Description of the dynamic properties of a particle.
A dynamic particle class created by event generators and used during the propagation in detectors. The static attributes of a TParticle are described by TParticlePDG.
Int_t fPdgCode; // PDG code of the particle Int_t fStatusCode; // generation status code Int_t fMother[2]; // Indices of the mother particles Int_t fDaughter[2]; // Indices of the daughter particles Float_t fWeight; // particle weight Double_t fCalcMass; // Calculated mass Double_t fPx; // x component of momentum Double_t fPy; // y component of momentum Double_t fPz; // z component of momentum Double_t fE; // Energy Double_t fVx; // x of production vertex Double_t fVy; // y of production vertex Double_t fVz; // z of production vertex Double_t fVt; // t of production vertex Double_t fPolarTheta; // Polar angle of polarisation Double_t fPolarPhi; // azymutal angle of polarisation TParticlePDG* fParticlePDG; //! reference to the particle record in PDG database
Definition at line 26 of file TParticle.h.
Public Member Functions | |
TParticle () | |
reference to the particle record in PDG database | |
TParticle (const TParticle &part) | |
copy constructor | |
TParticle (Int_t pdg, Int_t status, Int_t mother1, Int_t mother2, Int_t daughter1, Int_t daughter2, const TLorentzVector &p, const TLorentzVector &v) | |
constructor | |
TParticle (Int_t pdg, Int_t status, Int_t mother1, Int_t mother2, Int_t daughter1, Int_t daughter2, Double_t px, Double_t py, Double_t pz, Double_t etot, Double_t vx, Double_t vy, Double_t vz, Double_t time) | |
constructor | |
virtual | ~TParticle () |
destructor | |
Int_t | Beauty () const |
Return beauty quantum number. | |
Int_t | Charm () const |
Return charm quantum number. | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Compute distance from point px,py to a primary track. | |
Double_t | Ek () const |
Double_t | Energy () const |
Double_t | Eta () const |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to one event. | |
Double_t | GetCalcMass () const |
Int_t | GetDaughter (Int_t i) const |
Int_t | GetFirstDaughter () const |
Int_t | GetFirstMother () const |
Int_t | GetLastDaughter () const |
Double_t | GetMass () const |
Return nominal particle mass from PDG table. | |
Int_t | GetMother (Int_t i) const |
virtual const char * | GetName () const |
Return particle name. | |
Int_t | GetNDaughters () const |
TParticlePDG * | GetPDG (Int_t mode=0) const |
Returns a pointer to the TParticlePDG object using the pdgcode. | |
Int_t | GetPdgCode () const |
void | GetPolarisation (Double_t &theta, Double_t &phi) const |
void | GetPolarisation (TVector3 &v) const |
Return particle polarisation. | |
Double_t | GetPolarPhi () const |
Double_t | GetPolarTheta () const |
Int_t | GetSecondMother () const |
Int_t | GetStatusCode () const |
virtual const char * | GetTitle () const |
Return particle title. | |
Float_t | GetWeight () const |
virtual TClass * | IsA () const |
Bool_t | IsPrimary () const |
void | Momentum (TLorentzVector &v) const |
TParticle & | operator= (const TParticle &) |
Equal operator. | |
Double_t | P () const |
virtual void | Paint (Option_t *option="") |
Paint a primary track. | |
Double_t | Phi () const |
Double_t | PhiX () const |
Double_t | PhiY () const |
Double_t | PhiZ () const |
virtual void | Print (Option_t *option="") const |
Print the internals of the primary vertex particle. | |
void | ProductionVertex (TLorentzVector &v) const |
Double_t | Pt () const |
Double_t | Px () const |
Double_t | Py () const |
Double_t | Pz () const |
Double_t | R () const |
Double_t | Rho () const |
void | SetCalcMass (Double_t mass) |
void | SetDaughter (int i, int code) |
void | SetFirstDaughter (int code) |
void | SetFirstMother (int code) |
void | SetLastDaughter (int code) |
void | SetLastMother (int code) |
void | SetMomentum (const TLorentzVector &p) |
void | SetMomentum (Double_t px, Double_t py, Double_t pz, Double_t e) |
void | SetMother (int i, int code) |
void | SetPdgCode (Int_t pdg) |
Change the PDG code for this particle. | |
void | SetPolarisation (const TVector3 &v) |
void | SetPolarisation (Double_t polx, Double_t poly, Double_t polz) |
Set particle polarisation. | |
void | SetPolarisation (Double_t theta, Double_t phi) |
void | SetPolarPhi (Double_t phi) |
void | SetPolarTheta (Double_t theta) |
void | SetProductionVertex (const TLorentzVector &v) |
void | SetProductionVertex (Double_t vx, Double_t vy, Double_t vz, Double_t t) |
void | SetStatusCode (int status) |
void | SetWeight (Float_t weight=1) |
virtual void | Sizeof3D () const |
Return total X3D size of this primary. | |
Int_t | Strangeness () const |
Return strangeness quantum number. | |
virtual void | Streamer (TBuffer &) |
Stream an object of class TParticle. | |
void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) |
Double_t | T () const |
Double_t | Theta () const |
Double_t | Theta (const TParticle &p) |
Double_t | ThetaX () const |
Double_t | ThetaY () const |
Double_t | ThetaZ () const |
Double_t | Vx () const |
Double_t | Vy () const |
Double_t | Vz () const |
