Journal ArticlePrecision spectroscopy of the hyperfine components of the 1S–2S transition in antihydrogenBaker, C J; Bertsche, W; Capra, A; Carruth, C; Cesar, C L; Charlton, M; Christensen, A; Collister, R; Cridland_Mathad, A; Eriksson, S; Evans, A; Evetts, N; Fajans, J; Friesen, T; Fujiwara, M C; Gill, D R; Grandemange, P; Granum, P; Hangst, J S; Hardy, W N; Hayden, M E; Hodgkinson, D; Hunter, E; Isaac, C A; Johnson, M A; Jones, J M; Jones, S A; Jonsell, S; Khramov, A; Kurchaninov, L; Madsen, N; Maxwell, D; McKenna, J_T K; Menary, S; Momose, T; Mullan, P S; Munich, J J; Olchanski, K; Olin, A; Peszka, J; Powell, A; Pusa, P; Rasmussen, C Ø; Robicheaux, F; Sacramento, R L; Sameed, M; Sarid, E; Silveira, D M; So, C; Stutter, G; Tharp, T D; Thompson, R I; van_der_Werf, D P; Wurtele, J S; Shore, G MNature Portfolio2025-02-0110596995Nature Physics212201 to 2071745-2473https://doi.org/10.1038/s41567-024-02712-92409162National Science Foundation