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Introduce "Unknown" state for Parity #19

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spflueger opened this issue Sep 22, 2020 · 0 comments
Open

Introduce "Unknown" state for Parity #19

spflueger opened this issue Sep 22, 2020 · 0 comments
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✨ Feature New feature added to the package ⚠️ Interface Breaking changes to the API

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@spflueger
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The Parity objects require a third state (next to -1, 1). This third state, "Unknown" resembles that a particle will have a Parity but it is currently unknown if it is +1 or -1.
Next to those 3 intrinsic states of parities, some parities like G-parity or C-Parity are not always defined for particles. Hence these would be of type Optional[Parity]. The space inversion parity exists for all particles so this would be a non optional attribute.

@redeboer redeboer transferred this issue from ComPWA/expertsystem Apr 6, 2021
@redeboer redeboer added ⚠️ Interface Breaking changes to the API ✨ Feature New feature added to the package labels Apr 16, 2021
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Labels
✨ Feature New feature added to the package ⚠️ Interface Breaking changes to the API
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