期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP01(2011)022
关键词
Beyond Standard Model; Technicolor and Composite Models
资金
- Schweizer Nationalfonds
- National Science Foundation [PHY-0854782]
- U.S. Department of Energy, Division of High Energy Physics [DE-AC02-06CH11357, DE-FG02-84ER40173]
We analyze the collider signals of composite scalars that emerge in certain little Higgs models and models of vectorlike confinement. Similar to the decay of the pion into photon pairs, these scalars mainly decay through anomaly-induced interactions into electroweak gauge bosons, leading to a distinct signal with three or more photons in the final state. We study the standard model backgrounds for these signals, and find that the LHC can discover these models over a large range of parameter space with 30 fb(-1) at 14 TeV. An early discovery at the current 7TeV run is possible in some regions of parameter space. We also discuss possibilities to measure the spin of the particles in the gamma gamma and Z gamma decay channels.
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