6 papers · 1 filter
On an Intensity-Ratio Equivalence for Two Top-Quark Decay Couplings
Charles A. Nelson
For the t --> W b decay mode, an intensity-ratio equivalence for two distinct Lorentz-invariant couplings is shown to be a consequence of symmetries of tWb-transformations. Three e…
On an Intensity-Ratio Equivalence-Theorem for Top Quark Decay
Charles A. Nelson
For the " t --> W b " decay mode, an intensity-ratio equivalence-theorem for two Lorentz-invariant couplings is shown to be related to symmetries of tWb-transformations. Explicit t…
Consequences of a Large Top-Quark Chiral Weak-Moment
Charles A. Nelson
This talk concerns some theoretical patterns of the helicity amplitudes for t --> W b decay. The patterns involve both the standard model's four decay helicity amplitudes, A_{SM},…
On the Top Quark's Chiral Weak-Moment
Charles A. Nelson
For the observed t --> W b decay, an intensity-ratio equivalence-theorem for two Lorentz-invariant couplings is shown to be related to symmetries of tWb-transformations. Three expl…
On Testing for New Couplings in Top Quark Decay
Charles A. Nelson
To quantitatively assay future measurements of competing observables in t --> W b decay, we consider the g_{V-A} coupling values of the helicity decay parameters versus those for "…
A General Treatment of Tau Semi-Leptonic Decays
Charles A. Nelson, Minseob Kim, Daryl P. Nazareth +1
The most general Lorentz invariant spin-correlation functions for are expressed in terms of eight semi-leptonic parameters…