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HeffDC1 Class Reference

\( |\Delta C = 1 | \) Hamiltonian Class More...

#include <HeffDC1.h>

Detailed Description

\( |\Delta C = 1 | \) Hamiltonian Class

The Hamiltonian for \( |\Delta C = 1 | \) processes as \( D^{0} \, \rightarrow \, \pi^{+} \, \pi^{-} \) and \( D^{0} \, \rightarrow \, K^{+} \, K^{-} \)

Definition at line 25 of file HeffDC1.h.

Public Member Functions

gslpp::vector< gslpp::complex > ** ComputeCoeffDC1_K (double mu, schemes scheme=NDR)
 a method returning the evolved Wilson related to \( D^{0} \, \rightarrow \, K^{+} \, K^{-} \) More...
 
gslpp::vector< gslpp::complex > ** ComputeCoeffDC1_pi (double mu, schemes scheme=NDR)
 a method returning the evolved Wilson related to \( D^{0} \, \rightarrow \, \pi^{+} \, \pi^{-} \) More...
 
WilsonCoefficient getCoeffDC1 () const
 
const StandardModel & GetModel () const
 
EvolDC1 & getUDC1 () const
 
EvolDC1Buras & getUDC1Buras () const
 
 HeffDC1 (const StandardModel &SM)
 HeffDC1 constructor. More...
 
virtual ~HeffDC1 ()
 HeffDC1 destructor. More...
 

Private Attributes

gslpp::matrix< gslpp::complex > ckm
 
gslpp::matrix< gslpp::complex > COEFF_K
 
gslpp::matrix< gslpp::complex > COEFF_pi
 
WilsonCoefficient coeffdc1
 
WilsonCoefficient coeffdc1g
 
const StandardModel & model
 
std::unique_ptr< EvolDC1Buras > u
 
std::unique_ptr< EvolDC1 > ug
 

Constructor & Destructor Documentation

◆ HeffDC1()

HeffDC1::HeffDC1 ( const StandardModel &  SM)

HeffDC1 constructor.

Parameters
SMan object of StandardModel class
SM_Matchingan object of StandardModelMatching class

Definition at line 13 of file HeffDC1.cpp.

14 : model(SM), coeffdc1(10, NDR, NLO),
15  coeffdc1g(10, NDR, NLO), ug(new EvolDC1(10, NDR, NLO, SM)), u(new EvolDC1Buras(10, NDR, NLO, SM)),
16  ckm(3,0.), COEFF_pi(10,0.), COEFF_K(10,0.)
17 {
18 
19  double co = - 4. * model.getGF() / sqrt(2);
20  ckm = model.getVCKM();
21  gslpp::complex lambdab_cu = - ckm(1,2)*ckm(0,2).conjugate(); // - V_cb * V_ub^{*}
22  gslpp::complex lambdad_cu = ckm(1,0)*ckm(0,0).conjugate(); // V_cd * V_ud^{*}
23  gslpp::complex lambdas_cu = ckm(1,1)*ckm(0,1).conjugate(); // V_cs * V_us^{*}
24  COEFF_pi.assign(0,0, co * lambdad_cu); COEFF_pi.assign(1,1, co * lambdad_cu);
25  COEFF_pi.assign(2,2, co * lambdab_cu); COEFF_pi.assign(3,3, co * lambdab_cu);
26  COEFF_pi.assign(4,4, co * lambdab_cu); COEFF_pi.assign(5,5, co * lambdab_cu);
27  COEFF_pi.assign(6,6, co * lambdab_cu); COEFF_pi.assign(7,7, co * lambdab_cu);
28  COEFF_pi.assign(8,8, 1.); COEFF_pi.assign(9,9, 1.);
29  COEFF_K.assign(0,0, co * lambdas_cu); COEFF_K.assign(1,1, co * lambdas_cu);
30  COEFF_K.assign(2,2, co * lambdab_cu); COEFF_K.assign(3,3, co * lambdab_cu);
31  COEFF_K.assign(4,4, co * lambdab_cu); COEFF_K.assign(5,5, co * lambdab_cu);
32  COEFF_K.assign(6,6, co * lambdab_cu); COEFF_K.assign(7,7, co * lambdab_cu);
33  COEFF_K.assign(8,8, 1.); COEFF_K.assign(9,9, 1.);
34 
35 }

◆ ~HeffDC1()

HeffDC1::~HeffDC1 ( )
virtual

HeffDC1 destructor.

