Towards NNLL resummation: hard matching coefficients for squark and gluino hadroproduction

Open Access
Authors
  • A. Kulesza
  • E. Laenen ORCID logo
  • I. Niessen
  • S. Thewes
  • T. van Daal
Publication date 2013
Journal The Journal of High Energy Physics
Article number 120
Volume | Issue number 2013 | 10
Number of pages 25
Organisations
  • Faculty of Science (FNWI) - Institute of Physics (IoP) - Institute for Theoretical Physics Amsterdam (ITFA)
Abstract We present the hard matching coefficients for squark and gluino hadroproduction. The hard matching coefficients follow from the next-to-leading order cross section near threshold and are an important ingredient for performing threshold resummation at next-to-next-to-leading logarithmic accuracy. We discuss the calculation, list the analytical results and study the numerical impact of these corrections. We find that the impact of the hard matching coefficients can be considerable, with the largest effect observed for final states involving gluinos.
Document type Article
Language English
Published at https://doi.org/10.1007/JHEP10(2013)120
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Towards_NNLL_resummation.pdf (Final published version)
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