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ColliderML_ttbar_pu0

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parquet
Size:
100K - 1M
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physics
high-energy-physics
particle-physics
tracking
calorimetry
machine-learning
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license: cc-by-4.0
task_categories:
- other
tags:
- physics
- high-energy-physics
- particle-physics
- tracking
- calorimetry
- machine-learning
- simulation
pretty_name: ColliderML Top-Quark Pair Production (No Pileup)
size_categories:
- 10K<n<100K
configs:
- config_name: particles
data_files:
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events0-999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events1000-1999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events10000-10999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events11000-11999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events12000-12999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events13000-13999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events14000-14999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events15000-15999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events16000-16999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events17000-17999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events18000-18999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events19000-19999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events2000-2999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events20000-20999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events21000-21999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events22000-22999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events23000-23999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events24000-24999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events25000-25999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events26000-26999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events27000-27999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events28000-28999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events29000-29999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events3000-3999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events30000-30999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events31000-31999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events32000-32999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events33000-33999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events34000-34999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events35000-35999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events36000-36999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events37000-37999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events38000-38999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events39000-39999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events4000-4999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events40000-40999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events41000-41999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events42000-42999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events43000-43999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events44000-44999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events45000-45999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events46000-46999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events47000-47999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events48000-48999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events49000-49999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events5000-5999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events50000-50999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events51000-51999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events52000-52999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events53000-53999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events54000-54999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events55000-55999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events56000-56999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events57000-57999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events58000-58999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events59000-59999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events6000-6999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events60000-60999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events61000-61999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events62000-62999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events63000-63999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events64000-64999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events65000-65999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events66000-66999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events67000-67999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events68000-68999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events69000-69999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events7000-7999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events70000-70999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events71000-71999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events72000-72999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events73000-73999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events74000-74999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events75000-75999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events76000-76999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events77000-77999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events78000-78999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events79000-79999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events8000-8999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events80000-80999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events81000-81999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events82000-82999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events83000-83999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events84000-84999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events85000-85999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events86000-86999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events87000-87999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events88000-88999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events89000-89999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events9000-9999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events90000-90999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events91000-91999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events92000-92999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events93000-93999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events94000-94999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events95000-95999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events96000-96999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events97000-97999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events98000-98999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/particles/hard_scatter.ttbar.v1.truth.particles.events99000-99999.parquet"
- config_name: tracker_hits
data_files:
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events0-999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events1000-1999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events10000-10999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events11000-11999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events12000-12999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events13000-13999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events14000-14999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events15000-15999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events16000-16999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events17000-17999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events18000-18999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events19000-19999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events2000-2999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events20000-20999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events21000-21999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events22000-22999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events23000-23999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events24000-24999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events25000-25999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events26000-26999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events27000-27999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events28000-28999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events29000-29999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events3000-3999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events30000-30999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events31000-31999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events32000-32999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events33000-33999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracker_hits/hard_scatter.ttbar.v1.reco.tracker_hits.events34000-34999.parquet"
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- config_name: calo_hits
data_files:
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- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events82000-82999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events83000-83999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events84000-84999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events85000-85999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events86000-86999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events87000-87999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events88000-88999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events89000-89999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events9000-9999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events90000-90999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events91000-91999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events92000-92999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events93000-93999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events94000-94999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events95000-95999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events96000-96999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events97000-97999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events98000-98999.parquet"
- "https://actseos.web.cern.ch/colliderml/v0/ttbar_p0/tracks/hard_scatter.ttbar.v1.reco.tracks.events99000-99999.parquet"
---
# ColliderML: ColliderML Top-Quark Pair Production (No Pileup)
## Dataset Description
This dataset contains simulated high-energy physics collision events for top-quark pair (ttbar) production with no pileup (single interaction per event) generated using the **Open Data Detector (ODD)** geometry within the **Key4hep** and **ACTS (A Common Tracking Software)** frameworks, representing a generic collider detector similar to those at the HL-LHC.
