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SLAC-PUB-15911
IPPP-14-18
DCPT-14-36
ZU-TH-06-14
LPN14-051
MCNET-14-05
HT-14-005
arXiv:1402.6293
Phys.Lett. B748 (2015) 74-78

by: Hoeche, Stefan (SLAC) et al.

Abstract:
We present differential cross sections for the production of top-quark pairs in conjunction with up to two jets, computed at next-to leading order in perturbative QCD and consistently merged with a parton shower in the Sherpa+OpenLoops framework. Top quark decays including spin correlation effects are taken into account at leading order accuracy. The calculation yields a unified description of top-pair plus multi-jet production, and detailed results are presented for various key observables at the Large Hadron Collider. A large improvement with respect to the multi-jet merging approach at leading order is found for the total transverse energy spectrum, which plays a prominent role in searches for physics beyond the Standard Model.
Link: 
http://inspirehep.net/record/1282466
Publ date: 
Wednesday, February 26, 2014 - 04:55