QCD sum rules and Compton scattering
Journal Article
·
· Nuclear Physics. B
The authors extend QCD sum rule analysis to moderate energy fixed angle Compton scattering. In this kinematic region there is a strong similarity to the sum rule treatment of electromagnetic form factors, although the four-point amplitude requires a modification of the Borel transform. To illustrate their method, they derive the sum rules for helicity amplitudes in pion Compton scattering and estimate their large-t behavior in the local duality approximation.
- 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:
- 756830
- Report Number(s):
- DOE/ER/40150-1638; CEBAF-TH-92-32; ITP-SB-92-70; hep-ph/9301274
- Journal Information:
- Nuclear Physics. B, Journal Name: Nuclear Physics. B Journal Issue: 1 Vol. 410; ISSN 0550-3213
- Country of Publication:
- United States
- Language:
- English
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