Next-to-leading power threshold logarithms: a status report
arXiv:1602.01988
Abstract
There is ample evidence, dating as far back as Low's theorem, that the universality of soft emissions extends beyond leading power in the soft energy. This universality can, in principle, be exploited to generalise the formalism of threshold resummations beyond leading power in the threshold variable. In the past years, several phenomenological approaches have been partially successful in performing such a resummation. Here, we briefly review some recent developments which pave the way to a solution of this problem, at least for electroweak annihilation processes.
Contribution to the Proceedings of the 12th International Symposium on Radiative Corrections (Radcor 2015) and LoopFest XIV, UCLA, 15-19 June, 2015
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