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Title: | The Triple Higgs Boson Self-Coupling at Future Linear e+e-Colliders Energies: ILC and CLIC |
Authors: | Gutiérrez Rodríguez, Alejandro Hernández Ruíz, María de los Angeles Sampayo, Oscar Chubykalo, Andrew Espinoza, Augusto |
Issue Date: | Sep-2008 |
Publisher: | The Physical Society of Japan and AIP Publishing |
Abstract: | We analyzed the triple Higgs boson self-coupling al future e+e-colliders energies, with the reactions e+ e--+ bbHH, ttHH. We evaluate the total cross-sections for both bbHH and ttHH, and calculate the total number of events considering the complete set of Feynman diagrams at tree-level. We vary the triple coupling KA3H within the range K =: -1 and +2. The numerical computation is done for the energies expected to be available at a possible Future Linear e+e-Collíder with a center-of-mass energy 800, 1000, 1500GeV and a lurninosity 1000tb-1. Our analysis is also extended to a center-of-mass energy 3 Te V and luminosities of 1000 and 5000 tb-I. We found that foe the process e+e--+ bbHH, the complete calculatíon díffers only by 3% from the approximate calculatíon e+e--+ ZHH(Z -+ bb), while for the process e+e--+ ttHH, the expected number of events, considering the decay products of both t and H, is not enough to obtain an accurate determination of the triple Higgs boson self-coupling. |
URI: | http://hdl.handle.net/20.500.11845/524 https://doi.org/10.48779/yejm-w696 |
ISSN: | 1347-4073 0031-9015 |
Other Identifiers: | info:eu-repo/semantics/publishedVersion |
Appears in Collections: | *Documentos Académicos*-- UA Física |
Files in This Item:
File | Description | Size | Format | |
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2008 J. Phys. Soc. Jpn.pdf | 562,5 kB | Adobe PDF | ![]() View/Open |
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