6533b7d1fe1ef96bd125c098
RESEARCH PRODUCT
Measurement of the transverse Doppler shift using a stored relativistic7Li+ ion beam
R. GrieserR. KleinI. KlaftS. SchröderDietrich HabsG. HuberP. MerzManfred GrieserT. KuhlD. SchwalmL. HoogW. Petrichsubject
PhysicsNuclear and High Energy PhysicsDye laserSecondary frequency standardIon beambusiness.industryLaserElectromagnetic radiationlaw.inventionsymbols.namesakeOpticslawsymbolsPhysics::Atomic PhysicsAtomic physicsbusinessDoppler effectStorage ringElectron coolingdescription
We have performed for the first time precision spectroscopy on a coasting fast7Li+ ion beam in a storage ring. The ion beam moving with 6.4% speed of light was first electron cooled and then merged with two counterpropagating laser beams acting on two different hyperfine transitions sharing a common upper level (λ-system). One laser was frequency locked to thea 3 127J2 hfs frequency component established as a secondary frequency standard at 514 nm. The second laser was tuned over theλ-resonance, which was recorded relative to127J2 hfs components. This experiment is sensitive to the time dilation in fast moving frames and will lead to new limits for the verification of special relatively. The present status of the experiment and perspectives in accuracy are discussed.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1992-12-01 | Zeitschrift f�r Physik A Hadrons and Nuclei |