lightHiggs Class Reference

More...

#include <lightHiggs.h>

Inherits ThObservable.

Inherited by ggF_tth_htobb, ggF_tth_htogaga, ggF_tth_htotautau, ggF_tth_htoWW, ggF_tth_htoZZ, VBF_Vh_htobb, VBF_Vh_htogaga, VBF_Vh_htotautau, VBF_Vh_htoWW, and VBF_Vh_htoZZ.

Collaboration diagram for lightHiggs:
[legend]

Detailed Description

Author
HEPfit Collaboration

The squared relative \(\gamma \gamma\) and \(Z\gamma\) couplings are calculated at one-loop following [85].

Definition at line 25 of file lightHiggs.h.

Public Member Functions

void computeSignalStrengthQuantities ()
 
double computeThValue ()
 Empty function. More...
 
 lightHiggs (const StandardModel &SM_i)
 
double THDM_BR_h_bb ()
 THDM branching ratio of \(h\to b \bar b\). More...
 
double THDM_BR_h_gaga ()
 THDM branching ratio of \(h\to \gamma \gamma\). More...
 
double THDM_BR_h_tautau ()
 THDM branching ratio of \(h\to \tau \tau\). More...
 
virtual ~lightHiggs ()
 
- Public Member Functions inherited from ThObservable
double getBinMax ()
 A get method to get the maximum value of the bin. More...
 
double getBinMin ()
 A get method to get the minimum value of the bin. More...
 
const StandardModelgetModel ()
 A get method to get the model. More...
 
void setBinMax (double max)
 A set method to set the maximum value of the bin. More...
 
void setBinMin (double min)
 A set method to set the minimum value of the bin. More...
 
 ThObservable (const StandardModel &SM_i)
 Constructor. More...
 
 ThObservable (const ThObservable &orig)
 The copy constructor. More...
 
virtual ~ThObservable ()
 The default destructor. More...
 

Protected Attributes

double BrSM_htobb
 SM branching ratio of \(h\to b \bar b\). More...
 
double BrSM_htogaga
 SM branching ratio of \(h\to \gamma \gamma\). More...
 
double BrSM_htotautau
 SM branching ratio of \(h\to \tau \tau\). More...
 
double ggF_tth
 Ratio of THDM and SM cross sections for ggF and tth production of h. More...
 
double rh_gaga
 Squared relative coupling of \(h\) to two photons. More...
 
double rh_ll
 Squared relative coupling of \(h\) to two charged leptons. More...
 
double rh_QdQd
 Squared relative coupling of \(h\) to two down type quarks. More...
 
double rh_VV
 Squared relative coupling of \(h\) to two massive vector bosons. More...
 
double sumModBRs
 Sum of the modified branching ratios. More...
 
double VBF_Vh
 Ratio of THDM and SM cross sections for VBF and Vh production of h. More...
 
- Protected Attributes inherited from ThObservable
double max
 the bin maximum. More...
 
double min
 The bin minimum. More...
 
const StandardModelSM
 A reference to an object of StandardMode class. More...
 

Private Attributes

const StandardModelmySM
 
const THDMmyTHDM
 
double rh_gg
 Squared relative coupling of \(h\) to two gluons. More...
 
double rh_QuQu
 Squared relative coupling of \(h\) to two up type quarks. More...
 
double rh_Zga
 Squared relative coupling of \(h\) to a \(Z\) boson and a photon. More...
 

Constructor & Destructor Documentation

lightHiggs::lightHiggs ( const StandardModel SM_i)

Definition at line 12 of file lightHiggs.cpp.

12  :
13 
14  ThObservable(SM_i),
15  myTHDM(static_cast<const THDM*> (&SM_i)),
16  mySM (SM_i)
17 {}
const StandardModel & mySM
Definition: lightHiggs.h:124
ThObservable(const StandardModel &SM_i)
Constructor.
Definition: ThObservable.h:29
const THDM * myTHDM
Definition: lightHiggs.h:123
lightHiggs::~lightHiggs ( )
virtual

Definition at line 19 of file lightHiggs.cpp.

