Constraints on top-quark flavor changing neutral couplings from electroweak precision measurements
F Larios, R Martinez, MA Perez - … Review D—Particles, Fields, Gravitation, and …, 2005 - APS
We study the one-loop contributions of the effective flavor changing neutral couplings
(FCNC) tc Z, tc H, and tc γ on the electroweak precision observables Γ Z, R c, R b, R ℓ, A c …
(FCNC) tc Z, tc H, and tc γ on the electroweak precision observables Γ Z, R c, R b, R ℓ, A c …
Rare top quark and Higgs boson decays in alternative left-right symmetric models
R Gaitan, OG Miranda, LG Cabral-Rosetti - Physical Review D—Particles …, 2005 - APS
Top quark and Higgs boson decays induced by flavor-changing neutral currents (FCNC) are
very much suppressed in the standard model. Their detection in colliders such as the Large …
very much suppressed in the standard model. Their detection in colliders such as the Large …
Effects of an extra gauge boson on the top quark decay gamma
A Cordero-Cid, G Tavares-Velasco, JJ Toscano - Physical Review D …, 2005 - APS
The effects of an extra Z′ gauge boson with family nonuniversal fermion couplings on the
rare top quark decay t→ c γ are first examined in a model-independent way and then in the …
rare top quark decay t→ c γ are first examined in a model-independent way and then in the …
[HTML][HTML] Top-pions and single top production at HERA and THERA
F Larios, F Penunuri, MA Perez - Physics Letters B, 2005 - Elsevier
We study single top quark production at the HERA and THERA colliders as coming from the
FCNC vertices tcγ and tcZ that appear at one loop level in topcolor-assisted technicolor …
FCNC vertices tcγ and tcZ that appear at one loop level in topcolor-assisted technicolor …