A minimal non-supersymmetric SO(10) model with Peccei-Quinn symmetry

Boucenna, Sofiane M. (author): KTH,Fysik,AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.

Ohlsson, Tommy, 1973- (author): KTH,Partikel- och astropartikelfysik,AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.;Univ Iceland, Sci Inst, Dunhaga 3, IS-107 Reykjavik, Iceland.

Pernow, Marcus (author): KTH,Fysik,AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.

(creator_code:org_t)

Elsevier, 2019
2019
English.
In: Physics Letters B. - : Elsevier. - 0370-2693 .- 1873-2445. ; 792, s. 251-257

Related links:: https://doi.org/10.1...; show more...; https://doi.org/10.1...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Abstract Subject headings

We present a minimal non-supersymmetric SO(10) GUT breaking directly to the Standard Model gauge group. Precise gauge coupling unification is achieved due to the presence of two color-octet scalars, one of which is accessible to LHC searches. Proton lifetime is predicted to be below 4.5 x 10(34) years, which is within the projected five-year sensitivity of the proposed Hyper-Kamiokande experiment. We find that the Standard Model observables are reproduced to a reasonable accuracy in a numerical fit, which also predicts the unknown neutrino parameters. Finally, the two scalar representations stabilize the electroweak vacuum and the dark matter is comprised of axions.

By the author/editor: Boucenna, Sofian ...; Ohlsson, Tommy, ...; Pernow, Marcus

About the subject

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