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<code>HelicityModel.kinematic_variables</code> are not correctly pickled

🐛 BugSomething isn't workingSomething isn't working

Status: Open.

Bug

#471 In ComPWA/ampform;

· tessabertels opened on Mar 20, 2025

Implement amplitude builder with general Wigner rotations

✨ FeatureNew feature added to the packageNew feature added to the package

💥 EpicCollection of issuesCollection of issues

Status: Open.

Epic

#453 In ComPWA/ampform;

· redeboer opened on Jan 24, 2025

Define <code>BreitWigner</code> expression class

✨ FeatureNew feature added to the packageNew feature added to the package

Status: Open.

Enhancement

#438 In ComPWA/ampform;

· redeboer opened on Oct 2, 2024

· 

0.15.6

First argument of <code>FormFactor</code> should be in GeV, not GeV² (<code>s</code>)

⚠️ InterfaceBreaking changes to the APIBreaking changes to the API

❔ QuestionDiscuss this matter in the teamDiscuss this matter in the team

Status: Open.

#429 In ComPWA/ampform;

· redeboer opened on May 28, 2024

Remove <code>HelicityAmplitudeBuilder.set_dynamics()</code> method

⚠️ InterfaceBreaking changes to the APIBreaking changes to the API

Status: Open.

#401 In ComPWA/ampform;

· redeboer opened on Mar 4, 2024

· 

0.16.0

Implement tensor formalism

✨ FeatureNew feature added to the packageNew feature added to the package

Status: Open.

Epic

#351 In ComPWA/ampform;

· redeboer opened on Jun 20, 2023

Show how Flatté can be derived from a 2-channel K-matrix

📝 DocsImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#349 In ComPWA/ampform;

· redeboer opened on May 30, 2023

Reconsider amplitude builder design to improve implementation of spin alignment

⚠️ InterfaceBreaking changes to the APIBreaking changes to the API

❔ QuestionDiscuss this matter in the teamDiscuss this matter in the team

Status: Open.

Epic

#318 In ComPWA/ampform;

· redeboer opened on Aug 2, 2022

· 

0.16.0

Build helicity basis with minimal angular momentum

✨ FeatureNew feature added to the packageNew feature added to the package

Status: Open.

#310 In ComPWA/ampform;

· redeboer opened on Jun 30, 2022

Sum DPD Wigner-D functions over all allowed helicities

🐛 BugSomething isn't workingSomething isn't working

Status: Open.

#309 In ComPWA/ampform;

· redeboer opened on Jun 30, 2022

· 

0.15.4

Consider combining or renaming <code>dynamics.phasespace</code>

⚠️ InterfaceBreaking changes to the APIBreaking changes to the API

❔ QuestionDiscuss this matter in the teamDiscuss this matter in the team

Status: Open.

#293 In ComPWA/ampform;

· redeboer opened on May 23, 2022

Improve documentation of parity prefactor

📝 DocsImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#284 In ComPWA/ampform;

· redeboer opened on May 16, 2022

· 

0.16.0