Rivet release 2.6.2

This release mainly adds new analyses, plus consistency updates for reference data synchronisation with HepData, improvements to detector efficiency functions, bundling of more FastJet Contrib functionality, addition of (optionally) signed deltaPhi calculation, and a few small build-system improvements.

We are very pleased to release Rivet 2.6.2. This release mainly adds new analyses, plus consistency updates for reference data synchronisation with HepData, improvements to detector efficiency functions, bundling of more FastJet Contrib functionality, addition of (optionally) signed deltaPhi calculation, and a few small build-system improvements.