20 {}

Member Function Documentation

void lightHiggs::computeSignalStrengthQuantities ( )

Definition at line 22 of file lightHiggs.cpp.

23 {
24 
25  THDMfunctions myfunctions(mySM);
26 
27  double Mu=myTHDM->getQuarks(QCD::UP).getMass();
28  double Md=myTHDM->getQuarks(QCD::DOWN).getMass();
29  double Mc=myTHDM->getQuarks(QCD::CHARM).getMass();
30  double Ms=myTHDM->getQuarks(QCD::STRANGE).getMass();
31  double Mt=myTHDM->getQuarks(QCD::TOP).getMass();
32  double Mb=myTHDM->getQuarks(QCD::BOTTOM).getMass();
36  double MZ=myTHDM->getMz();
37  double MW=myTHDM->Mw();
38  double vev=myTHDM->v();
39  double sW2=myTHDM->sW2();
40  double cW2=myTHDM->cW2();
41  double mHl=myTHDM->getMHl();
42  double mHp=myTHDM->getmHp();
43  double m12_2=myTHDM->getm12_2();
44  double sin_ba=myTHDM->getsin_ba();
45  double sina=myTHDM->getsina();
46  double cosa=myTHDM->getcosa();
47  double sinb=myTHDM->getsinb();
48  double cosb=myTHDM->getcosb();
49  double cos_bpa=cosb*cosa-sinb*sina;
50 
51  //The Standard Model h branching ratios
52 
56  double BrSM_htoWW = myTHDM->computeBrHtoWW();
57  double BrSM_htoZZ = myTHDM->computeBrHtoZZ();
58  double BrSM_htogg = myTHDM->computeBrHtogg();
59  double BrSM_htoZga = myTHDM->computeBrHtoZga();
60  double BrSM_htocc = myTHDM->computeBrHtocc();
61 
62  //The ggH cross section in the SM.
63  double SigmaggF = myTHDM->computeSigmaggH(8.0);
64  //The square of the top-quark contribution to the ggH cross section in the SM
65  double Sigmaggh_tt = myTHDM->computeSigmaggH_tt(8.0);
66  //The square of the bottom-quark contribution to the ggH cross section in the SM
67  double Sigmaggh_bb = myTHDM->computeSigmaggH_bb(8.0);
68  //The ttH production cross section in the SM
69  double Sigmatth = myTHDM->computeSigmattH(8.0);
70  //The VBF cross section in the SM
71  //double SigmaVBF = myTHDM->computeSigmaVBF(8.0);
72  //The WH production cross section in the SM
73  //double SigmaWh = myTHDM->computeSigmaWH(8.0);
74  //The ZH production cross section in the SM
75  //double SigmaZh = myTHDM->computeSigmaZH(8.0);
76  //double SigmaVh = SigmaWh + SigmaZh;
77 
78  /* r_ii is the ratio of the squared 2HDM vertex coupling of h to
79  * the particle i and the respective squared SM coupling.*/
80  rh_QuQu=cosa*cosa/(sinb*sinb);
81  rh_VV=sin_ba*sin_ba;
82  rh_QdQd=0.0;//It depends on the modelType
83  rh_ll=0.0;//It depends on the modelType
84  rh_gg=0.0;//It depends on the modelType
85 
86  //Calulation of rh_gg, rh_QdQd, rh_ll, rh_gaga, rh_Zga (depending on the model type): START
87 
88  //rh_gaga formula = abs(I_h_F+I_h_W+I_h_Hp)^2 / abs(I_hSM_F+I_hSM_W)^2
89 
90  double TAUu=4.0*Mu*Mu/(mHl*mHl);
91  double TAUc=4.0*Mc*Mc/(mHl*mHl);
92  double TAUt=4.0*Mt*Mt/(mHl*mHl);
93  double TAUd=4.0*Md*Md/(mHl*mHl);
94  double TAUs=4.0*Ms*Ms/(mHl*mHl);
95  double TAUb=4.0*Mb*Mb/(mHl*mHl);
96  double TAUe=4.0*Me*Me/(mHl*mHl);
97  double TAUmu=4.0*Mmu*Mmu/(mHl*mHl);
98  double TAUtau=4.0*Mtau*Mtau/(mHl*mHl);
