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genie::RSHelicityAmpl Class Reference

A class holding the Rein-Sehgal's helicity amplitudes. More...

#include <RSHelicityAmpl.h>

Public Member Functions

 RSHelicityAmpl ()
 RSHelicityAmpl (const RSHelicityAmpl &hamp)
 ~RSHelicityAmpl ()
double AmpMinus1 (void) const
 return helicity amplitude
double AmpPlus1 (void) const
double AmpMinus3 (void) const
double AmpPlus3 (void) const
double Amp0Minus (void) const
double Amp0Plus (void) const
double Amp2Minus1 (void) const
 return |helicity amplitude|^2
double Amp2Plus1 (void) const
double Amp2Minus3 (void) const
double Amp2Plus3 (void) const
double Amp20Minus (void) const
double Amp20Plus (void) const
void Print (ostream &stream) const

Private Member Functions

void Init (void)

Private Attributes

double fMinus1
double fPlus1
double fMinus3
double fPlus3
double f0Minus
double f0Plus

Friends

class RSHelicityAmplModelCC
class RSHelicityAmplModelNCp
class RSHelicityAmplModelNCn
class RSHelicityAmplModelEMp
class RSHelicityAmplModelEMn
ostream & operator<< (ostream &stream, const RSHelicityAmpl &hamp)

Detailed Description

A class holding the Rein-Sehgal's helicity amplitudes. 

     This class is using the \b Strategy Pattern. \n
     It can accept requests to calculate itself, for a given interaction,
     that it then delegates to the algorithmic object, implementing the
     RSHelicityAmplModelI interface, that it finds attached to itself.
Author
Costas Andreopoulos <c.andreopoulos \at cern.ch> University of Liverpool
Created:\n May 03, 2004
License:\n Copyright (c) 2003-2025, The GENIE Collaboration
For the full text of the license visit http://copyright.genie-mc.org

Definition at line 40 of file RSHelicityAmpl.h.

Constructor & Destructor Documentation

◆ RSHelicityAmpl() [1/2]

RSHelicityAmpl::RSHelicityAmpl ( )

Definition at line 25 of file RSHelicityAmpl.cxx.

26{
27 this->Init();
28}

References Init().

Referenced by operator<<, RSHelicityAmpl(), and RSHelicityAmplModelEMn.

◆ RSHelicityAmpl() [2/2]

RSHelicityAmpl::RSHelicityAmpl ( const RSHelicityAmpl & hamp)

Definition at line 30 of file RSHelicityAmpl.cxx.

31{
32 fMinus1 = hamp.AmpMinus1();
33 fPlus1 = hamp.AmpPlus1();
34 fMinus3 = hamp.AmpMinus3();
35 fPlus3 = hamp.AmpPlus3();
36 f0Minus = hamp.Amp0Minus();
37 f0Plus = hamp.Amp0Plus();
38}
genie::RSHelicityAmpl::Amp0Minus
double Amp0Minus(void) const
Definition RSHelicityAmpl.h:59
genie::RSHelicityAmpl::AmpPlus3
double AmpPlus3(void) const
Definition RSHelicityAmpl.h:58
genie::RSHelicityAmpl::Amp0Plus
double Amp0Plus(void) const
Definition RSHelicityAmpl.h:60
genie::RSHelicityAmpl::AmpPlus1
double AmpPlus1(void) const
Definition RSHelicityAmpl.h:56
genie::RSHelicityAmpl::AmpMinus3
double AmpMinus3(void) const
Definition RSHelicityAmpl.h:57
genie::RSHelicityAmpl::AmpMinus1
double AmpMinus1(void) const
return helicity amplitude
Definition RSHelicityAmpl.h:55

References Amp0Minus(), Amp0Plus(), AmpMinus1(), AmpMinus3(), AmpPlus1(), AmpPlus3(), f0Minus, f0Plus, fMinus1, fMinus3, fPlus1, fPlus3, and RSHelicityAmpl().

◆ ~RSHelicityAmpl()

genie::RSHelicityAmpl::~RSHelicityAmpl ( )
inline

Definition at line 52 of file RSHelicityAmpl.h.

52{ }

Member Function Documentation

◆ Amp0Minus()

double genie::RSHelicityAmpl::Amp0Minus ( void ) const
inline

Definition at line 59 of file RSHelicityAmpl.h.

59{ return f0Minus; } /* f(0-) */

References f0Minus.

