Speaker
Mathias Butenschoen
(Universität Hamburg)
Description
We present our next-to-leading order (NLO) calculation of associated hadroproduction of J/psi plus W or Z bosons within the factorization framework of nonrelativistic QCD (NRQCD). We compare to ATLAS data using various sets of nonperturbative long distance matrix elements (LDMEs) as input, thereby opening up a completely new angle in the ongoing quest to understand whether the LDMEs are universal or not. We give an overview of how these NLO universality tests now unfold after inclusion of our new results.
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Authors
Mathias Butenschoen
(Universität Hamburg)
Bernd Kniehl
(University of Hamburg)
