Generator / tune

Details for Pythia 6.426 a

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 1.1
B jet
η
CMS_2018_I1703993 13000 150
B jet
pT
CMS_2018_I1703993 13000 190
bjbj.m
CMS_2018_I1703993 13000 240
bjbj.pt
CMS_2018_I1703993 13000 200
bjt.dphi
ATLAS_2022_I2037744 13000 1.4
ej.pt
ATLAS_2022_I2037744 13000 3.2
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 7.0
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 7.6
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 7.2
ΔR(extra jets)
ATLAS_2020_I1801434 13000 6.4
ejej.dphi
ATLAS_2022_I2037744 13000 1.0
ejets.ht
CMS_2021_I1901295 13000 29
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 9.6
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 6.3
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.22
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 2.5
Jet pT
ATLAS_2014_I1304688 7000 29
ATLAS_2019_I1718132 13000 35*
Dijet
Δη
ATLAS_2019_I1718132 13000 31
Dijet
Δφ
ATLAS_2019_I1718132 13000 39
Dijet
HT
ATLAS_2019_I1718132 13000 28
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 45
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.3
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.27
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.6
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.89
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 41
CMS_2018_I1703993 13000 90
Lepton pT
ATLAS_2019_I1759875 13000 57
CMS_2018_I1703993 13000 190
CMS_2021_I1901295 13000 18
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 4.8
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.45
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 5.8
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 41
Dilepton
E
ATLAS_2019_I1759875 13000 48
Dilepton
Δη
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 130
Dilepton
Δφ
ATLAS_2019_I1718132 13000 29
ATLAS_2019_I1759875 13000 29
CMS_2018_I1703993 13000 150
Dilepton
HT
ATLAS_2019_I1759875 13000 46
Dilepton
m
ATLAS_2019_I1759875 13000 43
CMS_2018_I1703993 13000 150
Dilepton
pT
ATLAS_2019_I1718132 13000 33
ATLAS_2019_I1759875 13000 47
CMS_2018_I1703993 13000 150
Dilepton
y
ATLAS_2019_I1759875 13000 33
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 20
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 40
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 9.4
CMS_2018_I1703993 13000 170
sumpt
ATLAS_2022_I2152933 13000 27
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 8.8
ATLAS_2020_I1801434 13000 7.0
ATLAS_2022_I2077575 13000 1.9*
Top pT
ATLAS_2019_I1750330 13000 6.8
ATLAS_2020_I1801434 13000 6.7
ATLAS_2022_I2037744 13000 1.2
ATLAS_2022_I2077575 13000 1.3*
CMS_2018_I1703993 13000 180
CMS_2021_I1901295 13000 34
top.pt.ttbarRF
CMS_2018_I1703993 13000 180
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 9.0
Top rapidity
ATLAS_2019_I1750330 13000 8.5
ATLAS_2020_I1801434 13000 7.9
ATLAS_2022_I2037744 13000 1.3
ATLAS_2022_I2077575 13000 1.8*
CMS_2018_I1703993 13000 160
CMS_2021_I1901295 13000 32
topej.dphi
ATLAS_2022_I2037744 13000 2.4
topej.m
ATLAS_2022_I2037744 13000 1.2
χ(ttbar)
ATLAS_2019_I1750330 13000 11
ATLAS_2020_I1801434 13000 8.7
ATLAS_2022_I2077575 13000 1.5
Δφ(ttbar)
ATLAS_2019_I1750330 13000 8.7
ATLAS_2020_I1801434 13000 8.4
ATLAS_2022_I2037744 13000 1.2
ATLAS_2022_I2077575 13000 2.4
CMS_2018_I1703993 13000 320
CMS_2021_I1901295 13000 49
Δy (ttbar)
CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 170
CMS_2021_I1901295 13000 34
ttbar HT
ATLAS_2019_I1750330 13000 7.0
ATLAS_2020_I1801434 13000 7.7
ATLAS_2022_I2037744 13000 1.8
ATLAS_2022_I2077575 13000 1.8*
CMS_2021_I1901295 13000 30
m(ttbar)
ATLAS_2019_I1750330 13000 5.9
ATLAS_2020_I1801434 13000 7.6
ATLAS_2022_I2037744 13000 2.4
ATLAS_2022_I2077575 13000 1.2*
CMS_2018_I1703993 13000 170
CMS_2021_I1901295 13000 45
Pcrossttbar
ATLAS_2020_I1801434 13000 7.3
ttbar pT
ATLAS_2019_I1750330 13000 8.4
ATLAS_2020_I1801434 13000 6.6
ATLAS_2022_I2037744 13000 1.7
ATLAS_2022_I2077575 13000 1.9*
CMS_2018_I1703993 13000 210
CMS_2021_I1901295 13000 29
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 8.0
ttbar.thetaStar
ATLAS_2022_I2077575 13000 1.8
CMS_2021_I1901295 13000 46
Ttbar rapidity
ATLAS_2019_I1750330 13000 8.0
ATLAS_2020_I1801434 13000 6.3*
ATLAS_2022_I2037744 13000 0.56
ATLAS_2022_I2077575 13000 1.7
CMS_2018_I1703993 13000 140
CMS_2021_I1901295 13000 41
Mean rapidity
ATLAS_2019_I1750330 13000 12
ATLAS_2020_I1801434 13000 6.2
ATLAS_2022_I2077575 13000 1.9
ttbarej.ht
ATLAS_2022_I2037744 13000 2.6
ttbarej.m
CMS_2021_I1901295 13000 35
pT ratio
W to b
ATLAS_2020_I1801434 13000 7.9
pT ratio
W to top
ATLAS_2020_I1801434 13000 7.4
Cross sections
ATLAS_2022_I2037744 13000 2.1
ATLAS_2022_I2077575 13000 6.7
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.