A background rescaling that is a simple polynomial in y. More...
#include <fastjet/tools/BackgroundEstimatorBase.hh>
Inheritance diagram for fastjet::BackgroundRescalingYPolynomial:
Collaboration diagram for fastjet::BackgroundRescalingYPolynomial:
Public Member Functions | |
| BackgroundRescalingYPolynomial (double a0=1, double a1=0, double a2=0, double a3=0, double a4=0) | |
| construct a background rescaling polynomial of the form a0 + a1*y + a2*y^2 + a3*y^3 + a4*y^4 More... | |
| virtual double | result (const PseudoJet &jet) const |
| return the rescaling factor associated with this jet More... | |
 Public Member Functions inherited from fastjet::FunctionOfPseudoJet< double > | |
| FunctionOfPseudoJet () | |
| default ctor More... | |
| virtual | ~FunctionOfPseudoJet () |
| default dtor (virtual to allow safe polymorphism) More... | |
| virtual std::string | description () const |
| returns a description of the function (an empty string by default) More... | |
| virtual double | result (const PseudoJet &pj) const=0 |
| the action of the function this has to be overloaded in derived classes More... | |
| double | operator() (const PseudoJet &pj) const |
| apply the function using the "traditional" () operator. More... | |
| std::vector< double > | operator() (const std::vector< PseudoJet > &pjs) const |
| apply the function on a vector of PseudoJet, returning a vector of the results. More... | |
Detailed Description
A background rescaling that is a simple polynomial in y.
Definition at line 412 of file BackgroundEstimatorBase.hh.
Constructor & Destructor Documentation
◆ BackgroundRescalingYPolynomial()
|
inline |
construct a background rescaling polynomial of the form a0 + a1*y + a2*y^2 + a3*y^3 + a4*y^4
The following values give a reasonable reproduction of the Pythia8 tune 4C background shape for pp collisions at sqrt(s)=7TeV:
- a0 = 1.157
- a1 = 0
- a2 = -0.0266
- a3 = 0
- a4 = 0.000048
Definition at line 427 of file BackgroundEstimatorBase.hh.
Member Function Documentation
◆ result()
|
virtual |
return the rescaling factor associated with this jet
Implements fastjet::FunctionOfPseudoJet< double >.
Definition at line 62 of file JetMedianBackgroundEstimator.cc.
The documentation for this class was generated from the following files:
- tools/fastjet/tools/BackgroundEstimatorBase.hh
- tools/JetMedianBackgroundEstimator.cc
