Interpretation of the diphoton excess at CMS and ATLAS
Bhaskar Dutta, Yu Gao, Tathagata Ghosh, Ilia Gogoladze, Tianjun Li
TL;DR
This paper explores a model with new scalars and fermions to explain the 13 TeV LHC diphoton resonance, addressing gauge unification, neutrino masses, and vacuum stability.
Contribution
It presents a consistent model derived from orbifold GUTs and string theories that explains the diphoton excess while solving multiple fundamental issues.
Findings
Achieves gauge coupling unification
Generates neutrino masses radiatively
Addresses electroweak vacuum stability
Abstract
We consider the diphoton resonance at the 13 TeV LHC in a consistent model with new scalars and vector-like fermions added to the Standard Model (SM), which can be constructed from orbifold grand unified theories and string models. The gauge coupling unification can be achieved, neutrino masses can be generated radiatively, and electroweak vacuum stability problem can be solved. To explain the diphoton resonance, we study a spin-0 particle, and discuss various associated final states.
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