Nonresonant effects in one- and two-photon transitions
- 1 June 2002
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 80 (6), 633-644
- https://doi.org/10.1139/p02-019
Abstract
We investigate nonresonant contributions to resonant Rayleigh-scattering cross sections of atoms. The problematic nonresonant contributions set a limit to the accuracy to which atomic spectra determine energy levels. We discuss the off-resonance effects in one-photon transitions. We also show that off-resonance contributions for the 1S–2S two-photon transition in atomic hydrogen are negligible at current and projected levels of experimental accuracy. The possibility of a differential measurement for the detection of off-resonance effects in one-photon transitions in atomic hydrogen is discussed. PACS Nos.: 31.15-p, 12.20DsKeywords
Other Versions
This publication has 19 references indexed in Scilit:
- Electron self-energy for theKandLshells at low nuclear chargePhysical Review A, 2001
- Loop-after-loop contribution to the second-order Lamb shift in hydrogenlike low-atomsPhysical Review A, 2000
- Measurement of the Hydrogen-Transition Frequency by Phase Coherent Comparison with a Microwave Cesium Fountain ClockPhysical Review Letters, 2000
- CODATA recommended values of the fundamental physical constants: 1998Reviews of Modern Physics, 2000
- Three-Loop Slope of the Dirac Form Factor and theLamb Shift in HydrogenPhysical Review Letters, 2000
- Calculation of the Electron Self-Energy for Low Nuclear ChargePhysical Review Letters, 1999
- Importance of the non-resonant corrections for the modern Lamb shift measurements in the multicharged hydrogen-like ionsJournal of Physics B: Atomic, Molecular and Optical Physics, 1994
- Overlap of the line profiles in the spectra of the heliumlike uraniumPhysica Scripta, 1992
- Natural Line ShapePhysical Review B, 1952
- Über die Streuung von Strahlung durch AtomeZeitschrift für Physik, 1925