99  double TAUw=4.0*MW*MW/(mHl*mHl);
100  double TAUhp=4.0*mHp*mHp/(mHl*mHl);
101 //
102  gslpp::complex I_h_F=0.0;//It depends on the modelType
103  gslpp::complex fermU=-(8./3.)*(TAUu*(1+(1-TAUu)*myfunctions.f_func(TAUu))
104  +TAUc*(1+(1-TAUc)*myfunctions.f_func(TAUc))+TAUt*(1+(1-TAUt)*myfunctions.f_func(TAUt)));
105  gslpp::complex fermD=-(2./3.)*(TAUd*(1+(1-TAUd)*myfunctions.f_func(TAUd))
106  +TAUs*(1+(1-TAUs)*myfunctions.f_func(TAUs))+TAUb*(1+(1-TAUb)*myfunctions.f_func(TAUb)));
107  gslpp::complex fermL=-2.*(TAUe*(1+(1-TAUe)*myfunctions.f_func(TAUe))
108  +TAUmu*(1+(1-TAUmu)*myfunctions.f_func(TAUmu))
109  +TAUtau*(1+(1-TAUtau)*myfunctions.f_func(TAUtau)));
110  gslpp::complex I_hSM_W=2.0 + 3.0*TAUw + 3.0*TAUw*(2.0-TAUw)*myfunctions.f_func(TAUw);
111  gslpp::complex I_h_W=sin_ba*I_hSM_W;
112  double ghHpHm = ((mHl*mHl -2.0*mHp*mHp)*sin_ba
113  -(mHl*mHl -m12_2/(cosb*sinb))/(cosb*sinb)*cos_bpa)/vev;
114  gslpp::complex I_h_Hp=-TAUhp*(1.0-TAUhp*myfunctions.f_func(TAUhp))*vev/(2.*mHp*mHp)*ghHpHm;
115 
116  double ABSgagaTHDM=0.0;
117  double ABSgagaSM=0.0;
118 
119  //rh_Zga formula = abs(A_h_F+A_h_W+A_h_Hp)^2 / abs(A_hSM_F+A_hSM_W)^2
120 
121  double LAMu=4.0*Mu*Mu/(MZ*MZ);
122  double LAMc=4.0*Mc*Mc/(MZ*MZ);
123  double LAMt=4.0*Mt*Mt/(MZ*MZ);
124  double LAMd=4.0*Md*Md/(MZ*MZ);
125  double LAMs=4.0*Ms*Ms/(MZ*MZ);
126  double LAMb=4.0*Mb*Mb/(MZ*MZ);
127  double LAMe=4.0*Me*Me/(MZ*MZ);
128  double LAMmu=4.0*Mmu*Mmu/(MZ*MZ);
129  double LAMtau=4.0*Mtau*Mtau/(MZ*MZ);
130  double LAMw=4.0*MW*MW/(MZ*MZ);
131  double LAMhp=4.0*mHp*mHp/(MZ*MZ);
132 
133  gslpp::complex A_h_F = 0.0;//It depends on the modelType
134  gslpp::complex A_h_U = -4.0*(1.0/2.0-4.0/3.0*sW2)*(myfunctions.Int1(TAUu,LAMu)+myfunctions.Int1(TAUc,LAMc)
135  +myfunctions.Int1(TAUt,LAMt)-myfunctions.Int2(TAUu,LAMu)-myfunctions.Int2(TAUc,LAMc)-myfunctions.Int2(TAUt,LAMt));
136  gslpp::complex A_h_D = +2.0*(-1.0/2.0+2.0/3.0*sW2)*(myfunctions.Int1(TAUd,LAMd)+myfunctions.Int1(TAUs,LAMs)
137  +myfunctions.Int1(TAUb,LAMb)-myfunctions.Int2(TAUd,LAMd)-myfunctions.Int2(TAUs,LAMs)-myfunctions.Int2(TAUb,LAMb));
138  gslpp::complex A_h_L = +2.0*(-1.0/2.0+2.0*sW2)*(myfunctions.Int1(TAUe,LAMe)+myfunctions.Int1(TAUmu,LAMmu)
139  +myfunctions.Int1(TAUtau,LAMtau)-myfunctions.Int2(TAUe,LAMe)-myfunctions.Int2(TAUmu,LAMmu)
140  -myfunctions.Int2(TAUtau,LAMtau));
141  gslpp::complex A_hSM_W = -sqrt(cW2/sW2)*(4*(3-sW2/cW2)*myfunctions.Int2(TAUw,LAMw)
142  +((1.0+2.0/TAUw)*sW2/cW2-(5.0+2.0/TAUw))*myfunctions.Int1(TAUw,LAMw));
143  gslpp::complex A_h_W = sin_ba*A_hSM_W;
144  gslpp::complex A_h_Hp = ghHpHm*(1-2.0*sW2)/sqrt(cW2*sW2)*myfunctions.Int1(TAUhp,LAMhp)
145  *vev/(2.*mHp*mHp);
146 
147  double ABSZgaTHDM=0.0;
148  double ABSZgaSM=0.0;
149 
150  std::string modelflag=myTHDM->getModelTypeflag();
151 
152  if( modelflag == "type1" ) {
153  rh_gg=cosa/sinb*cosa/sinb;
154  rh_QdQd=cosa/sinb*cosa/sinb;
155  rh_ll=cosa/sinb*cosa/sinb;
