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Add aligned-spin conditions to PhenomPv2 angle calculations#3

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thomasckng merged 3 commits intoGW-JAX-Team:ripple-devfrom
SSL32081:fix-Pv2-AlignedSpin
Oct 28, 2025
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Add aligned-spin conditions to PhenomPv2 angle calculations#3
thomasckng merged 3 commits intoGW-JAX-Team:ripple-devfrom
SSL32081:fix-Pv2-AlignedSpin

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@SSL32081 SSL32081 commented Oct 25, 2025

This PR adds back the special treatments for two angles in the aligned-spin case implemented in LALSimulation for PhenomPv2.
These changes do not affect the behaviour of PhenomPv2 in most cases, and only in aligned-spin cases.

Specifically, they are here in LALSimulation:

This PR also fixes the apparent $\pi / 2$ phase shift mentioned in tedwards2412#35.

This PR is duplicated from tedwards2412#36

@SSL32081 SSL32081 requested a review from thomasckng October 25, 2025 09:10
@thomasckng thomasckng changed the base branch from main to ripple-dev October 28, 2025 10:20
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Similar to Jim, I want to keep our changes in a development branch and test it out before merging into main. I will merge this for now.

@thomasckng thomasckng merged commit 07e6ec2 into GW-JAX-Team:ripple-dev Oct 28, 2025
@thomasckng thomasckng requested a review from robkamcha November 5, 2025 09:57
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These changes look consistent with LAL to me, cheers Samson!

@thomasckng thomasckng removed their request for review November 5, 2025 10:20
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3 participants