File containing LauConstants namespace. More...

#include "Rtypes.h"
#include "TMath.h"

Namespaces
	LauConstants
	Namespace to contain various constants.

Variables
const Double_t	LauConstants::mD = 1.86965
	Mass of charged D (GeV/c^2)

const Double_t	LauConstants::mD0 = 1.86483
	Mass of neutral D (GeV/c^2)

const Double_t	LauConstants::mDs = 1.96834
	Mass of Ds (GeV/c^2)

const Double_t	LauConstants::mB = 5.27934
	Mass of charged B (GeV/c^2)

const Double_t	LauConstants::mB0 = 5.27965
	Mass of neutral B_d (GeV/c^2)

const Double_t	LauConstants::mBs0 = 5.36688
	Mass of neutral B_s (GeV/c^2)

const Double_t	LauConstants::mPi = 0.13957039
	Mass of pi+- (GeV/c^2)

const Double_t	LauConstants::mPi0 = 0.1349768
	Mass of pi0 (GeV/c^2)

const Double_t	LauConstants::mK = 0.493677
	Mass of K+- (GeV/c^2)

const Double_t	LauConstants::mK0 = 0.497611
	Mass of K0 (GeV/c^2)

const Double_t	LauConstants::mEta = 0.547862
	Mass of eta (GeV/c^2)

const Double_t	LauConstants::mEtaPrime = 0.95778
	Mass of eta' (GeV/c^2)

const Double_t	LauConstants::mDSq = mD * mD
	Square of charged D mass.

const Double_t	LauConstants::mD0Sq = mD0 * mD0
	Square of neutral D mass.

const Double_t	LauConstants::mDsSq = mDs * mDs
	Square of Ds mass.

const Double_t	LauConstants::mBSq = mB * mB
	Square of charged B mass.

const Double_t	LauConstants::mB0Sq = mB0 * mB0
	Square of neutral B_d mass.

const Double_t	LauConstants::mBs0Sq = mBs0 * mBs0
	Square of neutral B_s mass.

const Double_t	LauConstants::mPiSq = mPi * mPi
	Square of pi+- mass.

const Double_t	LauConstants::mPi0Sq = mPi0 * mPi0
	Square of pi0 mass.

const Double_t	LauConstants::mKSq = mK * mK
	Square of K+- mass.

const Double_t	LauConstants::mK0Sq = mK0 * mK0
	Square of K0 mass.

const Double_t	LauConstants::mEtaSq = mEta * mEta
	Square of eta mass.

const Double_t	LauConstants::mEtaPrimeSq = mEtaPrime * mEtaPrime
	Square of eta' mass.

const Double_t	LauConstants::tauB = 1.638
	Lifetime of the B+ in ps.

const Double_t	LauConstants::tauB0 = 1.519
	Lifetime of the B0 in ps.

const Double_t	LauConstants::deltaMd = 0.5065
	Mass difference of the B_H and B_L - source PDG via HFLAV 2019.

const Double_t	LauConstants::beta = 22.2 * TMath::DegToRad()
	Angle beta of the unitarity triangle - source PDG via HFLAV 2019.

const Double_t	LauConstants::sin2beta = TMath::Sin( 2.0 * beta )
	Sine of twice the angle beta of the unitarity triangle.

const Double_t	LauConstants::pi = TMath::Pi()
	Pi.

const Double_t	LauConstants::rootPi = TMath::Sqrt( TMath::Pi() )
	Square root of Pi.

const Double_t	LauConstants::twoPi = 2.0 * TMath::Pi()
	Two times Pi.

const Double_t	LauConstants::threePi = 3.0 * TMath::Pi()
	Three times Pi.

const Double_t	LauConstants::sixPi = 6.0 * TMath::Pi()
	Six times Pi.

const Double_t	LauConstants::pim4 = 1.0 / TMath::Power( TMath::Pi(), 0.25 )
	One over Pi to the one-fourth.

const Double_t	LauConstants::piBy2 = 0.5 * TMath::Pi()
	Pi divided by two.

const Double_t	LauConstants::rootPiBy2 = TMath::Sqrt( 0.5 * TMath::Pi() )
	Square root of Pi divided by two.

const Double_t	LauConstants::invPi = 1.0 / TMath::Pi()
	One over Pi.

const Double_t	LauConstants::root2 = TMath::Sqrt( 2.0 )
	Square root of two.

const Double_t	LauConstants::log4 = TMath::Log( 4.0 )
	Logarithm of four.

Detailed Description

File containing LauConstants namespace.

Definition in file LauConstants.hh.

Namespaces

Variables

Detailed Description