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LEP2TwoFermions Class Reference
EW

A class for cross sections and forward-backward asymmetries of \(e^+e^-\to f \bar{f}\) above the \(Z\) pole. More...

#include <LEP2TwoFermions.h>

Detailed Description

A class for cross sections and forward-backward asymmetries of \(e^+e^-\to f \bar{f}\) above the \(Z\) pole.

Author
HEPfit Collaboration
Copyright
GNU General Public License

Definition at line 21 of file LEP2TwoFermions.h.

Public Member Functions

double AFB_l (const QCD::lepton l, const double mf, const double s, const double Mw, const double GammaZ, const bool bWeak) const
 
double AFB_q (const QCD::quark q, const double mf, const double s, const double Mw, const double GammaZ, const bool bWeak) const
 
double dsigma_l (const QCD::lepton l, const double mf, const double s, const double cosTheta, const double Mw, const double GammaZ, const bool bWeak) const
 
double dsigma_l_box (const QCD::lepton l, const double mf, const double s, const double cosTheta, const double Mw, const double GammaZ) const
 
double dsigma_q (const QCD::quark q, const double mf, const double s, const double cosTheta, const double Mw, const double GammaZ, const bool bWeak) const
 
double dsigma_q_box (const QCD::quark q, const double mf, const double s, const double cosTheta, const double Mw, const double GammaZ) const
 
double G_3prime_l (const QCD::lepton l, const double mf, const double s, const double Mw, const double GammaZ, const bool bWeak) const
 
double G_3prime_q (const QCD::quark q, const double mf, const double s, const double Mw, const double GammaZ, const bool bWeak) const
 
double H_ISR (const double x, const double s) const
 
double H_ISR_FB (const double x, const double s) const
 
 LEP2TwoFermions (const StandardModel &SM_i)
 LEP2TwoFermions constructor. More...
 
double QCD_FSR_forAFB (const QCD::quark q, const double mf, const double s) const
 
double QCD_FSR_forSigma (const double s) const
 
double QED_FSR_forSigma (const double s, const double Qf) const
 
double sigma_l (const QCD::lepton l, const double mf, const double s, const double Mw, const double GammaZ, const bool bWeak) const
 
double sigma_q (const QCD::quark q, const double mf, const double s, const double Mw, const double GammaZ, const bool bWeak) const
 

Private Member Functions

double AFB (const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWeak) const
 
double alpha_at_s (const double s) const
 
double dsigma (const double s, const double cosTheta, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const double Ncf, const bool bWeak) const
 
double dsigma_box (const double s, const double cosTheta, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const double Ncf) const
 
double sigma (const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const double Ncf, const bool bWeak) const
 

Private Attributes

const StandardModel & SM
 

Constructor & Destructor Documentation

◆ LEP2TwoFermions()

LEP2TwoFermions::LEP2TwoFermions ( const StandardModel &  SM_i)

LEP2TwoFermions constructor.

Parameters
[in]SM_ian object of StandardModel class

Definition at line 12 of file LEP2TwoFermions.cpp.

13 : SM(SM_i)
14 {
15 }

Member Function Documentation

◆ AFB()

double LEP2TwoFermions::AFB ( const double  s,
const double  Mw,
const double  GammaZ,
const double  I3f,
const double  Qf,
const double  mf,
const double  mfp,
const bool  bWeak 
) const
private

Definition at line 292 of file LEP2TwoFermions.cpp.

296 {
297  double betaf = sqrt(1.0 - 4.0*mf*mf/s);
298  double G1 = SM.getMyTwoFermionsLEP2()->G_1_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
299  double G2 = SM.getMyTwoFermionsLEP2()->G_2_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
300  double G3 = SM.getMyTwoFermionsLEP2()->G_3_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
301 
302  return ( 3.0/4.0*betaf*G3/(G1 + 2.0*mf*mf/s*G2) );
303 }

◆ AFB_l()

double LEP2TwoFermions::AFB_l ( const QCD::lepton  l,
const double  mf,
const double  s,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]llepton in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the forward-backward asymmetry for e^+ e^- -> l lbar

Definition at line 109 of file LEP2TwoFermions.cpp.

112 {
113  double I3f = SM.getLeptons(l).getIsospin();
114  double Qf = SM.getLeptons(l).getCharge();
115 
116  return AFB(s, Mw, GammaZ, I3f, Qf, mf, 0.0, bWeak);
117 }

◆ AFB_q()

double LEP2TwoFermions::AFB_q ( const QCD::quark  q,
const double  mf,
const double  s,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]qquark in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the forward-backward asymmetry for e^+ e^- -> q qbar

Definition at line 120 of file LEP2TwoFermions.cpp.

123 {
124  double I3f = SM.getQuarks(q).getIsospin();
125  double Qf = SM.getQuarks(q).getCharge();
126  double mfp;
127  if (q==SM.TOP)
128  throw std::runtime_error("Error in LEP2TwoFermions::AFB_q()");
129  else if (q==SM.BOTTOM)
130  mfp = SM.getMtpole();
131  else
132  mfp = 0.0;
133 
134  return ( AFB(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak) );
135 }

◆ alpha_at_s()

double LEP2TwoFermions::alpha_at_s ( const double  s) const
private
Parameters
sinvariant mass squared
Returns
the electromagnetic coupling at s

Definition at line 227 of file LEP2TwoFermions.cpp.

228 {
229  double alpha;
230  //alpha = SM.getAle()/complex(1.0715119759, -0.0186242179, false).real(); // for debug, s=(200GeV)^2
231  alpha = SM.ale_OS(sqrt(s), FULLNLO);
232 
233  return alpha;
234 }

◆ dsigma()

double LEP2TwoFermions::dsigma ( const double  s,
const double  cosTheta,
const double  Mw,
const double  GammaZ,
const double  I3f,
const double  Qf,
const double  mf,
const double  mfp,
const double  Ncf,
const bool  bWeak 
) const
private

Definition at line 237 of file LEP2TwoFermions.cpp.

242 {
243  double betaf = sqrt(1.0 - 4.0*mf*mf/s);
244  double G1 = SM.getMyTwoFermionsLEP2()->G_1_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
245  double G2 = SM.getMyTwoFermionsLEP2()->G_2_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
246  double G3 = SM.getMyTwoFermionsLEP2()->G_3_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
247 
248  return ( M_PI*SM.getAle()*SM.getAle()/s*Ncf*betaf
249  *( G1*(1.0 + cosTheta*cosTheta)/2.0
250  + 2.0*mf*mf/s*G2*(1.0 - cosTheta*cosTheta)
251  + betaf*G3*cosTheta ) );
252 }

◆ dsigma_box()

double LEP2TwoFermions::dsigma_box ( const double  s,
const double  cosTheta,
const double  Mw,
const double  GammaZ,
const double  I3f,
const double  Qf,
const double  mf,
const double  mfp,
const double  Ncf 
) const
private

Definition at line 255 of file LEP2TwoFermions.cpp.

260 {
261  double betaf = sqrt(1.0 - 4.0*mf*mf/s);
262 
263  //double t = mf*mf - s/2.0*(1.0 - betaf*cosTheta);
264  double t = - s/2.0*(1.0 - betaf*cosTheta);
265 
266  double G1 = SM.getMyTwoFermionsLEP2()->G_1_box(s, t, Mw, GammaZ, I3f, Qf, mf, mfp);
267  double G2 = SM.getMyTwoFermionsLEP2()->G_2_box(s, t, Mw, GammaZ, I3f, Qf, mf, mfp);
268  double G3 = SM.getMyTwoFermionsLEP2()->G_3_box(s, t, Mw, GammaZ, I3f, Qf, mf, mfp);
269 
270  return ( M_PI*SM.getAle()*SM.getAle()/s*Ncf*betaf
271  *( G1*(1.0 + cosTheta*cosTheta)/2.0
272  + 2.0*mf*mf/s*G2*(1.0 - cosTheta*cosTheta)
273  + betaf*G3*cosTheta ) );
274 }

◆ dsigma_l()

double LEP2TwoFermions::dsigma_l ( const QCD::lepton  l,
const double  mf,
const double  s,
const double  cosTheta,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]llepton in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]cosThetacosine of the scattering angle theta
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the differential cross section d sigma(e^+ e^- -> l lbar)/d cosTheta in GeV^{-2}

Definition at line 20 of file LEP2TwoFermions.cpp.

24 {
25  double I3f = SM.getLeptons(l).getIsospin();
26  double Qf = SM.getLeptons(l).getCharge();
27 
28  return ( dsigma(s, cosTheta, Mw, GammaZ, I3f, Qf, mf, 0.0, 1.0, bWeak) );
29 }

◆ dsigma_l_box()

double LEP2TwoFermions::dsigma_l_box ( const QCD::lepton  l,
const double  mf,
const double  s,
const double  cosTheta,
const double  Mw,
const double  GammaZ 
) const
Parameters
[in]llepton in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]cosThetacosine of the scattering angle theta
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
Returns
the box contribution to the differential cross section d sigma(e^+ e^- -> l lbar)/d cosTheta in GeV^{-2}

Definition at line 51 of file LEP2TwoFermions.cpp.

54 {
55  double I3f = SM.getLeptons(l).getIsospin();
56  double Qf = SM.getLeptons(l).getCharge();
57 
58  return ( dsigma_box(s, cosTheta, Mw, GammaZ, I3f, Qf, mf, 0.0, 1.0) );
59 }

◆ dsigma_q()

double LEP2TwoFermions::dsigma_q ( const QCD::quark  q,
const double  mf,
const double  s,
const double  cosTheta,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]qquark in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]cosThetacosine of the scattering angle theta
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the differential cross section d sigma(e^+ e^- -> q qbar)/d cosTheta in GeV^{-2}

Definition at line 32 of file LEP2TwoFermions.cpp.

36 {
37  double I3f = SM.getQuarks(q).getIsospin();
38  double Qf = SM.getQuarks(q).getCharge();
39  double mfp;
40  if (q==SM.TOP)
41  throw std::runtime_error("Error in LEP2TwoFermions::sigma_q()");
42  else if (q==SM.BOTTOM)
43  mfp = SM.getMtpole();
44  else
45  mfp = 0.0;
46 
47  return ( dsigma(s, cosTheta, Mw, GammaZ, I3f, Qf, mf, mfp, 3.0, bWeak) );
48 }

◆ dsigma_q_box()

double LEP2TwoFermions::dsigma_q_box ( const QCD::quark  q,
const double  mf,
const double  s,
const double  cosTheta,
const double  Mw,
const double  GammaZ 
) const
Parameters
[in]qquark in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]cosThetacosine of the scattering angle theta
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
Returns
the box contribution to the differential cross section d sigma(e^+ e^- -> q qbar)/d cosTheta in GeV^{-2}

Definition at line 62 of file LEP2TwoFermions.cpp.

65 {
66  double I3f = SM.getQuarks(q).getIsospin();
67  double Qf = SM.getQuarks(q).getCharge();
68  double mfp;
69  if (q==SM.TOP)
70  throw std::runtime_error("Error in LEP2TwoFermions::sigma_q()");
71  else if (q==SM.BOTTOM)
72  mfp = SM.getMtpole();
73  else
74  mfp = 0.0;
75 
76  return ( dsigma_box(s, cosTheta, Mw, GammaZ, I3f, Qf, mf, mfp, 3.0) );
77 }

◆ G_3prime_l()

double LEP2TwoFermions::G_3prime_l ( const QCD::lepton  l,
const double  mf,
const double  s,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]llepton in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the form factor beta_f^2*G_3(s) for e^+ e^- -> l lbar

Definition at line 190 of file LEP2TwoFermions.cpp.

194 {
195  double betaf = sqrt(1.0 - 4.0*mf*mf/s);
196  double I3f = SM.getLeptons(l).getIsospin();
197  double Qf = SM.getLeptons(l).getCharge();
198  double G3 = SM.getMyTwoFermionsLEP2()->G_3_noBox(s, Mw, GammaZ, I3f, Qf, mf, 0.0, bWeak);
199 
200  return ( betaf*betaf*G3 );
201 }

◆ G_3prime_q()

double LEP2TwoFermions::G_3prime_q ( const QCD::quark  q,
const double  mf,
const double  s,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]qquark in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the form factor beta_f^2*G_3(s) for e^+ e^- -> q qbar

Definition at line 204 of file LEP2TwoFermions.cpp.

208 {
209  double betaf = sqrt(1.0 - 4.0*mf*mf/s);
210  double I3f = SM.getQuarks(q).getIsospin();
211  double Qf = SM.getQuarks(q).getCharge();
212  double mfp;
213  if (q==SM.TOP)
214  throw std::runtime_error("Error in LEP2TwoFermions::G_3prime_q()");
215  else if (q==SM.BOTTOM)
216  mfp = SM.getMtpole();
217  else
218  mfp = 0.0;
219  double G3 = SM.getMyTwoFermionsLEP2()->G_3_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
220 
221  return ( betaf*betaf*G3 );
222 }

◆ H_ISR()

double LEP2TwoFermions::H_ISR ( const double  x,
const double  s 
) const
Parameters
[in]xs'=(1-x)s
[in]sthe invariant mass squared of the initial-state e^+ e^- pair
Returns
the additive radiator of initial-state radiations in cross sections

Definition at line 160 of file LEP2TwoFermions.cpp.

161 {
162  double me = SM.getLeptons(SM.ELECTRON).getMass();
163  double alphaOverPi = SM.getAle()/M_PI; // alpha(0)/Pi
164  double L = log(s/(me*me));
165  double beta = 2.0*alphaOverPi*(L - 1.0);
166  double deltaVS_1 = 3.0/2.0*L + M_PI*M_PI/3.0 - 2.0;
167  double deltaH_1 = - (2.0 - x)*(L - 1.0);
168 
169  return ( beta*pow(x, beta-1.0)*(1.0 + alphaOverPi*deltaVS_1)
170  + alphaOverPi*deltaH_1 );
171 }

◆ H_ISR_FB()

double LEP2TwoFermions::H_ISR_FB ( const double  x,
const double  s 
) const
Parameters
[in]xs'=(1-x)s
[in]sthe invariant mass squared of the initial-state e^+ e^- pair
Returns
the additive radiator of initial-state radiations in forward-backward asysmmetries

Definition at line 174 of file LEP2TwoFermions.cpp.

175 {
176  double me = SM.getLeptons(SM.ELECTRON).getMass();
177  double alphaOverPi = SM.getAle()/M_PI; // alpha(0)/Pi
178  double L = log(s/(me*me));
179  double beta = 2.0*alphaOverPi*(L - 1.0);
180  double deltaVS_1 = 3.0/2.0*L + M_PI*M_PI/3.0 - 2.0;
181  double tmp = (1.0-x)/(1.0-x/2.0)/(1.0-x/2.0);
182  double deltaH_FB_1 = (1.0+(1.0-x)*(1.0-x))/x*tmp*(L - 1.0 - log(tmp))
183  - 2.0/x*(L - 1.0);
184 
185  return ( beta*pow(x, beta-1.0)*(1.0 + alphaOverPi*deltaVS_1)
186  + alphaOverPi*deltaH_FB_1 );
187 }

◆ QCD_FSR_forAFB()

double LEP2TwoFermions::QCD_FSR_forAFB ( const QCD::quark  q,
const double  mf,
const double  s 
) const
Parameters
[in]qquark in the final state
[in]mfthe mass of the final-state fermion
[in]sthe invariant mass squared of the initial-state e^+ e^- pair
Returns
the final-state QCD corrections to forward-backward asymmetries

Definition at line 144 of file LEP2TwoFermions.cpp.

146 {
147  return ( 1.0 - SM.Als(sqrt(s), FULLNLO)/M_PI*(1.0 - 16.0/3.0*mf/sqrt(s)) );
148 }

◆ QCD_FSR_forSigma()

double LEP2TwoFermions::QCD_FSR_forSigma ( const double  s) const
Parameters
[in]sthe invariant mass squared of the initial-state e^+ e^- pair
Returns
the final-state QCD corrections to cross sections

Definition at line 138 of file LEP2TwoFermions.cpp.

139 {
140  return ( 1.0 + SM.Als(sqrt(s), FULLNLO)/M_PI );
141 }

◆ QED_FSR_forSigma()

double LEP2TwoFermions::QED_FSR_forSigma ( const double  s,
const double  Qf 
) const
Parameters
[in]sthe invariant mass squared of the initial-state e^+ e^- pair
[in]Qfthe electromagnetic charge of the final-state fermion
Returns
the final-state QED corrections to cross sections

Definition at line 151 of file LEP2TwoFermions.cpp.

152 {
153  //double alpha = SM.getAle();
154  double alpha = alpha_at_s(s);
155 
156  return ( 1.0 + 3.0*alpha/(4.0*M_PI)*Qf*Qf );
157 }

◆ sigma()

double LEP2TwoFermions::sigma ( const double  s,
const double  Mw,
const double  GammaZ,
const double  I3f,
const double  Qf,
const double  mf,
const double  mfp,
const double  Ncf,
const bool  bWeak 
) const
private

Definition at line 277 of file LEP2TwoFermions.cpp.

282 {
283  double betaf = sqrt(1.0 - 4.0*mf*mf/s);
284  double G1 = SM.getMyTwoFermionsLEP2()->G_1_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
285  double G2 = SM.getMyTwoFermionsLEP2()->G_2_noBox(s, Mw, GammaZ, I3f, Qf, mf, mfp, bWeak);
286 
287  return ( 4.0*M_PI*SM.getAle()*SM.getAle()/(3.0*s)*Ncf*betaf
288  *(G1 + 2.0*mf*mf/s*G2) );
289 }

◆ sigma_l()

double LEP2TwoFermions::sigma_l ( const QCD::lepton  l,
const double  mf,
const double  s,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]llepton in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the total cross section for e^+ e^- -> l lbar in GeV^{-2}

Definition at line 80 of file LEP2TwoFermions.cpp.

83 {
84  double I3f = SM.getLeptons(l).getIsospin();
85  double Qf = SM.getLeptons(l).getCharge();
86 
87  return ( sigma(s, Mw, GammaZ, I3f, Qf, mf, 0.0, 1.0, bWeak) );
88 }

◆ sigma_q()

double LEP2TwoFermions::sigma_q ( const QCD::quark  q,
const double  mf,
const double  s,
const double  Mw,
const double  GammaZ,
const bool  bWeak 
) const
Parameters
[in]qquark in the final state
[in]mfthe mass of the final-state fermion
[in]sinvariant mass squared of the initial-state e^+ e^- pair
[in]Mwthe W-boson mass
[in]GammaZthe Z-boson decay width
[in]bWeakflag to control weak corrections (not including box diagrams)
Returns
the total cross section for e^+ e^- -> q qbar in GeV^{-2}

Definition at line 91 of file LEP2TwoFermions.cpp.

94 {
95  double I3f = SM.getQuarks(q).getIsospin();
96  double Qf = SM.getQuarks(q).getCharge();
97  double mfp;
98  if (q==SM.TOP)
99  throw std::runtime_error("Error in LEP2TwoFermions::sigma_q()");
100  else if (q==SM.BOTTOM)
101  mfp = SM.getMtpole();
102  else
103  mfp = 0.0;
104 
105  return ( sigma(s, Mw, GammaZ, I3f, Qf, mf, mfp, 3.0, bWeak) );
106 }

Member Data Documentation

◆ SM

const StandardModel& LEP2TwoFermions::SM
private

Definition at line 225 of file LEP2TwoFermions.h.

