Star formation issue

[Rob]

Hello all, 

I am having trouble successfully simulating simple star formation and was wondering if any Enzo users would be able to advise me on this. The output files show no signs of star particles.

Here is my parameter file:
ProblemType = 27
TopGridRank                = 3
TopGridDimensions          = 24 24 24
PotentialIterations        = 4
SelfGravity                = 1       // gravity on
TopGridGravityBoundary     = 0      
LeftFaceBoundaryCondition  = 3 3 3  
RightFaceBoundaryCondition = 3 3 3

CollapseTestRefineAtStart = 1
CollapseTestNumberOfSpheres = 1
CollapseTestUseColour = 1
CollapseTestUseParticles = 1
CollapseTestSphereType[0] = 0
CollapseTestSphereRadius[0] = .05
CollapseTestSphereDensity[0] = 100

StarParticleCreation = 1
StarParticleFeedback = 1
OutputGriddedStarParticle = 1


DensityUnits          = 1.673e-20      // 10^4 g cm^-3
LengthUnits           = 3.0857e+18     // 1 pc in cm
TimeUnits             = 3.1557e+13     // 1myr


StopTime          = 100
dtDataDump        = 10
DataDumpDir       = DD
DataDumpName      = DD
OutputTemperature = 1


Gamma                       = 1.6667
PPMDiffusionParameter       = 0      
DualEnergyFormalism         = 1        
InterpolationMethod         = 1        
CourantSafetyNumber         = 0.3
FluxCorrection              = 1
ConservativeInterpolation   = 0
HydroMethod                 = 0        


MultiSpecies                = 1      
RadiativeCooling            = 1        


StaticHierarchy = 0        // dynamic hierarchy
MaximumRefinementLevel = 4
MaximumGravityRefinementLevel = 4
MaximumParticleRefinementLevel = 4          
RefineBy = 2        // refinement factor
CellFlaggingMethod = 2 4 6       // use gas/DM mass, Jeans, MRP for refinement
UseMinimumPressureSupport = 0

UnigridTranspose = 2
#PartitionNestedGrids = 1
MinimumEfficiency = 0.3  // fraction efficiency (flagged/total cells in a grid)

MinimumOverDensityForRefinement = .1 .1
MinimumMassForRefinementLevelExponent = 0.0 0.0