Double_t | Y () const |
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TObject () | |
TObject constructor. | |
TObject (const TObject &object) | |
TObject copy ctor. | |
virtual | ~TObject () |
TObject destructor. | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. | |
virtual void | Browse (TBrowser *b) |
Browse object. May be overridden for another default action. | |
ULong_t | CheckedHash () |
Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. | |
virtual void | Clear (Option_t *="") |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. | |
virtual Int_t | Compare (const TObject *obj) const |
Compare abstract method. | |
virtual void | Copy (TObject &object) const |
Copy this to obj. | |
virtual void | Delete (Option_t *option="") |
Delete this object. | |
virtual void | Draw (Option_t *option="") |
Default Draw method for all objects. | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1) . | |
virtual void | Dump () const |
Dump contents of object on stdout. | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. | |
virtual void | Execute (const char *method, const char *params, Int_t *error=nullptr) |
Execute method on this object with the given parameter string, e.g. | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=nullptr) |
Execute method on this object with parameters stored in the TObjArray. | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. | |
virtual TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. | |
virtual const char * | GetIconName () const |
Returns mime type name of object. | |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). | |
virtual Option_t * | GetOption () const |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. | |
virtual ULong_t | Hash () const |
Return hash value for this object. | |
Bool_t | HasInconsistentHash () const |
Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. | |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. | |
void | InvertBit (UInt_t f) |
Bool_t | IsDestructed () const |
IsDestructed. | |
virtual Bool_t | IsEqual (const TObject *obj) const |
Default equal comparison (objects are equal if they have the same address in memory). | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). | |
R__ALWAYS_INLINE Bool_t | IsOnHeap () const |
virtual Bool_t | IsSortable () const |
R__ALWAYS_INLINE Bool_t | IsZombie () const |
virtual void | ls (Option_t *option="") const |
The ls function lists the contents of a class on stdout. | |
void | MayNotUse (const char *method) const |
Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). | |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. | |
void | operator delete (void *ptr) |
Operator delete. | |
void | operator delete[] (void *ptr) |
Operator delete []. | |
void * | operator new (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz) |
void * | operator new[] (size_t sz, void *vp) |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove this object from a list. | |
void | ResetBit (UInt_t f) |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". | |
void | SetBit (UInt_t f) |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. | |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. | |
void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. | |
R__ALWAYS_INLINE Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
virtual void | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. | |
virtual Int_t | Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) |
Write this object to the current directory. | |
virtual Int_t | Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const |
Write this object to the current directory. | |
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TAttLine () | |
AttLine default constructor. | |
TAttLine (Color_t lcolor, Style_t lstyle, Width_t lwidth) | |
AttLine normal constructor. | |
virtual | ~TAttLine () |
AttLine destructor. | |
void | Copy (TAttLine &attline) const |
Copy this line attributes to a new TAttLine. | |
Int_t | DistancetoLine (Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2) |
Compute distance from point px,py to a line. | |
virtual Color_t | GetLineColor () const |
Return the line color. | |
virtual Style_t | GetLineStyle () const |
Return the line style. | |
virtual Width_t | GetLineWidth () const |
Return the line width. | |
virtual void | Modify () |
Change current line attributes if necessary. | |
virtual void | ResetAttLine (Option_t *option="") |
Reset this line attributes to default values. | |
virtual void | SaveLineAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1) |
Save line attributes as C++ statement(s) on output stream out. | |
virtual void | SetLineAttributes () |
Invoke the DialogCanvas Line attributes. | |
virtual void | SetLineColor (Color_t lcolor) |
Set the line color. | |
virtual void | SetLineColorAlpha (Color_t lcolor, Float_t lalpha) |
Set a transparent line color. | |
virtual void | SetLineStyle (Style_t lstyle) |
Set the line style. | |
virtual void | SetLineWidth (Width_t lwidth) |
Set the line width. | |
void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) |
