Quantum interference measurement of the free fall of anti-hydrogen Olivier Rousselle, Pierre Cladé, Saïda Guellati-Khélifa, Romain Guérout and Serge Reynaud Eur. Phys. J. D, 76 11 (2022) 209 Published online: 05 November 2022 DOI: 10.1140/epjd/s10053-022-00526-z