the field's measurement capabilities.

Findings

Development of experimental setup for hyperfine transition detection

Initial R&D results demonstrating feasibility

Potential for precise hyperfine splitting measurements

Abstract

Hyperfine splitting of positronium is an important parameter for particle physics. This paper gives experimental techniques and results of R&D studies of our experiment to observe direct hyperfine transition of ortho-positronium to para-positronium.