QCD sum rules and Compton scattering

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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.

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229 Kilobytes pages

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Coriano, Claudio; Radyushkin, Anatoly & Sternman, George January 1, 1993.

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Description

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.

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229 Kilobytes pages

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  • Journal Name: Nucl.Phys. B405 (1993) 481-506; Other Information: Submitted to Nucl.Phys. B405 (1993) 481-506

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  • Report No.: DOE/ER/40150-1638
  • Report No.: CEBAF-TH-92-32
  • Report No.: ITP-SB-92-70
  • Report No.: hep-ph/9301274
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 756830
  • Archival Resource Key: ark:/67531/metadc702812

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 1993

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 9:39 p.m.

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Coriano, Claudio; Radyushkin, Anatoly & Sternman, George. QCD sum rules and Compton scattering, article, January 1, 1993; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc702812/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.