feynml.propagator.Propagator

class feynml.propagator.Propagator(id: Optional[str] = None, pdgid: Optional[int] = None, name: Optional[str] = None, type: Optional[str] = None, particle: Optional[particle.particle.particle.Particle] = None, style: cssutils.css.cssstyledeclaration.CSSStyleDeclaration = <factory>, clazz: Optional[str] = None, label: Optional[str] = None, momentum: Optional[feynml.momentum.Momentum] = None, source: Optional[str] = '', target: Optional[str] = '')

Bases: Line, Connector

__init__(id: str | None = None, pdgid: int | None = None, name: str | None = None, type: str | None = None, particle: ~particle.particle.particle.Particle | None = None, style: ~cssutils.css.cssstyledeclaration.CSSStyleDeclaration = <factory>, clazz: str | None = None, label: str | None = None, momentum: ~feynml.momentum.Momentum | None = None, source: str | None = '', target: str | None = '') → None

Methods

__init__([id, pdgid, name, type, particle, ...])
conjugate()	Return the conjugate of the propagator.
connect(source, target)
get_length()	Get length of the connector
get_style_property(key)
get_tension()	Get tension of the connector
goes_into(vertex)	Return True if the propagator goes into the vertex, False otherwise.
goes_out_of(vertex)	Return True if the propagator goes out of the vertex, False otherwise.
is_anti()	Return True if the particle is an anti particle, False otherwise.
is_anti_fermion()	Return True if the particle is an anti fermion, False otherwise.
is_any_fermion()	Return True if the particle is a fermion or anti fermion, False otherwise.
is_fermion()	Return True if the particle is a fermion, False otherwise.
put_style(key, value)	Deprecated since version 0.0.0.
put_styles(**kwargs)	Deprecated since version 0.0.0.
raw_style()
with_class(clazz)
with_color(color)
with_id(id)	set id
with_label(value[, k])	Set label to value and return self.
with_length(length)	Add length to the connector
with_momentum(value[, k])	Set momentum to value and return self.
with_name(value[, k])	Set name to value and return self.
with_new_id()	generate new id
with_particle(value[, k])	Set particle to value and return self.
with_pdgid(value[, k])	Set pdgid to value and return self.
with_source(source)
with_style(style)
with_style_properties(**kwargs)
with_style_property(key, value)
with_target(target)
with_tension(tension)	Add tension to the connector
with_type(value[, k])	Set type to value and return self.

Attributes

clazz	CSS class string.
id
label
momentum	Momentum of the connector
name	Name of the particle
particle	Particle object from the particle package
pdgid	PDG ID of the particle
source	Source of the object
target	Target of the object
type	Type of the particle, e.g.
style	CSS style string.

clazz: str | None = None

CSS class string.

conjugate()

Return the conjugate of the propagator.

get_length()

Get length of the connector

get_tension()

Get tension of the connector

goes_into(vertex)

Return True if the propagator goes into the vertex, False otherwise.

goes_out_of(vertex)

Return True if the propagator goes out of the vertex, False otherwise.

is_anti()

Return True if the particle is an anti particle, False otherwise.

is_anti_fermion()

Return True if the particle is an anti fermion, False otherwise.

is_any_fermion()

Return True if the particle is a fermion or anti fermion, False otherwise.

is_fermion()

Return True if the particle is a fermion, False otherwise.

momentum: Momentum | None = None

Momentum of the connector

name: str | None = None

Name of the particle

particle: Particle | None = None

Particle object from the particle package

pdgid: int | None = None

PDG ID of the particle

put_style(key, value)

Deprecated since version 0.0.0.

put_styles(**kwargs)

Deprecated since version 0.0.0.

source: str | None = ''

Source of the object

style: CSSString

CSS style string.

target: str | None = ''

Target of the object

type: str | None = None

Type of the particle, e.g. fermion, boson, etc.

with_id(id: str)

set id

with_label(value, k='label')

Set label to value and return self.

with_length(length: float)

Add length to the connector

with_momentum(value, k='momentum')

Set momentum to value and return self.

with_name(value, k='name')

Set name to value and return self.

with_new_id()

generate new id

with_particle(value, k='particle')

Set particle to value and return self.

with_pdgid(value, k='pdgid')

Set pdgid to value and return self.

with_tension(tension: float)

Add tension to the connector

with_type(value, k='type')

Set type to value and return self.