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Phase-Variation Ramsey Spectroscopy of the 2^{3}S_{1}→ 2^{3}P_{2} Interval in Positronium

D M Newson1, D B Cassidy1

  • 1University College London, Department of Physics and Astronomy, Gower Street, London, WC1E 6BT, United Kingdom.

Physical Review Letters
|February 6, 2026
PubMed

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