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dc.contributor.authorChristodoulides, K.en
dc.contributor.authorFaraggi, A. E.en
dc.contributor.authorRizos, J.en
dc.date.accessioned2015-11-24T18:27:16Z-
dc.date.available2015-11-24T18:27:16Z-
dc.identifier.issn0370-2693-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/16006-
dc.rightsDefault Licence-
dc.subjectphenomenological heterotic string modelsen
dc.subjectpati-salamen
dc.subjectstandard-like modelen
dc.subjectstable superstring relicsen
dc.subjectorbifold modelsen
dc.subjectclassificationen
dc.subjectformulationen
dc.subjectsymmetryen
dc.subjectchargesen
dc.subjecttermsen
dc.subjectcompactificationsen
dc.subjectconstructionen
dc.titleTop quark mass in exophobic Pati-Salam heterotic string modelen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1016/j.physletb.2011.06.051-
heal.identifier.secondary<Go to ISI>://000294142600015-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0370269311007064/1-s2.0-S0370269311007064-main.pdf?_tid=9b7708ec988affc16992ba3cc3d9e6a9&acdnat=1334230724_a67144eb447676c9f218a85ab18c5a1a-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate2011-
heal.abstractWe analyse the phenomenology of an exemplary exophobic Pati-Salam heterotic string vacuum, in which no exotic fractionally charged states exist in the massless string spectrum. Our model also contains the Higgs representations that are needed to break the gauge symmetry to that of the Standard Model and to generate fermion masses at the electroweak scale. We show that the requirement of a leading mass term for the heavy generation, which is not degenerate with the mass terms of the lighter generations. places an additional strong constraint on the viability of the models. In many models a top quark Yukawa may not exist at all, whereas in others two or more generations may obtain a mass term at leading order. In our exemplary model a mass term at leading order exist only for one family. Additionally, we demonstrate the existence of supersymmetric F-and D-flat directions that give heavy mass to all the colour triplets beyond those of the Standard Model and leave one pair of electroweak Higgs doublets light. Hence, below the Pati-Salam breaking scale, the matter states in our model that are charged under the observable gauge symmetries, consist solely of those of the Minimal Supersymmetric Standard Model. (C) 2011 Elsevier B.V. All rights reserved.en
heal.journalNamePhysics Letters Ben
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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