org.jscience.physics.nuclear.kinematics.nuclear
Class RutherfordScattering

java.lang.Object
  org.jscience.physics.nuclear.kinematics.nuclear.RutherfordScattering

public class RutherfordScattering
extends java.lang.Object

Class for calculating rutherford scattering cross sections in barns.

Field Summary

static UncertainNumber	ALPHA DOCUMENT ME!
static UncertainNumber	E2 DOCUMENT ME!
static double	FM2_TO_BARNS DOCUMENT ME!
static UncertainNumber	HBAR_C DOCUMENT ME!

Constructor Summary

RutherfordScattering(Nucleus beam, Nucleus target, double ebeam, double labangle)
Define a rutherford scattering scenario.

Method Summary

double	getXsection() DOCUMENT ME!
void	setEbeam(double ebeam) Change the beam energy.
void	setLabAngle(double angle) Change the lab angle.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FM2_TO_BARNS

public static final double FM2_TO_BARNS

DOCUMENT ME!

See Also:

Constant Field Values

ALPHA

public static final UncertainNumber ALPHA

DOCUMENT ME!

HBAR_C

public static final UncertainNumber HBAR_C

DOCUMENT ME!

E2

public static final UncertainNumber E2

DOCUMENT ME!

Constructor Detail

RutherfordScattering

public RutherfordScattering(Nucleus beam,
                            Nucleus target,
                            double ebeam,
                            double labangle)
                     throws KinematicsException

Define a rutherford scattering scenario.

Parameters:

beam - nuclear species

target - nuclear species

ebeam - in MeV

labangle - in degrees

Throws:

KinematicsException - for unphysical angles

Method Detail

getXsection

public double getXsection()

DOCUMENT ME!

Returns:

RutherfordScattering differential cross-section in barns/sr

setEbeam

public void setEbeam(double ebeam)
              throws KinematicsException

Change the beam energy.

Parameters:

ebeam - in MeV

Throws:

KinematicsException - if stored lab angle become unphysical

setLabAngle

public void setLabAngle(double angle)
                 throws KinematicsException

Change the lab angle.

Parameters:

angle - in degrees

Throws:

KinematicsException - if the angle is unphysical