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Journal Article

Driven production of cold antihydrogen and the first measured distribution of antihydrogen states

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons60761

Pittner,  H.
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons60535

Hänsch,  T. W.
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

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Citation

Gabrielse, G., Bowden, N. S., Oxley, P., Speck, A., Storry, C. H., Tan, J. N., et al. (2002). Driven production of cold antihydrogen and the first measured distribution of antihydrogen states. Physical Review Letters, 89(23): 233401. 233401. Retrieved from http://link.aps.org/abstract/PRL/v89/e233401.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-C18B-E
Abstract
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.