LHEF:

The LHEF project provides some classes for reading and writing Les Houches Event Files according to the proposal by Torbjörn Sjöstrand discussed at the MC4LHC workshop at CERN 2006. The project basically only provide one file called LHEF.h and it is available from the from the LHEF pages in Lund together with more information.

Please note that as of version 3 of HepMC, the LHEF.h file will be a part of that distribution.