BOSS 7.0.7
BESIII Offline Software System
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Public Member Functions | List of all members
EvtSVSCPiso Class Reference

#include <EvtSVSCPiso.hh>

+ Inheritance diagram for EvtSVSCPiso:

Public Member Functions

 EvtSVSCPiso ()
 
virtual ~EvtSVSCPiso ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void init ()
 
void initProbMax ()
 
void decay (EvtParticle *p)
 
- Public Member Functions inherited from EvtDecayAmp
void makeDecay (EvtParticle *p)
 
void setWeight (double weight)
 
void vertex (const EvtComplex &amp)
 
void vertex (int i1, const EvtComplex &amp)
 
void vertex (int i1, int i2, const EvtComplex &amp)
 
void vertex (int i1, int i2, int i3, const EvtComplex &amp)
 
void vertex (int *i1, const EvtComplex &amp)
 
virtual ~EvtDecayAmp ()
 
- Public Member Functions inherited from EvtDecayBase
virtual void getName (std::string &name)=0
 
virtual void decay (EvtParticle *p)=0
 
virtual void makeDecay (EvtParticle *p)=0
 
virtual EvtDecayBase * clone ()=0
 
virtual void init ()
 
virtual void initProbMax ()
 
virtual std::string commandName ()
 
virtual void command (std::string cmd)
 
double getProbMax (double prob)
 
double resetProbMax (double prob)
 
 EvtDecayBase ()
 
virtual ~EvtDecayBase ()
 
virtual bool matchingDecay (const EvtDecayBase &other) const
 
EvtId getParentId ()
 
double getBranchingFraction ()
 
void disableCheckQ ()
 
void checkQ ()
 
int getNDaug ()
 
EvtId * getDaugs ()
 
EvtId getDaug (int i)
 
int getNArg ()
 
int getPHOTOS ()
 
void setPHOTOS ()
 
void setVerbose ()
 
void setSummary ()
 
double * getArgs ()
 
std::string * getArgsStr ()
 
double getArg (int j)
 
std::string getArgStr (int j)
 
std::string getModelName ()
 
int getDSum ()
 
int summary ()
 
int verbose ()
 
void saveDecayInfo (EvtId ipar, int ndaug, EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr)
 
void printSummary ()
 
void setProbMax (double prbmx)
 
void noProbMax ()
 
void checkNArg (int a1, int a2=-1, int a3=-1, int a4=-1)
 
void checkNDaug (int d1, int d2=-1)
 
void checkSpinParent (EvtSpinType::spintype sp)
 
void checkSpinDaughter (int d1, EvtSpinType::spintype sp)
 
virtual int nRealDaughters ()
 

Additional Inherited Members

- Static Public Member Functions inherited from EvtDecayBase
static void findMasses (EvtParticle *p, int ndaugs, EvtId daugs[10], double masses[10])
 
static void findMass (EvtParticle *p)
 
static double findMaxMass (EvtParticle *p)
 
- Protected Member Functions inherited from EvtDecayBase
bool daugsDecayedByParentModel ()
 
- Protected Attributes inherited from EvtDecayAmp
EvtAmp _amp2
 
- Protected Attributes inherited from EvtDecayBase
bool _daugsDecayedByParentModel
 

Detailed Description

Definition at line 28 of file EvtSVSCPiso.hh.

Constructor & Destructor Documentation

◆ EvtSVSCPiso()

EvtSVSCPiso::EvtSVSCPiso ( )
inline

Definition at line 32 of file EvtSVSCPiso.hh.

32{}

Referenced by clone().

◆ ~EvtSVSCPiso()

EvtSVSCPiso::~EvtSVSCPiso ( )
virtual

Definition at line 38 of file EvtSVSCPiso.cc.

38{}

Member Function Documentation

◆ clone()

EvtDecayBase * EvtSVSCPiso::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 47 of file EvtSVSCPiso.cc.

47 {
48
49 return new EvtSVSCPiso;
50
51}

◆ decay()

void EvtSVSCPiso::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

Definition at line 109 of file EvtSVSCPiso.cc.

