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Keywords: thermal neutron gadolinium physics lists LHEP_PRECO_HP
Forum: Physics List
Re: Question LHEP_PRECO_HP and Gadolinium (Mario O de Menezes)
Re: More Re: LHEP_PRECO_HP and Gadolinium (Mario O de Menezes)
Date: 09 Oct, 2003
From: michel maire <michel maire>

User Mario O. de Menezes wrote:

>> Hi,
>> 
>>   I forgot to show how I code the material specification:
>> 
>>   density = 7.95*g/cm3;
>>   a = 152.*g/mole;
>>   G4Element* elGd152 = new G4Element(name="elGd152", symbol="Gd",z=64.,a);
>>   a = 154.*g/mole;
>>   G4Element* elGd154 = new G4Element(name="elGd154", symbol="Gd",z=64.,a);
>>   a = 155.*g/mole;
>>   G4Element* elGd155 = new G4Element(name="elGd155", symbol="Gd",z=64.,a);
>>   a = 156.*g/mole;
>>   G4Element* elGd156 = new G4Element(name="elGd156", symbol="Gd",z=64.,a);
>>   a = 157.*g/mole;
>>   G4Element* elGd157 = new G4Element(name="elGd157", symbol="Gd",z=64.,a);
>>   a = 158.*g/mole;
>>   G4Element* elGd158 = new G4Element(name="elGd158", symbol="Gd",z=64.,a);
>>   a = 160.*g/mole;
>>   G4Element* elGd160 = new G4Element(name="elGd160", symbol="Gd",z=64.,a);
>>   G4Material* Gd = new G4Material(name="Gadolinium",density,7);
>>   Gd->AddElement(elGd152,0.2*perCent);
>>   Gd->AddElement(elGd154,2.2*perCent);
>>   Gd->AddElement(elGd155,14.9*perCent);
>>   Gd->AddElement(elGd156,20.6*perCent);
>>   Gd->AddElement(elGd157,15.7*perCent);
>>   Gd->AddElement(elGd158,24.7*perCent);
>>   Gd->AddElement(elGd160,21.7*perCent);
>> 
>>   Thanks
>> 
>> Mário

   G4Isotope* Gd152 = new G4Isotope("Gd152", 64, 152, 152.0*g/mole);
   G4Isotope* Gd154 = new G4Isotope("Gd154", 64, 154, 154.0*g/mole);
   G4Isotope* Gd155 = new G4Isotope("Gd155", 64, 155, 155.0*g/mole);
   G4Isotope* Gd156 = new G4Isotope("Gd156", 64, 156, 156.0*g/mole);
   G4Isotope* Gd157 = new G4Isotope("Gd157", 64, 157, 157.0*g/mole);
   G4Isotope* Gd158 = new G4Isotope("Gd158", 64, 158, 158.0*g/mole);
   G4Isotope* Gd160 = new G4Isotope("Gd160", 64, 160, 160.0*g/mole);

   G4Element* Gd = new G4Element("Gadolinium","Gd",7);
   Gd->AddIsotope(Gd152,  0.2*perCent);
   Gd->AddIsotope(Gd154,  2.2*perCent);
   Gd->AddIsotope(Gd155, 14.9*perCent);   //beware: it is abundance,
   Gd->AddIsotope(Gd156, 20.6*perCent);   //        not fractionMass
   Gd->AddIsotope(Gd157, 15.7*perCent);
   Gd->AddIsotope(Gd158, 24.7*perCent);
   Gd->AddIsotope(Gd160, 21.7*perCent);

   G4Material* maGd = new G4Material("Gadolinium", 7.95*g/cm3, 1);
   maGd->AddElement(Gd,100.*perCent);

 see examples/novice/N03

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1 None: Re: LHEP_PRECO_HP and Gadolinium   (Mario Olimpio de Menezes - 09 Oct, 2003)
(_ None: Re: LHEP_PRECO_HP and Gadolinium   (Wellisch, J.P. - 09 Oct, 2003)
1 Sad: Re: LHEP_PRECO_HP and Gadolinium   (Mario O. de Menezes - 09 Oct, 2003)
2 None: Re: LHEP_PRECO_HP and Gadolinium   (Yu Chen - 25 Nov, 2003)
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