CGEM BOSS 6.6.5.i
BESIII Offline Software System
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EvtMelikhovFF Class Reference

#include <EvtMelikhovFF.hh>

+ Inheritance diagram for EvtMelikhovFF:

Public Member Functions

 EvtMelikhovFF (double par1)
 
void getvectorff (EvtId parent, EvtId daught, double t, double mass, double *a1f, double *a2f, double *vf, double *a0f)
 
- Public Member Functions inherited from EvtSemiLeptonicFF
virtual void getscalarff (EvtId parent, EvtId daught, double t, double mass, double *fpf, double *fmf)
 
virtual void gettensorff (EvtId parent, EvtId daught, double t, double mass, double *a1f, double *a2f, double *vf, double *a0f)
 
virtual void getbaryonff (EvtId parent, EvtId daught, double t, double m_meson, double *f1v, double *f1a, double *f2v, double *f2a)
 

Detailed Description

Definition at line 28 of file EvtMelikhovFF.hh.

Constructor & Destructor Documentation

◆ EvtMelikhovFF()

EvtMelikhovFF::EvtMelikhovFF ( double par1)

Definition at line 31 of file EvtMelikhovFF.cc.

31 {
32
33 whichfit = int(arg1+0.1);
34 return;
35}

Member Function Documentation

◆ getvectorff()

void EvtMelikhovFF::getvectorff ( EvtId parent,
EvtId daught,
double t,
double mass,
double * a1f,
double * a2f,
double * vf,
double * a0f )
virtual

Reimplemented from EvtSemiLeptonicFF.

Definition at line 37 of file EvtMelikhovFF.cc.

39 {
40
41 double ma1(0.0),ra1(0.0),na1(0.0);
42 double ma2(0.0),ra2(0.0),na2(0.0);
43 double mv(0.0),rv(0.0),nv(0.0);
44
45 if ( whichfit==1) {
46 ma1 = 7.07;
47 ra1 = 0.27;
48 na1 = 2.65;
49 ma2 = 6.13;
50 ra2 = 0.25;
51 na2 = 2.17;
52 mv = 6.28;
53 rv = 0.30;
54 nv = 2.36;
55 }
56 if ( whichfit==2) {
57 ma1 = 6.78;
58 ra1 = 0.20;
59 na1 = 2.65;
60 ma2 = 6.00;
61 ra2 = 0.19;
62 na2 = 2.34;
63 mv = 6.22;
64 rv = 0.20;
65 nv = 2.46;
66 }
67 if ( whichfit==3) {
68 ma1 = 6.50;
69 ra1 = 0.21;
70 na1 = 2.70;
71 ma2 = 5.90;
72 ra2 = 0.20;
73 na2 = 2.45;
74 mv = 5.90;
75 rv = 0.21;
76 nv = 2.35;
77 }
78 if ( whichfit==4) {
79 ma1 = 5.68;
80 ra1 = 0.29;
81 na1 = 1.67;
82 ma2 = 5.36;
83 ra2 = 0.28;
84 na2 = 1.67;
85 mv = 5.46;
86 rv = 0.29;
87 nv = 1.73;
88 }
89
90 double mb=EvtPDL::getMeanMass(parent);
91 //double w = ((mb*mb)+(mass*mass)-t)/(2.0*mb*mass);
92
93 double melr = mass/mb;
94 double mely = t/(mb*mb);
95
96
97 *a1f = ((1.0+melr*melr-mely)/(1+melr))*ra1/pow(1.0-(t/(ma1*ma1)),na1);
98 *a2f = (1+melr)*((1.0-melr*melr-mely)/((1+melr)*(1+melr)-mely))
99 *ra2/pow(1.0-(t/(ma2*ma2)),na2);
100 *vf = (1+melr)*rv/pow(1.0-(t/(mv*mv)),nv);
101 *a0f = 0.0;
102
103 return;
104 }
double mass
static double getMeanMass(EvtId i)
Definition EvtPDL.hh:45
int t()
Definition t.c:1

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