Measuring the antihydrogen Lamb shift with a relativistic antihydrogen beam
- University of California at Irvine, Irvine, California 92717 (United States)
- Fermilab, Batavia, Illinois 60510 (United States)
- Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309 (United States)
We propose an experiment to measure the Lamb shift and fine structure (the intervals 2s{sub 1/2}{minus}2p{sub 1/2} and 2p{sub 1/2}{minus}2p{sub 3/2}) in antihydrogen. A sample of 10000 antihydrogen atoms at a momentum of 8.85GeV/c suffices to measure the Lamb shift to 5{percent} and the fine structure to 1{percent}. 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. {copyright} {ital 1998} {ital The American Physical Society}
- OSTI ID:
- 604459
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 11 Vol. 57; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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