Referenced by RSHelicityAmpl(), and genie::MKSPPPXSec2020::XSec().

◆ Amp0Plus()

double genie::RSHelicityAmpl::Amp0Plus ( void ) const
inline

Definition at line 60 of file RSHelicityAmpl.h.

60{ return f0Plus; } /* f(0+) */

References f0Plus.

Referenced by RSHelicityAmpl(), and genie::MKSPPPXSec2020::XSec().

◆ Amp20Minus()

double genie::RSHelicityAmpl::Amp20Minus ( void ) const
inline

Definition at line 67 of file RSHelicityAmpl.h.

67{ return TMath::Power(f0Minus, 2.); } /* |f(0-)|^2 */

References f0Minus.

Referenced by genie::BSKLNBaseRESPXSec2014::XSec(), and genie::ReinSehgalRESPXSec::XSec().

◆ Amp20Plus()

double genie::RSHelicityAmpl::Amp20Plus ( void ) const
inline

Definition at line 68 of file RSHelicityAmpl.h.

68{ return TMath::Power(f0Plus, 2.); } /* |f(0+)|^2 */

References f0Plus.

Referenced by genie::BSKLNBaseRESPXSec2014::XSec(), and genie::ReinSehgalRESPXSec::XSec().

◆ Amp2Minus1()

double genie::RSHelicityAmpl::Amp2Minus1 ( void ) const
inline

return |helicity amplitude|^2

Definition at line 63 of file RSHelicityAmpl.h.

63{ return TMath::Power(fMinus1, 2.); } /* |f(-1)|^2 */

References fMinus1.

Referenced by genie::BSKLNBaseRESPXSec2014::XSec(), and genie::ReinSehgalRESPXSec::XSec().

◆ Amp2Minus3()

double genie::RSHelicityAmpl::Amp2Minus3 ( void ) const
inline

Definition at line 65 of file RSHelicityAmpl.h.

65{ return TMath::Power(fMinus3, 2.); } /* |f(-3)|^2 */

References fMinus3.

Referenced by genie::BSKLNBaseRESPXSec2014::XSec(), and genie::ReinSehgalRESPXSec::XSec().

◆ Amp2Plus1()

double genie::RSHelicityAmpl::Amp2Plus1 ( void ) const
inline

Definition at line 64 of file RSHelicityAmpl.h.

64{ return TMath::Power(fPlus1, 2.); } /* |f(+1)|^2 */

References fPlus1.

Referenced by genie::BSKLNBaseRESPXSec2014::XSec(), and genie::ReinSehgalRESPXSec::XSec().

◆ Amp2Plus3()

double genie::RSHelicityAmpl::Amp2Plus3 ( void ) const
inline

Definition at line 66 of file RSHelicityAmpl.h.

66{ return TMath::Power(fPlus3, 2.); } /* |f(+3)|^2 */

References fPlus3.

Referenced by genie::BSKLNBaseRESPXSec2014::XSec(), and genie::ReinSehgalRESPXSec::XSec().

◆ AmpMinus1()

double genie::RSHelicityAmpl::AmpMinus1 ( void ) const
inline

return helicity amplitude

Definition at line 55 of file RSHelicityAmpl.h.

55{ return fMinus1; } /* f(-1) */

References fMinus1.

Referenced by RSHelicityAmpl(), and genie::MKSPPPXSec2020::XSec().

◆ AmpMinus3()

double genie::RSHelicityAmpl::AmpMinus3 ( void ) const
inline

Definition at line 57 of file RSHelicityAmpl.h.

57{ return fMinus3; } /* f(-3) */

References fMinus3.

Referenced by RSHelicityAmpl(), and genie::MKSPPPXSec2020::XSec().

◆ AmpPlus1()

double genie::RSHelicityAmpl::AmpPlus1 ( void ) const
inline

Definition at line 56 of file RSHelicityAmpl.h.

56{ return fPlus1; } /* f(+1) */

References fPlus1.

Referenced by RSHelicityAmpl(), and genie::MKSPPPXSec2020::XSec().

◆ AmpPlus3()

double genie::RSHelicityAmpl::AmpPlus3 ( void ) const
inline

Definition at line 58 of file RSHelicityAmpl.h.

58{ return fPlus3; } /* f(+3) */

References fPlus3.

Referenced by RSHelicityAmpl(), and genie::MKSPPPXSec2020::XSec().

