Crunching Dilaton, Hidden Naturalness
نویسندگان
چکیده
We introduce a new approach to the Higgs naturalness problem. The mixes with dilaton of conformal field theory (CFT) sector whose true ground state has large negative vacuum energy. If expectation value is nonzero and below $\mathcal{O}(\mathrm{TeV})$, CFT admits second metastable vacuum, where expansion history Universe conventional. As result, only Hubble patches unnaturally small values mass do not immediately crunch. main experimental prediction this mechanism in 0.1--10 GeV range that can be detected at future colliders experiments searching for weakly coupled particles.
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2021
ISSN: ['1079-7114', '0031-9007', '1092-0145']
DOI: https://doi.org/10.1103/physrevlett.126.091801