Toward a new test of the relativistic time dilation factor by laserspectroscopy of fast ions in a storage ring
Hyperfine interactions. Bd. 146. H. 1-4. Dordrecht: Kluwer 2003 S. 71 - 75
Erscheinungsjahr: 2003
ISBN/ISSN: 0304-3843
Publikationstyp: Zeitschriftenaufsatz
Sprache: Englisch
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Inhaltszusammenfassung
The frequency measurement of Doppler-shifted optical lines of ions circulating in a storage ring at high speed permits a sensitive test of the relativistic Doppler-formula and, hence, the time dilation factor gamma(SR) of special relativity. Previous measurements at the storage ring TSR with Li-7( ) at v = 0.065c gave a new, improved limit, but were hampered by the large observed linewidth, exceeding the natural width 15-fold. Recently we have identified the broadening to be caused by ...The frequency measurement of Doppler-shifted optical lines of ions circulating in a storage ring at high speed permits a sensitive test of the relativistic Doppler-formula and, hence, the time dilation factor gamma(SR) of special relativity. Previous measurements at the storage ring TSR with Li-7( ) at v = 0.065c gave a new, improved limit, but were hampered by the large observed linewidth, exceeding the natural width 15-fold. Recently we have identified the broadening to be caused by velocity-changing processes in the storage ring. Saturation spectroscopy has proven to be largely immune against these effects and has yielded linewidths only a few MHz larger than the natural one. This is the major ingredient for an improved test of gamma(SR), which is now under way. » weiterlesen» einklappen
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DDC Sachgruppe:
Physik
