Release of FastJet 3.1.1, 6 January 2015 (release notes). Minor maintenance release.
Main improvement of 3.1 series: speed gains between a factor of 1.5 to ten in the range between a few thousand and a few hundred thousand particles. More ⇓ Download
Latest stable release of fjcore (v3.1.1), 6 January 2015.
Lightweight access to the core FastJet functionality (PseudoJet, JetDefinition, ClusterSequence and Selector). It consists of just two files, fjcore.hh and, which can easily be included in 3rd party projects. Compile time: a few seconds. Download size: 70k.
Release of FastJet Contrib 1.015, 25 November 2014
A package of contributed add-ons to FastJet. Release 1.015 updates EnergyCorrelator to 1.1.0 (adding C1, C2 and D2 observables).