On May 26, 2015, at 3:11 PM, Holly Vance <[log in to unmask]> wrote:

Hi Pelle,

I have a simple steering file here that can take in your non-spaced events:

org.hps.steering.users.holly.EcalReadoutNoPileUp

Cool. That is good to have.

This will treat each event independently and can tell you if you are having problems in your readout of the data (it will show you where the peaks are and if you did spacing correctly, etc). This uses the full Recon Clusterer which works fine with Monte Carlo (as least I have never had any problems with it).

Right now I’m trying to use our official simulation (see other email, didn’t see your reply before sending it) which includes spaced out events. The energy of the recon clusters are a little weird. Positions doesn’t seem crazy though. Any ideas what can go wrong?

/pelle

-Holly

On Tue, May 26, 2015 at 5:50 PM, Kyle McCarty <[log in to unmask]> wrote:

Hello Pelle,

Your cluster energy distributions definitely look different from what I saw (see the attached PDF). What clustering algorithm are you using? You need to use the GTPClusterer algorithm for it work right with Monte Carlo; you might be using GTPOnlineClusterer, which only works for the EvIO readout. I'm not sure why you would get more When I run reconstruction for Monte Carlo, I used the following drivers (note that I didn't include tracking):

org.hps.conditions.ConditionsDriver
org.hps.readout.ecal.FADCEcalReadoutDriver
org.hps.recon.ecal.EcalRawConverterDriver
org.hps.recon.ecal.cluster.GTPClusterDriver
org.hps.readout.ecal.FADCPrimaryTriggerDriver

You need the GTPClusterDriver to properly handle Monte Carlo hit readout, GTP clustering to make sure that you are simulating the hardware, and then the FADCPrimaryTriggerDriver simulates the hardware pair trigger. Are you using these same drivers?

- Kyle

On Tue, May 26, 2015 at 5:42 PM, Hansson Adrian, Per Ola <[log in to unmask]> wrote:

Hi Again,

following up on this topic.

Running recon:

java -jar target/hps-distribution-3.3.1-SNAPSHOT-bin.jar /org/hps/steering/recon/EngineeringRun2015FullRecon.lcsim -DoutputFile=outfile -i bunched-readout.slcio

I see ECal energies that don’t look right. Any idea?

I see about 180 tracks in these 1342 triggered events. They look ok but the number seems low?

Am I forgetting something again?

/Pelle

<Screen Shot 2015-05-26 at 2.22.35 PM.png>

<Screen Shot 2015-05-26 at 2.31.44 PM.png>

On May 26, 2015, at 1:43 PM, Hansson Adrian, Per Ola <[log in to unmask]> wrote:

Ok,

using 150 bunches on 10k events I get ~13% acceptance.

Thanks,

pelle

Trigger Processing Results

Single-Cluster Cuts

Total Clusters Processed :: 20295

Passed Seed Energy Cut :: 14119

Passed Hit Count Cut :: 11938

Passed Total Energy Cut :: 10991

Cluster Pair Cuts

Total Pairs Processed :: 3168

Passed Energy Sum Cut :: 2942

Passed Energy Difference Cut :: 2941

Passed Energy Slope Cut :: 2755

Passed Coplanarity Cut :: 1342

Trigger Count :: 1342

Trigger Module Cut Values:

Seed Energy Low :: 0.050

Seed Energy High :: 6.600

Cluster Energy Low :: 0.060

Cluster Energy High :: 0.630

Cluster Hit Count :: 2

Pair Energy Sum Low :: 0.200

Pair Energy Sum High :: 0.860

Pair Energy Difference :: 0.540

Pair Energy Slope :: 0.6

Pair Coplanarity :: 30.0

FADCPrimaryTriggerDriver: Trigger count: 1342

On May 25, 2015, at 3:23 PM, Kyle McCarty <[log in to unmask]> wrote:

Hello Pelle,

If you are reconstructing everything from a SLiC file, you need to space out the events because each one contains an A' event and will produce weird pile-up otherwise. I usually insert around 150 empty events between each real event to ensure that the hits and clusters (which are displaced by around 60ish events from the source) do not overlap at all. You can do this with the command:

java -cp $HPS_JAVA org.hps.users.meeg.FilterMCBunches $INPUT $OUTPUT -e150 -a

You should definitely get better acceptance that that as well; I got somewhere between 15% - 20% acceptance for 40 MeV (I don't have the exact value on hand).

Note also that there are (or at least were last I checked) differences in how the Monte Carlo simulation is stored versus the EvIO. In the EvIO data, all the hits and clusters for an event are stored in the same event, but in Monte Carlo readout, they are spaced across several events with each event representing 2 ns of time. As such, some drivers that work for EvIO readout do not for the Monte Carlo (this mainly affects clustering). Sho can correct me if I am misrepresenting something here.

- Kyle

On Mon, May 25, 2015 at 6:08 PM, Hansson Adrian, Per Ola <[log in to unmask]> wrote:

Just realized, how is the bunch spacing simulated in the readout step? I suppose I need to add some amount of “time” between the events or do a “NoPileUp” simulation...

/Pelle

On May 25, 2015, at 3:04 PM, Hansson Adrian, Per Ola <[log in to unmask]> wrote:

Hi,

Have some issues getting the MC simulation to run.

I’m running readout and recon over some 1.1GeV 40MeV A' MC files locally with the trunk. Slic file is here:

/nfs/slac/g/hps3/users/phansson/ap1.1gev40mevall_1_200ux40u_beamspot_gammactau_0cm_30mrad_SLIC-v04-00-00_Geant4-v10-00-02_QGSP_BERT_HPS-EngRun2015-Nominal-v1.slcio

I’m using Nominal-v1 detector and I simulate readout with:

java -jar target/hps-distribution-3.3.1-SNAPSHOT-bin.jar ../kepler2/hps-java/steering-files/src/main/resources/org/hps/steering/readout/EngineeringRun2015TrigPairs1.lcsim -Ddetector=HPS-EngRun2015-Nominal-v1 -Drun=2000

I see 245 accepted events out of 10k events which is much lower than I would naively expect?

I then run recon with:

java -jar target/hps-distribution-3.3.1-SNAPSHOT-bin.jar ../kepler2/hps-java/steering-files/src/main/resources/org/hps/steering/recon/EngineeringRun2015FullRecon.lcsim -DoutputFile=outfiles/ap1.1gev40mevall_1_200ux40u_beamspot_gammactau_0cm_30mrad_SLIC-v04-00-00_Geant4-v10-00-02_QGSP_BERT_HPS-EngRun2015-Nominal-v1-recon -i outfiles/ap1.1gev40mevall_1_200ux40u_beamspot_gammactau_0cm_30mrad_SLIC-v04-00-00_Geant4-v10-00-02_QGSP_BERT_HPS-EngRun2015-Nominal-v1-readout.slcio

And I basically get to the 2nd event and then it just hangs there for 5-10mins.

Are these the right steps with the latest and greatest sw? Any ideas?

/pelle

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