Actions for Determination of Littlest Higgs Model Parameters at the ILC [electronic resource].

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Determination of Littlest Higgs Model Parameters at the ILC [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2005.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
21 pages : digital, PDF file
Additional Creators
Stanford Linear Accelerator Center, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We examine the effects of the extended gauge sector of the Littlest Higgs model in high energy e⁺e⁻ collisions. We find that the search reach in e⁺e⁻ → f{bar f} at a √s = 500 GeV International Linear Collider covers essentially the entire parameter region where the Littlest Higgs model is relevant to the gauge hierarchy problem. In addition, we show that this channel provides an accurate determination of the fundamental model parameters, to the precision of a few percent, provided that the LHC measures the mass of the heavy neutral gauge .eld. Additionally, we show that the couplings of the extra gauge bosons to the light Higgs can be observed from the process e⁺e⁻ → Zh for a significant region of the parameter space. This allows for confirmation of the structure of the cancellation of the Higgs mass quadratic divergence and would verify the little Higgs mechanism.
Report Numbers
E 1.99:slac-pub-11344
slac-pub-11344
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
07/27/2005.
"slac-pub-11344"
"hep-ph/0507198"
Physical Review, D (Particles Fields) 72 ISSN 0556-2821; PRVDAQ FT
Hewett, JoAnne; Conley, John A.; Le, My Phuong.
Funding Information
AC02-76SF00515
View MARC record | catkey: 14681951