The Feynman-Schwinger (World Line) Representation in Perturbative QCD
Journal Article
·
OSTI ID:790068
The proper time path integral representation is derived explicitly for an arbitrary $$n$$-point amplitude in QCD. In the standard perturbation theory the formalism allows to sum up the leading subseries, e.g. yielding double-logarithm Sudakov asymptotics for form factors. Correspondence with the standard perturbation theory is established and connection to the Bern-Kosower-Strassler method is illustrated.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 790068
- Report Number(s):
- JLAB-THY-02-03; DOE/ER/40150-1976; hep-ph/0201005
- Country of Publication:
- United States
- Language:
- English
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