Effect of hadron dynamics on the proton lifetime

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A detailed, quantitative re-examination of the effect of hadron dynamics on baryon decay, modeled in terms of Skyrme-field tunneling, indicates that any hadronic suppression should be quite mild. This appears to be another illustration of the 'Cheshire-cat' phenomenon, that variation of the apportionment between description of the nucleon as a bag of quarks and description as a Skyrme field configuration has little influence on many nucleon properties. Perhaps the largest remaining uncertainty in evaluating the decay rate has to do with the overlap between a specified quark-antiquark configuration and a final meson state.

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Silbar, R. R.; Goldhaber, A. S. (Alfred S.) & Goldman, T. (Terry) January 1, 2002.

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Description

A detailed, quantitative re-examination of the effect of hadron dynamics on baryon decay, modeled in terms of Skyrme-field tunneling, indicates that any hadronic suppression should be quite mild. This appears to be another illustration of the 'Cheshire-cat' phenomenon, that variation of the apportionment between description of the nucleon as a bag of quarks and description as a Skyrme field configuration has little influence on many nucleon properties. Perhaps the largest remaining uncertainty in evaluating the decay rate has to do with the overlap between a specified quark-antiquark configuration and a final meson state.

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  • Submitted to: DNP Fall Meeting, East Lansing, MI, OCt. 9-12, 2002

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  • Report No.: LA-UR-02-5842
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976347
  • Archival Resource Key: ark:/67531/metadc932111

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 11:18 p.m.

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Silbar, R. R.; Goldhaber, A. S. (Alfred S.) & Goldman, T. (Terry). Effect of hadron dynamics on the proton lifetime, article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc932111/: accessed July 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.