Corrections to the Born–Oppenheimer approximation as applied to a system made up of hydrogen and antihydrogen
✍ Scribed by E. A. G. Armour; V. Zeman
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 163 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0020-7608
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✦ Synopsis
Interest in antihydrogen AH is increasing as it seems likely that it will soon be possible to observe it in its rest frame. The simplest atom with which antihydrogen atoms can interact is atomic hydrogen. We recently obtained an upper bound of 0.8 a for 0 the critical value of the distance between the proton and the antiproton below which the electron and positron cease to be bound to the nuclei. In this calculation, the nuclei were assumed to be fixed. In this article, we examine the effect on the energy of the electron and the positron of taking into account the motion of the nuclei. The corrections are found to be small.