Recent scientific results







High-resolution laser resonances of antiprotonic helium in superfluid 4He
Anna Sótér, Hossein Aghai-Khozani, Dániel Barna, Andreas Dax, Luca Venturelli & Masaki Hori
Nature 603, 411 (2022)

Measurement of the Principal Quantum Number Distribution in a Beam of Antihydrogen Atoms
B. Kolbinger et al.
Eur. Phys. J. D75 (2021) 91

A hydrogen beam to characterize the ASACUSA antihydrogen hyperfine spectrometer 

C. Malbrunot et al.

Nucl. Instr. and Meth. in Phys. Research  A 935 (2019) 110 
https://doi.org/10.1016/j.nima.2019.04.060

Antiproton beams with low energy spread for antihydrogen production
M. Tajima et al. 
J. of Instrumentation 14 (2019) P05009 
https://doi.org/10.1088/1748-0221/14/05/P05009


The ASACUSA antihydrogen and hydrogen program: results and prospects
C. Malbrunot, et. al., 
Phil. Trans. R. Soc. A 376: 20170273
(https://doi.org/10.1098/rsta.2017.0273)

In-beam measurement of the hydrogen hyperfine splitting - towards antihydrogen spectroscopy
M. Diermaier et al., 
Nature Communications 8, 15749 (2017)
https://www.nature.com/articles/ncomms15749

Buffer-gas cooling of antiprotonic helium to 1.5 to 1.7 K, and antiproton-to-electron mass ratio
M. Hori et al., 
Science 354 (2016)  610
(http://science.sciencemag.org/content/354/6312/610)