Once More on the Applicability of Perturbative QCD to Elastic Form Factors

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Description

The long-standing problem of the applicability of perturbative QCD to hadronic elastic form factors is discussed. The basic ingredients both of the asymptotic large-Q<sup>2</sup> treatment and of the QCD sum rule approach are analyzed. The main conclusion is that for accessible energies and momentum transfers the soft (nonperturbative) contributions dominate over those due to the hard quark rescattering subprocesses.

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page(s) 549

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Radyushkin, Anatoly June 1, 1992.

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Description

The long-standing problem of the applicability of perturbative QCD to hadronic elastic form factors is discussed. The basic ingredients both of the asymptotic large-Q<sup>2</sup> treatment and of the QCD sum rule approach are analyzed. The main conclusion is that for accessible energies and momentum transfers the soft (nonperturbative) contributions dominate over those due to the hard quark rescattering subprocesses.

Physical Description

page(s) 549

Source

  • Related Information: Adv.Ser.Direct.High Energy Phys; Vol: 10

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  • Report No.: CEBAF-TH-92-18
  • Grant Number: AC05-84ER40150
  • DOI: 10.2172/954330 | External Link
  • Office of Scientific & Technical Information Report Number: 954330
  • Archival Resource Key: ark:/67531/metadc930585

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 1, 1992

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 8, 2016, 8:51 p.m.

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Radyushkin, Anatoly. Once More on the Applicability of Perturbative QCD to Elastic Form Factors, report, June 1, 1992; [Newport News, Virginia]. (digital.library.unt.edu/ark:/67531/metadc930585/: accessed November 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.