Generator

Details for Pythia 8.301 default

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 0.80
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 4.0
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 2.5
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 0.17
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 0.46
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 3.4
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.64
B jet
η
CMS_2018_I1703993 13000 15
B jet
pT
CMS_2018_I1703993 13000 17
bjbj.m
CMS_2018_I1703993 13000 21
bjbj.pt
CMS_2018_I1703993 13000 18
bjt.dphi
ATLAS_2022_I2037744 13000 1.4
ej.pt
ATLAS_2022_I2037744 13000 2.3*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 3.7
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 3.5
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 3.1
ΔR(extra jets)
ATLAS_2020_I1801434 13000 3.6
ejej.dphi
ATLAS_2022_I2037744 13000 0.96
ejets.ht
CMS_2021_I1901295 13000 13
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 2.9
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 3.9
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.082
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.047
Jet mass
Jet mass
CMS_2017_I1518399 8000 5.2
CMS_2019_I1764472 13000 0.28
Jet pT
ATLAS_2014_I1304688 7000 6.7
ATLAS_2019_I1718132 13000 7.3*
Dijet
Δη
ATLAS_2019_I1718132 13000 7.5
Dijet
Δφ
ATLAS_2019_I1718132 13000 8.9
Dijet
HT
ATLAS_2019_I1718132 13000 7.1
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 9.7
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.9
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.28
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 2.2
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 2.0
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 3.6
Lepton η
ATLAS_2019_I1759875 13000 13
CMS_2018_I1703993 13000 9.6
Lepton pT
ATLAS_2019_I1759875 13000 17
CMS_2018_I1703993 13000 17
CMS_2021_I1901295 13000 5.9
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 4.7
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.67
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 5.1
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 10
Dilepton
E
ATLAS_2019_I1759875 13000 15
Dilepton
Δη
CMS_2016_I1430892 8000 0.57
CMS_2018_I1703993 13000 12
Dilepton
Δφ
ATLAS_2019_I1718132 13000 10
ATLAS_2019_I1759875 13000 11
CMS_2018_I1703993 13000 20
Dilepton
HT
ATLAS_2019_I1759875 13000 13
Dilepton
m
ATLAS_2019_I1759875 13000 15
CMS_2018_I1703993 13000 20
Dilepton
pT
ATLAS_2019_I1718132 13000 6.1
ATLAS_2019_I1759875 13000 16
CMS_2018_I1703993 13000 15
Dilepton
y
ATLAS_2019_I1759875 13000 11
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 2.6
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 16
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 5.7
CMS_2018_I1703993 13000 13
sumpt
ATLAS_2022_I2152933 13000 2.5
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 4.1
ATLAS_2020_I1801434 13000 3.5
ATLAS_2022_I2077575 13000 2.9
Top pT
ATLAS_2019_I1750330 13000 3.3*
ATLAS_2020_I1801434 13000 3.7
ATLAS_2022_I2037744 13000 1.0
ATLAS_2022_I2077575 13000 2.4*
CMS_2018_I1703993 13000 27
CMS_2021_I1901295 13000 12*
top.pt.ttbarRF
CMS_2018_I1703993 13000 27
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 4.4
Top rapidity
ATLAS_2019_I1750330 13000 3.8
ATLAS_2020_I1801434 13000 4.1
ATLAS_2022_I2037744 13000 1.4
ATLAS_2022_I2077575 13000 2.4*
CMS_2018_I1703993 13000 22
CMS_2021_I1901295 13000 11
topej.dphi
ATLAS_2022_I2037744 13000 1.9
topej.m
ATLAS_2022_I2037744 13000 1.3
χ(ttbar)
ATLAS_2019_I1750330 13000 4.3
ATLAS_2020_I1801434 13000 4.4
ATLAS_2022_I2077575 13000 4.1*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 5.4
ATLAS_2020_I1801434 13000 4.9
ATLAS_2022_I2037744 13000 1.8
ATLAS_2022_I2077575 13000 3.5
CMS_2018_I1703993 13000 34
CMS_2021_I1901295 13000 18
Δy (ttbar)
CMS_2016_I1430892 8000 0.075
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 11
ttbar HT
ATLAS_2019_I1750330 13000 3.2
ATLAS_2020_I1801434 13000 3.2
ATLAS_2022_I2037744 13000 0.93
ATLAS_2022_I2077575 13000 4.6*
CMS_2021_I1901295 13000 10
m(ttbar)
ATLAS_2019_I1750330 13000 2.8*
ATLAS_2020_I1801434 13000 3.8
ATLAS_2022_I2037744 13000 0.63
ATLAS_2022_I2077575 13000 2.1*
CMS_2018_I1703993 13000 25
CMS_2021_I1901295 13000 17
Pcrossttbar
ATLAS_2020_I1801434 13000 5.4
ttbar pT
ATLAS_2019_I1750330 13000 4.7*
ATLAS_2020_I1801434 13000 3.7
ATLAS_2022_I2037744 13000 1.6
ATLAS_2022_I2077575 13000 2.2*
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 12*
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 2.8
ttbar.thetaStar
ATLAS_2022_I2077575 13000 3.1
CMS_2021_I1901295 13000 17
Ttbar rapidity
ATLAS_2019_I1750330 13000 3.7
ATLAS_2020_I1801434 13000 2.9
ATLAS_2022_I2037744 13000 0.56
ATLAS_2022_I2077575 13000 2.5
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 15
Mean rapidity
ATLAS_2019_I1750330 13000 5.7
ATLAS_2020_I1801434 13000 3.5
ATLAS_2022_I2077575 13000 2.9
ttbarej.ht
ATLAS_2022_I2037744 13000 1.3
ttbarej.m
CMS_2021_I1901295 13000 12
pT ratio
W to b
ATLAS_2020_I1801434 13000 3.7
pT ratio
W to top
ATLAS_2020_I1801434 13000 4.0
Cross sections
ATLAS_2022_I2037744 13000 0.0012
ATLAS_2022_I2077575 13000 17
CMS_2019_I1753720 13000 n/a

* several "n/a" histograms were excluded from the calculation



n/a indicates that the χ2 value is unavailable, typically due to mismatched binning between theoretical and MC histograms or other issues.



The page data is based on 1112 histograms.