Quadratic Mass Corrections of Order αₛ³ mq²/s to the Decay Rate of Z- and W- Bosons
Chetyrkin, K. G. · Kuhn, J. H.
Original · EN
We analytically compute quadratic mass corrections of order αₛ³ mq²/s to the absorptive part of the (non-diagonal) correlator of two axial vector currents. This allows us to find the correction of order αₛ³ mq²/M²W to the Γ(W -->hadrons) as well as similar corrections to Γ(Z -->hadrons).
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