align#
import ampform.helicity.align
Different formalisms for aligning amplitudes in different sub-systems.
- class SpinAlignment[source]#
Bases:
ABC
- abstract formulate_amplitude(reaction: ReactionInfo) Expr [source]#
- class NoAlignment[source]#
Bases:
SpinAlignment
Sum the amplitudes without any spin alignment.
- static formulate_amplitude(reaction: ReactionInfo) Expr [source]#
Submodules and Subpackages