+ gMC->SetMaxNStep(-30000); // max. number of steps increased
+
+ if (fPrimaryIonisation) {
+ gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential
+
+ gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35);
+ gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss
+ } else {
+ gMC->Gstpar(idtmed[2],"LOSS", 5); // specific energy loss
+ }