Herwig 7.3.0
|
The SMHiggsWidthGenerator class calculates the width for the Standard Model Higgs boson. More...
#include <SMHiggsWidthGenerator.h>
Public Member Functions | |
SMHiggsWidthGenerator () | |
The default constructor. | |
![]() | |
GenericWidthGenerator () | |
Default constructor. | |
void | persistentOutput (PersistentOStream &os) const |
Function used to write out object persistently. | |
void | persistentInput (PersistentIStream &is, int version) |
Function used to read in object persistently. | |
virtual bool | accept (const ParticleData &part) const |
Return true if this width generator can handle the given particle type. | |
virtual void | dataBaseOutput (ofstream &output, bool header=true) |
Output the initialisation info for the database. | |
virtual Length | lifeTime (const ParticleData &, Energy m, Energy w) const |
Given a particle type and a mass and a width of an instance of that particle type, generate a life time. | |
![]() | |
virtual bool | accept (const ParticleData &) const=0 |
Energy | width (const Particle &) const |
virtual Energy | width (const ParticleData &, Energy m) const=0 |
virtual Length | lifeTime (const ParticleData &, Energy m, Energy w) const |
virtual DecayMap | rate (const ParticleData &) const=0 |
virtual DecayMap | rate (const Particle &) |
![]() | |
virtual bool | defaultInit () |
PPtr | getParticle (PID) const |
PDPtr | getParticleData (PID) const |
bool | used () const |
void | useMe () const |
tEGPtr | generator () const |
void | persistentOutput (PersistentOStream &os) const |
void | persistentInput (PersistentIStream &is, int version) |
PPtr | getParticle (PID) const |
PDPtr | getParticleData (PID) const |
bool | used () const |
void | useMe () const |
tEGPtr | generator () const |
![]() | |
string | fullName () const |
string | name () const |
string | path () const |
string | comment () const |
void | setup (istream &is) |
void | update () |
void | init () |
virtual bool | preInitialize () const |
void | initrun () |
void | finish () |
void | touch () |
void | reset () |
void | clear () |
InitState | state () const |
bool | locked () const |
bool | touched () const |
virtual IBPtr | fullclone () const |
void | persistentOutput (PersistentOStream &os) const |
void | persistentInput (PersistentIStream &is, int version) |
virtual void | debugme () const |
void | update () |
void | init () |
virtual bool | preInitialize () const |
void | initrun () |
void | finish () |
void | touch () |
void | reset () |
void | clear () |
InitState | state () const |
bool | locked () const |
bool | touched () const |
virtual IBPtr | fullclone () const |
![]() | |
void | debug () const |
virtual void | debugme () const |
![]() | |
CounterType | referenceCount () const |
![]() | |
Named (const string &newName=string()) | |
Named (const Named &)=default | |
const string & | name () const |
bool | operator== (const Named &other) const |
bool | operator< (const Named &other) const |
Protected Member Functions | |
Clone Methods. | |
virtual IBPtr | clone () const |
Make a simple clone of this object. | |
virtual IBPtr | fullclone () const |
Make a clone of this object, possibly modifying the cloned object to make it sane. | |
Routines to calculate Higgs width. | |
double | HwDoubleBW (double x, double y) const |
Calculates the double Breit-Wigner Integral a-la FORTRAN HERWIG. | |
Complex | HwW2 (double tau) const |
Calculate a loop function for the triangle vertex GGH/AAH. | |
DecayMap | branching (Energy scale, const ParticleData &) const |
Return the branching ratios at the given scale. | |
![]() | |
virtual void | dofinish () |
Finalize this object. | |
virtual void | rebind (const TranslationMap &trans) |
Rebind pointer to other Interfaced objects. | |
virtual IVector | getReferences () |
Return a vector of all pointers to Interfaced objects used in this object. | |
int | MEcode (int imode) const |
Matrix element code for a given mode. | |
double | MEcoupling (int imode) const |
Coupling for a given mode. | |
Energy | mass () const |
The on-shell mass of the particle. | |
bool | initialize () const |
Access to the decay modes. | |
bool | output () const |
Output option for use by the inheriting classes. | |
vector< tDMPtr > | decayModes () const |
Access to the DecayModes. | |
Energy | partial2BodyWidth (int iloc, Energy q) const |
The \(1\to2\) width for on-shell particles. | |
virtual Energy | partial2BodyWidth (int iloc, Energy m0, Energy m1, Energy m2) const |
The \(1\to2\) width for outgoing particles which can be off-shell. | |
virtual void | setupMode (tcDMPtr mode, tDecayIntegratorPtr decayer, unsigned int imode) |
Perform the set up for a mode in classes inheriting from this one. | |
tPDPtr | particle () const |
Access to the particle dat for inheriting classes. | |
void | particle (tPDPtr in) |
Set the particle. | |
![]() | |
void | reporeg (IBPtr object, string name) const |
bool | setDefaultReference (PtrT &ptr, string classname, string objectname) |
Interfaced (const string &newName) | |
Interfaced (const Interfaced &i) | |
void | setGenerator (tEGPtr generator) |
![]() | |
virtual void | readSetup (istream &is) |
virtual void | doupdate () |
virtual void | doinit () |
virtual void | doinitrun () |
virtual void | dofinish () |
virtual IVector | getReferences () |
virtual void | rebind (const TranslationMap &) |
virtual IBPtr | clone () const=0 |
InterfacedBase (string newName) | |
InterfacedBase (const InterfacedBase &i) | |
virtual void | readSetup (istream &is) |
virtual void | doupdate () |
virtual void | doinit () |
virtual void | doinitrun () |
virtual void | dofinish () |
virtual IVector | getReferences () |
virtual void | rebind (const TranslationMap &) |
![]() | |
ReferenceCounted (const ReferenceCounted &) | |
ReferenceCounted & | operator= (const ReferenceCounted &) |
![]() | |
const Named & | operator= (const Named &other) |
const string & | name (const string &newName) |
Private Member Functions | |
Virtual functions to be overridden from based class | |
virtual Energy | width (const ParticleData &, Energy m) const |
Given a particle type and a mass of an instance of that particle type, calculate a width. | |
virtual DecayMap | rate (const ParticleData &) const |
Return decay map for the given particle type. | |
virtual DecayMap | rate (const Particle &) |
Return a decay map for a given Particle instance. | |
virtual pair< Energy, Energy > | width (Energy, const ParticleData &) const |
Return the total width and the sum of the partial widths for modes which are used. | |
Energy | partialWidth (int imode, Energy mH) const |
Calculate the partial width for a given mode. | |
Standard Interfaced functions. | |
unsigned int | widthopt_ |
Type of the Higgs width used (options: fixed, LO running, NLL corrected running) | |
double | offshell_ |
Number of times the width the Higgs is allowed to be off-shell. | |
Energy | mw_ |
Particle properties extracted at initialization. | |
Energy | mz_ |
Mass of the Z boson. | |
Energy | gamw_ |
Width of the W boson. | |
Energy | gamz_ |
Width of the Z boson. | |
vector< Energy > | qmass_ |
Masses of the quarks. | |
vector< Energy > | lmass_ |
Masses of the leptons. | |
double | sw2_ |
\(\sin^2\theta_W\) | |
double | ca_ |
The \(C_A\) colour factor. | |
double | cf_ |
The \(C_F\) colour factor. | |
Energy | qlast_ |
Storage of parameters for speed. | |
Energy | lambdaQCD_ |
\(\Lambda_{\rm QCD}\) | |
double | alphaEM_ |
The electromagnetic coupling. | |
double | alphaS_ |
The strong coupling. | |
double | cd_ |
Correction factor for \(H\to q\bar{q}\). | |
Energy2 | gfermiinv_ |
Fermi constant. | |
double | gam0_ |
The anomalous dimension for \(H\to q\bar{q}\). | |
double | beta0_ |
The \(\beta\) function coefficient for \(H\to q\bar{q}\). | |
map< int, int > | locMap_ |
Map between location in decay modes vector and code here. | |
SMHiggsWidthGenerator & | operator= (const SMHiggsWidthGenerator &)=delete |
The assignment operator is private and must never be called. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
Functions used by the persistent I/O system. | |
void | persistentOutput (PersistentOStream &os) const |
Function used to write out object persistently. | |
void | persistentInput (PersistentIStream &is, int version) |
Function used to read in object persistently. | |
static void | Init () |
The standard Init function used to initialize the interfaces. | |
Additional Inherited Members | |
![]() | |
typedef Selector< tDMPtr > | DecayMap |
![]() | |
enum | InitState |
![]() | |
typedef unsigned int | CounterType |
![]() | |
static void | Init () |
Standard Init function used to initialize the interfaces. | |
![]() | |
static void | Init () |
![]() | |
static void | Init () |
![]() | |
static void | Init () |
![]() | |
static void | Init () |
![]() | |
initializing | |
uninitialized | |
initialized | |
runready | |
![]() | |
const unsigned long | uniqueId |
![]() | |
static void | registerRepository (IBPtr) |
static void | registerRepository (IBPtr, string newName) |
The SMHiggsWidthGenerator class calculates the width for the Standard Model Higgs boson.
