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Status of the Lattice and Tau Decay Determinations of alpha_s
Kim Maltman
The two highest precision determinations of alpha_s(M_Z^2), that based on the analysis of short-distance-sensitive lattice observables, and that based on an analysis of hadronic ta…
Consequences of the BaBar e^+e^- --> pi^+pi^- Measurement for the Determination of Model-Dependent rho-omega Mixing Effects in Pi_{ρω}(m_ρ^2) and (g-2)_mu
C. E. Wolfe, K. Maltman
We update our analysis of rho-omega mixing effects in the pion form factor to incorporate the recently published BaBar e^+e^- --> pi^+π^- cross-sections. The implications for tau-d…
A critical look at V_us determinations from hadronic tau decay data
Kim Maltman
A critical review of hadronic tau decay data based determinations of |V_{us}| is given, focussing on the impact of the slow convergence of the integrated D=2 OPE series for the con…
QCD Lambda parameter from Landau-gauge gluon and ghost correlations
A. Sternbeck, E. -M. Ilgenfritz, K. Maltman +3
We utilise a recently developed minimal MOM scheme to determine the QCD Lambda parameter from the gluon and ghost propagators in lattice Landau gauge. We discuss uncertainties in t…