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physics.atom-ph2013★ 410 cited
Two-photon laser spectroscopy of antiprotonic helium and the antiproton-to-electron mass ratio
Masaki Hori, Anna Sótér, Daniel Barna +9
Physical laws are believed to be invariant under the combined transformations of charge, parity and time reversal (CPT symmetry). This implies that an antimatter particle has exact…
physics.atom-ph2009
Collision Induced Relaxations within the Antiprotonic Helium Hyperfine Structure
T. Pask, D. Barna, A. Dax +10
We report the first measurements of the inelastic spin exchange collision rate between the Hyperfine (HF) levels of antiprotonic helium. We measure the time dependent evolution of…
physics.atom-ph2009
Antiproton magnetic moment determined from the HFS of antiprotonic helium
T. Pask, D. Barna, A. Dax +9
We report a determination of the antiproton magnetic moment, measured in a three-body system, independent of previous experiments. We present results from a systematic study of the…