109 {
110
111 //added by Lange Jan4,2000
112 static EvtId B0=EvtPDL::getId("B0");
113 static EvtId B0B=EvtPDL::getId("anti-B0");
114
115 double t;
116 EvtId other_b;
117 int charged(0);
118
119 int first_time=0;
120 int flip=0;
121 EvtId ds[2];
122
123
124//randomly generate the tag (B0 or B0B)
125
126 double tag = EvtRandom::Flat(0.0,1.0);
127 if (tag < 0.5) {
128
129 EvtCPUtil::OtherB(p,t,other_b,1.0);
130 other_b = B0;
131 }
132 else {
133
134 EvtCPUtil::OtherB(p,t,other_b,0.0);
135 other_b = B0B;
136 }
137
138 if (p->getNDaug()==0) first_time=1;
139
140 if (first_time){
141 if (EvtRandom::Flat(0.0,1.0)<getArg(3)) flip=1;
142 }
143 else{
144 if (getDaug(0)!=p->getDaug(0)->getId()) flip=1;
145 }
146
147 if (!flip) {
148 ds[0]=getDaug(0);
149 ds[1]=getDaug(1);
150 }
151 else{
152 ds[0]=EvtPDL::chargeConj(getDaug(0));
153 ds[1]=EvtPDL::chargeConj(getDaug(1));
154 }
155
156 p->initializePhaseSpace(getNDaug(),ds);
157
158 EvtParticle *v,*s;
159 v=p->getDaug(0);
160 s=p->getDaug(1);
161
162 EvtComplex amp;
163
164 EvtComplex A_f,Abar_f;
165 EvtComplex A_fbar,Abar_fbar;
166 EvtComplex Apm, Apm_bar, Amp, Amp_bar;
167
168 EvtComplex Tp0, Tp0_bar, T0p, T0p_bar,Tpm, Tpm_bar, Tmp, Tmp_bar;
169 EvtComplex P1, P1_bar, P0, P0_bar;
170
171 Tp0 = EvtComplex(getArg(3)*cos(getArg(4)),getArg(3)*sin(getArg(4)));
172 Tp0_bar = EvtComplex(getArg(5)*cos(getArg(6)),getArg(5)*sin(getArg(6)));
173 T0p = EvtComplex(getArg(7)*cos(getArg(8)),getArg(7)*sin(getArg(8)));
174 T0p_bar = EvtComplex(getArg(9)*cos(getArg(10)),getArg(9)*sin(getArg(10)));
175 Tpm = EvtComplex(getArg(11)*cos(getArg(12)),getArg(11)*sin(getArg(12)));
176 Tpm_bar = EvtComplex(getArg(13)*cos(getArg(14)),getArg(13)*sin(getArg(14)));
177 Tmp = EvtComplex(getArg(15)*cos(getArg(16)),getArg(15)*sin(getArg(16)));
178 Tmp_bar = EvtComplex(getArg(17)*cos(getArg(18)),getArg(17)*sin(getArg(18)));
179 P0 = EvtComplex(getArg(19)*cos(getArg(20)),getArg(19)*sin(getArg(20)));
180 P0_bar = EvtComplex(getArg(21)*cos(getArg(22)),getArg(21)*sin(getArg(22)));
181 P1 = EvtComplex(getArg(23)*cos(getArg(24)),getArg(23)*sin(getArg(24)));
182 P1_bar = EvtComplex(getArg(25)*cos(getArg(26)),getArg(25)*sin(getArg(26)));
183
184
185//***********************charged modes****************************
186
187 if ((EvtPDL::chg3(getDaug(0)) > 0 ) && (EvtPDL::chg3(getDaug(1)) == 0)) {
188
189//V+ S0, so T+0 + 2 P1
190
191 charged = 1;
192 A_f = Tp0 + 2.0*P1;
193 }
194
195 if ((EvtPDL::chg3(getDaug(0)) < 0 ) && (EvtPDL::chg3(getDaug(1)) == 0)) {
196
197//V- S0, so T+0_bar + 2P1_bar
198
199 charged = 1;
200 A_f = Tp0_bar + 2.0*P1_bar;
201 }
202
203 if ((EvtPDL::chg3(getDaug(0)) == 0 ) && (EvtPDL::chg3(getDaug(1)) > 0)) {
204
205//V0 S+, so T0+ - 2 P1
206
207 charged = 1;
208 A_f = T0p - 2.0*P1;
209 }
210
211 if ((EvtPDL::chg3(getDaug(0)) == 0 ) && (EvtPDL::chg3(getDaug(1)) < 0)) {
212
213//V0 S-, so T0+_bar - 2 P1_bar
214
215 charged = 1;
216 A_f = T0p_bar - 2.0*P1_bar;
217 }
218
219
220//***********************neutral modes***************************
221
222
223//V+ S-, so Af = T+- + P1 + P0
224Apm = Tpm + P1 + P0;
225Apm_bar = Tpm_bar + P1_bar + P0_bar;
226
227//V- S+, so Af = T-+ - P1 + P0
228Amp = Tmp - P1 + P0;
229Amp_bar = Tmp_bar - P1_bar + P0;
230
231
232 if ((EvtPDL::chg3(getDaug(0)) > 0 ) && (EvtPDL::chg3(getDaug(1)) < 0)) {
233
234//V+ S-
235 charged = 0;
236 A_f = Apm;
237 Abar_f = Apm_bar;
238 A_fbar = Amp;
239 Abar_fbar = Amp_bar;
240
241 }
242
243 if ((EvtPDL::chg3(getDaug(0)) < 0 ) && (EvtPDL::chg3(getDaug(1)) > 0)) {
