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Phenomenology of the standard HVM and 95.4 GeV excess by Abbas, Gauhar; Singh, Neelam is a scholarly article available to read on EtoBox.

What is Phenomenology of the standard HVM and 95.4 GeV excess about?

We investigate the flavor, ALPs, and collider phenomenology of the standard hierarchical VEVs model. The flavor bounds are derived for a symmetry-conserving scenario, and the most powerful constraints are originating from the neutral meson mixing observable $C_{\eps_K}$ pushing the scale $\Lambda$ around $10^4$ TeV. The masses of ALPs $a_2$ and $a_6$ are excluded in the ranges $12-10^7$ eV and $2 \times 10^2 - 10^7$ eV, respectively in the symmetry-conserving scenario. The collider phenomenology is conducted for the soft-symmetry breaking scenario, where the pseudoscalar $a_3$ can account for the 95.4 GeV di-photon excess reported by the LHC. The scalars $h_i$, in particular, scalars $h_1, h_2, h_4,h_5$, and $h_6$ are within the reach of the high-luminosity LHC, high-energy LHC, and a 100 TeV collider such as FCC-hh.

Author

Abbas, Gauhar; Singh, Neelam

Published

2024

Language

EN