Generator

Details for Pythia 8.244 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 0.16
B jet
η
CMS_2018_I1703993 13000 19
B jet
pT
CMS_2018_I1703993 13000 22
bjbj.m
CMS_2018_I1703993 13000 26
bjbj.pt
CMS_2018_I1703993 13000 22
bjt.dphi
ATLAS_2022_I2037744 13000 2.0
ej.pt
ATLAS_2022_I2037744 13000 2.5*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 3.5
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 1.7
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 1.9
ΔR(extra jets)
ATLAS_2020_I1801434 13000 1.3
ejej.dphi
ATLAS_2022_I2037744 13000 2.2
ejets.ht
CMS_2021_I1901295 13000 12
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 2.4
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 1.5
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.28
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.10
Jet mass
Jet mass
CMS_2017_I1518399 8000 n/a
CMS_2019_I1764472 13000 0.39
Jet pT
ATLAS_2014_I1304688 7000 7.1
ATLAS_2019_I1718132 13000 n/a
Dijet
Δη
ATLAS_2019_I1718132 13000 n/a
Dijet
Δφ
ATLAS_2019_I1718132 13000 n/a
Dijet
HT
ATLAS_2019_I1718132 13000 n/a
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 n/a
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.7
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.22
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 2.1
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 1.3
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.9
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 3.1
Lepton η
ATLAS_2019_I1759875 13000 16
CMS_2018_I1703993 13000 12
Lepton pT
ATLAS_2019_I1759875 13000 21
CMS_2018_I1703993 13000 21
CMS_2021_I1901295 13000 7.2
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 5.0
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.83
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 6.5
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 n/a
Dilepton
E
ATLAS_2019_I1759875 13000 18
Dilepton
Δη
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 16
Dilepton
Δφ
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 13
CMS_2018_I1703993 13000 24
Dilepton
HT
ATLAS_2019_I1759875 13000 17
Dilepton
m
ATLAS_2019_I1759875 13000 17
CMS_2018_I1703993 13000 22
Dilepton
pT
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 18
CMS_2018_I1703993 13000 20
Dilepton
y
ATLAS_2019_I1759875 13000 13
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 1.1
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 13
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 2.6
CMS_2018_I1703993 13000 16
sumpt
ATLAS_2022_I2152933 13000 2.3
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 4.4
ATLAS_2020_I1801434 13000 2.4
ATLAS_2022_I2077575 13000 3.9*
Top pT
ATLAS_2019_I1750330 13000 3.8*
ATLAS_2020_I1801434 13000 2.5
ATLAS_2022_I2037744 13000 0.59*
ATLAS_2022_I2077575 13000 2.0*
CMS_2018_I1703993 13000 27
CMS_2021_I1901295 13000 13*
top.pt.ttbarRF
CMS_2018_I1703993 13000 26
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 3.3
Top rapidity
ATLAS_2019_I1750330 13000 4.2
ATLAS_2020_I1801434 13000 2.7
ATLAS_2022_I2037744 13000 1.2
ATLAS_2022_I2077575 13000 2.4*
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 12
topej.dphi
ATLAS_2022_I2037744 13000 2.0
topej.m
ATLAS_2022_I2037744 13000 0.66
χ(ttbar)
ATLAS_2019_I1750330 13000 4.9
ATLAS_2020_I1801434 13000 2.3
ATLAS_2022_I2077575 13000 4.5*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 5.3
ATLAS_2020_I1801434 13000 2.2
ATLAS_2022_I2037744 13000 0.50
ATLAS_2022_I2077575 13000 2.5
CMS_2018_I1703993 13000 37
CMS_2021_I1901295 13000 21
Δy (ttbar)
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 11
ttbar HT
ATLAS_2019_I1750330 13000 3.6
ATLAS_2020_I1801434 13000 2.2
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 4.0*
CMS_2021_I1901295 13000 12
m(ttbar)
ATLAS_2019_I1750330 13000 3.6*
ATLAS_2020_I1801434 13000 2.2
ATLAS_2022_I2037744 13000 3.3
ATLAS_2022_I2077575 13000 2.0*
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 16
Pcrossttbar
ATLAS_2020_I1801434 13000 1.9
ttbar pT
ATLAS_2019_I1750330 13000 4.4
ATLAS_2020_I1801434 13000 1.9
ATLAS_2022_I2037744 13000 0.75
ATLAS_2022_I2077575 13000 2.5*
CMS_2018_I1703993 13000 26
CMS_2021_I1901295 13000 13
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 1.8
ttbar.thetaStar
ATLAS_2022_I2077575 13000 3.1
CMS_2021_I1901295 13000 17
Ttbar rapidity
ATLAS_2019_I1750330 13000 4.1
ATLAS_2020_I1801434 13000 2.0
ATLAS_2022_I2037744 13000 0.75
ATLAS_2022_I2077575 13000 2.9
CMS_2018_I1703993 13000 23
CMS_2021_I1901295 13000 15
Mean rapidity
ATLAS_2019_I1750330 13000 6.2
ATLAS_2020_I1801434 13000 1.9
ATLAS_2022_I2077575 13000 3.4
ttbarej.ht
ATLAS_2022_I2037744 13000 1.7
ttbarej.m
CMS_2021_I1901295 13000 13
pT ratio
W to b
ATLAS_2020_I1801434 13000 2.6
pT ratio
W to top
ATLAS_2020_I1801434 13000 2.3
Cross sections
ATLAS_2022_I2037744 13000 0.028
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.