ThePEG
1.8.0
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The SimpleBaryonRemnantDecayer class inherits from the RemnantDecayer class and is able to decay RemnantParticles produced by the SoftRemnantHandler class for the cases when a single parton has been extracted from a baryon. More...
#include <SimpleBaryonRemnantDecayer.h>
Classes | |
struct | BaryonContent |
Simple struct to store info about baryon quark and di-quark constituents. More... | |
struct | DecayFailed |
Exception thrown if the decay of a remnant was impossible. More... | |
struct | NoDISRespect |
Warning Exception used when DIS kinematics was not respected. More... |
Public Types | |
typedef Ptr< ZGenerator >::pointer | ZGPtr |
A pointer to a ZGenerator object. | |
typedef Ptr< FlavourGenerator > ::pointer | FlGPtr |
A pointer to a FlavourGenerator object. | |
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enum | RecoilOption { boostAll, boostFinal, copyFinal } |
Enumerate the options for how to distribute recoils in the hard subsystem when taking energy to produce remnants. More... | |
typedef Ptr< PtGenerator >::pointer | PtGPtr |
A pointer to a PtGenerator object. |
Public Member Functions | |
Standard constructors and destructors. | |
SimpleBaryonRemnantDecayer () | |
The default constructor. | |
SimpleBaryonRemnantDecayer (const SimpleBaryonRemnantDecayer &x) | |
The copy constructor. | |
virtual | ~SimpleBaryonRemnantDecayer () |
The destructor. | |
Virtual functions required by the RemnantDecayer class. | |
virtual bool | accept (const DecayMode &dm) const |
Check if this decayer can perfom the decay specified by the given decay mode. | |
virtual ParticleVector | decay (const DecayMode &dm, const Particle &p, Step &step) const |
Perform a decay for a given DecayMode and a given Particle instance. | |
virtual bool | canHandle (tcPDPtr parent, tcPDPtr extracted) const |
Return true if this decayer can handle the extraction of the extracted parton from the given particle. | |
virtual bool | checkExtract (tcPPtr parent, tcPPtr extracted, const LorentzMomentum &pnew) const |
Return true if this decayer can handle the extraction of the extracted parton instance from the given particle instance. | |
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. | |
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virtual bool | multiCapable () const |
Return true if this decayed can extract more than one parton from a particle. | |
RecoilOption | recoilOption () const |
The option for how to distribute recoils in the hard subsystem when taking energy to produce remnants. | |
int | respectDISKinematics () const |
If true, do not boost a scattered lepton (and possible radiated photons) in a DIS event, to ensure that ![]() ![]() | |
PtGPtr | pTGenerator () const |
An object capable of generating an intrinsic transverse momentum of the created remnants. | |
RemnantDecayer () | |
The default constructor. | |
virtual | ~RemnantDecayer () |
The destructor. | |
virtual bool | needsFullStep () const |
Return true if this Decayer need to access the full current step when a particle is decayed. | |
virtual ParticleVector | decay (const DecayMode &dm, const Particle &p) const |
Perform a decay for a given DecayMode and a given Particle instance. | |
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Ptr< Amplitude >::pointer | amplitude () const |
Return an amplitude associated with this decay matrix element. | |
virtual double | brat (const DecayMode &dm, const ParticleData &pd, double oldbrat) const |
Calculate branching ratio. | |
virtual double | brat (const DecayMode &dm, const Particle &p, double oldbrat) const |
Calculate branching ratio. | |
virtual ParticleVector | getChildren (const DecayMode &dm, const Particle &parent) const |
Produce the children. | |
virtual void | finalBoost (const Particle &parent, const ParticleVector &children) const |
Boost the decay products. | |
virtual void | setScales (const Particle &parent, const ParticleVector &children) const |
Set the scales. |
Static Public Member Functions | |
static void | Init () |
The standard Init function used to initialize the interfaces. | |
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static tPVector | decayRemnants (const tPVector &particles, Step &step) |
Static function to decay al remnants among the given particles. | |
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static ParticleVector | DecayParticle (tPPtr parent, Step &step, long maxtry=1000) |
Static function to administer the decay of a particle. |
Protected Member Functions | |
ZGenerator & | zGenerator () const |
Return a reference to the object responsible for generating momentum fractions in case of more than one remnant. | |
FlavourGenerator & | flavourGenerator () const |
Return a reference to the object responsible for handling the flavour contents of a baryon. | |
Energy | margin () const |
Return the energy margin to be added to the sum of the parent and parton masses to determine if it is possible to construct the remnants with the given (upper limit of the) virtuality of the extracted parton. | |
bool | specialValence () const |
If true an extracted valens quark will always give a di-quark remnant. | |
const BaryonContent & | getBaryonInfo (tcPDPtr baryon) const |
Return info about baryon quark and di-quark constituents. | |
Standard Interfaced functions. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
virtual bool | preInitialize () const |
Return true if this object needs to be initialized before all other objects because it needs to extract cuts from the event file. | |