244
245//V- S+
246 charged = 0;
247 A_f = Amp;
248 Abar_f = Amp_bar;
249 A_fbar = Apm;
250 Abar_fbar = Apm_bar;
251
252 }
253
254 if ((EvtPDL::chg3(getDaug(0)) == 0 ) && (EvtPDL::chg3(getDaug(1)) == 0)) {
255
256//V0 S0
257 charged = 0;
258 A_f = T0p + Tp0 - Tpm - Tmp - 2.0*P0 ;
259 Abar_f = T0p_bar + Tp0_bar - Tpm_bar - Tmp_bar - 2.0*P0_bar;
260 A_fbar = A_f;
261 Abar_fbar = Abar_f;
262
263 }
264
265if (charged==0) {
266
267 if (!flip) {
268 if (other_b==B0B){
269
270 amp=A_f*cos(getArg(1)*t/(2*EvtConst::c))+
271 EvtComplex(cos(-2.0*getArg(0)),sin(-2.0*getArg(0)))*
272 EvtComplex(0.0,1.0)*Abar_f*sin(getArg(1)*t/(2*EvtConst::c));
273 }
274 if (other_b==B0){
275
276 amp=A_f*EvtComplex(cos(2.0*getArg(0)),sin(2.0*getArg(0)))*
277 EvtComplex(0.0,1.0)*sin(getArg(1)*t/(2*EvtConst::c))+
278 Abar_f*cos(getArg(1)*t/(2*EvtConst::c));
279 }
280 }
281 else{
282 if (other_b==B0B){
283
284 amp=A_fbar*cos(getArg(1)*t/(2*EvtConst::c))+
285 EvtComplex(cos(-2.0*getArg(0)),sin(-2.0*getArg(0)))*
286 EvtComplex(0.0,1.0)*Abar_fbar*sin(getArg(1)*t/(2*EvtConst::c));
287 }
288 if (other_b==B0){
289
290 amp=A_fbar*EvtComplex(cos(2.0*getArg(0)),sin(2.0*getArg(0)))*
291 EvtComplex(0.0,1.0)*sin(getArg(1)*t/(2*EvtConst::c))+
292 Abar_fbar*cos(getArg(1)*t/(2*EvtConst::c));
293 }
294 }
295
296}
297else amp = A_f;
298
299 EvtVector4R p4_parent;
300
301 p4_parent=v->getP4()+s->getP4();
302
303 double norm=1.0/v->getP4().d3mag();
304
305 vertex(0,amp*norm*p4_parent*(v->epsParent(0)));
306 vertex(1,amp*norm*p4_parent*(v->epsParent(1)));
307 vertex(2,amp*norm*p4_parent*(v->epsParent(2)));
308
309 return ;
310}
sin
double sin(const BesAngle a)
Definition: BesAngle.h:210
cos
double cos(const BesAngle a)
Definition: BesAngle.h:213
s
XmlRpcServer s
Definition: HelloServer.cpp:11
v
**********Class see also m_nmax DOUBLE PRECISION m_amel DOUBLE PRECISION m_x2 DOUBLE PRECISION m_alfinv DOUBLE PRECISION m_Xenph INTEGER m_KeyWtm INTEGER m_idyfs DOUBLE PRECISION m_zini DOUBLE PRECISION m_q2 DOUBLE PRECISION m_Wt_KF DOUBLE PRECISION m_WtCut INTEGER m_KFfin *COMMON c_KarLud $ !Input CMS energy[GeV] $ !CMS energy after beam spread beam strahlung[GeV] $ !Beam energy spread[GeV] $ !z boost due to beam spread $ !electron beam mass *ff pair spectrum $ !minimum v
Definition: KarLud.h:35
t
TTree * t
Definition: binning.cxx:23
EvtCPUtil::OtherB
static void OtherB(EvtParticle *p, double &t, EvtId &otherb)
Definition: EvtCPUtil.cc:229
EvtConst::c
static const double c
Definition: EvtConst.hh:32
EvtDecayAmp::vertex
void vertex(const EvtComplex &amp)
Definition: EvtDecayAmp.hh:37
EvtDecayBase::getArg
double getArg(int j)
Definition: EvtDecayBase.cc:564
EvtDecayBase::getDaug
EvtId getDaug(int i)
Definition: EvtDecayBase.hh:66
EvtId
Definition: EvtId.hh:27
EvtPDL::chargeConj
static EvtId chargeConj(EvtId id)
Definition: EvtPDL.cc:208
EvtPDL::chg3
static int chg3(EvtId i)
Definition: EvtPDL.hh:60
EvtPDL::getId
static EvtId getId(const std::string &name)
Definition: EvtPDL.cc:287
EvtParticle::getId
EvtId getId() const
Definition: EvtParticle.cc:113
EvtParticle::getNDaug
int getNDaug() const
Definition: EvtParticle.cc:125
EvtParticle::getDaug
EvtParticle * getDaug(int i)
Definition: EvtParticle.cc:85
EvtParticle::initializePhaseSpace
double initializePhaseSpace(int numdaughter, EvtId *daughters, double poleSize=-1., int whichTwo1=0, int whichTwo2=1)
Definition: EvtParticle.cc:1071
EvtRandom::Flat
static double Flat()
Definition: EvtRandom.cc:74

