The KM phase in semi-realistic heterotic orbifold models

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In string-inspired semi-realistic heterotic orbifolds models with an anomalous U(1){sub X},a nonzero Kobayashi-Masakawa (KM) phase is shown to arise generically from the expectation values of complex scalar fields, which appear in nonrenormalizable quark mass couplings. Modular covariant nonrenormalizable superpotential couplings are constructed. A toy Z{sub 3} orbifold model is analyzed in some detail. Modular symmetries and orbifold selection rules are taken into account and do not lead to a cancellation of the KM phase. We also discuss attempts to obtain the KM phase solely from renormalizable interactions.

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42

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Giedt, Joel July 5, 2000.

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In string-inspired semi-realistic heterotic orbifolds models with an anomalous U(1){sub X},a nonzero Kobayashi-Masakawa (KM) phase is shown to arise generically from the expectation values of complex scalar fields, which appear in nonrenormalizable quark mass couplings. Modular covariant nonrenormalizable superpotential couplings are constructed. A toy Z{sub 3} orbifold model is analyzed in some detail. Modular symmetries and orbifold selection rules are taken into account and do not lead to a cancellation of the KM phase. We also discuss attempts to obtain the KM phase solely from renormalizable interactions.

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42

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  • Journal Name: Nuclear Physics B; Journal Volume: 595; Journal Issue: 1-2; Related Information: Journal Publication Date: 02/12/2001

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  • Report No.: LBNL--46292
  • Grant Number: DE-AC02-05CH11231
  • Grant Number: NSF:PHY-95-14797
  • Office of Scientific & Technical Information Report Number: 860287
  • Archival Resource Key: ark:/67531/metadc783001

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Office of Scientific & Technical Information Technical Reports

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  • July 5, 2000

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 1, 2016, 7:39 p.m.

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Giedt, Joel. The KM phase in semi-realistic heterotic orbifold models, article, July 5, 2000; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc783001/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.