The documentation for this class was generated from the following files:
QCD::BOTTOM
Definition: QCD.h:329
EWSMTwoFermionsLEP2::G_1_box
double G_1_box(const double s, const double t, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWWbox=true, const bool bZZbox=true) const
Definition: EWSMTwoFermionsLEP2.cpp:112
EWSMTwoFermionsLEP2::G_3_box
double G_3_box(const double s, const double t, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWWbox=true, const bool bZZbox=true) const
Definition: EWSMTwoFermionsLEP2.cpp:254
LEP2TwoFermions::dsigma
double dsigma(const double s, const double cosTheta, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const double Ncf, const bool bWeak) const
Definition: LEP2TwoFermions.cpp:237
GammaZ
An observable class for the total decay width of the boson.
Definition: GammaZ.h:32
gslpp::log
complex log(const complex &z)
Definition: gslpp_complex.cpp:342
QCD::ELECTRON
Definition: QCD.h:312
Particle::getIsospin
double getIsospin() const
A get method to access the particle isospin.
Definition: Particle.h:115
LEP2TwoFermions::alpha_at_s
double alpha_at_s(const double s) const
Definition: LEP2TwoFermions.cpp:227
StandardModel::ale_OS
double ale_OS(const double mu, orders order=FULLNLO) const
The running electromagnetic coupling in the on-shell scheme.
Definition: StandardModel.cpp:533
Particle::getMass
const double & getMass() const
A get method to access the particle mass.
Definition: Particle.h:61
LEP2TwoFermions::SM
const StandardModel & SM
Definition: LEP2TwoFermions.h:225
EWSMTwoFermionsLEP2::G_1_noBox
double G_1_noBox(const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWeak) const
Definition: EWSMTwoFermionsLEP2.cpp:82
QCD::TOP
Definition: QCD.h:328
gslpp::pow
complex pow(const complex &z1, const complex &z2)
Definition: gslpp_complex.cpp:395
gslpp::sqrt
complex sqrt(const complex &z)
Definition: gslpp_complex.cpp:385
QCD::getMtpole
double getMtpole() const
A get method to access the pole mass of the top quark.
Definition: QCD.h:588
Particle::getCharge
double getCharge() const
A get method to access the particle charge.
Definition: Particle.h:97
EWSMTwoFermionsLEP2::G_2_noBox
double G_2_noBox(const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWeak) const
Definition: EWSMTwoFermionsLEP2.cpp:92
StandardModel::Als
double Als(double mu, orders order=FULLNLO, bool qed_flag=false, bool Nf_thr=true) const
The running QCD coupling in the scheme including QED corrections.
Definition: StandardModel.cpp:602
QCD::getQuarks
Particle getQuarks(const QCD::quark q) const
A get method to access a quark as an object of the type Particle.
Definition: QCD.h:534
EWSMTwoFermionsLEP2::G_3_noBox
double G_3_noBox(const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWeak) const
Definition: EWSMTwoFermionsLEP2.cpp:102
EWSMTwoFermionsLEP2::G_2_box
double G_2_box(const double s, const double t, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWWbox=true, const bool bZZbox=true) const
Definition: EWSMTwoFermionsLEP2.cpp:183
LEP2TwoFermions::AFB
double AFB(const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const bool bWeak) const
Definition: LEP2TwoFermions.cpp:292
Mw
An observable class for the -boson mass.
Definition: Mw.h:22
LEP2TwoFermions::sigma
double sigma(const double s, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const double Ncf, const bool bWeak) const
Definition: LEP2TwoFermions.cpp:277
LEP2TwoFermions::dsigma_box
double dsigma_box(const double s, const double cosTheta, const double Mw, const double GammaZ, const double I3f, const double Qf, const double mf, const double mfp, const double Ncf) const
Definition: LEP2TwoFermions.cpp:255
StandardModel::getMyTwoFermionsLEP2
EWSMTwoFermionsLEP2 * getMyTwoFermionsLEP2() const
A get method to retrieve the member pointer of type EWSMTwoFermionsLEP2.
Definition: StandardModel.h:989
FULLNLO
Definition: OrderScheme.h:37
StandardModel::getAle
double getAle() const
A get method to retrieve the fine-structure constant .
Definition: StandardModel.h:748
StandardModel::getLeptons
Particle getLeptons(const QCD::lepton p) const
A get method to retrieve the member object of a lepton.
Definition: StandardModel.h:712