Branching ratios of$Z^0 \to f\bar f$ and$Z^{0'} \to f\bar f$ in theSU ₈ multigenerational grand unificationin theSU ₈ multigenerational grand unification

Summary

The branching ratios of$Z^0 \to f\bar f$ and the second neutral vector boson$Z^{0'} \to f\bar f$ are found and compared in the$\bar 8_L + \overline {28} _L + 56_L$ model of theSU ₈ multigenerational grand unification, where symmetry breakings occur in stepsSU ₈→SU _3,G×SU _5,F×U′_I,C→SU _3,G×SU _3,C×SU _2,L×U _1,B×U′_1,C→SU _3,C×SU _2,L×U _1,Y→SU _3,C×U _1,E.

Riassunto

Si trovano i rapporti tra probabilità di decadimento di$Z^0 \to f\bar f$ e il secondo bosone vettoriale neutro$Z^{0'} \to f\bar f$ e si confrontano nel modello$\bar 8_L + \overline {28} _L + 56_L$ della grande unificazione multigenerazionaleSU ₈, dove le rotture di simmetria avvengono in passi successiviSU ₈→SU _3,G×SU _5,F×U′_I,C→SU _3,G×SU _3,C×SU _2,L×U _1,B×U′_1,C→SU _3,C×SU _2,L×U _1,Y→SU _3,C×U _1,E.

Резуме

йсследуется отнощение ветвеи$Z^0 \to f\bar f$ и$Z^{0'} \to f\bar f$ в$\bar 8_L + \overline {28} _L + 56_L$ моделиSU ₈ великого общединения, где нарущение симметрии происходит следуушим образомSU ₈→SU _3,G×SU _5,F×U′_1,C→SU _3,G×SU _3,C×SU _2,L×U _1,B×U′_1,C→SU _3,C×SU _2,L ×U _1,Y→SU _3,C×U _1,E