The singlet axial form factor of the proton for small momentum transfers is analyzed by using QCD sum rules and an interpolating nucleon current, which explicitly allows for the gluonic degrees of freedom. As a result, the singlet axial constant is predicted quantitatively.
|Original language||English (US)|
|Number of pages||10|
|Journal||Physics of Atomic Nuclei|
|State||Published - Mar 1997|
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics