Non-minimal Higgs-gravity coupling and naturalness at the LHC and beyond

Abstract

The non-minimal Higgs-gravity coupling, $\xi H^{†}HR$, can play an interesting role in particle physics. We utilize the available LHC Run-2 data to obtain the bound on the coupling $\xi$ and discuss the prospects of constraining it at CEPC, FCC-ee and ILC. Also, we investigate its implication on the naturalness.

arXiv comment10 pages, 2 figures, references and discussions added, version accepted by JCAP

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• HL-LHC sensitivity to higgsinos from natural SUSY with gravitino LSP