Phys. Rev. D 57, 6649–6655 (1998)Measuring the antihydrogen Lamb shift with a relativistic antihydrogen beamReceived 18 December 1997; published in the issue dated 1 June 1998 We propose an experiment to measure the Lamb shift and fine structure (the intervals 2s1/2-2p1/2 and 2p1/2-2p3/2) in antihydrogen. A sample of 10 000 antihydrogen atoms at a momentum of 8.85 GeV/c suffices to measure the Lamb shift to 5% and the fine structure to 1%. Atomic collisions excite antihydrogen atoms to states with n=2; field ionization in a Lorentz-transformed laboratory magnetic field then prepares a particular n=2 state, and is used again to analyze that state after it is allowed to oscillate in a region of zero field. This experiment is feasible at Fermilab. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.57.6649
DOI:
10.1103/PhysRevD.57.6649
PACS:
11.30.Er, 25.43.+t, 36.10.-k
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