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Technicolor and Lattice Gauge Theory
R. Sekhar Chivukula, Elizabeth H. Simmons
Technicolor and other theories of dynamical electroweak symmetry breaking invoke chiral symmetry breaking triggered by strong gauge-dynamics, analogous to that found in QCD, to exp…
Deconstructed Higgsless Models at LHC: The Top Triangle Moose
R. Sekhar Chivukula, Neil D. Christensen, Baradhwaj Coleppa +1
We describe a deconstructed Higgsless model in which electroweak symmetry breaking results largely from a Higgsless mechanism while the top quark mass is generated by a topcolor me…
The Limits of Custodial Symmetry
R. Sekhar Chivukula, Stefano Di Chiara, Roshan Foadi +1
We introduce a toy model implementing the proposal of using a custodial symmetry to protect the Zbb coupling from large corrections. This "doublet-extended standard model" adds a w…
Global Symmetries and Renormalizability of Lee-Wick Theories
R. Sekhar Chivukula, Arsham Farzinnia, Roshan Foadi +1
In this paper we discuss the global symmetries and the renormalizibility of Lee-Wick scalar QED. In particular, in the "auxiliary-field" formalism we identify softly broken SO(1,1)…
Axigluons cannot explain the observed top quark forward-backward asymmetry
R. Sekhar Chivukula, Elizabeth H. Simmons, C. -P. Yuan
We study an SU(3)^2 axigluon model introduced by Frampton, Shu, and Wang to explain the recent Fermilab Tevatron observation of a significant positive enhancement in the top quark…
Condensate Enhancement and D-Meson Mixing in Technicolor Theories
R. Sekhar Chivukula, Elizabeth H. Simmons
Since the pioneering work of Eichten and Lane it has been known that the scale of the interactions responsible for the generation of the strange-quark mass in extended technicolor…