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TAtt3D () | |
virtual | ~TAtt3D () |
void | StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b) |
Static Public Member Functions | |
static TClass * | Class () |
static const char * | Class_Name () |
static constexpr Version_t | Class_Version () |
static const char * | DeclFileName () |
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static TClass * | Class () |
static const char * | Class_Name () |
static constexpr Version_t | Class_Version () |
static const char * | DeclFileName () |
static Longptr_t | GetDtorOnly () |
Return destructor only flag. | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. | |
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static TClass * | Class () |
static const char * | Class_Name () |
static constexpr Version_t | Class_Version () |
static const char * | DeclFileName () |
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static TClass * | Class () |
static const char * | Class_Name () |
static constexpr Version_t | Class_Version () |
static const char * | DeclFileName () |
Protected Attributes | |
Double_t | fCalcMass |
Int_t | fDaughter [2] |
Double_t | fE |
Int_t | fMother [2] |
TParticlePDG * | fParticlePDG |
Int_t | fPdgCode |
Double_t | fPolarPhi |
Double_t | fPolarTheta |
Double_t | fPx |
Double_t | fPy |
Double_t | fPz |
Int_t | fStatusCode |
Double_t | fVt |
Double_t | fVx |
Double_t | fVy |
Double_t | fVz |
Float_t | fWeight |
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Color_t | fLineColor |
Line color. | |
Style_t | fLineStyle |
Line style. | |
Width_t | fLineWidth |
Line width. | |
Additional Inherited Members | |
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enum | { kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff } |
enum | { kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) } |
enum | EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) } |
enum | EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) } |
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enum | { kOnlyPrepStep = (1ULL << ( 3 )) } |
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virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). | |
void | MakeZombie () |
#include <TParticle.h>
TParticle::TParticle | ( | ) |
reference to the particle record in PDG database
default constructor
Definition at line 63 of file TParticle.cxx.
TParticle::TParticle | ( | Int_t | pdg, |
Int_t | status, | ||
Int_t | mother1, | ||
Int_t | mother2, | ||
Int_t | daughter1, | ||
Int_t | daughter2, | ||
Double_t | px, | ||
Double_t | py, | ||
Double_t | pz, | ||
Double_t | etot, | ||
Double_t | vx, | ||
Double_t | vy, | ||
Double_t | vz, | ||
Double_t | time | ||
) |
constructor
Definition at line 77 of file TParticle.cxx.
TParticle::TParticle | ( | Int_t | pdg, |
Int_t | status, | ||
Int_t | mother1, | ||
Int_t | mother2, | ||
Int_t | daughter1, | ||
Int_t | daughter2, | ||
const TLorentzVector & | p, | ||
const TLorentzVector & | v | ||
) |
constructor
Definition at line 98 of file TParticle.cxx.
TParticle::TParticle | ( | const TParticle & | part | ) |
copy constructor
Definition at line 119 of file TParticle.cxx.
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destructor
Definition at line 171 of file TParticle.cxx.
Int_t TParticle::Beauty | ( | ) | const |
Return beauty quantum number.
Definition at line 186 of file TParticle.cxx.
Int_t TParticle::Charm | ( | ) | const |
Return charm quantum number.
Definition at line 194 of file TParticle.cxx.
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Definition at line 182 of file TParticle.h.
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Definition at line 182 of file TParticle.h.
Compute distance from point px,py to a primary track.
Compute the closest distance of approach from point px,py to each segment of a track. The distance is computed in pixels units. ß
Reimplemented from TObject.
Definition at line 215 of file TParticle.cxx.
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Definition at line 81 of file TParticle.h.
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Definition at line 136 of file TParticle.h.
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Definition at line 137 of file TParticle.h.
Execute action corresponding to one event.
Reimplemented from TObject.
Definition at line 249 of file TParticle.cxx.
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Definition at line 91 of file TParticle.h.
Definition at line 89 of file TParticle.h.
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Definition at line 88 of file TParticle.h.
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Definition at line 84 of file TParticle.h.
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Definition at line 90 of file TParticle.h.
Double_t TParticle::GetMass | ( | ) | const |
Return nominal particle mass from PDG table.
Definition at line 178 of file TParticle.cxx.
Definition at line 85 of file TParticle.h.
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Definition at line 93 of file TParticle.h.
