KVElementDensity* KVElementDensityTable::FindElementBySymbol(const Char_t* X) const
{
// Search table for an element with the given symbol. Case-insensitive.
TString x = X;
x.ToUpper();
TIter next(tobj);
KVElementDensity* elem;
while ((elem = (KVElementDensity*)next())) {
TString el = elem->GetElementSymbol();
el.ToUpper();
if (x == el) return elem;
}
return 0x0;
}
void KVRangeYanez::AddElementalMaterial(Int_t z, Int_t a)
{
// Adds a material composed of a single isotope of a chemical element.
// If the isotope (a) is not specified, we create a material containing the naturally
// occuring isotopes of the given element, weighted according to their abundance.
// If the mass is given, the material symbol will be "AX" where X is the symbol for the element
// e.g. "48Ca", "124Sn", etc.
// and the material name will be "Xxx-A" where Xxx is the name of the element
// e.g. "Calcium-48", "Tin-124", etc.
// Otherwise, we just use the element symbol and name for naturally-occurring
// mixtures of atomic elements ("Ca", "Calcium", etc.).
KVIonRangeTableMaterial* mat;
if (!a) {
mat = MakeNaturallyOccuringElementMixture(z);
} else {
if (!gNDTManager) {
Error("AddElementalMaterial",
"Nuclear data tables have not been initialised");
return;
}
KVElementDensity* ed = (KVElementDensity*)gNDTManager->GetData(z, a, "ElementDensity");
if (!ed) {
Error("AddElementalMaterial",
"No element found in ElementDensity NDT-table with Z=%d", z);
return;
}
TString state = "solid";
if (ed->IsGas()) state = "gas";
mat = new KVRangeYanezMaterial(this, Form("%s-%d", ed->GetElementName(), a),
Form("%d%s", a, ed->GetElementSymbol()),
state, ed->GetValue(), z, a);
mat->Initialize();
}
CheckMaterialsList();
fMaterials->Add(mat);
mat->ls();
}
KVIonRangeTableMaterial* KVRangeYanez::MakeNaturallyOccuringElementMixture(Int_t z)
{
// create a material containing the naturally occuring isotopes of the given element,
// weighted according to their abundance.
if (!gNDTManager) {
Error("MakeNaturallyOccuringElementMixture",
"Nuclear data tables have not been initialised");
return NULL;
}
KVElementDensity* ed = (KVElementDensity*)gNDTManager->GetData(z, z, "ElementDensity");
if (!ed) {
Error("AddElementalMaterial",
"No element found in ElementDensity NDT-table with Z=%d", z);
return 0x0;
}
TString state = "solid";
if (ed->IsGas()) state = "gas";
KVRangeYanezMaterial* mat =
new KVRangeYanezMaterial(this,
ed->GetElementName(),
ed->GetElementSymbol(),
state, ed->GetValue());
KVNucleus nuc(z);
KVNumberList isotopes = nuc.GetKnownARange();
isotopes.Begin();
while (!isotopes.End()) {
nuc.SetA(isotopes.Next());
Double_t abundance = nuc.GetAbundance() / 100.;
if (abundance > 0.) mat->AddMixtureElement(z, nuc.GetA(), 1, abundance);
}
mat->Initialize();
return (KVIonRangeTableMaterial*)mat;
}