Herwig 7.0/Herwig++ 3.0 release note

Johannes Bellm, Stefan Gieseke, David Grellscheid, Simon Plätzer, Michael Rauch, Christian Reuschle, Peter Richardson, Peter Schichtel, Michael H. Seymour, Andrzej Siódmok, Alexandra Wilcock, Nadine Fischer, Marco A. Harrendorf, Graeme Nail, Andreas Papaefstathiou, Daniel Rauch

Research output: Contribution to journalArticlepeer-review


A major new release of the Monte Carlo event generator Herwig++ (version 3.0) is now available. This release marks the end of distinguishing Herwig++ and HERWIG development and therefore constitutes the first major release of version 7 of the Herwig event generator family. The new version features a number of significant improvements to the event simulation, including: built-in NLO hard process calculation for virtually all Standard Model processes, with matching to both angular-ordered and dipole shower modules via both subtractive (MC@NLO-type) and multiplicative (Powheg-type) algorithms; QED radiation and spin correlations in the angular-ordered shower; a consistent treatment of perturbative uncertainties within the hard process and parton showering. Several of the new features will be covered in detail in accompanying publications, and an update of the manual will follow in due course.
Original languageEnglish
Article number196
Number of pages8
JournalEuropean Physical Journal C
Issue number4
Publication statusPublished - 11 Apr 2016


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