org.jscience.physics.nuclear.kinematics.nuclear
Class Absorber

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

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

GasAbsorber, SolidAbsorber

public abstract class Absorber
extends java.lang.Object
implements java.io.Serializable

An abstraction of a thickness of material acting as a stopper of energetic ions.

See Also:

Serialized Form

Field Summary

static int	CM DOCUMENT ME!
protected double[]	density Densities in g/cm^3.
protected double[]	fractions Fraction of nuclei that are this species.
static int	MICROGRAM_CM2 Units of thickness, ug/cm^2, mg/cm^2, cm
static int	MIL DOCUMENT ME!
static int	MILLIGRAM_CM2 DOCUMENT ME!
protected double	thickness DOCUMENT ME!
protected int[]	Z DOCUMENT ME!

Constructor Summary

Absorber()

Method Summary

abstract double	getDensity() Returns mass density of absorber in g/cm^3.
int[]	getElements() DOCUMENT ME!
double[]	getFractions() DOCUMENT ME!
abstract Absorber	getNewInstance(double factor) Returns new absorber identical to this one, with thickness multiplied by factor.
abstract double	getThickness() Returns thickness in micrograms/cm^2.
protected double[]	setFractions(double[] fin) DOCUMENT ME!
void	setThickness(double value) DOCUMENT ME!
void	setThickness(double value, int units) DOCUMENT ME!

Methods inherited from class java.lang.Object

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

Field Detail

MICROGRAM_CM2

public static final int MICROGRAM_CM2

Units of thickness, ug/cm^2, mg/cm^2, cm

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Constant Field Values

MILLIGRAM_CM2

public static final int MILLIGRAM_CM2

DOCUMENT ME!

See Also:

Constant Field Values

CM

public static final int CM

DOCUMENT ME!

See Also:

Constant Field Values

MIL

public static final int MIL

DOCUMENT ME!

See Also:

Constant Field Values

Z

protected int[] Z

DOCUMENT ME!

density

protected double[] density

Densities in g/cm^3. (E.g. water would be ~ 1.0).

fractions

protected double[] fractions

Fraction of nuclei that are this species.

thickness

protected double thickness

DOCUMENT ME!

Constructor Detail

Absorber

public Absorber()

Method Detail

getThickness

public abstract double getThickness()

Returns thickness in micrograms/cm^2.

Returns:

DOCUMENT ME!

setFractions

protected double[] setFractions(double[] fin)

DOCUMENT ME!

Parameters:

fin - DOCUMENT ME!

Returns:

DOCUMENT ME!

getElements

public int[] getElements()

DOCUMENT ME!

Returns:

DOCUMENT ME!

getFractions

public double[] getFractions()

DOCUMENT ME!

Returns:

DOCUMENT ME!

setThickness

public void setThickness(double value,
                         int units)

DOCUMENT ME!

Parameters:

value - DOCUMENT ME!

units - DOCUMENT ME!

setThickness

public void setThickness(double value)

DOCUMENT ME!

Parameters:

value - DOCUMENT ME!

getDensity

public abstract double getDensity()

Returns mass density of absorber in g/cm^3.

Returns:

DOCUMENT ME!

getNewInstance

public abstract Absorber getNewInstance(double factor)

Returns new absorber identical to this one, with thickness multiplied by factor.

Parameters:

factor - DOCUMENT ME!

Returns:

DOCUMENT ME!