Spectroscopy of antiprotonic helium atoms and its contribution to the fundamental physical constants
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- HAYANO Ryugo S.
- Department of Physics, The University of Tokyo
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Description
Antiprotonic helium atom, a metastable neutral system consisting of an antiproton, an electron and a helium nucleus, was serendipitously discovered, and has been studied at CERN’s antiproton decelerator facility. Its transition frequencies have recently been measured to nine digits of precision by laser spectroscopy. By comparing these experimental results with three-body QED calculations, the antiproton-to-electron massratio was determined as 1836.152674(5). This result contributed to the CODATA recommended values of the fundamental physical constants.<br><br>(Communicated by Toshimitsu YAMAZAKI, M.J.A.)
Journal
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- Proceedings of the Japan Academy, Series B
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Proceedings of the Japan Academy, Series B 86 (1), 1-10, 2010
The Japan Academy
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Details 詳細情報について
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- CRID
- 1390001204145635200
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- NII Article ID
- 130000149630
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- NII Book ID
- AA00785485
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- ISSN
- 13492896
- 03862208
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- NDL BIB ID
- 10547374
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed