Light color octet scalars in the minimal SO(10) grand unification

6533b870fe1ef96bd12cf319

RESEARCH PRODUCT

Light color octet scalars in the minimal SO(10) grand unification

S. Bertolini L. Di Luzio M. Malinsky

subject

High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph)High Energy Physics::Phenomenology FOS: Physical sciences High Energy Physics::Experiment

description

We analyze the relation between the present (and foreseen) bounds on matter stability and the presence of TeV-scale color octet scalar states in nonsupersymmetric SO(10) grand unification with one adjoint Higgs representation triggering the symmetry breaking. This scenario, discarded long ago due to tree-level tachyonic instabilities appearing in all phenomenologically viable breaking patterns, has been recently revived at the quantum level. By including the relevant two-loop corrections we find a tight correlation between the octet mass and the unification scale which either requires a light color octet scalar within the reach of the LHC or, alternatively, a proton lifetime accessible to the forthcoming megaton-scale facilities.

year	journal	country	edition	language
2013-02-14

https://dx.doi.org/10.48550/arxiv.1302.3401

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