Generator / tune

Details for Pythia 6.428 d6t

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 2.6
B jet
η
CMS_2018_I1703993 13000 130
B jet
pT
CMS_2018_I1703993 13000 160
bjbj.m
CMS_2018_I1703993 13000 190
bjbj.pt
CMS_2018_I1703993 13000 170
bjt.dphi
ATLAS_2022_I2037744 13000 1.2
ej.pt
ATLAS_2022_I2037744 13000 2.7
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 4.9
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 6.0
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 5.5
ΔR(extra jets)
ATLAS_2020_I1801434 13000 3.9
ejej.dphi
ATLAS_2022_I2037744 13000 1.4
ejets.ht
CMS_2021_I1901295 13000 23
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 6.5
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 4.9
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.084
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.068
Jet mass
Jet mass
CMS_2017_I1518399 8000 n/a
CMS_2019_I1764472 13000 n/a
Jet pT
ATLAS_2014_I1304688 7000 26
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 1.4
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.31
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.5
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.83
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.0
Lepton η
ATLAS_2019_I1759875 13000 39
CMS_2018_I1703993 13000 78
Lepton pT
ATLAS_2019_I1759875 13000 52
CMS_2018_I1703993 13000 160
CMS_2021_I1901295 13000 16
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 7.2
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.65
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 7.4
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 n/a
Dilepton
E
ATLAS_2019_I1759875 13000 43
Dilepton
Δη
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 110
Dilepton
Δφ
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 29*
CMS_2018_I1703993 13000 120
Dilepton
HT
ATLAS_2019_I1759875 13000 43
Dilepton
m
ATLAS_2019_I1759875 13000 37
CMS_2018_I1703993 13000 130
Dilepton
pT
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 42
CMS_2018_I1703993 13000 130
Dilepton
y
ATLAS_2019_I1759875 13000 30
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 1.3
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 30
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 9.3
CMS_2018_I1703993 13000 130
sumpt
ATLAS_2022_I2152933 13000 5.2
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 7.5
ATLAS_2020_I1801434 13000 6.2*
ATLAS_2022_I2077575 13000 1.8
Top pT
ATLAS_2019_I1750330 13000 6.3
ATLAS_2020_I1801434 13000 5.9
ATLAS_2022_I2037744 13000 0.98
ATLAS_2022_I2077575 13000 1.1*
CMS_2018_I1703993 13000 150
CMS_2021_I1901295 13000 29
top.pt.ttbarRF
CMS_2018_I1703993 13000 150
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 8.1
Top rapidity
ATLAS_2019_I1750330 13000 7.6
ATLAS_2020_I1801434 13000 7.3
ATLAS_2022_I2037744 13000 1.5
ATLAS_2022_I2077575 13000 1.5*
CMS_2018_I1703993 13000 140
CMS_2021_I1901295 13000 28
topej.dphi
ATLAS_2022_I2037744 13000 2.3
topej.m
ATLAS_2022_I2037744 13000 1.7
χ(ttbar)
ATLAS_2019_I1750330 13000 8.7
ATLAS_2020_I1801434 13000 6.8
ATLAS_2022_I2077575 13000 1.4
Δφ(ttbar)
ATLAS_2019_I1750330 13000 7.2
ATLAS_2020_I1801434 13000 7.9
ATLAS_2022_I2037744 13000 1.6
ATLAS_2022_I2077575 13000 1.8
CMS_2018_I1703993 13000 230
CMS_2021_I1901295 13000 39
Δy (ttbar)
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 150
CMS_2021_I1901295 13000 32
ttbar HT
ATLAS_2019_I1750330 13000 6.1
ATLAS_2020_I1801434 13000 6.6
ATLAS_2022_I2037744 13000 0.87
ATLAS_2022_I2077575 13000 1.5*
CMS_2021_I1901295 13000 26
m(ttbar)
ATLAS_2019_I1750330 13000 5.2
ATLAS_2020_I1801434 13000 6.5
ATLAS_2022_I2037744 13000 1.1
ATLAS_2022_I2077575 13000 1.1*
CMS_2018_I1703993 13000 150
CMS_2021_I1901295 13000 43*
Pcrossttbar
ATLAS_2020_I1801434 13000 7.1
ttbar pT
ATLAS_2019_I1750330 13000 7.3
ATLAS_2020_I1801434 13000 6.7
ATLAS_2022_I2037744 13000 2.1
ATLAS_2022_I2077575 13000 1.2*
CMS_2018_I1703993 13000 160
CMS_2021_I1901295 13000 23
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 6.7
ttbar.thetaStar
ATLAS_2022_I2077575 13000 1.7
CMS_2021_I1901295 13000 44
Ttbar rapidity
ATLAS_2019_I1750330 13000 7.7
ATLAS_2020_I1801434 13000 4.5
ATLAS_2022_I2037744 13000 1.00
ATLAS_2022_I2077575 13000 1.7
CMS_2018_I1703993 13000 120
CMS_2021_I1901295 13000 38
Mean rapidity
ATLAS_2019_I1750330 13000 11
ATLAS_2020_I1801434 13000 5.9
ATLAS_2022_I2077575 13000 1.3
ttbarej.ht
ATLAS_2022_I2037744 13000 2.5
ttbarej.m
CMS_2021_I1901295 13000 30
pT ratio
W to b
ATLAS_2020_I1801434 13000 6.9
pT ratio
W to top
ATLAS_2020_I1801434 13000 6.8
Cross sections
ATLAS_2022_I2037744 13000 3.0
ATLAS_2022_I2077575 13000 4.8
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.