Unified description of kaon electroweak form factors

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A calculation of the semileptonic decays of the kaon (K{sub l3}) is presented. The results are direct predictions of a covariant model of the pion and kaon introduced earlier by Ito, Buck, Gross. The weak form factors for K{sub l3} are predicted with absolutely no parameter adjustments of the model. The authors obtained for the form factor parameters: f{sub {minus}}(q{sup 2}=m{sub l}{sup 2})/f{sub +}(q{sup 2}=m{sub l}{sup 2})={minus}0.28 and {lambda}{sub +}= 0.028, both within experimental error bars. Connections of this approach to heavy quark symmetry will also be discussed.

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237 Kilobytes pages

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Afanasev, A. & Buck, W. June 1, 1996.

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A calculation of the semileptonic decays of the kaon (K{sub l3}) is presented. The results are direct predictions of a covariant model of the pion and kaon introduced earlier by Ito, Buck, Gross. The weak form factors for K{sub l3} are predicted with absolutely no parameter adjustments of the model. The authors obtained for the form factor parameters: f{sub {minus}}(q{sup 2}=m{sub l}{sup 2})/f{sub +}(q{sup 2}=m{sub l}{sup 2})={minus}0.28 and {lambda}{sub +}= 0.028, both within experimental error bars. Connections of this approach to heavy quark symmetry will also be discussed.

Physical Description

237 Kilobytes pages

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  • Journal Name: Phys.Rev. D55 (1997) 4380-4384; Other Information: Submitted to Phys.Rev. D55 (1997) 4380-4384

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  • Report No.: DOE/ER/40150-1603
  • Report No.: CEBAF-TH-96-12
  • Report No.: hep-ph/9607445
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 756663
  • Archival Resource Key: ark:/67531/metadc710296

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  • June 1, 1996

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 30, 2016, 11:54 a.m.

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Afanasev, A. & Buck, W. Unified description of kaon electroweak form factors, article, June 1, 1996; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc710296/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.