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GFlashSamplingShowerTuning.hh
Go to the documentation of this file.
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: GFlashSamplingShowerTuning.hh 68057 2013-03-13 14:46:00Z gcosmo $
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//
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//
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//---------------------------------------------------------------
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// GEANT 4 class header file
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//
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// GFlashSamplingShowerTuning
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//
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// Class description:
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//
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// Tuning class for GFlash homogeneous shower parameterisation.
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// Definitions:
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// <t>: shower center of gravity
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// T: Depth at shower maximum
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// Ec: Critical energy
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// X0: Radiation length
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// y = E/Ec
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//
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// Please, see hep-ex/0001020 for details.
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// Author: Joanna Weng - 11.2005
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//---------------------------------------------------------------
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#ifndef GFlashSamplingShowerTuning_hh
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#define GFlashSamplingShowerTuning_hh
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#include "
GVFlashHomoShowerTuning.hh
"
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class
GFlashSamplingShowerTuning
:
public
GVFlashHomoShowerTuning
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{
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public
:
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GFlashSamplingShowerTuning
() {}
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virtual
~GFlashSamplingShowerTuning
() {}
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public
:
// with description
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G4double
ParsAveT1
(){
return
-0.55;}
// t1
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G4double
ParsAveT2
(){
return
-0.69;}
// t2
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// T_sam = log(exp( log T_hom) + t1*Fs-1 + t2*(1-ehat))
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G4double
ParsAveA1
(){
return
-0.476; }
// a1
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// alpha_sam = log(exp(log alphah_hom) +(a1*Fs-1))
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G4double
ParsSigLogT1
(){
return
-2.5;}
// t1
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G4double
ParsSigLogT2
(){
return
1.25;}
// t2
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// std::sqrt(var(ln(T_sam))) = 1/(t+t2*ln(y))
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G4double
ParsSigLogA1
(){
return
-0.82;}
// a1
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G4double
ParsSigLogA2
(){
return
0.79; }
// a2
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// std::sqrt(var(ln(alpha_sam))) = 1/(a1+a2*ln(y))
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G4double
ParsRho1
(){
return
0.784; }
// r1
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G4double
ParsRho2
(){
return
-0.023;}
// r2
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// Correlation(ln(T),ln(alpha))=r1+r2*ln(y)
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// Radial profiles
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// f(r) := (1/dE(t))(dE(t,r)/dr)
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// Ansatz:
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// f(r) = p(2*r*Rc**2)/(r**2+Rc**2)**2+(1-p)*(2*r*Rt**2)/(r**2+Rt**2)**2,
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// 0<p<1
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G4double
ParsRC1
(){
return
-0.0203; }
// c1
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G4double
ParsRC2
(){
return
0.0397; }
// c2
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// Rc_sam = Rc_hom + c1 * (1-ehat) + c2 *Fs-1*exp (-tau)
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G4double
ParsRT1
(){
return
-0.14; }
// t1
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G4double
ParsRT2
(){
return
-0.495; }
// t2
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// Rt_sam = Rc_hom + t1 * (1-ehat) + t2 *Fs-1*exp (-tau)
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G4double
ParsWC1
(){
return
0.348; }
// c1
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G4double
ParsWC2
(){
return
-0.642;}
// c2
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// W_sam = W_hom + (1-ehat)*(c1 + c2 *Fs-1 * exp (- (tau -1 )**2))
