Generator

Details for Pythia 8.108 default

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 n/a
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 n/a
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 n/a
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 n/a
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 n/a
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 n/a
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 1.3
B jet
η
CMS_2018_I1703993 13000 39
B jet
pT
CMS_2018_I1703993 13000 47
bjbj.m
CMS_2018_I1703993 13000 52
bjbj.pt
CMS_2018_I1703993 13000 57
bjt.dphi
ATLAS_2022_I2037744 13000 3.9
ej.pt
ATLAS_2022_I2037744 13000 8.8
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 1.3
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 3.8
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 3.9
ΔR(extra jets)
ATLAS_2020_I1801434 13000 1.5
ejej.dphi
ATLAS_2022_I2037744 13000 5.9
ejets.ht
CMS_2021_I1901295 13000 32
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 3.4
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 1.1
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 2.5
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 2.1
Jet mass
Jet mass
CMS_2017_I1518399 8000 n/a
CMS_2019_I1764472 13000 1.6
Jet pT
ATLAS_2014_I1304688 7000 12
ATLAS_2019_I1718132 13000 21*
Dijet
Δη
ATLAS_2019_I1718132 13000 8.4
Dijet
Δφ
ATLAS_2019_I1718132 13000 8.3
Dijet
HT
ATLAS_2019_I1718132 13000 18
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 15
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 4.6
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.62
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 5.6
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 5.9
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 5.5
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 7.3
Lepton η
ATLAS_2019_I1759875 13000 29
CMS_2018_I1703993 13000 24
Lepton pT
ATLAS_2019_I1759875 13000 39
CMS_2018_I1703993 13000 45
CMS_2021_I1901295 13000 6.9
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 8.1
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 8.8
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 11
Dilepton
E
ATLAS_2019_I1759875 13000 32
Dilepton
Δη
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 32
Dilepton
Δφ
ATLAS_2019_I1718132 13000 6.2
ATLAS_2019_I1759875 13000 20*
CMS_2018_I1703993 13000 34
Dilepton
HT
ATLAS_2019_I1759875 13000 33
Dilepton
m
ATLAS_2019_I1759875 13000 31
CMS_2018_I1703993 13000 38
Dilepton
pT
ATLAS_2019_I1718132 13000 11
ATLAS_2019_I1759875 13000 35
CMS_2018_I1703993 13000 39
Dilepton
y
ATLAS_2019_I1759875 13000 23
ST(leptons, jets)
ATLAS_2019_I1718132 13000 17
nch
ATLAS_2022_I2152933 13000 16
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 48
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 18
CMS_2018_I1703993 13000 65
sumpt
ATLAS_2022_I2152933 13000 16
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 12
ATLAS_2020_I1801434 13000 9.1
ATLAS_2022_I2077575 13000 3.5
Top pT
ATLAS_2019_I1750330 13000 9.2
ATLAS_2020_I1801434 13000 5.8
ATLAS_2022_I2037744 13000 7.6
ATLAS_2022_I2077575 13000 2.2*
CMS_2018_I1703993 13000 71
CMS_2021_I1901295 13000 20
top.pt.ttbarRF
CMS_2018_I1703993 13000 61
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 3.9
Top rapidity
ATLAS_2019_I1750330 13000 11
ATLAS_2020_I1801434 13000 2.3
ATLAS_2022_I2037744 13000 2.2
ATLAS_2022_I2077575 13000 2.6*
CMS_2018_I1703993 13000 57
CMS_2021_I1901295 13000 13
topej.dphi
ATLAS_2022_I2037744 13000 7.7
topej.m
ATLAS_2022_I2037744 13000 9.1
χ(ttbar)
ATLAS_2019_I1750330 13000 11
ATLAS_2020_I1801434 13000 2.6
ATLAS_2022_I2077575 13000 4.4*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 12
ATLAS_2020_I1801434 13000 13
ATLAS_2022_I2037744 13000 10
ATLAS_2022_I2077575 13000 4.6
CMS_2018_I1703993 13000 100
CMS_2021_I1901295 13000 21
Δy (ttbar)
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 65
CMS_2021_I1901295 13000 13
ttbar HT
ATLAS_2019_I1750330 13000 12
ATLAS_2020_I1801434 13000 2.7
ATLAS_2022_I2037744 13000 4.0
ATLAS_2022_I2077575 13000 4.4*
CMS_2021_I1901295 13000 14
m(ttbar)
ATLAS_2019_I1750330 13000 8.0*
ATLAS_2020_I1801434 13000 4.1
ATLAS_2022_I2037744 13000 3.8
ATLAS_2022_I2077575 13000 1.3*
CMS_2018_I1703993 13000 78*
CMS_2021_I1901295 13000 26
Pcrossttbar
ATLAS_2020_I1801434 13000 11
ttbar pT
ATLAS_2019_I1750330 13000 16
ATLAS_2020_I1801434 13000 7.3
ATLAS_2022_I2037744 13000 15
ATLAS_2022_I2077575 13000 2.3*
CMS_2018_I1703993 13000 83
CMS_2021_I1901295 13000 25
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 4.0
ttbar.thetaStar
ATLAS_2022_I2077575 13000 3.8
CMS_2021_I1901295 13000 18
Ttbar rapidity
ATLAS_2019_I1750330 13000 11
ATLAS_2020_I1801434 13000 1.9*
ATLAS_2022_I2037744 13000 2.3
ATLAS_2022_I2077575 13000 2.8
CMS_2018_I1703993 13000 53
CMS_2021_I1901295 13000 15
Mean rapidity
ATLAS_2019_I1750330 13000 6.7
ATLAS_2020_I1801434 13000 1.5
ATLAS_2022_I2077575 13000 2.9
ttbarej.ht
ATLAS_2022_I2037744 13000 16
ttbarej.m
CMS_2021_I1901295 13000 23
pT ratio
W to b
ATLAS_2020_I1801434 13000 2.1
pT ratio
W to top
ATLAS_2020_I1801434 13000 2.6
Cross sections
ATLAS_2022_I2037744 13000 20
ATLAS_2022_I2077575 13000 16
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.