Driven production of cold antihydrogen and the first measured distribution of antihydrogen states
20024 pages
Published in:
- Phys.Rev.Lett. 89 (2002) 233401
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Abstract: (APS)
Cold antihydrogen is produced when antiprotons are repeatedly driven into collisions with cold positrons within a nested Penning trap. Efficient antihydrogen production takes place during many cycles of positron cooling of antiprotons. A first measurement of a distribution of antihydrogen states is made using a preionizing electric field between separated production and detection regions. Surviving antihydrogen is stripped in an ionization well that captures and stores the freed antiproton for background-free detection.- antihydrogen: production
- anti-p: confinement
- positron: confinement
- antihydrogen: yield
- electric field: ionization
- anti-p p: annihilation
- experimental results
- CERN Lab
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