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Handling of nonperturbative parameter Lambda4, N3LO corrections support#687

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reimersa wants to merge 3 commits intoWMass:mainfrom
reimersa:scale_lambda4
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Handling of nonperturbative parameter Lambda4, N3LO corrections support#687
reimersa wants to merge 3 commits intoWMass:mainfrom
reimersa:scale_lambda4

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  • Adds an option to scale the variation of the NP parameter Lambda4
    • Defaults to 1.0 for the moment, until we decide for a different value
  • Default variations are 0.01 and 0.12 (with 0.06 as central value)

@reimersa reimersa changed the title Handling of nonperturbative parameter Lambda4 Handling of nonperturbative parameter Lambda4, N3LO corrections support Apr 14, 2026
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The last commit only adds the updated N3LO corrections to the relevant lists of corrections, i.e., to expand their aS and PDF variations, and to make the by-helicity corrections by default.

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