### Dataset Summary
- **Campaign**: `hard_scatter`
- **Process**: Top-quark pair (ttbar) production
- **Version**: `v1`
- **Number of Events**: ~100000 events
- **Pileup**: 0 (no additional interactions)
- **Detector**: Open Data Detector (ODD)
- **Format**: Apache Parquet with list columns for variable-length data
- **License**: cc-by-4.0
### Supported Tasks
This dataset is designed for machine learning tasks in high-energy physics, including:
- **Particle tracking**: Reconstruct charged particle trajectories from detector hits
- **Track-to-particle matching**: Associate reconstructed tracks with truth particles
- **Jet tagging**: Identify jets originating from top quarks, b-quarks, or light quarks
- **Energy reconstruction**: Predict particle energies from calorimeter deposits
- **Physics analysis**: Event classification (signal vs. background discrimination)
- **Representation learning**: Study hierarchical information at different detector levels
### Languages
N/A (Physics data)
## Quick Start
### Installation
```bash
pip install datasets pyarrow
```
### Load First 100 Events (All Objects)
```python
from datasets import load_dataset
# Load first 100 rows of each configuration
particles = load_dataset("OpenDataDetector/ColliderML_ttbar_pu0", "particles", split="train[:100]")
tracker_hits = load_dataset("OpenDataDetector/ColliderML_ttbar_pu0", "tracker_hits", split="train[:100]")
calo_hits = load_dataset("OpenDataDetector/ColliderML_ttbar_pu0", "calo_hits", split="train[:100]")
tracks = load_dataset("OpenDataDetector/ColliderML_ttbar_pu0", "tracks", split="train[:100]")
print(f"Loaded {len(particles)} particle events")
print(f"Loaded {len(tracker_hits)} tracker hit events")
print(f"Loaded {len(calo_hits)} calo hit events")
print(f"Loaded {len(tracks)} track events")
```
### Load Specific Columns from First 100 Events
```python
from datasets import load_dataset
import numpy as np
# Load only specific columns from particles
particles = load_dataset(
"OpenDataDetector/ColliderML_ttbar_pu0",
"particles",
split="train[:100]",
columns=["event_id", "px", "py", "pz", "energy", "pdg_id"]
)
# Access data
for event in particles:
event_id = event['event_id']
# Convert to numpy arrays
px = np.array(event['px'])
py = np.array(event['py'])
pz = np.array(event['pz'])
# Calculate transverse momentum
pt = np.sqrt(px**2 + py**2)
print(f"Event {event_id}: {len(px)} particles, mean pt = {pt.mean():.2f} GeV")
# Load only specific columns from tracks
tracks = load_dataset(
"OpenDataDetector/ColliderML_ttbar_pu0",
"tracks",
split="train[:100]",
columns=["event_id", "qop", "theta", "phi"]
)
# Calculate derived quantities
for event in tracks:
qop = np.array(event['qop'])
theta = np.array(event['theta'])
# Compute transverse momentum from track parameters
pt = np.abs(1.0 / qop) * np.sin(theta)
eta = -np.log(np.tan(theta / 2.0))
print(f"Event {event['event_id']}: {len(qop)} tracks, pt range [{pt.min():.2f}, {pt.max():.2f}] GeV")
```
## Dataset Structure
### Data Instances
Each row in the Parquet files represents a single collision event. Variable-length quantities (e.g., lists of particles, hits, tracks) are stored as Parquet list columns.
Example event structure:
```python
{
'event_id': 42,
'particle_id': [0, 1, 2, 3, ...], # List of particle IDs
'pdg_id': [11, -11, 211, ...], # Particle type codes
'px': [1.2, -0.5, 3.4, ...], # Momentum components (GeV)
'py': [0.8, 1.1, -0.3, ...],
'pz': [5.2, -2.1, 10.5, ...],
'energy': [5.5, 2.3, 11.2, ...],
# ... additional fields
}
```
### Data Fields
The dataset contains 4 data types organized by detector hierarchy:
#### 1. `particles` (Truth-level)
Truth information about generated particles before detector simulation.
| Field | Type | Description |
|-------|------|-------------|
| `event_id` | int64 | Unique event identifier |
| `particle_id` | list<int64> | Unique particle ID within event |
| `pdg_id` | list<int64> | PDG particle code (e.g., 11=electron, 13=muon, 211=pion) |
| `mass` | list<float64> | Particle rest mass (GeV/c²) |
| `energy` | list<float64> | Particle total energy (GeV) |
| `charge` | list<float64> | Electric charge (in units of e) |
| `px`, `py`, `pz` | list<float64> | Momentum components (GeV/c) |
| `vx`, `vy`, `vz` | list<float64> | Vertex position (mm) |
| `time` | list<float64> | Production time (ns) |
| `num_tracker_hits` | list<int64> | Number of hits in tracker |
| `num_calo_hits` | list<int64> | Number of hits in calorimeter |
| `vertex_primary` | list<int64> | Primary vertex flag (1 = hard scatter, 2,...,N = pileup) |
| `parent_id` | list<float64> | ID of parent particle |
**Typical event**: ~200-500 particles per event
#### 2. `tracker_hits` (Detector-level)
Digitized spatial measurements from the tracking detector (silicon sensors).
