Flux tube zero-point motion, hadronic charge radii, and hybrid meson production cross sections

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Flux tube zero-point motion produces quark displacements transverse to the flux tube which make significant contributions to hadronic charge radii. In heavy quark systems, these contributions can be related by Bjorken's sum rule to the rates for semileptonic decay to hybrid mesons. This connection can be generalized to other leptoproduction processes, where transverse contributions to elastic form factor slopes are related to the cross sections for the production of the associated hybrid states. The author identifies the flux tube overlap integral responsible for these effects as the strong QCD analogue of the Sudakov form factor of perturbative QCD.

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413 KILOBYTES pages

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Isgur, N. April 1, 1999.

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Flux tube zero-point motion produces quark displacements transverse to the flux tube which make significant contributions to hadronic charge radii. In heavy quark systems, these contributions can be related by Bjorken's sum rule to the rates for semileptonic decay to hybrid mesons. This connection can be generalized to other leptoproduction processes, where transverse contributions to elastic form factor slopes are related to the cross sections for the production of the associated hybrid states. The author identifies the flux tube overlap integral responsible for these effects as the strong QCD analogue of the Sudakov form factor of perturbative QCD.

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413 KILOBYTES pages

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  • Other Information: No journal information given for this preprint; PBD: 1 Apr 1999

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  • Report No.: DOE/ER/40150-1300
  • Report No.: JLAB-THY-99-09
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 753345
  • Archival Resource Key: ark:/67531/metadc709602

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  • April 1, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:08 p.m.

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Isgur, N. Flux tube zero-point motion, hadronic charge radii, and hybrid meson production cross sections, article, April 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc709602/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.