Proton Decay and the Planck Scale

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Even without grand unification, proton decay can be a powerful probe of physics at the highest energy scales. Supersymmetric theories with conserved R-parity contain Planck-suppressed dimension 5 operators that give important contributions tonucleon decay. These operators are likely controlled by flavor physics, which means current and near future proton decay experiments might yield clues about the fermion mass spectrum. I present a thorough analysis of nucleon partial lifetimes in supersymmetric one-flavon Froggatt-Nielsen models with a single U(1)_X family symmetry which is responsible for the fermionic mass spectrum as well as forbidding R-parity violating interactions. Many of the models naturally lead ... continued below

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Larson, Daniel T. October 2, 2004.

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Even without grand unification, proton decay can be a powerful probe of physics at the highest energy scales. Supersymmetric theories with conserved R-parity contain Planck-suppressed dimension 5 operators that give important contributions tonucleon decay. These operators are likely controlled by flavor physics, which means current and near future proton decay experiments might yield clues about the fermion mass spectrum. I present a thorough analysis of nucleon partial lifetimes in supersymmetric one-flavon Froggatt-Nielsen models with a single U(1)_X family symmetry which is responsible for the fermionic mass spectrum as well as forbidding R-parity violating interactions. Many of the models naturally lead to nucleon decay near present limits without any reference to grand unification.

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  • 10th International Symposium On Particles, Strings And Cosmology (PASCOS 04 And Pran Nath Fest), Boston, Massachusetts, 16-22 Aug 2004

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  • Report No.: LBNL-56556
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 964271
  • Archival Resource Key: ark:/67531/metadc926834

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  • October 2, 2004

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  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 18, 2016, 4:13 p.m.

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Larson, Daniel T. Proton Decay and the Planck Scale, article, October 2, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc926834/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.