Definition at line 37 of file HeffDC1.cpp.

37  {
38 }

Member Function Documentation

◆ ComputeCoeffDC1_K()

gslpp::vector< gslpp::complex > ** HeffDC1::ComputeCoeffDC1_K ( double  mu,
schemes  scheme = NDR 
)

a method returning the evolved Wilson related to \( D^{0} \, \rightarrow \, K^{+} \, K^{-} \)

it returns the Wilson coefficients of the process \( D^{0} \, \rightarrow \, K^{+} \, K^{-} \) evolved down to the low scale \( \mu \) with the associated coupling constants and CKM factors

Parameters
mua double for the low scale of the evolution
schemean enum "schemes" for the regularization scheme of the evolutor
Returns
a vector<complex> pointer to pointer method for the evolved Wilson coefficients

Definition at line 66 of file HeffDC1.cpp.

68 {
69 
70  const std::vector<WilsonCoefficient>& mc = model.getMatching().CMd1();
71  coeffdc1.setMu(mu);
72 
73  orders ordDF1 = coeffdc1.getOrder();
74  for (unsigned int i = 0; i < mc.size(); i++){
75  std::cout << " SIZE i " << i << std::endl << std::endl;
76  for (int j = LO; j <= ordDF1; j++){
77  for (int k = LO; k <= j; k++){
78  coeffdc1.setCoeff(*coeffdc1.getCoeff(orders(j)) +
79  ug->DC1Evol(mu, mc[i].getMu(), orders(k), mc[i].getScheme()) *
80  (*(mc[i].getCoeff(orders(j - k)))), orders(j));
81  }
82  }
83  if(i == 0){
84  for (int j = LO; j <= ordDF1; j++){
85  coeffdc1.setCoeff(COEFF_K * (*coeffdc1.getCoeff(orders(j))), orders(j));
86  }
87  }
88  }
89 
90  coeffdc1.setScheme(scheme);
91 
92  return coeffdc1.getCoeff();

◆ ComputeCoeffDC1_pi()

gslpp::vector< gslpp::complex > ** HeffDC1::ComputeCoeffDC1_pi ( double  mu,
schemes  scheme = NDR 
)

a method returning the evolved Wilson related to \( D^{0} \, \rightarrow \, \pi^{+} \, \pi^{-} \)

it returns the Wilson coefficients of the process \( D^{0} \, \rightarrow \, \pi^{+} \, \pi^{-} \) evolved to the low scale \( \mu \) with the associated coupling constants and CKM factors

Parameters
mua double for the low scale of the evolution
schemean enum "schemes" for the regularization scheme of the evolutor
Returns
a vector<complex> pointer to pointer method for the evolved Wilson coefficients

Definition at line 43 of file HeffDC1.cpp.

45 {
46 
47  const std::vector<WilsonCoefficient>& mc = model.getMatching().CMd1();
48  coeffdc1.setMu(mu);
49  orders ordDF1 = coeffdc1.getOrder();
50  for (unsigned int i = 0; i < mc.size(); i++){
51  if(i != 1){
52  for (int j = LO; j <= ordDF1; j++){
53  for (int k = LO; k <= j; k++){
54  coeffdc1.setCoeff(*coeffdc1.getCoeff(orders(j)) +
55  ug->DC1Evol(mu, mc[i].getMu(), orders(k), mc[i].getScheme()) *
56  (*(mc[i].getCoeff(orders(j - k)))), orders(j));
57  }
58  }
59  }
60  }
61 
62  coeffdc1.setScheme(scheme);
63 
64  return coeffdc1.getCoeff();

◆ getCoeffDC1()

WilsonCoefficient HeffDC1::getCoeffDC1 ( ) const
inline
Returns
an object of WilsonCoefficient class

Definition at line 59 of file HeffDC1.h.

59  {
60  return coeffdc1;
61  }

◆ GetModel()

const StandardModel& HeffDC1::GetModel ( ) const
inline
Returns
an object of StandardModel class

Definition at line 80 of file HeffDC1.h.

80  {
81  return model;
82  }

◆ getUDC1()

EvolDC1& HeffDC1::getUDC1 ( ) const
inline
Returns
an object of EvolDC1 class

Definition at line 66 of file HeffDC1.h.