156  I_h_F=cosa/sinb*(fermU+fermD+fermL);
157  A_h_F = cosa/sinb*(A_h_U+A_h_D+A_h_L)/sqrt(sW2*cW2);
158  }
159  else if( modelflag == "type2" ) {
160  rh_gg=-cosa/sinb*sina/cosb+(cosa/sinb+sina/cosb)
161  *(Sigmaggh_tt*cosa/sinb+Sigmaggh_bb*sina/cosb)/SigmaggF;
162  rh_QdQd=sina/cosb*sina/cosb;
163  rh_ll=sina/cosb*sina/cosb;
164  I_h_F=cosa/sinb*fermU -sina/cosb*(fermD+fermL);
165  A_h_F = (cosa/sinb*A_h_U-sina/cosb*(A_h_D+A_h_L))/sqrt(sW2*cW2);
166  }
167  else if( modelflag == "typeX" ) {
168  rh_gg=cosa/sinb*cosa/sinb;
169  rh_QdQd=cosa/sinb*cosa/sinb;
170  rh_ll=sina/cosb*sina/cosb;
171  I_h_F = cosa/sinb*(fermU+fermD) -sina/cosb*fermL;
172  A_h_F = (cosa/sinb*(A_h_U+A_h_D)-sina/cosb*A_h_L)/sqrt(sW2*cW2);
173  }
174  else if( modelflag == "typeY" ) {
175  rh_gg=-cosa/sinb*sina/cosb+(cosa/sinb+sina/cosb)
176  *(Sigmaggh_tt*cosa/sinb+Sigmaggh_bb*sina/cosb)/SigmaggF;
177  rh_QdQd=sina/cosb*sina/cosb;
178  rh_ll=cosa/sinb*cosa/sinb;
179  I_h_F = cosa/sinb*(fermU+fermL) -sina/cosb*fermD;
180  A_h_F = (cosa/sinb*(A_h_U+A_h_L)-sina/cosb*A_h_D)/sqrt(sW2*cW2);
181  }
182  else {
183  throw std::runtime_error("modelflag can be only any of \"type1\", \"type2\", \"typeX\" or \"typeY\"");
184  }
185 
186  ABSgagaTHDM=(I_h_F+I_h_W+I_h_Hp).abs2();
187  ABSgagaSM=(fermU+fermL+fermD+I_h_W).abs2();
188  rh_gaga=ABSgagaTHDM/ABSgagaSM;
189 
190  ABSZgaTHDM=(A_h_F+A_h_W+A_h_Hp).abs2();
191  ABSZgaSM=(A_h_U+A_h_L+A_h_D+A_hSM_W).abs2();
192  rh_Zga=ABSZgaTHDM/ABSZgaSM;
193 
194  //Calulation of rh_gg, rh_QdQd, rh_ll, rh_gaga, rh_Zga (they depend on the model type): END
195 
196  /* ggF_tth is the ratio of the THDM and SM cross sections for ggF or tth production */
197  ggF_tth = (SigmaggF*rh_gg + Sigmatth*rh_QuQu)/(SigmaggF + Sigmatth);
198  /* VBF_Vh is the ratio of the THDM and SM cross sections for VBF or Vh production */
199  VBF_Vh = rh_VV;
200 
201  sumModBRs = rh_QdQd*BrSM_htobb + rh_VV*(BrSM_htoWW+BrSM_htoZZ) + rh_ll*BrSM_htotautau +
202  rh_gaga*BrSM_htogaga + rh_gg*BrSM_htogg + rh_Zga*BrSM_htoZga + rh_QuQu*BrSM_htocc;
203 }
double rh_ll
Squared relative coupling of to two charged leptons.
Definition: lightHiggs.h:95
double sumModBRs
Sum of the modified branching ratios.
Definition: lightHiggs.h:120
double getm12_2() const
Definition: THDM.h:278
double VBF_Vh
Ratio of THDM and SM cross sections for VBF and Vh production of h.
Definition: lightHiggs.h:114
virtual double sW2(const double Mw_i) const
The square of the sine of the weak mixing angle in the on-shell scheme, denoted as ...
double getsina() const
Definition: THDM.h:222
double getsinb() const
Definition: THDM.h:182
Particle getLeptons(const StandardModel::lepton p) const
A get method to retrieve the member object of a lepton.
double getsin_ba() const
Definition: THDM.h:206
double computeSigmaggH_tt(const double sqrt_s) const
The square of the top-quark contribution to the ggH cross section in the Standard Model...
double BrSM_htogaga
SM branching ratio of .
