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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Leontaris, G. K. | en |
| dc.date.accessioned | 2015-11-24T18:33:35Z | - |
| dc.date.available | 2015-11-24T18:33:35Z | - |
| dc.identifier.issn | 0370-2693 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16758 | - |
| dc.rights | Default Licence | - |
| dc.subject | 4-dimensional superstrings | en |
| dc.subject | threshold corrections | en |
| dc.subject | modular invariance | en |
| dc.subject | gravitational couplings | en |
| dc.subject | degenerate orbifolds | en |
| dc.subject | anomaly cancellation | en |
| dc.subject | fractional charges | en |
| dc.subject | grand unification | en |
| dc.subject | yukawa couplings | en |
| dc.subject | flipped su(5) | en |
| dc.title | A string model with SU(4)xO(4)x[Sp(4)](hidden) gauge symmetry | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.secondary | <Go to ISI>://A1996UF99700006 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/0370269396000597/1-s2.0-0370269396000597-main.pdf?_tid=6ea908bdd406f7e6ab72398f2ae7ffd2&acdnat=1334224067_dd146d5d8120951d68654f16d1a7e6dd | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.publicationDate | 1996 | - |
| heal.abstract | In the four dimensional free fermionic formulation of the heterotic string, a semi-realistic SU(4) x SU(2)(L) x SU(2)(R) model is proposed with three fermion generations in (4,2,1) + ((4) over bar,1,2) representations. The gauge symmetry of the model breaks to the standard gauge group using a Higgs pair in the (4,1,2) + ((4) over bar,1,2) representations. The massless spectrum includes exotic fractionally charged states with non-trivial transformation properties under part (Sp(4)) of the non-abelian 'hidden' symmetry. Finally there is a mirror pair in (4,2,1),((4) over bar,2,1) allowing the possibility for an identical running of g(4,L,R) couplings between the string and SU(4) breaking scales. This is of crucial importance for a successful prediction of the weak mixing angle. Potential shortcomings and problems of the construction are analysed and possible solutions are discussed. | en |
| heal.journalName | Physics Letters B | en |
| heal.journalType | peer reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Leontaris-1996-A string model with.pdf | 776.47 kB | Adobe PDF | View/Open |
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