Positronium microwave spectroscopy using Ramsey interferometry

We describe an experimental arrangement suitable for performing microwave spectroscopy measurements of the positronium (Ps) n = 2 fine structure using Ramsey interferometry. Simulations are presented concerning the production of energetic 2 3 S 1 Ps atoms from a Xe gas cell, and their subsequent int...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2022-07, Vol.76 (7), Article 121
Main Authors: Babij, T. J., Cassidy, D. B.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Fine structure
Gas pressure
Interferometry
Microwave spectroscopy
Molecular
Molecular and Optical techniques for Fundamental Physics
Optical and Plasma Physics
Physical Chemistry
Physics
Physics and Astronomy
Positron beams
Positronium
Quantum Information Technology
Quantum Physics
Regular Article – Atomic Physics
Spectroscopy/Spectrometry
Spintronics
Waveguides
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Summary:We describe an experimental arrangement suitable for performing microwave spectroscopy measurements of the positronium (Ps) n = 2 fine structure using Ramsey interferometry. Simulations are presented concerning the production of energetic 2 3 S 1 Ps atoms from a Xe gas cell, and their subsequent interactions with a pair of waveguides in which coherent microwave radiation fields are applied. We conclude that for realistic experimental parameters, optimized using a Monte Carlo simulation, a gas cell length of 10 cm with a gas pressure of 0.5 Pa and a positron beam energy of 40 eV, count rates on the order of 50 Hz should be possible. Graphical abstract
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/s10053-022-00448-w