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// Fluctuations on radial profiles through number of spots
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// The total number of spots needed for a shower is
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G4double
ParsSpotN1
(){
return
10.3; }
// n1
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G4double
ParsSpotN2
(){
return
0.959;}
// n2
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// Ns = n1*ln(Z)(E/GeV)**n2
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// The number of spots per longitudinal interval is:
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// (1/Ns)(dNs(t)/dt) = f(t)
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// = (beta*t)**(alpha-1)*beta*std::exp(-beta*t)/Gamma(alpha)
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// <t> = alpha_s/beta_s
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// Ts = (alpha_s-1)/beta_s
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// and
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// Ts = T*(t1+t2*Z)
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// alpha_s = alpha*(a1+a2*Z)
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G4double
ParsSpotT1
(){
return
0.813; }
// t1
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G4double
ParsSpotT2
(){
return
0.0019;}
// t2
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G4double
ParsSpotA1
(){
return
0.844; }
//a1
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G4double
ParsSpotA2
(){
return
0.0026;}
//a2
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// Resolution
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G4double
ConstantResolution
(){
return
0.00; }
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G4double
NoiseResolution
() {
return
0.00; }
// not used
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G4double
SamplingResolution
(){
return
0.11; }
// not used
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};
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#endif
GFlashSamplingShowerTuning::ParsRC2
G4double ParsRC2()
Definition:
GFlashSamplingShowerTuning.hh:90
GFlashSamplingShowerTuning::ParsRho1
G4double ParsRho1()
Definition:
GFlashSamplingShowerTuning.hh:79
GVFlashHomoShowerTuning.hh
GFlashSamplingShowerTuning::ParsSpotA2
G4double ParsSpotA2()
Definition:
GFlashSamplingShowerTuning.hh:121
GFlashSamplingShowerTuning::ParsSpotN1
G4double ParsSpotN1()
Definition:
GFlashSamplingShowerTuning.hh:104
GFlashSamplingShowerTuning::ParsRho2
G4double ParsRho2()
Definition:
GFlashSamplingShowerTuning.hh:80
GFlashSamplingShowerTuning::~GFlashSamplingShowerTuning
virtual ~GFlashSamplingShowerTuning()
Definition:
GFlashSamplingShowerTuning.hh:59
GFlashSamplingShowerTuning::ParsRT2
G4double ParsRT2()
Definition:
GFlashSamplingShowerTuning.hh:94
GFlashSamplingShowerTuning::ParsSpotN2
G4double ParsSpotN2()
Definition:
GFlashSamplingShowerTuning.hh:105
GVFlashHomoShowerTuning
Definition:
GVFlashHomoShowerTuning.hh:62
GFlashSamplingShowerTuning::ParsSigLogT1
G4double ParsSigLogT1()
Definition:
GFlashSamplingShowerTuning.hh:71
GFlashSamplingShowerTuning::GFlashSamplingShowerTuning
GFlashSamplingShowerTuning()
Definition:
GFlashSamplingShowerTuning.hh:58
GFlashSamplingShowerTuning::ParsWC1
G4double ParsWC1()
Definition:
GFlashSamplingShowerTuning.hh:97
GFlashSamplingShowerTuning::ParsAveT1
G4double ParsAveT1()
Definition:
GFlashSamplingShowerTuning.hh:64
GFlashSamplingShowerTuning::SamplingResolution
G4double SamplingResolution()
Definition:
GFlashSamplingShowerTuning.hh:127
GFlashSamplingShowerTuning::NoiseResolution
G4double NoiseResolution()
Definition:
GFlashSamplingShowerTuning.hh:126
GFlashSamplingShowerTuning::ParsWC2
G4double ParsWC2()
Definition:
GFlashSamplingShowerTuning.hh:98
GFlashSamplingShowerTuning::ParsSigLogA1
G4double ParsSigLogA1()
Definition:
GFlashSamplingShowerTuning.hh:75
GFlashSamplingShowerTuning::ParsSigLogA2
G4double ParsSigLogA2()
Definition:
GFlashSamplingShowerTuning.hh:76
GFlashSamplingShowerTuning::ParsSpotA1
G4double ParsSpotA1()
Definition:
GFlashSamplingShowerTuning.hh:120
GFlashSamplingShowerTuning::ConstantResolution
G4double ConstantResolution()
Definition:
GFlashSamplingShowerTuning.hh:125
GFlashSamplingShowerTuning::ParsAveA1
G4double ParsAveA1()
Definition:
GFlashSamplingShowerTuning.hh:68
GFlashSamplingShowerTuning
Definition:
GFlashSamplingShowerTuning.hh:54
GFlashSamplingShowerTuning::ParsSigLogT2
G4double ParsSigLogT2()
Definition:
GFlashSamplingShowerTuning.hh:72
GFlashSamplingShowerTuning::ParsAveT2
G4double ParsAveT2()
Definition:
GFlashSamplingShowerTuning.hh:65
G4double
double G4double
Definition:
G4Types.hh:76
GFlashSamplingShowerTuning::ParsSpotT1
G4double ParsSpotT1()
Definition:
GFlashSamplingShowerTuning.hh:117
GFlashSamplingShowerTuning::ParsRT1
G4double ParsRT1()
Definition:
GFlashSamplingShowerTuning.hh:93
GFlashSamplingShowerTuning::ParsSpotT2
G4double ParsSpotT2()
Definition:
GFlashSamplingShowerTuning.hh:118
GFlashSamplingShowerTuning::ParsRC1
G4double ParsRC1()
Definition:
GFlashSamplingShowerTuning.hh:89
geant4.10.00.p01
source
parameterisations
gflash
include
GFlashSamplingShowerTuning.hh
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