private void InitOverlapField()
{
OverlapField = new SimpleFireballField(
FireballFieldType.Overlap,
CoordinateSystem,
(x, y) => NucleonNumberColumnDensityFieldA[x, y] * NucleonNumberColumnDensityFieldB[x, y]);
}
private void InitNumberCollisionsField()
{
NumberCollisionsField = new SimpleFireballField(
FireballFieldType.NumberCollisions,
CoordinateSystem,
(x, y) => InelasticppCrossSection_fm2 * OverlapField[x, y]);
}
public double AverageByBottomiumDistribution(
LCFFieldFunction function
)
{
CoordinateSystem system = new CoordinateSystem(Param);
GlauberCalculation glauber = new GlauberCalculation(Param);
double[,] functionColumnDensityValues
= new double[system.XAxis.Count, system.YAxis.Count];
for (int i = 0; i < system.XAxis.Count; i++)
{
for (int j = 0; j < system.YAxis.Count; j++)
{
Func <double, double> integrand
= rapidity => function(system.XAxis[i], system.YAxis[j], rapidity);
functionColumnDensityValues[i, j]
= AverageRapidityDependence(integrand)
* glauber.NumberCollisionsField[i, j];
}
}
SimpleFireballField functionColumnDensity = new SimpleFireballField(
FireballFieldType.NumberCollisions, system, functionColumnDensityValues);
return(functionColumnDensity.IntegrateValues()
/ glauber.NumberCollisionsField.IntegrateValues());
}
/********************************************************************************************
* Constructors
********************************************************************************************/
public FireballDecayWidthField(
CoordinateSystem system,
IList <double> transverseMomenta,
FireballTemperatureField temperature,
SimpleFireballField vx,
SimpleFireballField vy,
FireballElectromagneticField electricField,
FireballElectromagneticField magneticField,
Dictionary <BottomiumState, double> formationTimes,
double initialTime,
DecayWidthRetrievalFunction decayWidthFunction
)
: base(FireballFieldType.DecayWidth, system, transverseMomenta)
{
Temperature = temperature;
VelocityX = vx;
VelocityY = vy;
ElectricField = electricField;
MagneticField = magneticField;
FormationTimes = SetFormationTimes(formationTimes);
InitialTime = initialTime;
GetDecayWidth = decayWidthFunction;
SetTransverseBottomiumVelocityAndLorentzFactor(out BetaT, out GammaT);
SetInitialValues();
}
// temperature is normalized such that T(0, 0, ThermalTime_fm) = T0
// for a central collision (ImpactParameter = 0) and TransverseMomentum = 0
private void InitTemperatureNormalizationField()
{
double norm = InitialMaximumTemperature * Math.Pow(ThermalTime, 1 / 3.0);
TemperatureNormalizationField = new SimpleFireballField(
FireballFieldType.TemperatureNormalization,
System,
(x, y) => norm * TemperatureScalingField[x, y]);
}
public double IntegrateFireballField(
FireballFieldType fieldType,
BottomiumState state = BottomiumState.Y1S,
int pTIndex = 0
)
{
SimpleFireballField field = GetFireballField(fieldType, state, pTIndex);
return(field.IntegrateValues());
}
private void InitNumberParticipantsField()
{
NumberParticipantsField = new SimpleFireballField(
FireballFieldType.NumberParticipants,
CoordinateSystem,
(x, y) =>
NucleonNumberColumnDensityFieldA[x, y] * (1.0 - Math.Pow(
1.0 - InelasticppCrossSection_fm2 * NucleonNumberColumnDensityFieldB[x, y]
/ Param.NucleonNumberB, Param.NucleonNumberB))
+ NucleonNumberColumnDensityFieldB[x, y] * (1.0 - Math.Pow(
1.0 - InelasticppCrossSection_fm2 * NucleonNumberColumnDensityFieldA[x, y]
/ Param.NucleonNumberA, Param.NucleonNumberA)));
}
private void InitNucleonNumberColumnDensityFieldsAB()
{
NucleonNumberColumnDensityFieldA = new SimpleFireballField(
FireballFieldType.ColumnDensityA,
CoordinateSystem,
(x, y) => NucleusA.GetNucleonNumberColumnDensity_per_fm3(
XAxis[x] - Param.NucleusPositionA, YAxis[y]));
NucleonNumberColumnDensityFieldB = new SimpleFireballField(
FireballFieldType.ColumnDensityB,
CoordinateSystem,
(x, y) => NucleusB.GetNucleonNumberColumnDensity_per_fm3(
XAxis[x] - Param.NucleusPositionB, YAxis[y]));
}
private void InitNucleonNumberDensityFieldsAB()
{
NucleonNumberDensityFieldA = new SimpleFireballField(
FireballFieldType.NucleonDensityA,
CoordinateSystem,
(x, y) => NucleusA.GetNucleonNumberDensity_per_fm3(Math.Sqrt(Math.Pow(
XAxis[x] - Param.NucleusPositionA, 2) + Math.Pow(YAxis[y], 2))));
NucleonNumberDensityFieldB = new SimpleFireballField(
FireballFieldType.NucleonDensityB,
CoordinateSystem,
(x, y) => NucleusB.GetNucleonNumberDensity_per_fm3(Math.Sqrt(Math.Pow(
XAxis[x] - Param.NucleusPositionB, 2) + Math.Pow(YAxis[y], 2))));
}
/********************************************************************************************
* Constructors
********************************************************************************************/
public FireballTemperatureField(
CoordinateSystem system,
SimpleFireballField temperatureScalingField,
double initialMaximumTemperature,
double thermalTime,
double initialTime
)
: base(FireballFieldType.Temperature, system)
{
TemperatureScalingField = temperatureScalingField;
InitialMaximumTemperature = initialMaximumTemperature;
ThermalTime = thermalTime;
InitialTime = initialTime;
AssertValidMembers();
InitTemperatureNormalizationField();
Advance(InitialTime);
}
private void InitTemperatureScalingField()
{
double norm = 1.0 / GetTemperatureScalingFieldNormalization();
TemperatureScalingField = new SimpleFireballField(
FireballFieldType.TemperatureScaling,
CoordinateSystem,
(x, y) =>
{
switch (Param.TemperatureProfile)
{
case TemperatureProfile.Ncoll:
return(norm * NumberCollisionsField[x, y]);
case TemperatureProfile.Npart:
return(norm * NumberParticipantsField[x, y]);
case TemperatureProfile.Ncoll13:
return(norm * Math.Pow(NumberCollisionsField[x, y], 1 / 3.0));
case TemperatureProfile.Npart13:
return(norm * Math.Pow(NumberParticipantsField[x, y], 1 / 3.0));
case TemperatureProfile.NmixPHOBOS13:
return(norm * Math.Pow(GetNmixPHOBOS(
NumberCollisionsField[x, y], NumberParticipantsField[x, y]), 1 / 3.0));
case TemperatureProfile.NmixALICE13:
return(norm * Math.Pow(GetNmixALICE(
NumberCollisionsField[x, y], NumberParticipantsField[x, y]), 1 / 3.0));
default:
throw new Exception("Invalid Profile.");
}
});
}
private void InitV()
{
VelocityX = new SimpleFireballField(FireballFieldType.VelocityX, CoordinateSystem);
VelocityY = new SimpleFireballField(FireballFieldType.VelocityY, CoordinateSystem);
}
