D. G. C. McKeon

Closed form summation of RG accessible logarithmic contributions to semileptonic B decays and other perturbative processes

For any perturbative series that is known to

Radiative Electroweak Symmetry Breaking Revisited

k

A CANONICAL APPROACH TO THE EINSTEIN–HILBERT ACTION IN TWO SPACETIME DIMENSIONS

-subleading orders of perturbation theory, we utilise the process-appropriate renormalization-group (RG) equation in order to obtain all-orders summation of series terms proportional to

A Canonical Analysis of the Einstein-Hilbert Action in First Order Form

\alpha^n \log^{n-k}(\mu^2)

RADIATIVE EFFECTS IN A CONSTANT MAGNETIC FIELD USING THE QUANTUM MECHANICAL PATH-INTEGRAL

with

Unique determination of the effective potential in terms of renormalization group functions

k = {0,1,2,3}

General covariant gauge fixing for massless spin-two fields

, corresponding to the summation to all orders of the leading and subsequent-three-subleading logarithmic contributions to the full perturbative series. These methods are applied to the perturbative series for semileptonic

PECULIARITIES OF THE CANONICAL ANALYSIS OF THE TWO-DIMENSIONAL FIRST-ORDER EINSTEIN–HILBERT ACTION IN TERMS OF THE METRIC TENSOR OR THE METRIC DENSITY

b

Thermal Green's functions from quantum-mechanical path integrals.

-decays in both MS-bar and pole-mass schemes, and they result in RG-summed series for the decay rates which exhibit greatly reduced sensitivity to the renormalization scale

Optimal renormalization group improvement of the perturbative series for the e+ e- annihilation cross-section

\mu