Definition: lightHiggs.h:69
double BrSM_htotautau
SM branching ratio of .
Definition: lightHiggs.h:75
double getcosb() const
Definition: THDM.h:190
double computeBrHtoWW() const
The Br in the Standard Model.
Definition: QCD.h:731
double computeBrHtoZZ() const
The Br in the Standard Model.
double computeSigmattH(const double sqrt_s) const
The ttH production cross section in the Standard Model.
double computeBrHtobb() const
The Br in the Standard Model.
Definition: QCD.h:735
double computeSigmaggH_bb(const double sqrt_s) const
The square of the bottom-quark contribution to the ggH cross section in the Standard Model...
virtual double Mw() const
The SM prediction for the -boson mass in the on-shell scheme, .
double computeBrHtogg() const
The Br in the Standard Model.
virtual double v() const
The Higgs vacuum expectation value. where is the Fermi constant, measured through muon decays...
double computeBrHtotautau() const
The Br in the Standard Model.
double ggF_tth
Ratio of THDM and SM cross sections for ggF and tth production of h.
Definition: lightHiggs.h:108
const StandardModel & mySM
Definition: lightHiggs.h:124
double rh_QdQd
Squared relative coupling of to two down type quarks.
Definition: lightHiggs.h:82
Definition: QCD.h:732
double rh_Zga
Squared relative coupling of to a boson and a photon.
Definition: lightHiggs.h:138
Particle getQuarks(const quark q) const
A get method to access a quark as an object of the type Particle.
Definition: QCD.h:869
double computeBrHtoZga() const
The Br in the Standard Model.
double rh_gg
Squared relative coupling of to two gluons.
Definition: lightHiggs.h:131
double rh_QuQu
Squared relative coupling of to two up type quarks.
Definition: lightHiggs.h:144
const double & getMass() const
A get method to access the particle mass.
Definition: Particle.h:61
double computeSigmaggH(const double sqrt_s) const
The ggH cross section in the Standard Model.
double computeBrHtocc() const
The Br in the Standard Model.
virtual double cW2(const double Mw_i) const
The square of the cosine of the weak mixing angle in the on-shell scheme, denoted as ...
double BrSM_htobb
SM branching ratio of .
Definition: lightHiggs.h:63
A class for defining operations on and functions of complex numbers.
Definition: gslpp_complex.h:35
double getMHl() const
A get method to retrieve the Higgs mass .
double rh_VV
Squared relative coupling of to two massive vector bosons.
Definition: lightHiggs.h:88
double rh_gaga
Squared relative coupling of to two photons.
Definition: lightHiggs.h:102
double computeBrHtogaga() const
The Br in the Standard Model.
double getcosa() const
Definition: THDM.h:214
const THDM * myTHDM
Definition: lightHiggs.h:123
double getmHp() const
Definition: THDM.h:270
double getMz() const
A get method to access the mass of the boson .
std::string getModelTypeflag() const
Definition: THDM.h:158
complex sqrt(const complex &z)
double lightHiggs::computeThValue ( )
virtual

