dynamics

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dynamics#

import ampform_dpd.dynamics

Functions for dynamics lineshapes and kinematics.

class RelativisticBreitWigner(*args)[source]#

Bases: Expr

s: Any[source]#
mass0: Any[source]#
gamma0: Any[source]#
m1: Any[source]#
m2: Any[source]#
angular_momentum: Any[source]#
meson_radius: Any[source]#
class P(*args)[source]#

Bases: Expr

s: Any[source]#
mi: Any[source]#
mj: Any[source]#
class Q(*args)[source]#

Bases: Expr

s: Any[source]#
m0: Any[source]#
mk: Any[source]#
class BreitWignerMinL(*args)[source]#

Bases: Expr

s: Any[source]#
decaying_mass: Any[source]#
spectator_mass: Any[source]#
resonance_mass: Any[source]#
resonance_width: Any[source]#
child2_mass: Any[source]#
child1_mass: Any[source]#
l_dec: Any[source]#
l_prod: Any[source]#
R_dec: Any[source]#
R_prod: Any[source]#
class BuggBreitWigner(*args)[source]#

Bases: Expr

s: Any[source]#
m0: Any[source]#
Γ0: Any[source]#
m1: Any[source]#
m2: Any[source]#
γ: Any[source]#
class FlattéSWave(*args)[source]#

Bases: Expr

s: Any[source]#
m0: Any[source]#
widths: tuple[Any, Any][source]#
masses1: tuple[Any, Any][source]#
masses2: tuple[Any, Any][source]#
class EnergyDependentWidth(*args)[source]#

Bases: Expr

s: Any[source]#
m0: Any[source]#
Γ0: Any[source]#
m1: Any[source]#
m2: Any[source]#
L: Any[source]#
R: Any[source]#
class BlattWeisskopf(*args)[source]#

Bases: Expr

z: Any[source]#
L: Any[source]#
class FormFactor(*args)[source]#

Bases: Expr

s: Any[source]#
m1: Any[source]#
m2: Any[source]#
angular_momentum: Any[source]#
meson_radius: Any[source]#
class MultichannelBreitWigner(*args)[source]#

Bases: Expr

s: Any[source]#
mass: Any[source]#
channels: tuple[ChannelArguments, ...][source]#
class ChannelArguments(*args)[source]#

Bases: Expr

s: Any[source]#
m0: Any[source]#
width: Any[source]#
m1: Any = 0[source]#
m2: Any = 0[source]#
angular_momentum: Any = 0[source]#
meson_radius: Any = 1[source]#
class BreitWigner(*args)[source]#

Bases: Expr

s: Any[source]#
mass: Any[source]#
width: Any[source]#
m1: Any = 0[source]#
m2: Any = 0[source]#
angular_momentum: Any = 0[source]#
meson_radius: Any = 1[source]#
energy_dependent_width() → Expr[source]#
class SimpleBreitWigner(*args)[source]#

Bases: Expr

s: Any[source]#
mass: Any[source]#
width: Any[source]#

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