| Field | Type | Description |
|-------|------|-------------|
| `event_id` | int64 | Unique event identifier |
| `x`, `y`, `z` | list<float64> | Measured hit position (mm) |
| `true_x`, `true_y`, `true_z` | list<float64> | True (simulated) hit position before digitization (mm) |
| `time` | list<float64> | Hit time (ns) |
| `particle_id` | list<int64> | Truth particle that created this hit |
| `volume_id` | list<int64> | Detector volume identifier |
| `layer_id` | list<int64> | Detector layer number |
| `surface_id` | list<int64> | Sensor surface identifier |
| `cell_id` | list<int64> | Cell/pixel identifier |
| `detector` | list<int64> | Detector subsystem code |
**Typical event**: ~2,000-5,000 hits per event
#### 3. `calo_hits` (Calorimeter-level)
Energy deposits in the calorimeter system (electromagnetic + hadronic).
| Field | Type | Description |
|-------|------|-------------|
| `event_id` | int64 | Unique event identifier |
| `detector` | list<string> | Calorimeter subsystem name |
| `cell_id` | list<string> | Calorimeter cell identifier |
| `total_energy` | list<float64> | Total energy deposited in cell (GeV) |
| `x`, `y`, `z` | list<float64> | Cell center position (mm) |
| `contrib_particle_ids` | list<list<int64>> | IDs of particles contributing to this cell |
| `contrib_energies` | list<list<float64>> | Energy contribution from each particle (GeV) |
| `contrib_times` | list<list<float64>> | Time of each contribution (ns) |
**Note**: Nested lists for contributions (one cell can have multiple particle deposits).
**Typical event**: ~500-1,000 calorimeter cells with deposits
#### 4. `tracks` (Reconstruction-level)
Reconstructed particle tracks from pattern recognition and track fitting algorithms.
| Field | Type | Description |
|-------|------|-------------|
| `event_id` | int64 | Unique event identifier |
| `track_id` | list<int64> | Unique track identifier within event |
| `majority_particle_id` | list<int64> | Truth particle with most hits on this track |
| `d0` | list<float64> | Transverse impact parameter (mm) |
| `z0` | list<float64> | Longitudinal impact parameter (mm) |
| `phi` | list<float64> | Azimuthal angle (radians) |
| `theta` | list<float64> | Polar angle (radians) |
| `qop` | list<float64> | Charge divided by momentum (e/GeV) |
| `hit_ids` | list<list<int32>> | List of tracker hit IDs assigned to this track |
**Track parameters**: Standard ACTS track representation (perigee parameters at origin).
**Derived quantities**:
- Transverse momentum: `pt = abs(1/qop) * sin(theta)`
- Pseudorapidity: `eta = -ln(tan(theta/2))`
- Total momentum: `p = abs(1/qop)`
**Typical event**: ~50-150 reconstructed tracks per event
### Data Splits
Currently, the dataset does not have predefined train/validation/test splits. Users should implement their own splitting strategy based on their use case. Recommended approach:
```python
from sklearn.model_selection import train_test_split
# Example: 70% train, 15% validation, 15% test
all_events = list(range(100000))
train_val, test = train_test_split(all_events, test_size=0.15, random_state=42)
train, val = train_test_split(train_val, test_size=0.176, random_state=42) # 0.176 * 0.85 ≈ 0.15
```
### Support
For questions, issues, or feature requests:
- Email: daniel.thomas.murnane@cern.ch
- You can also open a discussion in the HuggingFace community panel for this dataset.
### Acknowledgments
This work was supported by:
- NERSC computing resources
- U.S. Department of Energy, Office of Science
- Danish Data Science Academy (DDSA)
---
**Last updated**: October 2025
**Dataset version**: v0