LHC as an axion factory: probing an axion explanation for (g-2)[mu] with exotic Higgs decays
We argue that a large region of so-far unconstrained parameter space for axionlike particles (ALPs), where their couplings to the standard model are of order (0.01-1) TeV−1, can be explored by searches for the exotic Higgs decays h→Za and h→aa in run 2 of the LHC. Almost the complete region in which...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
21 July 2017
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| In: |
Physical review letters
Year: 2017, Jahrgang: 119, Heft: 3 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.119.031802 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.119.031802 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.119.031802 
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| Verfasserangaben: | Martin Bauer, Matthias Neubert, and Andrea Thamm |
MARC
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| 520 | |a We argue that a large region of so-far unconstrained parameter space for axionlike particles (ALPs), where their couplings to the standard model are of order (0.01-1) TeV−1, can be explored by searches for the exotic Higgs decays h→Za and h→aa in run 2 of the LHC. Almost the complete region in which ALPs can explain the anomalous magnetic moment of the muon can be probed by searches for these decays with subsequent decay a→γγ, even if the relevant couplings are loop suppressed and the a→γγ branching ratio is less than 1. | ||
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