NNLL-fast: predictions for coloured supersymmetric particle production at the LHC with threshold and Coulomb resummation
Wim BeenakkerInstitute of Physics, University of Amsterdam, Amsterdam, The NetherlandsChristoph BorschenskyInstitute for Theoretical Physics, University of Tübingen, Auf der Morgenstelle 14, Tübingen, 72076, GermanyMichael KrämerInstitute for Theoretical Particle Physics and Cosmology, RWTH Aachen University, Aachen, D-52056, GermanyAnna KuleszaInstitute for Theoretical Physics, WWU Münster, Münster, D-48149, GermanyEric LaenenITF, Utrecht University, Leuvenlaan 4, Utrecht, 3584 CE, The Netherlands
2016en
ABI
Аннотация
We present state-of-the art predictions for the production of supersymmetric squarks and gluinos at the Large Hadron Collider (LHC), including soft-gluon resummation up to next-to-next-to-leading logarithmic (NNLL) accuracy, the resummation of Coulomb corrections and the contribution from bound states. The NNLL corrections enhance the cross-section predictions and reduce the scale uncertainty to a level of 5-10%. The NNLL resummed cross-section predictions can be obtained from the computer code NNLL-fast, which also provides the scale uncertainty and the pdf and α s error.
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