Finite unification: Theory and predictions

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dc.contributor.author Heinemeyer, S en
dc.contributor.author Mondragon, M en
dc.contributor.author Zoupanos, G en
dc.date.accessioned 2014-03-01T01:33:29Z
dc.date.available 2014-03-01T01:33:29Z
dc.date.issued 2010 en
dc.identifier.issn 1815-0659 en
dc.identifier.uri http://hdl.handle.net/123456789/20446
dc.subject Finiteness en
dc.subject Gauge theories en
dc.subject Reduction of couplings en
dc.subject Unification en
dc.subject.other YANG-MILLS THEORIES en
dc.subject.other QUANTUM-FIELD THEORIES en
dc.subject.other GRAND UNIFIED THEORIES en
dc.subject.other VANISHING BETA-FUNCTIONS en
dc.subject.other INFRARED FIXED-POINTS en
dc.subject.other EVEN HIGGS BOSONS en
dc.subject.other STANDARD MODEL en
dc.subject.other SOFT TERMS en
dc.subject.other COUPLING PARAMETERS en
dc.title Finite unification: Theory and predictions en
heal.type journalArticle en
heal.identifier.primary 10.3842/SIGMA.2010.049 en
heal.identifier.secondary http://dx.doi.org/10.3842/SIGMA.2010.049 en
heal.identifier.secondary 049 en
heal.language English en
heal.publicationDate 2010 en
heal.abstract Abstract. All-loop Finite Unified Theories (FUTs) are very interesting N = 1 supersymmetric Grand Unified Theories (GUTs) which not only realise an old field theoretic dream but also have a remarkable predictive power due to the required reduction of couplings. The reduction of the dimensionless couplings in N = 1 GUTs is achieved by searching for renormalization group invariant (RGI) relations among them holding beyond the unification scale. Finiteness results from the fact that there exist RGI relations among dimensionless couplings that guarantee the vanishing of all beta-functions in certain N = 1 GUTs even to all orders. Furthermore developments in the soft supersymmetry breaking sector of N = 1 GUTs and FUTs lead to exact RGI relations, i.e. reduction of couplings, in this dimensionful sector of the theory too. Based on the above theoretical framework phenomenologically consistent FUTS have been constructed. Here we present FUT models based on the SU(5) and SU(3)3 gauge groups and their predictions. Of particular interest is the Higgs mass prediction of one of the models which is expected to be tested at the LHC. en
heal.journalName Symmetry, Integrability and Geometry: Methods and Applications (SIGMA) en
dc.identifier.doi 10.3842/SIGMA.2010.049 en
dc.identifier.isi ISI:000279673500002 en
dc.identifier.volume 6 en

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