Letter of Intent: Muonium R&D/Physics Program at the MTA Article Swipe

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Muonium Fermilab Muon Physics Nuclear physics Beam (structure) Proton Particle physics Linear particle accelerator Optics

Corrado Gatto , C. Izzo , C. Johnstone , Daniel M. Kaplan , Kevin Lynch , D. Mancini , A. Mazzacane , Benjamin McMorran , J. Miller , J. Phillips , T. J. Phillips , R. D. Reasenberg , T. Roberts , Jeff Terry ·

YOU? · · 2022 · Open Access · · DOI: https://doi.org/10.2172/1924336 · OA: W4320909284

With the planned turn-on of the PIP-II 800 MeV superconducting proton linac, Fermilab will potentially become the world's best laboratory at which to carry out fundamental muon measurements, sensitive searches for symmetry violation, and precision tests of theory. In preparation, we propose to develop the techniques that will be needed. An R&D and physics program is proposed at the Fermilab MeV Test Area to use the existing 400 MeV Linac to demonstrate the efficient production of a slow muonium beam using $\\mu^+$ stopped in a ~100 $\\mu$m-thick layer of superfluid helium, and to use that beam to measure muonium gravity.