Generator

Details for Pythia 8.303 default

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 2.7
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 12
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 4.6
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 1.1
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 0.43
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 6.0
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.55
B jet
η
CMS_2018_I1703993 13000 21
B jet
pT
CMS_2018_I1703993 13000 25
bjbj.m
CMS_2018_I1703993 13000 30
bjbj.pt
CMS_2018_I1703993 13000 27
bjt.dphi
ATLAS_2022_I2037744 13000 0.74
ej.pt
ATLAS_2022_I2037744 13000 2.3
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 2.5
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 3.1
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 2.5
ΔR(extra jets)
ATLAS_2020_I1801434 13000 2.6
ejej.dphi
ATLAS_2022_I2037744 13000 0.67
ejets.ht
CMS_2021_I1901295 13000 8.6
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 3.2
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 1.9
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.13
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.051
Jet mass
Jet mass
CMS_2017_I1518399 8000 4.8
CMS_2019_I1764472 13000 0.28
Jet pT
ATLAS_2014_I1304688 7000 6.8
ATLAS_2019_I1718132 13000 3.5*
Dijet
Δη
ATLAS_2019_I1718132 13000 4.7
Dijet
Δφ
ATLAS_2019_I1718132 13000 5.2
Dijet
HT
ATLAS_2019_I1718132 13000 3.6
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 4.4
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 2.1
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.31
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.9
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.8
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 3.0
Lepton η
ATLAS_2019_I1759875 13000 14
CMS_2018_I1703993 13000 14
Lepton pT
ATLAS_2019_I1759875 13000 20
CMS_2018_I1703993 13000 25
CMS_2021_I1901295 13000 6.8
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 4.4
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.74
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 5.5
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 6.5*
Dilepton
E
ATLAS_2019_I1759875 13000 17
Dilepton
Δη
CMS_2016_I1430892 8000 0.71
CMS_2018_I1703993 13000 17
Dilepton
Δφ
ATLAS_2019_I1718132 13000 6.1
ATLAS_2019_I1759875 13000 12*
CMS_2018_I1703993 13000 23
Dilepton
HT
ATLAS_2019_I1759875 13000 17
Dilepton
m
ATLAS_2019_I1759875 13000 16
CMS_2018_I1703993 13000 23
Dilepton
pT
ATLAS_2019_I1718132 13000 4.4
ATLAS_2019_I1759875 13000 16
CMS_2018_I1703993 13000 22
Dilepton
y
ATLAS_2019_I1759875 13000 12
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 1.8
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 12
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 3.8
CMS_2018_I1703993 13000 21
sumpt
ATLAS_2022_I2152933 13000 3.1
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 3.9
ATLAS_2020_I1801434 13000 3.2
ATLAS_2022_I2077575 13000 4.0*
Top pT
ATLAS_2019_I1750330 13000 3.4*
ATLAS_2020_I1801434 13000 2.6
ATLAS_2022_I2037744 13000 0.37
ATLAS_2022_I2077575 13000 2.0*
CMS_2018_I1703993 13000 30
CMS_2021_I1901295 13000 11*
top.pt.ttbarRF
CMS_2018_I1703993 13000 28
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 3.4
Top rapidity
ATLAS_2019_I1750330 13000 3.7
ATLAS_2020_I1801434 13000 2.9
ATLAS_2022_I2037744 13000 1.0
ATLAS_2022_I2077575 13000 2.4*
CMS_2018_I1703993 13000 26
CMS_2021_I1901295 13000 11
topej.dphi
ATLAS_2022_I2037744 13000 2.1
topej.m
ATLAS_2022_I2037744 13000 0.26
χ(ttbar)
ATLAS_2019_I1750330 13000 4.2
ATLAS_2020_I1801434 13000 2.8
ATLAS_2022_I2077575 13000 2.4
Δφ(ttbar)
ATLAS_2019_I1750330 13000 4.5
ATLAS_2020_I1801434 13000 3.0
ATLAS_2022_I2037744 13000 1.8
ATLAS_2022_I2077575 13000 2.9
CMS_2018_I1703993 13000 42
CMS_2021_I1901295 13000 17
Δy (ttbar)
CMS_2016_I1430892 8000 0.53
CMS_2018_I1703993 13000 26
CMS_2021_I1901295 13000 9.8
ttbar HT
ATLAS_2019_I1750330 13000 3.2
ATLAS_2020_I1801434 13000 2.3
ATLAS_2022_I2037744 13000 0.11
ATLAS_2022_I2077575 13000 4.2*
CMS_2021_I1901295 13000 10
m(ttbar)
ATLAS_2019_I1750330 13000 2.9*
ATLAS_2020_I1801434 13000 2.5
ATLAS_2022_I2037744 13000 0.49
ATLAS_2022_I2077575 13000 1.9*
CMS_2018_I1703993 13000 24
CMS_2021_I1901295 13000 14
Pcrossttbar
ATLAS_2020_I1801434 13000 2.6
ttbar pT
ATLAS_2019_I1750330 13000 4.2
ATLAS_2020_I1801434 13000 2.9
ATLAS_2022_I2037744 13000 0.87
ATLAS_2022_I2077575 13000 2.5*
CMS_2018_I1703993 13000 27
CMS_2021_I1901295 13000 10
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 2.8
ttbar.thetaStar
ATLAS_2022_I2077575 13000 2.6
CMS_2021_I1901295 13000 15
Ttbar rapidity
ATLAS_2019_I1750330 13000 3.7
ATLAS_2020_I1801434 13000 2.2*
ATLAS_2022_I2037744 13000 0.87
ATLAS_2022_I2077575 13000 2.4
CMS_2018_I1703993 13000 27
CMS_2021_I1901295 13000 13
Mean rapidity
ATLAS_2019_I1750330 13000 5.7
ATLAS_2020_I1801434 13000 2.4
ATLAS_2022_I2077575 13000 2.3
ttbarej.ht
ATLAS_2022_I2037744 13000 0.63
ttbarej.m
CMS_2021_I1901295 13000 10
pT ratio
W to b
ATLAS_2020_I1801434 13000 2.5
pT ratio
W to top
ATLAS_2020_I1801434 13000 3.2
Cross sections
ATLAS_2022_I2037744 13000 0.067
ATLAS_2022_I2077575 13000 15
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.