diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 67a558c2d..64572664f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,22 +32,22 @@ jobs:
             cd tst/regression
             mkdir build_minkowski_release
             cd build_minkowski_release
-            cmake -DCMAKE_BUILD_TYPE=Release -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=Minkowski -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON ../../../
+            cmake -DCMAKE_BUILD_TYPE=Release -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=Minkowski -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON -DPHOEBUS_DO_NU_ELECTRON_ANTI=Off -DPHOEBUS_DO_NU_HEAVY=Off ../../../
             cmake --build . --parallel 8
             cd ..
             mkdir build_fmks_release
             cd build_fmks_release
-            cmake -DCMAKE_BUILD_TYPE=Release -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=FMKS -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON ../../../
+            cmake -DCMAKE_BUILD_TYPE=Release -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=FMKS -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON .-DPHOEBUS_DO_NU_ELECTRON_ANTI=Off -DPHOEBUS_DO_NU_HEAVY=Off ../../../
             cmake --build . --parallel 8
             cd ..
             mkdir build_minkowski_debug
             cd build_minkowski_debug
-            cmake -DCMAKE_BUILD_TYPE=Debug -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=Minkowski -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON ../../../
+            cmake -DCMAKE_BUILD_TYPE=Debug -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=Minkowski -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON .-DPHOEBUS_DO_NU_ELECTRON_ANTI=Off -DPHOEBUS_DO_NU_HEAVY=Off ../../../
             cmake --build . --parallel 8
             cd ..
             mkdir build_fmks_debug
             cd build_fmks_debug
-            cmake -DCMAKE_BUILD_TYPE=Debug -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=FMKS -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON ../../../
+            cmake -DCMAKE_BUILD_TYPE=Debug -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=FMKS -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON .-DPHOEBUS_DO_NU_ELECTRON_ANTI=Off -DPHOEBUS_DO_NU_HEAVY=Off ../../../
             cmake --build . --parallel 8
             cd ..
             # is there a run directory that shouldn't be here?
@@ -79,7 +79,7 @@ jobs:
           run: |
             mkdir build
             cd build
-            cmake -DCMAKE_BUILD_TYPE=Release -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=Minkowski -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON ../
+            cmake -DCMAKE_BUILD_TYPE=Release -DPHOEBUS_ENABLE_UNIT_TESTS=ON -DMAX_NUMBER_CONSERVED_VARS=10 -DPHOEBUS_GEOMETRY=Minkowski -DPHOEBUS_CACHE_GEOMETRY=ON -DPARTHENON_DISABLE_HDF5_COMPRESSION=ON .-DPHOEBUS_DO_NU_ELECTRON_ANTI=Off -DPHOEBUS_DO_NU_HEAVY=Off ../
             cmake --build . --parallel 4
         - name: Run unit tests
           run: |