| Accueil > Two-photon helicity selection rules and widths for positronium and quarkonium states with arbitrary angular momentum |
| Article | |
| Report number | ORNL-CCIP-91-29 ; RAL-91-074 ; UTK-91-11 |
| Title | Two-photon helicity selection rules and widths for positronium and quarkonium states with arbitrary angular momentum |
| Author(s) | Ackleh, E S ; Barnes, T ; Close, Francis Edwin |
| Publication | 1992 |
| Imprint | Dec 1991 |
| Number of pages | 11 |
| In: | Phys. Rev. D 46, 5 (1992) pp.2257-2260 |
| Subject category | Particle Physics - Phenomenology |