arXiv:1210.2808 [hep-ph]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords next-to-next-to-leading order, study arbitrary infrared-safe observables, invariant mass distribution, top-quark semileptonic decay, top-quark decay width Tags journal article Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset