Generator / tune

Details for Pythia 6.428 377

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 1.0
B jet
η
CMS_2018_I1703993 13000 43
B jet
pT
CMS_2018_I1703993 13000 52
bjbj.m
CMS_2018_I1703993 13000 60
bjbj.pt
CMS_2018_I1703993 13000 56
bjt.dphi
ATLAS_2022_I2037744 13000 n/a
ej.pt
ATLAS_2022_I2037744 13000 3.1*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 2.7
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 3.2
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 3.0
ΔR(extra jets)
ATLAS_2020_I1801434 13000 1.9
ejej.dphi
ATLAS_2022_I2037744 13000 0.78
ejets.ht
CMS_2021_I1901295 13000 13
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 3.6
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 2.4
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.36
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.13
Jet mass
Jet mass
CMS_2017_I1518399 8000 n/a
CMS_2019_I1764472 13000 2.4
Jet pT
ATLAS_2014_I1304688 7000 16
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 3.7
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.80
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.3
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.83
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.3
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.3
Lepton η
ATLAS_2019_I1759875 13000 30
CMS_2018_I1703993 13000 26
Lepton pT
ATLAS_2019_I1759875 13000 41
CMS_2018_I1703993 13000 48
CMS_2021_I1901295 13000 14
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 6.3
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 1.1
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 7.6
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 n/a
Dilepton
E
ATLAS_2019_I1759875 13000 33
Dilepton
Δη
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 36
Dilepton
Δφ
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 21
CMS_2018_I1703993 13000 41
Dilepton
HT
ATLAS_2019_I1759875 13000 34
Dilepton
m
ATLAS_2019_I1759875 13000 31
CMS_2018_I1703993 13000 41
Dilepton
pT
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 34
CMS_2018_I1703993 13000 40
Dilepton
y
ATLAS_2019_I1759875 13000 24
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 2.5
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 17
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 7.0
CMS_2018_I1703993 13000 40
sumpt
ATLAS_2022_I2152933 13000 1.8
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 7.1
ATLAS_2020_I1801434 13000 4.8*
ATLAS_2022_I2077575 13000 0.60*
Top pT
ATLAS_2019_I1750330 13000 6.9*
ATLAS_2020_I1801434 13000 4.5
ATLAS_2022_I2037744 13000 3.1
ATLAS_2022_I2077575 13000 1.4*
CMS_2018_I1703993 13000 65
CMS_2021_I1901295 13000 21*
top.pt.ttbarRF
CMS_2018_I1703993 13000 64
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 6.0
Top rapidity
ATLAS_2019_I1750330 13000 7.5
ATLAS_2020_I1801434 13000 5.2
ATLAS_2022_I2037744 13000 3.5*
ATLAS_2022_I2077575 13000 1.8*
CMS_2018_I1703993 13000 62
CMS_2021_I1901295 13000 20
topej.dphi
ATLAS_2022_I2037744 13000 3.3
topej.m
ATLAS_2022_I2037744 13000 2.1
χ(ttbar)
ATLAS_2019_I1750330 13000 8.6
ATLAS_2020_I1801434 13000 5.4
ATLAS_2022_I2077575 13000 1.8*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 7.1
ATLAS_2020_I1801434 13000 5.9
ATLAS_2022_I2037744 13000 6.5
ATLAS_2022_I2077575 13000 1.1*
CMS_2018_I1703993 13000 89
CMS_2021_I1901295 13000 27
Δy (ttbar)
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 70
CMS_2021_I1901295 13000 23
ttbar HT
ATLAS_2019_I1750330 13000 6.2
ATLAS_2020_I1801434 13000 4.6
ATLAS_2022_I2037744 13000 2.5
ATLAS_2022_I2077575 13000 1.4
CMS_2021_I1901295 13000 n/a
m(ttbar)
ATLAS_2019_I1750330 13000 6.9*
ATLAS_2020_I1801434 13000 5.1
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 1.3*
CMS_2018_I1703993 13000 74
CMS_2021_I1901295 13000 29*
Pcrossttbar
ATLAS_2020_I1801434 13000 5.3
ttbar pT
ATLAS_2019_I1750330 13000 7.2*
ATLAS_2020_I1801434 13000 4.2
ATLAS_2022_I2037744 13000 6.4
ATLAS_2022_I2077575 13000 1.2*
CMS_2018_I1703993 13000 64
CMS_2021_I1901295 13000 17
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 4.3
ttbar.thetaStar
ATLAS_2022_I2077575 13000 1.2*
CMS_2021_I1901295 13000 28
Ttbar rapidity
ATLAS_2019_I1750330 13000 6.8
ATLAS_2020_I1801434 13000 4.8
ATLAS_2022_I2037744 13000 3.2
ATLAS_2022_I2077575 13000 2.4
CMS_2018_I1703993 13000 55
CMS_2021_I1901295 13000 26
Mean rapidity
ATLAS_2019_I1750330 13000 9.0
ATLAS_2020_I1801434 13000 3.8
ATLAS_2022_I2077575 13000 2.2
ttbarej.ht
ATLAS_2022_I2037744 13000 3.6
ttbarej.m
CMS_2021_I1901295 13000 21
pT ratio
W to b
ATLAS_2020_I1801434 13000 4.7
pT ratio
W to top
ATLAS_2020_I1801434 13000 6.0
Cross sections
ATLAS_2022_I2037744 13000 23
ATLAS_2022_I2077575 13000 5.8
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.