Particle physicists began to move on to C++: Pythia, GEANT4, root. EDIT: Also, lattice QCD people are using C++ nowdays (frankly, I haven't seen them using any

Particle physicists began to move on to C++: Pythia, GEANT4, root. EDIT: Also, lattice QCD people are using C++ nowdays (frankly, I haven't seen them using anything else).