Light-by-light scattering contributions to positronium decay rates - art. no. 032511

Authors
Adkins, GS Fell, RN Sapirstein, J
Citation
Gs. Adkins et al., Light-by-light scattering contributions to positronium decay rates - art. no. 032511, PHYS REV A, 6303(3), 2001, pp. 2511
Citations number
8
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW A
ISSN journal
10502947 → ACNP
Volume
6303
Issue
3
Year of publication
2001
Database
ISI
SICI code
1050-2947(200103)6303:3<2511:LSCTPD>2.0.ZU;2-Z
Abstract
We evaluate the contributions of final-state light-by-light scattering to t he parapositronium and orthopositronium decay rates. Our results are 1.2939 2(4) for parapositronium and 0.350(4) for orthopositronium in units of (alp ha/pi)(2) times the respective lowest-order rates.