Abstract
We show that the anisotropy of the recoil velocity distribution of x-ray-ionized atoms or molecules leads to observable splittings in subsequent optical fluorescence or absorption when the polarization vector of the x rays is parallel to the momentum of the fluorescent photons. The order of the magnitude of the recoil-induced splitting is about 10 μeV, which can be observed using Fourier or laser-absorption spectroscopic techniques.
| Original language | English |
|---|---|
| Article number | 035401 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 81 |
| Issue number | 3 |
| DOIs | |
| State | Published - 22 Mar 2010 |
| Externally published | Yes |
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