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Effects of intermediate scales on renormalization group running of fermion observables in an SO(10) model
KTH, Skolan för teknikvetenskap (SCI), Teoretisk fysik, Teoretisk partikelfysik.ORCID-id: 0000-0002-3525-8349
KTH, Skolan för teknikvetenskap (SCI), Teoretisk fysik, Teoretisk partikelfysik.
2014 (engelsk)Inngår i: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, nr 12, s. 052-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In the context of non-supersymmetric SO(10) models, we analyze the renormalization group equations for the fermions (including neutrinos) from the GUT energy scale down to the electroweak energy scale, explicitly taking into account the effects of an intermediate energy scale induced by a Pati-Salam gauge group. To determine the renormalization group running, we use a numerical minimization procedure based on a nested sampling algorithm that randomly generates the values of 19 model parameters at the GUT scale, evolves them, and finally constructs the values of the physical observables and compares them to the existing experimental data at the electroweak scale. We show that the evolved fermion masses and mixings present sizable deviations from the values obtained without including the effects of the intermediate scale.

sted, utgiver, år, opplag, sider
2014. nr 12, s. 052-
Emneord [en]
GUT, Beyond Standard Model
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-160409DOI: 10.1007/JHEP12(2014)052ISI: 000348146400006Scopus ID: 2-s2.0-84918517427OAI: oai:DiVA.org:kth-160409DiVA, id: diva2:790356
Forskningsfinansiär
Swedish Research Council, 621-2011-3985
Merknad

QC 20150224

Tilgjengelig fra: 2015-02-24 Laget: 2015-02-19 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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