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Dualities, Helicity Amplitudes, and Little Conformal Symmetry (Hardcover, 1st ed. 2017)
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Dualities, Helicity Amplitudes, and Little Conformal Symmetry (Hardcover, 1st ed. 2017)
Series: Springer Theses
Expected to ship within 10 - 15 working days
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This book develops two exciting areas of particle physics research.
It applies the recent new insights about the usefulness of helicity
amplitudes in understanding gauge theory to the long-standing
effort to understand theories with both electric and magnetic
charges. It is known that for some supersymmetric theories there is
an exact duality that relates two descriptions of the physics, one
where the electric charges are weakly coupled and another where the
electric charges are strongly coupled. The calculations in this
thesis suggest that this duality can also hold in the low-energy
limit of nonsupersymmetric gauge theories. The idea of addressing
the hierarchy problem of the standard model Higgs mechanism using
conformal symmetry is also explored. Analogously to "Little Higgs"
models, where divergences are cancelled only at one-loop order,
models are studied that have infrared conformal fixed points which
related gauge and Yukawa couplings, allowing for a cancellation
between seemingly unrelated quantum loop diagrams.
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