Generator / tune

Details for Pythia 6.427 350

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 0.31
B jet
η
CMS_2018_I1703993 13000 45
B jet
pT
CMS_2018_I1703993 13000 53
bjbj.m
CMS_2018_I1703993 13000 62
bjbj.pt
CMS_2018_I1703993 13000 55
bjt.dphi
ATLAS_2022_I2037744 13000 1.4
ej.pt
ATLAS_2022_I2037744 13000 2.6
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 2.4
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 3.7
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 4.0
ΔR(extra jets)
ATLAS_2020_I1801434 13000 2.4
ejej.dphi
ATLAS_2022_I2037744 13000 1.5
ejets.ht
CMS_2021_I1901295 13000 15
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 3.6
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 2.7
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.40
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.11
Jet mass
Jet mass
CMS_2017_I1518399 8000 n/a
CMS_2019_I1764472 13000 0.82
Jet pT
ATLAS_2014_I1304688 7000 17
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 2.6
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.43
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.5
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.79
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.3
Lepton η
ATLAS_2019_I1759875 13000 34
CMS_2018_I1703993 13000 28
Lepton pT
ATLAS_2019_I1759875 13000 47
CMS_2018_I1703993 13000 50
CMS_2021_I1901295 13000 13
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 6.0
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 1.1
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 7.9
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 n/a
Dilepton
E
ATLAS_2019_I1759875 13000 39
Dilepton
Δη
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 40
Dilepton
Δφ
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 23
CMS_2018_I1703993 13000 50
Dilepton
HT
ATLAS_2019_I1759875 13000 38
Dilepton
m
ATLAS_2019_I1759875 13000 35
CMS_2018_I1703993 13000 44
Dilepton
pT
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 39
CMS_2018_I1703993 13000 42
Dilepton
y
ATLAS_2019_I1759875 13000 27
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 0.82
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 21
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 6.4
CMS_2018_I1703993 13000 43
sumpt
ATLAS_2022_I2152933 13000 2.7
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 7.8
ATLAS_2020_I1801434 13000 5.8*
ATLAS_2022_I2077575 13000 1.4
Top pT
ATLAS_2019_I1750330 13000 6.3*
ATLAS_2020_I1801434 13000 4.6
ATLAS_2022_I2037744 13000 0.99
ATLAS_2022_I2077575 13000 1.3*
CMS_2018_I1703993 13000 76
CMS_2021_I1901295 13000 22*
top.pt.ttbarRF
CMS_2018_I1703993 13000 73
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 4.9
Top rapidity
ATLAS_2019_I1750330 13000 7.7
ATLAS_2020_I1801434 13000 4.5
ATLAS_2022_I2037744 13000 1.2
ATLAS_2022_I2077575 13000 1.9
CMS_2018_I1703993 13000 69
CMS_2021_I1901295 13000 25*
topej.dphi
ATLAS_2022_I2037744 13000 2.5
topej.m
ATLAS_2022_I2037744 13000 0.61
χ(ttbar)
ATLAS_2019_I1750330 13000 8.8
ATLAS_2020_I1801434 13000 4.3
ATLAS_2022_I2077575 13000 2.5*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 7.4
ATLAS_2020_I1801434 13000 5.7
ATLAS_2022_I2037744 13000 3.5
ATLAS_2022_I2077575 13000 1.6
CMS_2018_I1703993 13000 100
CMS_2021_I1901295 13000 32
Δy (ttbar)
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 76
CMS_2021_I1901295 13000 23
ttbar HT
ATLAS_2019_I1750330 13000 6.4
ATLAS_2020_I1801434 13000 4.3
ATLAS_2022_I2037744 13000 1.5
ATLAS_2022_I2077575 13000 1.4
CMS_2021_I1901295 13000 23
m(ttbar)
ATLAS_2019_I1750330 13000 5.1
ATLAS_2020_I1801434 13000 5.0
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 1.5*
CMS_2018_I1703993 13000 78
CMS_2021_I1901295 13000 28
Pcrossttbar
ATLAS_2020_I1801434 13000 4.3
ttbar pT
ATLAS_2019_I1750330 13000 7.0
ATLAS_2020_I1801434 13000 4.7
ATLAS_2022_I2037744 13000 1.4
ATLAS_2022_I2077575 13000 1.4*
CMS_2018_I1703993 13000 72
CMS_2021_I1901295 13000 18
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 3.9
ttbar.thetaStar
ATLAS_2022_I2077575 13000 2.5
CMS_2021_I1901295 13000 30
Ttbar rapidity
ATLAS_2019_I1750330 13000 7.0
ATLAS_2020_I1801434 13000 3.7
ATLAS_2022_I2037744 13000 0.89
ATLAS_2022_I2077575 13000 2.2
CMS_2018_I1703993 13000 64
CMS_2021_I1901295 13000 27
Mean rapidity
ATLAS_2019_I1750330 13000 10
ATLAS_2020_I1801434 13000 4.1
ATLAS_2022_I2077575 13000 1.6
ttbarej.ht
ATLAS_2022_I2037744 13000 2.1
ttbarej.m
CMS_2021_I1901295 13000 21
pT ratio
W to b
ATLAS_2020_I1801434 13000 5.1
pT ratio
W to top
ATLAS_2020_I1801434 13000 4.7
Cross sections
ATLAS_2022_I2037744 13000 3.2
ATLAS_2022_I2077575 13000 7.4
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.