Bethe-Bloch in ROOT?

ROOT
1

Dear ROOT experts,

Is the Bethe-Bloch formulate somewhere implemented in ROOT or is there a package available that works with ROOT?

Thanks in advance,

Ytsen.

2

see for example
http://aliweb.cern.ch/offline/geant4/G4CodePrototype/G4IonisParamElm.C.html

Rene