◆ Init()

void RSHelicityAmpl::Init ( void )
private

Definition at line 51 of file RSHelicityAmpl.cxx.

52{
53 fMinus1 = 0.0;
54 fPlus1 = 0.0;
55 fMinus3 = 0.0;
56 fPlus3 = 0.0;
57 f0Minus = 0.0;
58 f0Plus = 0.0;
59}

References f0Minus, f0Plus, fMinus1, fMinus3, fPlus1, and fPlus3.

Referenced by RSHelicityAmpl().

◆ Print()

void RSHelicityAmpl::Print ( ostream & stream) const

Definition at line 40 of file RSHelicityAmpl.cxx.

41{
42 stream << endl;
43 stream << " f(-1) = " << fMinus1 << endl;
44 stream << " f(+1) = " << fPlus1 << endl;
45 stream << " f(-3) = " << fMinus3 << endl;
46 stream << " f(+3) = " << fPlus3 << endl;
47 stream << " f(0-) = " << f0Minus << endl;
48 stream << " f(0+) = " << f0Plus << endl;
49}

References f0Minus, f0Plus, fMinus1, fMinus3, fPlus1, and fPlus3.

Referenced by operator<<.

◆ operator<<

ostream & operator<< ( ostream & stream,
const RSHelicityAmpl & hamp )
friend

Definition at line 18 of file RSHelicityAmpl.cxx.

19 {
20 hamp.Print(stream);
21 return stream;
22 }
genie::RSHelicityAmpl::Print
void Print(ostream &stream) const
Definition RSHelicityAmpl.cxx:40

References Print(), and RSHelicityAmpl().

◆ RSHelicityAmplModelCC

friend class RSHelicityAmplModelCC
friend

Definition at line 42 of file RSHelicityAmpl.h.

References RSHelicityAmplModelCC.

Referenced by RSHelicityAmplModelCC.

◆ RSHelicityAmplModelEMn

friend class RSHelicityAmplModelEMn
friend

Definition at line 46 of file RSHelicityAmpl.h.

References RSHelicityAmpl(), and RSHelicityAmplModelEMn.

Referenced by RSHelicityAmplModelEMn.

◆ RSHelicityAmplModelEMp

friend class RSHelicityAmplModelEMp
friend

Definition at line 45 of file RSHelicityAmpl.h.

References RSHelicityAmplModelEMp.

Referenced by RSHelicityAmplModelEMp.

◆ RSHelicityAmplModelNCn

friend class RSHelicityAmplModelNCn
friend

Definition at line 44 of file RSHelicityAmpl.h.

References RSHelicityAmplModelNCn.

Referenced by RSHelicityAmplModelNCn.

◆ RSHelicityAmplModelNCp

friend class RSHelicityAmplModelNCp
friend

Definition at line 43 of file RSHelicityAmpl.h.

References RSHelicityAmplModelNCp.

Referenced by RSHelicityAmplModelNCp.

Member Data Documentation

◆ f0Minus

double genie::RSHelicityAmpl::f0Minus
private

Definition at line 82 of file RSHelicityAmpl.h.

Referenced by Amp0Minus(), Amp20Minus(), Init(), Print(), and RSHelicityAmpl().

◆ f0Plus

double genie::RSHelicityAmpl::f0Plus
private

Definition at line 83 of file RSHelicityAmpl.h.

Referenced by Amp0Plus(), Amp20Plus(), Init(), Print(), and RSHelicityAmpl().

◆ fMinus1

double genie::RSHelicityAmpl::fMinus1
private

Definition at line 78 of file RSHelicityAmpl.h.

Referenced by Amp2Minus1(), AmpMinus1(), Init(), Print(), and RSHelicityAmpl().

◆ fMinus3

double genie::RSHelicityAmpl::fMinus3
private

Definition at line 80 of file RSHelicityAmpl.h.

Referenced by Amp2Minus3(), AmpMinus3(), Init(), Print(), and RSHelicityAmpl().

◆ fPlus1

double genie::RSHelicityAmpl::fPlus1
private

Definition at line 79 of file RSHelicityAmpl.h.

Referenced by Amp2Plus1(), AmpPlus1(), Init(), Print(), and RSHelicityAmpl().

◆ fPlus3

double genie::RSHelicityAmpl::fPlus3
private

Definition at line 81 of file RSHelicityAmpl.h.

Referenced by Amp2Plus3(), AmpPlus3(), Init(), Print(), and RSHelicityAmpl().

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