Bremsstrahlung

java.lang.Object
- iceCube.uhe.interactions.Bremsstrahlung

All Implemented Interfaces:

java.io.Serializable, Function
```
public class Bremsstrahlung
extends java.lang.Object
implements Function
```
The Bremsstrahlung involving UHE leptons propagating undergound rock and ice are calculated in this subclass. The class variables Particle, and Point are necessary for the methods described here because the cross section depends on the particle propaty and the medium like Z and A(atomic number).

See Also:
Serialized Form

Constructor Summary

Constructors
Constructor and Description

Bremsstrahlung(Particle p, ParticlePoint s)
Constructor: Register the Particle and ParticlePoint classes

Constructors
Constructor and Description
`Bremsstrahlung(Particle p, ParticlePoint s)` Constructor: Register the Particle and ParticlePoint classes

Method Summary

Methods
Modifier and Type	Method and Description
`double`	`getChargeFactor(double y, int ithSpecies)` Calculate the term which depends on the charge of the propation medium
`double`	`getDSigmaDy(double y)` Differential cross section dsigma/dy [cm^2] y = 1 - Erecoiling/Eincoming -- inelasticity parameter
`double`	`getDSigmaDz(double z)` Differential cross section dsigma/dz [cm^2] z = Erecoiling/Eincoming -- inelasticity parameter
`double`	`getEnergyCut()`
`double`	`getFunction(int functionIndex, double[] parameters, double x)` Method for interface .
`double`	`getIncidentParticleEnergy()`
`double`	`getSigma()` Total cross section [cm^2]
`double`	`getYDSigmaDy(double lowerY, double upperY)` Integral y*dSigma/dy over a given range to obtain the inelasticity distribution.
`double`	`getYmax()`
`double`	`getYmaxCharge(int ithSpecies)`
`double`	`getYmin()` Getting the range of allowed y for a given interaction
`double`	`getZDSigmaDZ(double lowerZ, double upperZ)` Integral z*dSigma/dz over a given range to obtain the inelasticity distribution.
`double`	`integralDSigmaDy(double lowerY, double upperY)` Integral dSigma/dy over a given range to obtain a partial cross section
`double`	`integralDSigmaDz(double lowerZ, double upperZ)` Integral dSigma/dz over a given range to obtain a partial cross section
`java.lang.String`	`interactionName()` Show Name of the Interaction.
`boolean`	`isValidInelasticity(double y)` Checking the range of the given inelasticity y that is determined in an individual interaction channel.
`boolean`	`isValidParticle(Particle p)` Checking the particle kind involved with a given interaction.
`void`	`setEnergyCut(double cutEnergy)` Energy Cut Parameter in integration to obtain the total cross section.
`void`	`setIncidentParticleEnergy(double energy)` Set The incident particle energy [GeV].
`void`	`setIncidentParticleEnergy(int iLogE)`
`void`	`showIntegralErrorMessage(double lowerY, double upperY)` Error message utility

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface numRecipes.Function
getFunction

Constructor Detail
- Bremsstrahlung
```
public Bremsstrahlung(Particle p,
              ParticlePoint s)
```
  Constructor: Register the Particle and ParticlePoint classes

Method Detail

getDSigmaDy
```
public double getDSigmaDy(double y)
```
Differential cross section dsigma/dy [cm^2] y = 1 - Erecoiling/Eincoming -- inelasticity parameter

getChargeFactor
```
public double getChargeFactor(double y,
                     int ithSpecies)
```
Calculate the term which depends on the charge of the propation medium

isValidInelasticity
```
public boolean isValidInelasticity(double y)
```
Checking the range of the given inelasticity y that is determined in an individual interaction channel.

getYmin
```
public double getYmin()
```
Getting the range of allowed y for a given interaction

getYmax
```
public double getYmax()
```

getYmaxCharge

public double getYmaxCharge(int ithSpecies)

isValidParticle
```
public boolean isValidParticle(Particle p)
```
Checking the particle kind involved with a given interaction. Only muon and tauon but not neutrinos and pions are allowed to be involved with the Bremsstrahlung in the medium.

interactionName
```
public java.lang.String interactionName()
```
Show Name of the Interaction. Returns the Sting where the interation name is written.

setIncidentParticleEnergy

public void setIncidentParticleEnergy(double energy)

        Set The incident particle energy [GeV].
        The default value has been given by the constructor
        Interactions( ) with p.getEnergy( ) where p is 
        the Particle class. You might want to set, however,
        a different value such as 
        logE = logEnergyMinimum + deltaLogE*ilogE
        where ilogE is i'th index of the logEnergyMatrix
        in the Particle class p. This method provides you
        with a way to put the incident particle energy.

setIncidentParticleEnergy

public void setIncidentParticleEnergy(int iLogE)

getIncidentParticleEnergy

public double getIncidentParticleEnergy()

getDSigmaDz

public double getDSigmaDz(double z)

        Differential cross section dsigma/dz [cm^2]
        z = Erecoiling/Eincoming -- inelasticity parameter

setEnergyCut
```
public void setEnergyCut(double cutEnergy)
```
Energy Cut Parameter in integration to obtain the total cross section.

getEnergyCut
```
public double getEnergyCut()
```

getSigma
```
public double getSigma()
```
Total cross section [cm^2]

integralDSigmaDy
```
public double integralDSigmaDy(double lowerY,
                      double upperY)
```
Integral dSigma/dy over a given range to obtain a partial cross section

integralDSigmaDz
```
public double integralDSigmaDz(double lowerZ,
                      double upperZ)
```
Integral dSigma/dz over a given range to obtain a partial cross section

getYDSigmaDy
```
public double getYDSigmaDy(double lowerY,
                  double upperY)
```
Integral y*dSigma/dy over a given range to obtain the inelasticity distribution. The energy transfer probability would also require this value.

getZDSigmaDZ
```
public double getZDSigmaDZ(double lowerZ,
                  double upperZ)
```
Integral z*dSigma/dz over a given range to obtain the inelasticity distribution. The energy transfer probability would also require this value. z = 1-y

getFunction

public double getFunction(int functionIndex,
                 double[] parameters,
                 double x)

        Method for interface . 
        Interface the differntial cross sections given here
        to the utility methods such as the Romberg
        Integration code that is desinged for a genereal
        function in form of Func(x).

        functionIndex     1     dsigma/dy
        functionIndex     2     dsigma/dz  z = y-1
        functionIndex     3     y x dsigma/dy 
        functionIndex     4     z x dsigma/dz

Specified by:: getFunction in interface Function

showIntegralErrorMessage

public void showIntegralErrorMessage(double lowerY,
                            double upperY)

Error message utility

Class Bremsstrahlung

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface numRecipes.Function

Constructor Detail

Bremsstrahlung

Method Detail

getDSigmaDy

getChargeFactor

isValidInelasticity

getYmin

getYmax

getYmaxCharge

isValidParticle

interactionName

setIncidentParticleEnergy

setIncidentParticleEnergy

getIncidentParticleEnergy

getDSigmaDz

setEnergyCut

getEnergyCut

getSigma

integralDSigmaDy

integralDSigmaDz

getYDSigmaDy

getZDSigmaDZ

getFunction

showIntegralErrorMessage