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. | |
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tRemPDPtr | data (tcRemPPtr remnant) const |
Access the RemnantData object of a remnant. | |
tcPPtr | parent (tcRemPPtr remnant) const |
Access the parent of a remnant. | |
const PVector & | extracted (tcRemPPtr remnant) const |
Access the vector of extracted particles of a remnant. | |
virtual void | fillSubSystem (tPPtr p, set< tPPtr > &sub) const |
Recursively find all particles produced from an extracted parton. | |
virtual tPVector | getSubSystem (tcPPtr parent, tPPtr parton) const |
Return the system of particles from the hard subsystem which may be used to shuffle momenta to get the remnants on-shell. |
Private Member Functions | |
SimpleBaryonRemnantDecayer & | operator= (const SimpleBaryonRemnantDecayer &) |
The assignment operator is private and must never be called. |
Private Attributes | |
ZGPtr | theZGenerator |
The object responsible for generating momentum fractions in case of more than one remnant. | |
FlGPtr | theFlavourGenerator |
The object responsible for handling the flavour contents of a baryon. | |
Energy | theMargin |
The energy margin to be added to the sum of the parent and parton masses to determine if it is possible to construct the remnants with the given (upper limit of the) virtuality of the extracted parton. | |
bool | useSpecialValence |
If true an extracted valens quark will always give a di-quark remnant. | |
map< tcPDPtr, BaryonContent > | baryonmap |
A map of info about baryon quark and di-quark constituents. |
Static Private Attributes | |
static ClassDescription < SimpleBaryonRemnantDecayer > | initSimpleBaryonRemnantDecayer |
The static object used to initialize the description of this class. |
Additional Inherited Members | |
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static LorentzRotation | getZBoost (const LorentzMomentum &p0, const LorentzMomentum &p) |
Return a small boost along the z-axis. | |
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int | respectDIS |
If true, do not boost a scattered lepton (and possible radiated photons) in a DIS event, to ensure that ![]() ![]() |
The SimpleBaryonRemnantDecayer class inherits from the RemnantDecayer class and is able to decay RemnantParticles produced by the SoftRemnantHandler class for the cases when a single parton has been extracted from a baryon.
Definition at line 31 of file SimpleBaryonRemnantDecayer.h.
typedef Ptr<FlavourGenerator>::pointer ThePEG::SimpleBaryonRemnantDecayer::FlGPtr |
A pointer to a FlavourGenerator object.
Definition at line 38 of file SimpleBaryonRemnantDecayer.h.
typedef Ptr<ZGenerator>::pointer ThePEG::SimpleBaryonRemnantDecayer::ZGPtr |
A pointer to a ZGenerator object.
Definition at line 36 of file SimpleBaryonRemnantDecayer.h.
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virtual |
Check if this decayer can perfom the decay specified by the given decay mode.
dm | the DecayMode describing the decay. |
Reimplemented from ThePEG::RemnantDecayer.
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virtual |
Return true if this decayer can handle the extraction of the extracted parton instance from the given particle instance.
pnew is the momentum of the resulting remnant. The default version simply checks if the energy is positive.
Reimplemented from ThePEG::RemnantDecayer.
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protectedvirtual |
Make a simple clone of this object.
Implements ThePEG::InterfacedBase.
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virtual |
Perform a decay for a given DecayMode and a given Particle instance.
This version allows the decaying particle to borrow energy/momentum from its sublings in the current step. This will be called by the standard DecayHandler if the needsFullStep() function returns true.
dm | the DecayMode describing the decay. |
p | the Particle instance to be decayed. |
step | the current step in which to find possible siblings to shuffle energy with. |
Implements ThePEG::RemnantDecayer.
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protectedvirtual |
Initialize this object after the setup phase before saving an EventGenerator to disk.
InitException | if object could not be initialized properly. |
Reimplemented from ThePEG::RemnantDecayer.
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protectedvirtual |
Make a clone of this object, possibly modifying the cloned object to make it sane.
Reimplemented from ThePEG::InterfacedBase.
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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.
Reimplemented from ThePEG::RemnantDecayer.
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private |
The assignment operator is private and must never be called.
In fact, it should not even be implemented.
void ThePEG::SimpleBaryonRemnantDecayer::persistentInput | ( | PersistentIStream & | is, |
int | version | ||
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Function used to read in object persistently.
is | the persistent input stream read from. |
version | the version number of the object when written. |
Reimplemented from ThePEG::RemnantDecayer.
void ThePEG::SimpleBaryonRemnantDecayer::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
Reimplemented from ThePEG::RemnantDecayer.
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staticprivate |
The static object used to initialize the description of this class.
Indicates that this is a concrete class with persistent data.
Definition at line 268 of file SimpleBaryonRemnantDecayer.h.