Monte Carlo Particle Lists: MCPL
  A binary format with lists of particle state information, for interchanging particles between various Monte Carlo simulation applications, is presented. Portable C code for file manipulation is made available to the scientific community, along with converters and plugins for several popular simulation packages. 
Thomas Kittelmann, Esben Klinkby, Erik B Knudsen, Peter Willendrup,   Xiao Xiao Cai, Kalliopi Kanaki
physics.comp-ph hep-ex nucl-ex