Set of constants used in Elegent calculations. More...

#include <Constants.h>

Public Member Functions
	Constants (double W=0., ParticleMode mode=mPP)

void	Configure (double W, ParticleMode mode)
	Configure the constants. More...

void	Print ()
	print the actual values

Static Public Member Functions
static void	Init (double W, ParticleMode mode)
	initilize new instance of Constants and save its pointer to the `cnts' global variable. More...

Public Attributes
double	sqrt_s
	sqrt_s / GeV

double	s
	s / GeV^2

double	ln_s
	ln(s / GeV^2)

double	p_cms
	particle CMS impuls

double	sig_fac
	d sig/dt = sig_fac * \|A\|^2

double	t_min
	negative

enum Elegent::Constants::ParticleMode	pMode

Static Public Attributes
static double	alpha = 7.297E-3
	fine structure constant

static double	proton_mass = 0.938271
	GeV.

static double	neutron_mass = 0.939565
	GeV.

static double	hbarc = 0.197326
	GeV * fm.

static double	sq_hbarc = 0.389379
	GeV^2 * mbarn sigma/mbarn = sigma/GeV^-2 * sq_hbarc.

static double	M = proton_mass
	abbreviation for proton mass in GeV

static double	M_sq = proton_mass * proton_mass
	proton mass squared, GeV^2

static double	kappa = 1.793
	the anomalous magnetic moment of proton

static double	pi = M_PI
	pi

static double	gamma = 0.577215
	Euler's constant.

Detailed Description

Set of constants used in Elegent calculations.

Member Function Documentation

void Elegent::Constants::Configure	(	double	W,
		Constants::ParticleMode	mode
	)

Configure the constants.

Parameters

W = sqrt(s)

static

initilize new instance of Constants and save its pointer to the `cnts' global variable.

Parameters

W = sqrt(s)

The documentation for this struct was generated from the following files: