Implications of the absence of high-mass radion signals
Aqeel Ahmed, Barry M. Dillon, Bohdan Grzadkowski, John F. Gunion and, Yun Jiang
TL;DR
This paper discusses how the lack of high-mass signals at the LHC constrains the properties of the radion in the Randall-Sundrum model, setting lower bounds on its vacuum expectation value.
Contribution
It provides a comprehensive analysis of LHC data to establish radion mass-dependent lower bounds on the radion vacuum expectation value, independent of Higgs-radion mixing.
Findings
No high-mass signals observed at the LHC.
Radion vacuum expectation value has a significant lower bound.
Constraints are largely independent of Higgs-radion mixing.
Abstract
Given the disappearance of the 750 GeV di-photon LHC signal and the absence of signals at high mass in this and other channels, significant constraints on the mixed Higgs-radion of the five-dimensional Randall-Sundrum model arise. By combining all channels, these constraints place a significant radion-mass-dependent lower bound on the radion vacuum expectation value that is fairly independent of the amount of Higgs radion mixing.
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