Abstract
We propose a short summary of the present situation concerning the proton spin decomposition. We briefly discuss some of the main controversies about the issues of gauge invariance, uniqueness and measurability. As a conclusion, we argue that part of the controversies is actually undecidable.
| Original language | English |
|---|---|
| Pages (from-to) | 15-18 |
| Number of pages | 4 |
| Journal | Nuovo Cimento della Societa Italiana di Fisica C |
| Volume | 36 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1 Jan 2013 |
| Externally published | Yes |