CMS 3D CMS Logo

HCALForwardProperties Class Reference

Functions to return atomic properties of the material A_eff and Z_eff are computed as the A-weighted sums of the A's and the Z's of Pb, W and O. More...

#include <FastSimulation/CalorimeterProperties/interface/HCALForwardProperties.h>

Inheritance diagram for HCALForwardProperties:

HCALProperties CalorimeterProperties

List of all members.

Public Member Functions

 HCALForwardProperties (const edm::ParameterSet &fastDet)
double interactionLength () const
 Interaction length in cm.
double radLenIncm () const
 Radiation length in cm.
double radLenIngcm2 () const
 Radiation length in g/cm^2.
double thickness (double eta) const
 Thickness (in cm) of the homegeneous material as a function of rapidity.
virtual ~HCALForwardProperties ()

Static Public Member Functions

static double radiationLengthIncm ()
 Radiation length in cm but static.

Detailed Description

Functions to return atomic properties of the material A_eff and Z_eff are computed as the A-weighted sums of the A's and the Z's of Pb, W and O.

Author:
Patrick Janot
Date:
: 25-Jan-2004

Definition at line 21 of file HCALForwardProperties.h.

Constructor & Destructor Documentation

HCALForwardProperties::HCALForwardProperties ( const edm::ParameterSet &  fastDet  )  [inline]

Definition at line 26 of file HCALForwardProperties.h.

00026 :HCALProperties(fastDet) {; }

virtual HCALForwardProperties::~HCALForwardProperties (  )  [inline, virtual]

Definition at line 28 of file HCALForwardProperties.h.

00028 { }

Member Function Documentation

double HCALForwardProperties::interactionLength (  )  const [inline, virtual]

Interaction length in cm.

Reimplemented from HCALProperties.

Definition at line 40 of file HCALForwardProperties.h.

00040 { return 15.05; }

static double HCALForwardProperties::radiationLengthIncm (  )  [inline, static]

Radiation length in cm but static.

Reimplemented from HCALProperties.

Definition at line 34 of file HCALForwardProperties.h.

Referenced by radLenIncm().

00034 { return 1.43; }

double HCALForwardProperties::radLenIncm (  )  const [inline, virtual]

Radiation length in cm.

Reimplemented from HCALProperties.

Definition at line 31 of file HCALForwardProperties.h.

References radiationLengthIncm().

00031 { return radiationLengthIncm(); }

double HCALForwardProperties::radLenIngcm2 (  )  const [inline, virtual]

Radiation length in g/cm^2.

Reimplemented from HCALProperties.

Definition at line 37 of file HCALForwardProperties.h.

00037 { return 12.86; }

double HCALForwardProperties::thickness ( double  eta  )  const [inline, virtual]

Thickness (in cm) of the homegeneous material as a function of rapidity.

Implements CalorimeterProperties.

Definition at line 42 of file HCALForwardProperties.h.

References e, e2, and funct::exp().

00043     { 
00044       double e  = std::exp(-eta);
00045       double e2 = e*e;
00046       // 1 / cos theta
00047       double cinv  = (1.+e2)/(1.-e2);
00048       //    double c  = (1.-e2)/(1.+e2);
00049       //    double s  = 2.*e/(1.+e2);
00050       //    double t  = 2.*e/(1.-e2);
00051        double feta = fabs(eta);
00052        if ( 3 < feta && feta < 5 ) 
00053       {
00054         return 165. * fabs(cinv); 
00055       }
00056     else
00057       {
00058         return 0;
00059       }
00060     }

The documentation for this class was generated from the following file:
Generated on Tue Jun 9 18:23:41 2009 for CMSSW by  doxygen 1.5.4