期刊
PHYSICAL REVIEW LETTERS
卷 119, 期 14, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.141804
关键词
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资金
- MIUR-FIRB [RBFR12H1MW]
- Strategic Research Program High Energy Physics
- Research Council of the Vrije Universiteit Brussel
- European Research Council (ERC) under the EU Seventh Framework Programme/ERC [278234]
We study the effective theory of a generic class of hidden sectors where supersymmetry is broken together with an approximate R-symmetry at low energy. The light spectrum contains the gravitino and the pseudo-Nambu-Goldstone boson of the R-symmetry, the R-axion. We derive new model-independent constraints on the R-axion decay constant for R-axion masses ranging from GeV to TeV, which are of relevance for hadron colliders, lepton colliders, and B factories. The current bounds allow for the exciting possibility that the first sign of supersymmetry will be the R-axion. We point out its most distinctive signals, providing a new experimental handle on the properties of the hidden sector and a solid motivation for searches of axionlike particles.
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