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4 papers · 2 filters
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…
Duality violations in tau hadronic spectral moments
D. R. Boito, O. Cata, M. Golterman +4
Evidence is presented for the necessity of including duality violations in a consistent description of spectral function moments employed in the precision determination of fr…
Pseudo-Dirac Dark Matter Leaves a Trace
Andrea De Simone, Veronica Sanz, Hiromitsu Phil Sato
Pseudo-Dirac Dark Matter is a viable type of dark matter which originates from a new Dirac fermion whose two Weyl states get slightly split in mass by a small Majorana term. The de…