◆ getName()

void EvtSVSCPiso::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

Definition at line 40 of file EvtSVSCPiso.cc.

40 {
41
42 model_name="SVS_CP_ISO";
43
44}

◆ init()

void EvtSVSCPiso::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 53 of file EvtSVSCPiso.cc.

53 {
54
55 // check that there are 26 arguments
56 checkNArg(26);
57 checkNDaug(2);
58
59 checkSpinParent(EvtSpinType::SCALAR);
60
61 checkSpinDaughter(0,EvtSpinType::VECTOR);
62 checkSpinDaughter(1,EvtSpinType::SCALAR);
63
64}
EvtDecayBase::checkSpinDaughter
void checkSpinDaughter(int d1, EvtSpinType::spintype sp)
Definition: EvtDecayBase.cc:533
EvtDecayBase::checkSpinParent
void checkSpinParent(EvtSpinType::spintype sp)
Definition: EvtDecayBase.cc:520
EvtDecayBase::checkNDaug
void checkNDaug(int d1, int d2=-1)
Definition: EvtDecayBase.cc:504
EvtDecayBase::checkNArg
void checkNArg(int a1, int a2=-1, int a3=-1, int a4=-1)
Definition: EvtDecayBase.cc:482

◆ initProbMax()

void EvtSVSCPiso::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 67 of file EvtSVSCPiso.cc.

67 {
68
69//this might need some revision..
70
71if ((EvtPDL::chg3(getDaug(0)) > 0) && (EvtPDL::chg3(getDaug(1)) == 0)) {
72 setProbMax(2.0*(getArg(3)*getArg(3) + 4.0*getArg(23)*getArg(23)));
73}
74
75if ((EvtPDL::chg3(getDaug(0)) < 0) && (EvtPDL::chg3(getDaug(1)) == 0)) {
76 setProbMax(2.0*(getArg(5)*getArg(5) + 4.0*getArg(25)*getArg(25)));
77}
78
79if ((EvtPDL::chg3(getDaug(0)) == 0) && (EvtPDL::chg3(getDaug(1)) > 0)) {
80 setProbMax(2.0*(getArg(7)*getArg(7) + 4.0*getArg(23)*getArg(23)));
81}
82
83if ((EvtPDL::chg3(getDaug(0)) == 0) && (EvtPDL::chg3(getDaug(1)) < 0)) {
84 setProbMax(2.0*(getArg(9)*getArg(9) + 4.0*getArg(25)*getArg(25)));
85}
86
87if ((EvtPDL::chg3(getDaug(0)) > 0) && (EvtPDL::chg3(getDaug(1)) < 0)) {
88 setProbMax(2.0*(getArg(11)*getArg(11) + getArg(23)*getArg(23) +
89 getArg(19)*getArg(19) + getArg(13)*getArg(13) +
90 getArg(25)*getArg(25) + getArg(21)*getArg(21)));
91}
92
93if ((EvtPDL::chg3(getDaug(0)) < 0) && (EvtPDL::chg3(getDaug(1)) > 0)) {
94 setProbMax(2.0*(getArg(15)*getArg(15) + getArg(23)*getArg(23) +
95 getArg(19)*getArg(19) + getArg(17)*getArg(17) +
96 getArg(25)*getArg(25) + getArg(21)*getArg(21)));
97}
98
99if ((EvtPDL::chg3(getDaug(0)) == 0) && (EvtPDL::chg3(getDaug(1)) == 0)) {
100 setProbMax(2.0*(getArg(7)*getArg(7) + getArg(3)*getArg(3) + getArg(11)*getArg(11) +
101 getArg(15)*getArg(15) + 4.0*getArg(19)*getArg(19) + getArg(9)*getArg(9)+
102 getArg(5)*getArg(5) + getArg(13)*getArg(13) + getArg(17)*getArg(17) +
103 4.0*getArg(21)*getArg(21)));
104}
105
106}
EvtDecayBase::setProbMax
void setProbMax(double prbmx)
Definition: EvtDecayBase.cc:297
The documentation for this class was generated from the following files: