Strange hadronic loops of the proton: A quark model calculation

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Nontrivial q{anti q} sea effects have their origin in the low-Q{sup 2} dynamics of strong QCD. The authors present here a quark model calculation of the contribution of s{anti s} pairs arising from a complete set of OZI-allowed strong Y{sup *}K{sup *} hadronic loops to the net spin of the proton, to its charge radius, and to its magnetic moment. The calculation is performed in an ``unquenched quark model'' which has been shown to preserve the spectroscopic successes of the naive quark model and to respect the OZI rule. They speculate that an extension of the calculation to the nonstrange ... continued below

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288 Kilobytes pages

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Geiger, Paul & Isgur, Nathan October 1, 1996.

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Nontrivial q{anti q} sea effects have their origin in the low-Q{sup 2} dynamics of strong QCD. The authors present here a quark model calculation of the contribution of s{anti s} pairs arising from a complete set of OZI-allowed strong Y{sup *}K{sup *} hadronic loops to the net spin of the proton, to its charge radius, and to its magnetic moment. The calculation is performed in an ``unquenched quark model'' which has been shown to preserve the spectroscopic successes of the naive quark model and to respect the OZI rule. They speculate that an extension of the calculation to the nonstrange sea will show that most of the ``missing spin'' of the proton is in orbital angular momenta.

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288 Kilobytes pages

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  • Journal Name: Phys.Rev. D55 (1997) 299-310; Other Information: Submitted to Phys.Rev. D55 (1997) 299-310

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  • Report No.: DOE/ER/40150-1615
  • Report No.: CEBAF-TH-96-08
  • Report No.: hep-ph/9610445
  • Report No.: CMU-HEP9435
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 756729
  • Archival Resource Key: ark:/67531/metadc710837

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  • October 1, 1996

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:58 p.m.

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Geiger, Paul & Isgur, Nathan. Strange hadronic loops of the proton: A quark model calculation, article, October 1, 1996; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc710837/: accessed August 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.