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Adding axial form factor uncertainties #2

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kjplows merged 2 commits into from
Jan 14, 2026
Merged

Adding axial form factor uncertainties #2

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kjplows Jan 9, 2026
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Added z-expansion axial FF uncertainty param_set s
kjplows Jan 9, 2026
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2 changes: 1 addition & 1 deletion VERSION
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@@ -1 +1 @@
999.999.999
3.06.02.sbn
50 changes: 50 additions & 0 deletions config/GSystUncertaintyTable.xml
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Expand Up @@ -37,6 +37,9 @@ values for each Reweight tweak dial. All of these have default values of zero.
<param type="double" name="ZNormCCQE@PlusOneSigma"> 0.20 </param>
<param type="double" name="ZNormCCQE@MinusOneSigma"> 0.15 </param>

<!-- The z-expansion axial FFs have keys for multiple parameter sets.
These are defaults from A. S. Meyer, M. Betancourt, R. Gran, and R. J. Hill,
Phys. Rev. D 93 (2016) 113015 -->
<param type="double" name="ZExpA1CCQE@PlusOneSigma"> 0.14 </param>
<param type="double" name="ZExpA1CCQE@MinusOneSigma"> 0.14 </param>

Expand Down Expand Up @@ -329,6 +332,53 @@ values for each Reweight tweak dial. All of these have default values of zero.
<param type="double" name="ZExpELFFBN4CCQE@MinusOneSigma"> 41.4534 </param>

</param_set>

<!-- Additional parameter sets for z-expansion axial form factors added by J. Plows -->
<!-- T. Cai et al (MINERvA), Nature 614 (2023) 48-53, kmax=8 -->
<param_set name="ZExpAxialFF-minervaNature">
<param type="double" name="ZExpA1CCQE@PlusOneSigma"> 0.31 </param>
<param type="double" name="ZExpA1CCQE@MinusOneSigma"> 0.31 </param>

<param type="double" name="ZExpA2CCQE@PlusOneSigma"> 0.7 </param>
<param type="double" name="ZExpA2CCQE@MinusOneSigma"> 0.7 </param>

<param type="double" name="ZExpA3CCQE@PlusOneSigma"> 1.9 </param>
<param type="double" name="ZExpA3CCQE@MinusOneSigma"> 1.9 </param>

<param type="double" name="ZExpA4CCQE@PlusOneSigma"> 3.5 </param>
<param type="double" name="ZExpA4CCQE@MinusOneSigma"> 3.5 </param>
</param_set>

<!-- A. Meyer et al (MINERvA), arXiv: 2512.14097, kmax=6 -->
<!-- This publication also includes a LQCD fit so we put this in too -->
<param_set name="ZExpAxialFF-minervaElementaryTarget">
<param type="double" name="ZExpA1CCQE@PlusOneSigma"> 0.24 </param>
<param type="double" name="ZExpA1CCQE@MinusOneSigma"> 0.24 </param>

<param type="double" name="ZExpA2CCQE@PlusOneSigma"> 0.30 </param>
<param type="double" name="ZExpA2CCQE@MinusOneSigma"> 0.30 </param>

<param type="double" name="ZExpA3CCQE@PlusOneSigma"> 0.0 </param>
<param type="double" name="ZExpA3CCQE@MinusOneSigma"> 0.0 </param>

<param type="double" name="ZExpA4CCQE@PlusOneSigma"> 0.0 </param>
<param type="double" name="ZExpA4CCQE@MinusOneSigma"> 0.0 </param>
</param_set>

<param_set name="ZExpAxialFF-LQCD">
<param type="double" name="ZExpA1CCQE@PlusOneSigma"> 0.052 </param>
<param type="double" name="ZExpA1CCQE@MinusOneSigma"> 0.052 </param>

<param type="double" name="ZExpA2CCQE@PlusOneSigma"> 0.13 </param>
<param type="double" name="ZExpA2CCQE@MinusOneSigma"> 0.13 </param>

<param type="double" name="ZExpA3CCQE@PlusOneSigma"> 0.0 </param>
<param type="double" name="ZExpA3CCQE@MinusOneSigma"> 0.0 </param>

<param type="double" name="ZExpA4CCQE@PlusOneSigma"> 0.0 </param>
<param type="double" name="ZExpA4CCQE@MinusOneSigma"> 0.0 </param>
</param_set>

<param_set name="CovarianceMatrix">
<param type="mat-double" name="ZExpELFF@CovarianceMatrix" importfile="true"> data/covariances/ELZExpFF.dat </param>
</param_set>
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