diff --git a/Regression/Checksum/benchmarks_json/Deuterium_Deuterium_Fusion_3D_intraspecies.json b/Regression/Checksum/benchmarks_json/Deuterium_Deuterium_Fusion_3D_intraspecies.json
index dd2329c6061..45e29874cda 100644
--- a/Regression/Checksum/benchmarks_json/Deuterium_Deuterium_Fusion_3D_intraspecies.json
+++ b/Regression/Checksum/benchmarks_json/Deuterium_Deuterium_Fusion_3D_intraspecies.json
@@ -1,34 +1,34 @@
 {
   "lev=0": {
     "rho": 0.0,
-    "rho_deuterium": 8203144355.616676,
-    "rho_helium3": 10.463281344141109
+    "rho_deuterium": 8203144355.767546,
+    "rho_helium3": 10.312416024595505
   },
   "neutron": {
-    "particle_momentum_x": 2.2591401355460135e-15,
-    "particle_momentum_y": 2.256961438879473e-15,
-    "particle_momentum_z": 2.2653544822252808e-15,
-    "particle_position_x": 62.00907037409836,
-    "particle_position_y": 62.23961727951054,
-    "particle_position_z": 62.20628469379921,
-    "particle_weight": 510208323.8913497
+    "particle_momentum_x": 2.260586487910896e-15,
+    "particle_momentum_y": 2.2564723094408887e-15,
+    "particle_momentum_z": 2.263164930227645e-15,
+    "particle_position_x": 62.03084683414219,
+    "particle_position_y": 61.95011296352698,
+    "particle_position_z": 62.02404756675538,
+    "particle_weight": 502851860.91505826
   },
   "deuterium": {
-    "particle_momentum_x": 1.3370046499332103e-14,
-    "particle_momentum_y": 1.3364310231320824e-14,
-    "particle_momentum_z": 1.3372728873714894e-14,
-    "particle_position_x": 2560.1613417364665,
-    "particle_position_y": 2560.082464065988,
-    "particle_position_z": 2560.0018477161034,
-    "particle_weight": 7.999999989795828e+17
+    "particle_momentum_x": 1.3380470537895298e-14,
+    "particle_momentum_y": 1.3367685546044215e-14,
+    "particle_momentum_z": 1.3372922616599391e-14,
+    "particle_position_x": 2559.782513518522,
+    "particle_position_y": 2559.8747993471684,
+    "particle_position_z": 2560.2864832238383,
+    "particle_weight": 7.999999989942968e+17
   },
   "helium3": {
-    "particle_momentum_x": 2.278765848392376e-15,
-    "particle_momentum_y": 2.2788932060865207e-15,
-    "particle_momentum_z": 2.2859200664075675e-15,
-    "particle_position_x": 62.00907037409836,
-    "particle_position_y": 62.23961727951054,
-    "particle_position_z": 62.20628469379921,
-    "particle_weight": 510208323.8913497
+    "particle_momentum_x": 2.278275200450756e-15,
+    "particle_momentum_y": 2.2738610200497133e-15,
+    "particle_momentum_z": 2.2792408973056887e-15,
+    "particle_position_x": 62.03084683414219,
+    "particle_position_y": 61.95011296352698,
+    "particle_position_z": 62.02404756675538,
+    "particle_weight": 502851860.91505826
   }
 }