Class NuclearPhysics

java.lang.Object

org.episteme.natural.physics.quantum.NuclearPhysics

public class NuclearPhysics
extends Object

Nuclear physics - decay, fission, fusion, binding energy. All calculations performed using arbitrary precision Real numbers.

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
static Real	activity(Real decayConstant, Real numAtoms)	Activity: A = λN
static Real	bindingEnergyPerNucleon(int A, int Z)	Binding energy per nucleon (SEMF)
static Real	criticalMassFactor(Real density, Real crossSection)	Critical mass factor (simplified)
static Real	exactCriticalMass(Real density, Real nu, Real sigmaF, Real sigmaA, Real diffusionCoeff)	Exact critical mass (diffusion approximation for bare sphere)
static Real	fissionEnergy(Real numFissions)	Fission energy (~200 MeV per fission)
static Real	fusionReactionRate(Real density1, Real density2, Real temperature)	D-T fusion reaction rate (simplified)
static Real	halfLife(Real decayConstant)	Half-life: t₁/₂ = ln(2)/λ
static Real	lawsonTripleProduct(Real density, Real confinementTime, Real temperature)	Lawson triple product
static Real	massEnergy(Real mass)	Mass-energy: E = mc²
static Real	multiplicationFactor(Real produced, Real absorbed)	Neutron multiplication factor
static Real	qValue(Real reactantMass, Real productMass)	Q-value: Q = (Σm_reactants - Σm_products)c²
static Real	radioactiveDecay(Real initialAmount, Real decayConstant, Real time)	Radioactive decay: N(t) = N₀e^(-λt)

Methods inherited from class Object

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

Method Details

radioactiveDecay

public static Real radioactiveDecay(Real initialAmount,
 Real decayConstant,
 Real time)

Radioactive decay: N(t) = N₀e^(-λt)

halfLife

public static Real halfLife(Real decayConstant)

Half-life: t₁/₂ = ln(2)/λ

activity

public static Real activity(Real decayConstant,
 Real numAtoms)

Activity: A = λN

massEnergy

public static Real massEnergy(Real mass)

Mass-energy: E = mc²

bindingEnergyPerNucleon

public static Real bindingEnergyPerNucleon(int A,
 int Z)

Binding energy per nucleon (SEMF)

qValue

public static Real qValue(Real reactantMass,
 Real productMass)

Q-value: Q = (Σm_reactants - Σm_products)c²

lawsonTripleProduct

public static Real lawsonTripleProduct(Real density,
 Real confinementTime,
 Real temperature)

Lawson triple product

fissionEnergy

public static Real fissionEnergy(Real numFissions)

Fission energy (~200 MeV per fission)

criticalMassFactor

public static Real criticalMassFactor(Real density,
 Real crossSection)

Critical mass factor (simplified)

exactCriticalMass

public static Real exactCriticalMass(Real density,
 Real nu,
 Real sigmaF,
 Real sigmaA,
 Real diffusionCoeff)

Exact critical mass (diffusion approximation for bare sphere)

multiplicationFactor

public static Real multiplicationFactor(Real produced,
 Real absorbed)

Neutron multiplication factor

fusionReactionRate

public static Real fusionReactionRate(Real density1,
 Real density2,
 Real temperature)

D-T fusion reaction rate (simplified)