QCD sum rules and Campton scattering

Claudio Corianò; Anatoly Radyushkin; George Sterman

doi:10.1016/0550-3213(93)90556-5

QCD sum rules and Campton scattering

Claudio Corianò
, Anatoly Radyushkin
, George Sterman

Stony Brook University
Stockholm University
Old Dominion University
Thomas Jefferson National Accelerator Facility

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We 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 our method, we derive the sum rules for helicity amplitudes in pion Compton scattering and estimate their large-t behavior in the local duality approximation.

Original language	English
Pages (from-to)	481-506
Number of pages	26
Journal	Nuclear Physics, Section B
Volume	405
Issue number	2-3
DOIs	https://doi.org/10.1016/0550-3213(93)90556-5
State	Published - Sep 20 1993

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10.1016/0550-3213(93)90556-5

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title = "QCD sum rules and Campton scattering",

abstract = "We 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 our method, we derive the sum rules for helicity amplitudes in pion Compton scattering and estimate their large-t behavior in the local duality approximation.",

author = "Claudio Corian{\`o} and Anatoly Radyushkin and George Sterman",

year = "1993",

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T1 - QCD sum rules and Campton scattering

AU - Corianò, Claudio

AU - Radyushkin, Anatoly

AU - Sterman, George

PY - 1993/9/20

Y1 - 1993/9/20

N2 - We 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 our method, we derive the sum rules for helicity amplitudes in pion Compton scattering and estimate their large-t behavior in the local duality approximation.

AB - We 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 our method, we derive the sum rules for helicity amplitudes in pion Compton scattering and estimate their large-t behavior in the local duality approximation.

UR - https://www.scopus.com/pages/publications/0001031129

U2 - 10.1016/0550-3213(93)90556-5

DO - 10.1016/0550-3213(93)90556-5

M3 - Article

AN - SCOPUS:0001031129

SN - 0550-3213

VL - 405

SP - 481

EP - 506

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

IS - 2-3

ER -

QCD sum rules and Campton scattering

Abstract

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