| Acronym | Meaning |
| RIXS | Resonant Inelastic X-ray Scattering |
| FOURPI | Fourier Path Integral |
| TFA | Target Factor Analysis |
| SSPM | Scanning Surface Potential Microscopy |
| HSDB | Hazardous Substances Data Bank (NLM) |
| EOM-CC | Equation Of Motion-coupled Cluster |
| PWTF | Plane-wave Translation Factors (in Atom-ion Inelastic Collisions) |
| IID | Ion Impact Desorption |
| CFP | Coefficient Of Fractional Parentage (method In Quantum Calcns.) |
| RALLS | Right-angle Laser Light Scattering |