Production-decay interferences at NLO in QCD for t-channel single-top production
Falgari, Pietro · Mellor, Paul · Signer, Adrian
Original · EN
We present a calculation of O(αₛ) contributions to the process of t-channel single-top production and decay, which include virtual and real corrections arising from interference of the production and decay subprocesses. The calculation is organized as a simultaneous expansion of the matrix elements in the couplings αew,αₛ and the virtuality of the intermediate top quark, (pₜ²-mₜ²)/mₜ² Γₜ/mₜ, and extends earlier results beyond the narrow-width approximation.
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