Empty function.

Implements ThObservable.

Reimplemented in VBF_Vh_htogaga, VBF_Vh_htoZZ, VBF_Vh_htotautau, VBF_Vh_htoWW, VBF_Vh_htobb, ggF_tth_htogaga, ggF_tth_htoZZ, ggF_tth_htotautau, ggF_tth_htoWW, and ggF_tth_htobb.

Definition at line 205 of file lightHiggs.cpp.

206 {
207  return 0;
208 }
double lightHiggs::THDM_BR_h_bb ( )

THDM branching ratio of \(h\to b \bar b\).

Returns
\(BR{\text THDM}(h\to b \bar b)\)

This is also needed for the \(H\to hh\) decay.

Definition at line 210 of file lightHiggs.cpp.

211 {
214 }
double sumModBRs
Sum of the modified branching ratios.
Definition: lightHiggs.h:120
double rh_QdQd
Squared relative coupling of to two down type quarks.
Definition: lightHiggs.h:82
void computeSignalStrengthQuantities()
Definition: lightHiggs.cpp:22
double BrSM_htobb
SM branching ratio of .
Definition: lightHiggs.h:63
double lightHiggs::THDM_BR_h_gaga ( )

THDM branching ratio of \(h\to \gamma \gamma\).

Returns
\(BR{\text THDM}(h\to \gamma \gamma)\)

This is also needed for the \(H\to hh\) decay.

Definition at line 216 of file lightHiggs.cpp.

217 {
220 }
double sumModBRs
Sum of the modified branching ratios.
Definition: lightHiggs.h:120
double BrSM_htogaga
SM branching ratio of .
Definition: lightHiggs.h:69
void computeSignalStrengthQuantities()
Definition: lightHiggs.cpp:22
double rh_gaga
Squared relative coupling of to two photons.
Definition: lightHiggs.h:102
double lightHiggs::THDM_BR_h_tautau ( )

THDM branching ratio of \(h\to \tau \tau\).

Returns
\(BR{\text THDM}(h\to \tau \tau)\)

This is also needed for the \(H\to hh\) decay.

Definition at line 222 of file lightHiggs.cpp.

