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Package madgraph :: Package iolibs :: Module group_subprocs :: Class IdentifyConfigTag
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Class IdentifyConfigTag

source code

                        object --+    
                                 |    
core.diagram_generation.DiagramTag --+
                                     |
                                    IdentifyConfigTag

DiagramTag daughter class to identify diagrams giving the same config. Need to compare leg number, mass, width, and color.

Nested Classes [hide private]

Inherited from core.diagram_generation.DiagramTag: DiagramTagError

Instance Methods [hide private]

Inherited from core.diagram_generation.DiagramTag: __eq__, __gt__, __init__, __lt__, __ne__, __repr__, __str__, get_external_numbers

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __subclasshook__

Static Methods [hide private]
 
link_from_leg(leg, model)
Returns the end link for a leg needed to identify matrix elements: ((leg numer, state, spin, self_antipart, mass, width, color, decay and is_part), number).		 source code
 
vertex_id_from_vertex(vertex, last_vertex, model, ninitial)
Returns the info needed to identify matrix elements: interaction color, lorentz, coupling, and wavefunction spin, self_antipart, mass, width, color, decay and is_part.		 source code
 
flip_vertex(new_vertex, old_vertex)
Move the wavefunction part of vertex id appropriately		 source code

Inherited from core.diagram_generation.DiagramTag: reorder_permutation

Properties [hide private]

Inherited from object: __class__

Method Details [hide private]

link_from_leg(leg, model)
Static Method

source code 

Returns the end link for a leg needed to identify matrix elements: ((leg numer, state, spin, self_antipart, mass, width, color, decay and is_part), number).

Overrides: core.diagram_generation.DiagramTag.link_from_leg

vertex_id_from_vertex(vertex, last_vertex, model, ninitial)
Static Method

source code 

Returns the info needed to identify matrix elements: interaction color, lorentz, coupling, and wavefunction spin, self_antipart, mass, width, color, decay and is_part. Note that is_part needs to be flipped if we move the final vertex around.

Overrides: core.diagram_generation.DiagramTag.vertex_id_from_vertex

flip_vertex(new_vertex, old_vertex)
Static Method

source code 

Move the wavefunction part of vertex id appropriately

Overrides: core.diagram_generation.DiagramTag.flip_vertex

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