Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP05(2020)027
Keywords
Exotics; Hadron-Hadron scattering (experiments); Beyond Standard Model; Jets; Photon production
Categories
Funding
- France-Korea Particle Physics Lab (FKPPL)
- Labex-LIO (Lyon Institute of Origins) [ANR-10-LABX-66]
- FRAMA (FR3127, Federation de Recherche Andre Marie Ampere)
- IBS [IBSR018-D1]
- Mainz Institute for Theoretical Physics (MITP) of the Cluster of Excellence PRISMA+ [39083149]
- National Research Foundation of Korea [IBS-R018-D1-2020-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We consider a color octet scalar particle and its exotic decay in the channel gluon-gamma using an effective Lagrangian description for its strong and electromagnetic interactions. Such a state is present in many extensions of the Standard Model, and in particular in composite Higgs models with top partial compositeness, where couplings to photons arise via the Wess-Zumino-Witten term. We find that final states with one or two photons allow for a better reach at the LHC, even for small branching ratios. Masses up to 1.2 TeV can be probed at the HL-LHC by use of all final states. Finally, we estimate the sensitivity of the hadronic FCC.
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