CKM-suppressed top quark decays t{yields}s(d)+W in the standard model and beyond
- Cuerpo Academico de Particulas, Campos y Relatividad FCFM, BUAP, Pue. (Mexico)
- Centro de Investigaciones Teoricas, FES-Cuautitlan, UNAM (Mexico)
- Departamento de Fisica, Cinvestav, Apdo. Postal 14-740, Mexico D.F. (Mexico)
- Istituto Nazionale di Fisica Nucleare Pisa, I-56127, Pisa (Italy)
As it is well known, top quark decays are of particular interest as a means to test the standard model (SM) predictions, these include the dominant (t{yields}b+W), the Cabibbo-Kobayashi-Maskawa (CKM)-suppressed process t{yields}cWW, and the rare decays (t{yields}cV, cVV, c{phi}{sup 0}, bWZ). As all of them are highly suppressed, they become an excellent window to probe the predictions of theories beyond the SM. In this paper, we evaluate the corrections from new physics to the CKM-suppressed SM top quark decay t{yields}q+W(q=d,s), both within an effective model with right-handed currents and for the minimal SUSY extension of the SM. We also discuss the perspectives to probe those predictions at the International Linear Collider.
- OSTI ID:
- 21250116
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 77, Issue 9; Other Information: DOI: 10.1103/PhysRevD.77.094010; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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