diff --git a/Projects/Nebula/PhysicsListOption.txt b/Projects/Nebula/PhysicsListOption.txt
index 2a32a3b1722a1ec55d040d6e46faf8b513c453a0..f2cbcd7675186f1f5158b325efbb8cb49c81d912 100644
--- a/Projects/Nebula/PhysicsListOption.txt
+++ b/Projects/Nebula/PhysicsListOption.txt
@@ -1,11 +1,13 @@
-EmPhysicsList Option4
-DefaultCutOff 1
+EmPhysicsList Option4 
+DefaultCutOff 10
 IonBinaryCascadePhysics 0
 NPIonInelasticPhysics 0
 EmExtraPhysics 0
 HadronElasticPhysics 0
+HadronPhysicsQGSP_BIC_HP 0
+HadronPhysicsQGSP_BERT_HP 0
+HadronPhysicsQGSP_INCLXX_HP 1
+HadronPhysicsINCLXX 0
 StoppingPhysics 0
 OpticalPhysics 0
-HadronPhysicsINCLXX 0
-HadronPhysicsQGSP_BIC_HP 1
 Decay 0
diff --git a/Projects/Nebula/reaction/7Li_p_n_7Be.reaction b/Projects/Nebula/reaction/7Li_p_n_7Be.reaction
new file mode 100644
index 0000000000000000000000000000000000000000..43d6df9b32322d62dea72c02a0e99a28769b28b4
--- /dev/null
+++ b/Projects/Nebula/reaction/7Li_p_n_7Be.reaction
@@ -0,0 +1,26 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+Beam
+ Particle= p
+ Energy= 196 MeV
+ SigmaEnergy= 0 MeV
+ SigmaThetaX= 1 deg
+ SigmaPhiY= 1 deg
+ SigmaX= 5 mm
+ SigmaY= 5 mm
+ MeanThetaX= 0 deg
+ MeanPhiY= 0 deg
+ MeanX= 0 mm
+ MeanY= 0 mm
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+TwoBodyReaction
+ Beam= p
+ Target= 7Li
+ Light= n
+ Heavy= 7Be
+ ExcitationEnergyLight= 0.0 MeV
+ ExcitationEnergyHeavy= 0.43 MeV
+ CrossSectionPath= flat.txt CSR
+ ShootLight= 0
+ ShootHeavy= 0
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/Projects/Nebula/reaction/Calibration.reaction b/Projects/Nebula/reaction/Calibration.reaction
new file mode 100755
index 0000000000000000000000000000000000000000..002bf01ca2008602a8a6694a4077b2f4eb6df5b1
--- /dev/null
+++ b/Projects/Nebula/reaction/Calibration.reaction
@@ -0,0 +1,14 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+Beam
+ Particle= n 
+ Energy= 194 MeV
+ SigmaEnergy= 0 MeV
+ SigmaThetaX= 0.01 deg
+ SigmaPhiY= 0.01 deg
+ SigmaX= 0 mm
+ SigmaY= 0 mm
+ MeanThetaX= 0 deg
+ MeanPhiY= 0 deg
+ MeanX= 0 mm
+ MeanY= 0 mm
+ ZEmission= 0 mm
diff --git a/Projects/Nebula/SimpleNeutrons.reaction b/Projects/Nebula/reaction/MuonSource.reaction
similarity index 71%
rename from Projects/Nebula/SimpleNeutrons.reaction
rename to Projects/Nebula/reaction/MuonSource.reaction
index 6f5aea35fb4485aedc285ab8ba581ecc955b4c9a..aefc97f4458debc826bc23d2bbfe89671496877b 100755
--- a/Projects/Nebula/SimpleNeutrons.reaction
+++ b/Projects/Nebula/reaction/MuonSource.reaction
@@ -1,14 +1,14 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 Beam
- Particle= n
+ Particle= neutron 
  Energy= 196 MeV
  SigmaEnergy= 0.5 MeV
  SigmaThetaX= 0.01 deg
  SigmaPhiY= 0.01 deg
- SigmaX= 0.5 mm
- SigmaY= 0.5 mm
+ SigmaX= 0 mm
+ SigmaY= 0 mm
  MeanThetaX= 0 deg
  MeanPhiY= 0 deg
- MeanX= 3.5 cm
+ MeanX= 0 mm
  MeanY= 0 mm
- ZEmission= -1000 mm
+ ZEmission= 0 mm
diff --git a/Projects/Nebula/reaction/SimpleNeutrons.reaction b/Projects/Nebula/reaction/SimpleNeutrons.reaction
new file mode 100755
index 0000000000000000000000000000000000000000..604767b04eb4de424d5c33aa12d44a8700385ef9
--- /dev/null
+++ b/Projects/Nebula/reaction/SimpleNeutrons.reaction
@@ -0,0 +1,14 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+Beam
+ Particle= n 
+ Energy= 150 MeV
+ SigmaEnergy= 0 MeV
+ SigmaThetaX= 1.5 deg
+ SigmaPhiY= 1.5 deg
+ SigmaX= 0 cm
+ SigmaY= 0 cm
+ MeanThetaX= 0 deg
+ MeanPhiY= 0 deg
+ MeanX= 0 mm
+ MeanY= 0 mm
+ ZEmission= 0 mm
diff --git a/Projects/Nebula/reaction/SimpleNeutrons_focused.reaction b/Projects/Nebula/reaction/SimpleNeutrons_focused.reaction
new file mode 100755
index 0000000000000000000000000000000000000000..ab12dc152b9fcfac7bc4d7b8a40212b03a789700
--- /dev/null
+++ b/Projects/Nebula/reaction/SimpleNeutrons_focused.reaction
@@ -0,0 +1,14 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+Beam
+ Particle= n 
+ Energy= 194 MeV
+ SigmaEnergy= 0.0 MeV
+ SigmaThetaX= 0.1 deg
+ SigmaPhiY= 0.1 deg
+ SigmaX= 0 cm
+ SigmaY= 0 cm
+ MeanThetaX= 0 deg
+ MeanPhiY= 0 deg
+ MeanX= 0 mm
+ MeanY= 0 mm
+ ZEmission= 0 mm
diff --git a/Projects/Nebula/reaction/flat.txt b/Projects/Nebula/reaction/flat.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09b15128730aecce2f1126bf7937af827eba3712
--- /dev/null
+++ b/Projects/Nebula/reaction/flat.txt
@@ -0,0 +1,3 @@
+0 1
+90 1
+180 1