Izvorni znanstveni članak
Flavour-changing radiative top quark decay
Surath Kumar Biswas
; Theoretical Physics Department, Indian Association for the Cultivation of Science, Jadavpur, Calcutta, 700032, India
V. P. Gautam
; Theoretical Physics Department, Indian Association for the Cultivation of Science, Jadavpur, Calcutta, 700032, India
Sažetak
The flavour-changing radiative decay of the t quark has been considered at one loop level in a nonlinear Rξ gauge within the standard model and beyond. The electroweak penguin diagrams involving one insertion of the W boson and/or scalar particle have been considered, and we have also calculated the contribution arising from those diagrams using the fourth generation CKM matrix elements.
Ključne riječi
radiative t quark decay; change of flavour; nonlinear Rξ gauge; electroweak penguin diagrams; fourth generation CKM matrix
Hrčak ID:
305478
URI
Datum izdavanja:
1.9.1999.
Posjeta: 393 *