S, T, U parameters in $SU(3)_C\times SU(3)_L\times U(1)$ model with right-handed neutrinos

dc.creatorLong, Hoang Ngoc
dc.creatorInami, Takeo
dc.date1999-02-26
dc.date.accessioned2026-07-07T12:03:30Z
dc.date.available2026-07-07T12:03:30Z
dc.descriptionThe S, T, U parameters in the $ SU(3)_C\times SU(3)_L\times U(1)$ model with right -handed neutrinos are calculated. Explicit expressions for the oblique and Z - Z' mixing contributions are obtained. We show that the bilepton oblique contributions to S and T parameters are bounded : $- 0.085 \stackrel{<}{\sim} S \stackrel{<}{\sim} 0.05$ and $- 0.001 \stackrel{<}{\sim} T \stackrel{<}{\sim} 0.08$. The Z - Z' mixing contribution is positive and above 10%, but it will increase fastly with the higher Z' mass. %can be negative. The consequent mass splitting of the bilepton is derived and to be 15%. The limit on the mass of the neutral bilepton in this model is obtained.
dc.descriptionLatex, axodraw.sty used, 3 figures, 18 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/9902475
dc.identifierhttp://arxiv.org/abs/hep-ph/9902475
dc.identifierPhys.Rev.D61:075002,2000
dc.identifierdoi:10.1103/PhysRevD.61.075002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207805
dc.subjectHigh Energy Physics - Phenomenology
dc.titleS, T, U parameters in $SU(3)_C\times SU(3)_L\times U(1)$ model with right-handed neutrinos
dc.typetext

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