A D-brane inspired U(3)(C) x U(3)(L) x U(3)(R) model
| dc.contributor.author | Leontaris, G. K. | en |
| dc.contributor.author | Rizos, J. | en |
| dc.date.accessioned | 2015-11-24T18:33:46Z | |
| dc.date.available | 2015-11-24T18:33:46Z | |
| dc.identifier.issn | 0370-2693 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16802 | |
| dc.rights | Default Licence | - |
| dc.subject | anomalous u(1)s | en |
| dc.subject | standard model | en |
| dc.subject | string vacua | en |
| dc.subject | trinification | en |
| dc.subject | gauge | en |
| dc.subject | supersymmetry | en |
| dc.subject | unification | en |
| dc.subject | dualities | en |
| dc.subject | masses | en |
| dc.subject | moduli | en |
| dc.title | A D-brane inspired U(3)(C) x U(3)(L) x U(3)(R) model | en |
| heal.abstract | Motivated by D-brane scenarios, we consider a non-supersymmetric model based on the gauge symmetry U (3) C x U (3) L x U (3) R which is equivalent to the SU(3)(3) "trinification" model supplemented by three U(1)'s. Two U(1) combinations are anomalous while the third U(1)Z' is in the case of full gauge anomaly free and contributes to the hypercharge generator. This hypercharge embedding corresponds to sin(2) theta(W) = 6/19 coupling unification. The U(3)3 symmetry is broken down to the Standard Model by vevs of two (1, 3, (3) over bar)-scalar multiplets supplemented by two Higgs fields in (1, 3, 1) and (1, 1, 3) representations. The latter break U(1)Z' and provide heavy masses to the extra lepton doublets. Fermions belong to (3, (3) over bar, 1) + ((3) over bar, 1, 3) + (1, 3, (3) over bar) representations as in the trinification model. The model predicts a natural quark-lepton hierarchy, since quark masses are obtained from tree-level couplings, while charged leptons receive masses from fourth order Yukawa terms, as a consequence of the extra Abelian symmetries. Light Majorana neutrino masses are obtained through a see-saw type mechanism operative at the SU(3) R breaking scale of the order M-R >= 10(9) GeV. (c) 2005 Elsevier B.V. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://000234786400019 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0370269305016990/1-s2.0-S0370269305016990-main.pdf?_tid=e92b72c955a890aee24e2d5bf2667653&acdnat=1334230835_0288d5cb953c41b86810d5bc59d3a23e | - |
| heal.journalName | Physics Letters B | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2006 | - |
| 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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