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HEJ 2: High Energy Resummation for Hadron Colliders

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Original languageEnglish
Number of pages27
JournalComputer Physics Communications
Volume245, Dec 2019, 106832
Early online date9 Jul 2019
Publication statusPublished - 1 Dec 2019


We present HEJ 2, a new implementation of the High Energy Jets formalism
for high-energy resummation in hadron-collider processes as a exible Monte
Carlo event generator. In combination with a conventional xed-order event
generator, HEJ 2 can be used to obtain greatly improved predictions for
a number of phenomenologically important processes by adding all-order
logarithmic corrections in ^s=p2?. A prime example for such a process is the
gluon-fusion production of a Higgs boson in association with widely separated
jets, which constitutes the dominant background to Higgs boson production
in weak-boson fusion.

    Research areas

  • hep-ph

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