Background-free observation of cold antihydrogen with field-ionization analysis 
of its states

Gabrielse, G.; Bowden, N. S.; Oxley, P.; Speck, A.; Storry, C. H.; Tan, J. N.; Wessels, M.; Grzonka, D.; Oelert, W.; Schepers, G.; Sefzick, T.; Walz, J.; Pittner, H.; Hänsch, T. W.; Hessels, E. A.

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Background-free observation of cold antihydrogen with field-ionization analysis of its states

Gabrielse, G., Bowden, N. S., Oxley, P., Speck, A., Storry, C. H., Tan, J. N., et al. (2002). Background-free observation of cold antihydrogen with field-ionization analysis of its states. Physical Review Letters, 89(21): 213401. 213401. Retrieved from http://link.aps.org/abstract/PRL/v89/e213401.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-C1A5-0 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-76ED-D

Genre: Journal Article

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Creators:
Gabrielse, G., Author
Bowden, N. S., Author
Oxley, P., Author
Speck, A., Author
Storry, C. H., Author
Tan, J. N., Author
Wessels, M., Author
Grzonka, D., Author
Oelert, W., Author
Schepers, G., Author
Sefzick, T., Author
Walz, J., Author
Pittner, H.¹, Author
Hänsch, T. W.¹, Author
Hessels, E. A., Author

Affiliations:
1Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445568

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Abstract: A background-free observation of cold antihydrogen atoms is made using field ionization followed by antiproton storage, a detection method that provides the first experimental information about antihydrogen atomic states. More antihydrogen atoms can be field ionized in an hour than all the antimatter atoms that have been previously reported, and the production rate per incident high energy antiproton is higher than ever observed. The high rate and the high Rydberg states suggest that the antihydrogen is formed via three-body recombination.

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Language(s): eng - English

Dates: Date issued: 2002-11-18

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 27742
ISI: 000179068000014
URI: http://link.aps.org/abstract/PRL/v89/e213401

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Title: Physical Review Letters

Alternative Title : Phys. Rev. Lett.

Source Genre: Journal

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Pages: - Volume / Issue: 89 (21) Sequence Number: 213401 Start / End Page: - 213401 Identifier: ISSN: 0031-9007