223 {
226 }
double rh_ll
Squared relative coupling of to two charged leptons.
Definition: lightHiggs.h:95
double sumModBRs
Sum of the modified branching ratios.
Definition: lightHiggs.h:120
double BrSM_htotautau
SM branching ratio of .
Definition: lightHiggs.h:75
void computeSignalStrengthQuantities()
Definition: lightHiggs.cpp:22

Member Data Documentation

double lightHiggs::BrSM_htobb
protected

SM branching ratio of \(h\to b \bar b\).

Returns
\(BR{\text SM}(h\to b \bar b)\)

Definition at line 63 of file lightHiggs.h.

double lightHiggs::BrSM_htogaga
protected

SM branching ratio of \(h\to \gamma \gamma\).

Returns
\(BR{\text SM}(h\to \gamma \gamma)\)

Definition at line 69 of file lightHiggs.h.

double lightHiggs::BrSM_htotautau
protected

SM branching ratio of \(h\to \tau \tau\).

Returns
\(BR{\text SM}(h\to \tau \tau)\)

Definition at line 75 of file lightHiggs.h.

double lightHiggs::ggF_tth
protected

Ratio of THDM and SM cross sections for ggF and tth production of h.

Returns
\(\sigma^{\text THDM}_{\text ggF+tth}/\sigma^{\text SM}_{\text ggF+tth}\)

Definition at line 108 of file lightHiggs.h.

const StandardModel& lightHiggs::mySM
private

Definition at line 124 of file lightHiggs.h.

const THDM* lightHiggs::myTHDM
private

Definition at line 123 of file lightHiggs.h.

double lightHiggs::rh_gaga
protected

Squared relative coupling of \(h\) to two photons.

Returns
\(r^{(h)}_{\gamma \gamma}\)

Depends on the type of \(Z_2\) symmetry.

Definition at line 102 of file lightHiggs.h.

double lightHiggs::rh_gg
private

Squared relative coupling of \(h\) to two gluons.

Returns
\(r^{(h)}_{gg}\)

Depends on the type of \(Z_2\) symmetry.

Definition at line 131 of file lightHiggs.h.

double lightHiggs::rh_ll
protected

Squared relative coupling of \(h\) to two charged leptons.

Returns
\(r^{(h)}_{\ell \ell}\)

Depends on the type of \(Z_2\) symmetry.

Definition at line 95 of file lightHiggs.h.

double lightHiggs::rh_QdQd
protected

Squared relative coupling of \(h\) to two down type quarks.

Returns
\(r^{(h)}_{Q_dQ_d}\)

Depends on the type of \(Z_2\) symmetry.

Definition at line 82 of file lightHiggs.h.

double lightHiggs::rh_QuQu
private

Squared relative coupling of \(h\) to two up type quarks.

Returns
\(r^{(h)}_{Q_uQ_u}\)

Definition at line 144 of file lightHiggs.h.

double lightHiggs::rh_VV
protected

Squared relative coupling of \(h\) to two massive vector bosons.

Returns
\(r^{(h)}_{WW}=r^{(h)}_{ZZ}\)

Definition at line 88 of file lightHiggs.h.

double lightHiggs::rh_Zga
private

Squared relative coupling of \(h\) to a \(Z\) boson and a photon.

Returns
\(r^{(h)}_{Z\gamma}\)

Depends on the type of \(Z_2\) symmetry.

Definition at line 138 of file lightHiggs.h.

double lightHiggs::sumModBRs
protected

Sum of the modified branching ratios.

Returns
\(\sum _i r^{(h)}_{i} BR^{\text SM}(h\to i)\)

Definition at line 120 of file lightHiggs.h.

double lightHiggs::VBF_Vh
protected

Ratio of THDM and SM cross sections for VBF and Vh production of h.

Returns
\(\sigma^{\text THDM}_{\text VBF+Vh}/\sigma^{\text SM}_{\text VBF+Vh}\)

Definition at line 114 of file lightHiggs.h.


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