Generator / tune

Details for Pythia 6.427 a

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 1.6
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 7.4
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 0.99
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 0.53
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 0.93
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 1.3
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 n/a
B jet
η
CMS_2018_I1703993 13000 170
B jet
pT
CMS_2018_I1703993 13000 200
bjbj.m
CMS_2018_I1703993 13000 250
bjbj.pt
CMS_2018_I1703993 13000 220
bjt.dphi
ATLAS_2022_I2037744 13000 1.3
ej.pt
ATLAS_2022_I2037744 13000 3.2
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 7.7
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 8.0
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 7.0
ΔR(extra jets)
ATLAS_2020_I1801434 13000 6.1*
ejej.dphi
ATLAS_2022_I2037744 13000 0.58
ejets.ht
CMS_2021_I1901295 13000 29
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 7.4
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 6.6
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.14
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.072
Jet mass
Jet mass
CMS_2017_I1518399 8000 61
CMS_2019_I1764472 13000 2.9
Jet pT
ATLAS_2014_I1304688 7000 28
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 1.2
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.22
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.82
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.4
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 1.5
Lepton η
ATLAS_2019_I1759875 13000 40
CMS_2018_I1703993 13000 96
Lepton pT
ATLAS_2019_I1759875 13000 54
CMS_2018_I1703993 13000 210
CMS_2021_I1901295 13000 21
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 5.0
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.43
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 6.2
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 n/a
Dilepton
E
ATLAS_2019_I1759875 13000 44
Dilepton
Δη
CMS_2016_I1430892 8000 0.61
CMS_2018_I1703993 13000 140
Dilepton
Δφ
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 32*
CMS_2018_I1703993 13000 160
Dilepton
HT
ATLAS_2019_I1759875 13000 46
Dilepton
m
ATLAS_2019_I1759875 13000 46
CMS_2018_I1703993 13000 170
Dilepton
pT
ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 45
CMS_2018_I1703993 13000 160
Dilepton
y
ATLAS_2019_I1759875 13000 34
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 11
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 42
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 9.6
CMS_2018_I1703993 13000 180
sumpt
ATLAS_2022_I2152933 13000 16
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 9.4
ATLAS_2020_I1801434 13000 6.5
ATLAS_2022_I2077575 13000 2.4*
Top pT
ATLAS_2019_I1750330 13000 7.3
ATLAS_2020_I1801434 13000 5.7
ATLAS_2022_I2037744 13000 2.0
ATLAS_2022_I2077575 13000 1.5*
CMS_2018_I1703993 13000 190
CMS_2021_I1901295 13000 36*
top.pt.ttbarRF
CMS_2018_I1703993 13000 190
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 8.5
Top rapidity
ATLAS_2019_I1750330 13000 9.1
ATLAS_2020_I1801434 13000 8.0
ATLAS_2022_I2037744 13000 2.1
ATLAS_2022_I2077575 13000 1.5*
CMS_2018_I1703993 13000 170
CMS_2021_I1901295 13000 34
topej.dphi
ATLAS_2022_I2037744 13000 3.0
topej.m
ATLAS_2022_I2037744 13000 1.7
χ(ttbar)
ATLAS_2019_I1750330 13000 11
ATLAS_2020_I1801434 13000 8.4
ATLAS_2022_I2077575 13000 1.8
Δφ(ttbar)
ATLAS_2019_I1750330 13000 9.1
ATLAS_2020_I1801434 13000 7.1
ATLAS_2022_I2037744 13000 2.8
ATLAS_2022_I2077575 13000 1.4
CMS_2018_I1703993 13000 310
CMS_2021_I1901295 13000 50
Δy (ttbar)
CMS_2016_I1430892 8000 0.15
CMS_2018_I1703993 13000 180
CMS_2021_I1901295 13000 37
ttbar HT
ATLAS_2019_I1750330 13000 7.5
ATLAS_2020_I1801434 13000 7.0
ATLAS_2022_I2037744 13000 4.1
ATLAS_2022_I2077575 13000 1.8*
CMS_2021_I1901295 13000 32
m(ttbar)
ATLAS_2019_I1750330 13000 5.6
ATLAS_2020_I1801434 13000 6.9
ATLAS_2022_I2037744 13000 1.1
ATLAS_2022_I2077575 13000 1.4*
CMS_2018_I1703993 13000 180
CMS_2021_I1901295 13000 48
Pcrossttbar
ATLAS_2020_I1801434 13000 7.5
ttbar pT
ATLAS_2019_I1750330 13000 8.8
ATLAS_2020_I1801434 13000 6.4
ATLAS_2022_I2037744 13000 3.1
ATLAS_2022_I2077575 13000 1.4*
CMS_2018_I1703993 13000 220
CMS_2021_I1901295 13000 30
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 7.2
ttbar.thetaStar
ATLAS_2022_I2077575 13000 2.2
CMS_2021_I1901295 13000 49
Ttbar rapidity
ATLAS_2019_I1750330 13000 8.4
ATLAS_2020_I1801434 13000 4.5*
ATLAS_2022_I2037744 13000 0.57
ATLAS_2022_I2077575 13000 1.9*
CMS_2018_I1703993 13000 150
CMS_2021_I1901295 13000 45
Mean rapidity
ATLAS_2019_I1750330 13000 12
ATLAS_2020_I1801434 13000 6.1
ATLAS_2022_I2077575 13000 2.1*
ttbarej.ht
ATLAS_2022_I2037744 13000 4.3
ttbarej.m
CMS_2021_I1901295 13000 37
pT ratio
W to b
ATLAS_2020_I1801434 13000 8.2
pT ratio
W to top
ATLAS_2020_I1801434 13000 7.4
Cross sections
ATLAS_2022_I2037744 13000 1.8
ATLAS_2022_I2077575 13000 5.5
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.