String scale unification in an SU(6)xSU(2) GUT
| dc.contributor.author | Rizos, J. | en |
| dc.contributor.author | Tamvakis, K. | en |
| dc.date.accessioned | 2015-11-24T18:34:53Z | |
| dc.date.available | 2015-11-24T18:34:53Z | |
| dc.identifier.issn | 0370-2693 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/17011 | |
| dc.rights | Default Licence | - |
| dc.subject | gauge-coupling unification | en |
| dc.subject | grand unified theories | en |
| dc.subject | standard-like model | en |
| dc.subject | 4-dimensional superstrings | en |
| dc.subject | gravitational couplings | en |
| dc.subject | threshold corrections | en |
| dc.subject | anomaly cancellation | en |
| dc.subject | moduli corrections | en |
| dc.subject | symmetry-breaking | en |
| dc.subject | loop corrections | en |
| dc.title | String scale unification in an SU(6)xSU(2) GUT | en |
| heal.abstract | We construct and analyze an SU(6) X SU(2) GUT. The model is k=1 string embedable in the sense that we employ only chiral representations allowed at the k = 1 level of the associated Kac-Moody Algebra. Both cases SU(6) X SU(2), and SU(6) X SU(2), are realized. The model is characterized by the SU(6) X SU(2) --> SU(4) X SU(2) X SU(2) breaking scale M-x, and the SU(4) X SU(2) X SU(2) --> SU(3)(C) X SU(2)(L) X U(1)(Y) breaking scale M-R. The spectrum bellow M-R includes an extra pair of charge-1/3 colour-triplets of mass M-I less than or equal to M-R that does not couple to matter fields and, possibly, an extra pair of isodoublets. Above M-X the SU(6) and SU(2) gauge couplings always unify at a scale which can be taken to be the string unification scale M-s similar to 5 X 10(17) GeV. The model has Yukawa coupling unification since quarks and leptons obtain their masses from a single Yukawa coupling. Neutrinos obtain acceptably small masses through a see-saw mechanism. Coloured triplets that couple to matter fields are naturally split from the coexisting isodoublets without the need of any numerical fine tuning. (C) 1997 Elsevier Science B.V. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://000071063500007 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0370269397011817/1-s2.0-S0370269397011817-main.pdf?_tid=141b15451f73af3430da9f463d17deec&acdnat=1334232221_f5b6613dd0c4425e5297ab0a2085c78c | - |
| heal.journalName | Physics Letters B | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1997 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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