66  {
67  return *ug;
68  }

◆ getUDC1Buras()

EvolDC1Buras& HeffDC1::getUDC1Buras ( ) const
inline
Returns
an object of EvolDC1Buras class

Definition at line 73 of file HeffDC1.h.

73  {
74  return *u;
75  }

Member Data Documentation

◆ ckm

gslpp::matrix<gslpp::complex> HeffDC1::ckm
private

Definition at line 89 of file HeffDC1.h.

◆ COEFF_K

gslpp::matrix<gslpp::complex> HeffDC1::COEFF_K
private

Definition at line 89 of file HeffDC1.h.

◆ COEFF_pi

gslpp::matrix<gslpp::complex> HeffDC1::COEFF_pi
private

Definition at line 89 of file HeffDC1.h.

◆ coeffdc1

WilsonCoefficient HeffDC1::coeffdc1
private

Definition at line 86 of file HeffDC1.h.

◆ coeffdc1g

WilsonCoefficient HeffDC1::coeffdc1g
private

Definition at line 86 of file HeffDC1.h.

◆ model

const StandardModel& HeffDC1::model
private

Definition at line 85 of file HeffDC1.h.

◆ u

std::unique_ptr<EvolDC1Buras> HeffDC1::u
private

Definition at line 88 of file HeffDC1.h.

◆ ug

std::unique_ptr<EvolDC1> HeffDC1::ug
private

Definition at line 87 of file HeffDC1.h.

The documentation for this class was generated from the following files:
WilsonTemplate::setScheme
void setScheme(schemes scheme)
Definition: WilsonTemplate.h:103
EvolDC1
Evolutor Class
Definition: EvolDC1.h:24
LO
Definition: OrderScheme.h:33
NDR
Definition: OrderScheme.h:21
gslpp::complex
A class for defining operations on and functions of complex numbers.
Definition: gslpp_complex.h:35
HeffDC1::COEFF_K
gslpp::matrix< gslpp::complex > COEFF_K
Definition: HeffDC1.h:89
ModelMatching::CMd1
virtual std::vector< WilsonCoefficient > & CMd1()=0
WilsonTemplate::getOrder
orders getOrder() const
Definition: WilsonTemplate.h:65
HeffDC1::u
std::unique_ptr< EvolDC1Buras > u
Definition: HeffDC1.h:88
HeffDC1::model
const StandardModel & model
Definition: HeffDC1.h:85
HeffDC1::ug
std::unique_ptr< EvolDC1 > ug
Definition: HeffDC1.h:87
WilsonCoefficient::setCoeff
void setCoeff(const gslpp::vector< gslpp::complex > &z, orders order_i)
Definition: WilsonCoefficient.h:34
StandardModel::getGF
double getGF() const
A get method to retrieve the Fermi constant .
Definition: StandardModel.h:739
gslpp::sqrt
complex sqrt(const complex &z)
Definition: gslpp_complex.cpp:385
WilsonTemplate::setMu
virtual void setMu(double mu)
Definition: WilsonTemplate.h:92
StandardModel::getVCKM
gslpp::matrix< gslpp::complex > getVCKM() const
A get method to retrieve the CKM matrix.
Definition: StandardModel.h:870
orders
orders
An enum type for orders in QCD.
Definition: OrderScheme.h:31
StandardModel::getMatching
virtual StandardModelMatching & getMatching() const
A get method to access the member reference of type StandardModelMatching.
Definition: StandardModel.h:952
WilsonCoefficient::getCoeff
gslpp::vector< gslpp::complex > ** getCoeff() const
Definition: WilsonCoefficient.h:29
NLO
Definition: OrderScheme.h:34
HeffDC1::coeffdc1g
WilsonCoefficient coeffdc1g
Definition: HeffDC1.h:86
HeffDC1::COEFF_pi
gslpp::matrix< gslpp::complex > COEFF_pi
Definition: HeffDC1.h:89
EvolDC1Buras
Definition: EvolDC1Buras.h:15
HeffDC1::ckm
gslpp::matrix< gslpp::complex > ckm
Definition: HeffDC1.h:89
HeffDC1::coeffdc1
WilsonCoefficient coeffdc1
Definition: HeffDC1.h:86