Next-to-Next-to-Leading Electroweak Logarithms in W-pair Production at ILC
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We derive the high energy asymptotic behavior of gauge boson production cross section in a spontaneously broken SU(2) gauge theory in the next-to-next-to-leading logarithmic approximation. On the basis of this result we obtain the logarithmically enhanced two-loop electroweak corrections to the differential cross section of W-pair production at ILC/CLIC up to the second power of the large logarithm.
17 pages, LaTeX, Eqs. (31) and (35) corrected
17 pages, LaTeX, Eqs. (31) and (35) corrected