Definition at line 27 of file SMHiggsWidthGenerator.h.
|
inline |
The default constructor.
Definition at line 34 of file SMHiggsWidthGenerator.h.
|
protected |
Return the branching ratios at the given scale.
scale | The off shell-mass of the Higgs |
|
protectedvirtual |
Make a simple clone of this object.
Reimplemented from Herwig::GenericWidthGenerator.
|
protectedvirtual |
Initialize this object after the setup phase before saving an EventGenerator to disk.
InitException | if object could not be initialized properly. |
Reimplemented from Herwig::GenericWidthGenerator.
|
protectedvirtual |
Make a clone of this object, possibly modifying the cloned object to make it sane.
Reimplemented from Herwig::GenericWidthGenerator.
|
protected |
Calculates the double Breit-Wigner Integral a-la FORTRAN HERWIG.
It is used in NLL corrected Higgs width for H->WW/ZZ, x = (M_V/M_H)^2, y=M_V*G_V/(M_H)^2, where M_V/G_V - V-boson mass/width
|
protected |
Calculate a loop function for the triangle vertex GGH/AAH.
|
static |
The standard Init function used to initialize the interfaces.
Called exactly once for each class by the class description system before the main function starts or when this class is dynamically loaded.
|
privatedelete |
The assignment operator is private and must never be called.
In fact, it should not even be implemented.
|
privatevirtual |
Calculate the partial width for a given mode.
mH | The Higgs masses |
imode | The decay mode |
Reimplemented from Herwig::GenericWidthGenerator.
void Herwig::SMHiggsWidthGenerator::persistentInput | ( | PersistentIStream & | is, |
int | version | ||
) |
Function used to read in object persistently.
is | the persistent input stream read from. |
version | the version number of the object when written. |
void Herwig::SMHiggsWidthGenerator::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
Return a decay map for a given Particle instance.
Reimplemented from Herwig::GenericWidthGenerator.
|
privatevirtual |
Return decay map for the given particle type.
Reimplemented from Herwig::GenericWidthGenerator.
|
privatevirtual |
Given a particle type and a mass of an instance of that particle type, calculate a width.
Reimplemented from Herwig::GenericWidthGenerator.
|
privatevirtual |
Return the total width and the sum of the partial widths for modes which are used.
Reimplemented from Herwig::GenericWidthGenerator.
|
mutableprivate |
The electromagnetic coupling.
Definition at line 243 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
The strong coupling.
Definition at line 248 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
The \(\beta\) function coefficient for \(H\to q\bar{q}\).
Definition at line 268 of file SMHiggsWidthGenerator.h.
|
private |
The \(C_A\) colour factor.
Definition at line 218 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
Correction factor for \(H\to q\bar{q}\).
Definition at line 253 of file SMHiggsWidthGenerator.h.
|
private |
The \(C_F\) colour factor.
Definition at line 223 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
The anomalous dimension for \(H\to q\bar{q}\).
Definition at line 263 of file SMHiggsWidthGenerator.h.
|
private |
Width of the W boson.
Definition at line 193 of file SMHiggsWidthGenerator.h.
|
private |
Width of the Z boson.
Definition at line 198 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
Fermi constant.
Definition at line 258 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
\(\Lambda_{\rm QCD}\)
Definition at line 238 of file SMHiggsWidthGenerator.h.
|
private |
Masses of the leptons.
Definition at line 208 of file SMHiggsWidthGenerator.h.
|
private |
Map between location in decay modes vector and code here.
Definition at line 274 of file SMHiggsWidthGenerator.h.
|
private |
Particle properties extracted at initialization.
Mass of the W boson
Definition at line 183 of file SMHiggsWidthGenerator.h.
|
private |
Mass of the Z boson.
Definition at line 188 of file SMHiggsWidthGenerator.h.
|
private |
Number of times the width the Higgs is allowed to be off-shell.
Definition at line 174 of file SMHiggsWidthGenerator.h.
|
mutableprivate |
Storage of parameters for speed.
The last scale
Definition at line 233 of file SMHiggsWidthGenerator.h.
|
private |
Masses of the quarks.
Definition at line 203 of file SMHiggsWidthGenerator.h.
|
private |
\(\sin^2\theta_W\)
Definition at line 213 of file SMHiggsWidthGenerator.h.
|
private |
Type of the Higgs width used (options: fixed, LO running, NLL corrected running)
Definition at line 169 of file SMHiggsWidthGenerator.h.