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/*
 * @(#)PhysicalConstants.java        6.0.0    2024-05-19
 *
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package org.mariuszgromada.math.mxparser.mathcollection;

/**
 * PhysicalConstants - class representing the most important physical constants.
 *
 * @author         Mariusz Gromada

 *                 MathParser.org - mXparser project page

 *                 mXparser on GitHub

 *                 INFIMA place to purchase a commercial MathParser.org-mXparser software license

 *                 [email protected]

 *                 ScalarMath.org - a powerful math engine and math scripting language

 *                 Scalar Lite

 *                 Scalar Pro

 *                 MathSpace.pl

 *
 * @version        5.0.0
 */
public final class PhysicalConstants {
	/**
	 * Light speed
	 */
	public static final double LIGHT_SPEED = 299792458.0 * Units.METRE_PER_SECOND;
	/**
	 * Gravitational constant
	 */
	public static final double GRAVITATIONAL_CONSTANT = 6.67408E-11 * Units.METRE3 * (1.0 / Units.KILOGRAM) * (1.0 / (Units.SECOND * Units.SECOND)) ;
	/**
	 * Gravitational acceleration - Earth (normal)
	 */
	public static final double GRAVIT_ACC_EARTH = 9.80665 * Units.METRE_PER_SECOND2;
	/**
	 * Planck constant
	 */
	public static final double PLANCK_CONSTANT = 6.626070040E-34 * Units.METRE2 * Units.KILOGRAM / Units.SECOND;
	/**
	 * Reduced Planck constant
	 */
	public static final double PLANCK_CONSTANT_REDUCED = PLANCK_CONSTANT / (2 * MathConstants.PI);
	/**
	 * Planck length
	 */
	public static final double PLANCK_LENGTH = 1.616229E-35 * Units.METRE;
	/**
	 * Planck mass
	 */
	public static final double PLANCK_MASS = 2.176470E-8 * Units.KILOGRAM;
	/**
	 * Planck time
	 */
	public static final double PLANCK_TIME = 5.39116E-44 * Units.SECOND;
	/**
	 * Avagadro's constant
	 */
	public static final double N_A = 6.022140857E23 / Units.MOLE;
	/**
	 * Gas constant
	 */
	public static final double R = 8.3144598 * Units.JOULE / (Units.KELVIN * Units.MOLE);
	/**
	 * Boltzmann constant
	 */
	public static final double BOLTZMANN_CONSTANT = R / N_A;
	/**
	 * Neutron rest mass
	 */
	public static final double NEUTRON_REST_MASS = 1.674927471E-27 * Units.KILOGRAM;
	/**
	 * Neutron equivalent rest mass
	 */
	public static final double NEUTRON_EQUIVALENT_REST_MASS = 939.5654133 * Units.MEGA_ELECTRONO_VOLT / (LIGHT_SPEED * LIGHT_SPEED);
	/**
	 * Proton rest mass
	 */
	public static final double PROTON_REST_MASS = 1.672621898E-27 * Units.KILOGRAM;
	/**
	 * Proton equivalent rest mass
	 */
	public static final double PROTON_EQUIVALENT_REST_MASS = 938.2720813 * Units.MEGA_ELECTRONO_VOLT / (LIGHT_SPEED * LIGHT_SPEED);
	/**
	 * Elementary charge
	 */
	public static final double ELEMENTARY_CHARGE = 1.6021766208E-19*Units.COULOMB;
	/**
	 * Electron rest mass
	 */
	public static final double ELECTRON_REST_MASS = 9.10938356E-31 * Units.KILOGRAM;
	/**
	 * Electron equivalent rest mass
	 */
	public static final double ELECTRON_EQUIVALENT_REST_MASS = 0.5109989461 * Units.MEGA_ELECTRONO_VOLT / (LIGHT_SPEED * LIGHT_SPEED);
	/**
	 * Vacuum permittivity
	 */
	public static final double VACUUM_PERMITTIVITY = 8.854187817E-12 * Units.AMPERE * Units.AMPERE * Units.SECOND * Units.SECOND * Units.SECOND * Units.SECOND / (Units.METRE3 * Units.KILOGRAM);
	/**
	 * Vacuum permeability
	 */
	public static final double VACUUM_PERMEABILITY = 4.0E-7 * Math.PI * Units.KILOGRAM * Units.METRE / (Units.SECOND * Units.SECOND * Units.AMPERE * Units.AMPERE);
}