TParticlePDG * TParticle::GetPDG | ( | Int_t | mode = 0 | ) | const |
Returns a pointer to the TParticlePDG object using the pdgcode.
Definition at line 273 of file TParticle.cxx.
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Definition at line 83 of file TParticle.h.
Definition at line 108 of file TParticle.h.
void TParticle::GetPolarisation | ( | TVector3 & | v | ) | const |
Return particle polarisation.
Definition at line 284 of file TParticle.cxx.
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Definition at line 107 of file TParticle.h.
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Definition at line 106 of file TParticle.h.
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Definition at line 86 of file TParticle.h.
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Definition at line 82 of file TParticle.h.
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Definition at line 94 of file TParticle.h.
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Reimplemented from TObject.
Reimplemented in TEveMCTrack, and Jet.
Definition at line 182 of file TParticle.h.
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Definition at line 87 of file TParticle.h.
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Definition at line 112 of file TParticle.h.
Equal operator.
Definition at line 134 of file TParticle.cxx.
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Definition at line 134 of file TParticle.h.
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Definition at line 149 of file TParticle.h.
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Definition at line 100 of file TParticle.h.
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Definition at line 101 of file TParticle.h.
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Definition at line 102 of file TParticle.h.
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Print the internals of the primary vertex particle.
Reimplemented from TObject.
Definition at line 340 of file TParticle.cxx.
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Definition at line 113 of file TParticle.h.
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Definition at line 135 of file TParticle.h.
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Definition at line 131 of file TParticle.h.
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Definition at line 132 of file TParticle.h.
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Definition at line 133 of file TParticle.h.
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Definition at line 129 of file TParticle.h.
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Definition at line 130 of file TParticle.h.
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Definition at line 160 of file TParticle.h.
Definition at line 158 of file TParticle.h.
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Definition at line 157 of file TParticle.h.
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Definition at line 154 of file TParticle.h.
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Definition at line 159 of file TParticle.h.
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Definition at line 156 of file TParticle.h.
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Definition at line 167 of file TParticle.h.
Definition at line 166 of file TParticle.h.
Definition at line 155 of file TParticle.h.
void TParticle::SetPdgCode | ( | Int_t | pdg | ) |
Change the PDG code for this particle.
Get a new pointer to a TParticlePDG from TDatabasePDG. Recompute the mass.
Definition at line 353 of file TParticle.cxx.
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Definition at line 163 of file TParticle.h.
Set particle polarisation.
Definition at line 374 of file TParticle.cxx.
Definition at line 111 of file TParticle.h.
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Definition at line 110 of file TParticle.h.
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Definition at line 109 of file TParticle.h.
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Definition at line 169 of file TParticle.h.
Definition at line 168 of file TParticle.h.
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Definition at line 164 of file TParticle.h.
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Definition at line 165 of file TParticle.h.
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Return total X3D size of this primary.
Reimplemented from TAtt3D.
Definition at line 389 of file TParticle.cxx.
Int_t TParticle::Strangeness | ( | ) | const |
Return strangeness quantum number.
Definition at line 202 of file TParticle.cxx.
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Stream an object of class TParticle.
Reimplemented from TObject.
Reimplemented in TEveMCTrack, and Jet.
Definition at line 403 of file TParticle.cxx.
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Definition at line 182 of file TParticle.h.
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Definition at line 128 of file TParticle.h.
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Definition at line 150 of file TParticle.h.
Definition at line 115 of file TParticle.h.
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Definition at line 103 of file TParticle.h.
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Definition at line 104 of file TParticle.h.
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Definition at line 105 of file TParticle.h.
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Definition at line 125 of file TParticle.h.
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Definition at line 126 of file TParticle.h.
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Definition at line 127 of file TParticle.h.
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Definition at line 143 of file TParticle.h.
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Definition at line 37 of file TParticle.h.
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Definition at line 34 of file TParticle.h.
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Definition at line 42 of file TParticle.h.
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Definition at line 33 of file TParticle.h.
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Definition at line 52 of file TParticle.h.
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Definition at line 31 of file TParticle.h.
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Definition at line 50 of file TParticle.h.
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Definition at line 49 of file TParticle.h.
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Definition at line 39 of file TParticle.h.
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Definition at line 40 of file TParticle.h.
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Definition at line 41 of file TParticle.h.
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Definition at line 32 of file TParticle.h.
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Definition at line 47 of file TParticle.h.
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Definition at line 44 of file TParticle.h.
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Definition at line 45 of file TParticle.h.
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Definition at line 46 of file TParticle.h.
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Definition at line 35 of file TParticle.h.