AtlasTopPhysicsSamples

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Location of ATLAS top group physics samples

The different samples

A short description of the sample necessary for the Rome tt analysis:

T1: TTbar events using MCatNLO. Fully hadronic events were rejected.

T2: TTbar events using MCatNLO. Fully hadronic events were rejected and at least 1 top has 500 GeV

A7: W+4jet events using AlpGen.

Note 1: Given the limited manpower and diskspace we only collected a subset of all file formats (no 'simul' and ESD files for example).

Note 2: In producing the TopNtuples for the A7 sample some AODs were discarded since they gave problems. The TopNtuples have a bit less events than the AODs.


A short description of the sample generated using TopReX. All samples were reconstructed with Full Simulation (GEANT4) unless specified.

4511: W-gluon single top production.

4520: ttbar pair production. W- decays to leptons (e, mu), W+ decays to jets

4521: ttbar pair production. W+ decays to leptons (e, mu), W- decays to jets

4522: ttbar pair production. Dilepton sample.

4530: W-top associated production. W+ decaying to hadrons, W- decaying to leptons.

4531: W-top associated production. W- decaying to hadrons, W+ decaying to leptons.

4540: s-channel single top production.

4599: Wbbbar background sample. ATLFAST ONLY.

Links to the available files

T1 sample
Sample Sub-sample Location Statistics
MatrixElement files Repository 200 x 12,500 events
Generator POOL files Repository 200 x 5,000 events
CBNT Rome Repository 7,000 x 50 events (1000 files missing)
AOD AtlFast Repository 200 x 5,000 events
Full (Rome) Repository 4,000 x 50 events
Full (Rome/Eric) Repository 7,000 x 50 events (few still missing)
TopNtuple AtlFast (V6) Repository 20 x ?? events
Full (Rome/Eric) (V6) Repository 14 x ?? events

How to get the Ntuples to your institute:

- To copy all TopNtuples from NIKHEF to your institute just get the following small python script called Get_TopNtuples_From_NIKHEF.py and run it: ./Get_TopNtuples_From_NIKHEF.py. Note that for the AOD's you will have to do a bit more sophisticated and get a list of ascii files first (more later).

- Another script you can use as example on how to get the files to your institute is DataFetch.py which was constructed by Akira Shibata.


Athena release 11:

The ESD/AODs created using Athena release 11 were made by Nabil Ghodbane and can the corresponding files can be found on his CASTOR directory:

ESD: /castor/cern.ch/user/g/ghodbane/ESD/rome.004100.aod1103.T1_McAtNLO_top

AOD: /castor/cern.ch/user/g/ghodbane/ESD/rome.004100.esd1103.T1_McAtNLO_top


T2 sample
Sample Sub-sample Location Statistics
MatrixElement files Repository 100 x 12,500 events
Generator POOL files Repository 100 x 5,000 events
CBNT Rome Repository 100 x 50 events
AOD AtlFast Repository 100 x 5,000 events
Full (Rome) Repository 8 x ?? events
TopNtuple AtlFast (V6) Repository 9 x ?? events
Full (Rome) (V6) Repository 2 x ?? events


A7 sample
Sample Sub-sample Location Statistics
AOD Rome Repository 180,000 events
TopNtuple Full (Rome) (V6) Repository 153,000 events




sample 4511
Sample Sub-sample Location Statistics
Generator POOL files Repository 20 x 5,000 events
CBNT Repository 2,000 x 50 events
AOD Repository 2,000 x 50 events
Top Ntuple Repository 1 file, 84797 events
sample 4520
Sample Sub-sample Location Statistics
Generator POOL files Repository 60 x 5,000 events
AOD Repository 2,000 x 50 events
sample 4521
Sample Sub-sample Location Statistics
Generator POOL files Repository 60 x 5,000 events
AOD Repository 2,000 x 50 events
sample 4522
Sample Sub-sample Location Statistics
Generator POOL files Repository 20 x 5,000 events
sample 4530
Sample Sub-sample Location Statistics
Generator POOL files Repository 8 x 5,000 events
AOD Repository 800 x 50 events
Top Ntuple Repository 1 file, 35336 events
sample 4531
Sample Sub-sample Location Statistics
Generator POOL files Repository 8 x 5,000 events
AOD Repository 800 x 50 events
Top Ntuple Repository 1 file, 34009 events
sample 4540
Sample Sub-sample Location Statistics
Generator POOL files Repository 12 x 5,000 events
AOD Repository 1200 x 50 events
Top Ntuple Repository 1 file, 44888 events
sample 4599
Sample Sub-sample Location Statistics
Generator POOL files Repository 20 x 5,000 events
ATLFAST AOD Repository 20 x 5,000 events
Top Ntuple Repository 1 file, 100k events