Merge pull request #726 from SBNSoftware/feature/bearc_mpvmpr_dirt_fix

Simulate dirt neutrinos in MPV

Author: nathanielerowe

sbndcode/JobConfigurations/standard/gen/MultiPart/multipartvertex_sbnd.fcl

@@ -30,9 +30,9 @@ MultiPartRain : {
     G4Time       : 819.2 # [ns]
     G4TimeJitter : 1638.4 # [ns]
     TPCRange     : [[0,0],[0,1]]
-    XRange       : [20,20]
-    YRange       : [20,20]
-    ZRange       : [20,20]
+    XRange       : [-20,-20]
+    YRange       : [-20,-20]
+    ZRange       : [-20,-20]
     DirectInward : true
     CosmicDistribution : false
     MultiMax     : 5
@@ -58,4 +58,4 @@ MultiPartRain2.ParticleParameter.MaxMulti     : [          5,        5,
 MultiPartRain2.ParticleParameter.ProbWeight   : [          5,        5,          1]
 MultiPartRain2.ParticleParameter.KERange      : [ [0.0,20.0], [0.0,2.0], [0.0,1.0]]
 
-END_PROLOG
+END_PROLOG