CMSCGENnorm Class Reference

#include <CMSCGENnorm.h>

Public Member Functions
	CMSCGENnorm ()
int	events_n100cos (double energy, double theta)
float	norm (int n100cos)
	~CMSCGENnorm ()

Private Attributes
float	flux
int	n
int	n100
int	n100cos
float	Nnorm

Detailed Description

Definition at line 29 of file CMSCGENnorm.h.

Constructor & Destructor Documentation

CMSCGENnorm()

CMSCGENnorm::CMSCGENnorm ( )

inline

Definition at line 39 of file CMSCGENnorm.h.

References n100, and n100cos.

                {
    n100 = 0;
    n100cos = 0;
  }

~CMSCGENnorm()

CMSCGENnorm::~CMSCGENnorm ( )

inline

Definition at line 45 of file CMSCGENnorm.h.

References n100, and n100cos.

                 {
    n100 = 0;
    n100cos = 0;
  }

Member Function Documentation

events_n100cos()

int CMSCGENnorm::events_n100cos	(	double	energy,
		double	theta
	)

Definition at line 13 of file CMSCGENnorm.cc.

References funct::cos(), hcalRecHitTable_cff::energy, n100, n100cos, Pi, and theta().

Referenced by CosmicMuonGenerator::nextEvent(), and CosmicMuonGenerator::terminate().

                                                           {
  if (energy > 99.5 && energy < 100.5) {
    n100 = n100 + 1;

    if (1. - cos(theta) < 1. / (2. * Pi)) {  //theta is in rad
      n100cos = n100cos + 1;
    }
  }
  return n100cos;
}

norm()

float CMSCGENnorm::norm

(

int

n100cos

)

Definition at line 27 of file CMSCGENnorm.cc.

References flux, n, n100cos, and Nnorm.

Referenced by CosmicMuonGenerator::terminate().

                                   {
  flux = 2.63e-3;  // +- 0.06e-3 [1/m**2/sr/GeV/s]

  n = n100cos;  // [1/sr/GeV]

  //rate=N/runtime --> Nnorm ~ (1/runtime/m^2 at surface plane) as rate corresponds to known flux
  Nnorm = flux / n;

  //err of Nnorm = Nnorm* 1/sqrt(n)

  return Nnorm;
}

Member Data Documentation

flux

float CMSCGENnorm::flux

private

Definition at line 34 of file CMSCGENnorm.h.

Referenced by norm().

n

int CMSCGENnorm::n

private

Definition at line 33 of file CMSCGENnorm.h.

Referenced by output.OutputBranch::fill(), and norm().

n100

int CMSCGENnorm::n100

private

Definition at line 31 of file CMSCGENnorm.h.

Referenced by CMSCGENnorm(), events_n100cos(), and ~CMSCGENnorm().

n100cos

int CMSCGENnorm::n100cos

private

Definition at line 32 of file CMSCGENnorm.h.

Referenced by CMSCGENnorm(), events_n100cos(), norm(), and ~CMSCGENnorm().

Nnorm

float CMSCGENnorm::Nnorm

private

Definition at line 35 of file CMSCGENnorm.h.

Referenced by norm().