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HCALEndcapProperties 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/HCALEndcapProperties.h>

Inheritance diagram for HCALEndcapProperties:

List of all members.

Public Member Functions
	HCALEndcapProperties (const edm::ParameterSet &fastDet)
double	thickness (const double eta) const
	Thickness (in cm), according to a document of 1995. TO be checked.
virtual	~HCALEndcapProperties ()

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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 17 of file HCALEndcapProperties.h.

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Constructor & Destructor Documentation

HCALEndcapProperties::HCALEndcapProperties

(

const edm::ParameterSet &

fastDet

)

[inline]

Definition at line 22 of file HCALEndcapProperties.h.

:HCALProperties(fastDet) {; } 

virtual HCALEndcapProperties::~HCALEndcapProperties

(

)

[inline, virtual]

Definition at line 24 of file HCALEndcapProperties.h.

{ }

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Member Function Documentation

double HCALEndcapProperties::thickness

(

const double

eta

)

const [inline, virtual]

Thickness (in cm), according to a document of 1995. TO be checked.

Implements CalorimeterProperties.

Definition at line 27 of file HCALEndcapProperties.h.

References c, e, e1, e2, funct::exp(), HCALProperties::interactionLength(), and t.

                                           { 

    double e  = std::exp(-eta);
    double e2 = e*e;
    double c  = (1.-e2)/(1.+e2);
    //    double s  = 2.*e/(1.+e2);
    double t  = fabs(2.*e/(1.-e2));
    double feta = fabs(eta);

    if ( 1.440 < feta && feta < 1.550 ) 
      {
        double e1  = std::exp(-1.550);
        double t1  = 2.*e1 /(1.-e1*e1);
        // 388.0 cm is the inner z of HCAL
        return ((10.78*interactionLength()+388.0) * t1/t - 388.0) / fabs(c);
      } 
    else if ( 1.550 <= feta && feta < 3. ) 
      {
        return 10.78 * interactionLength() / fabs(c) ;  
      } 
    else
      {
        return 0.;
      }
  }

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The documentation for this class was generated from the following file:

• FastSimulation/CalorimeterProperties/interface/HCALEndcapProperties.h

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