Generator / tune

Details for Pythia 6.427 z2

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 44
B jet
 pT
 CMS_2018_I1703993 13000 53
bjbj.m
 CMS_2018_I1703993 13000 62
bjbj.pt
 CMS_2018_I1703993 13000 56
bjt.dphi
 ATLAS_2022_I2037744 13000 1.6
ej.pt
 ATLAS_2022_I2037744 13000 2.8
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 3.7
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 4.3
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 4.3
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 3.3
ejej.dphi
 ATLAS_2022_I2037744 13000 0.79
ejets.ht
 CMS_2021_I1901295 13000 11
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 4.6
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 4.0*
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 1.0
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.83
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 n/a
CMS_2019_I1764472 13000 0.55
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 4.3
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.96
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 2.4
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 1.9
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 2.4
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 3.4
Lepton η
 ATLAS_2019_I1759875 13000 32
CMS_2018_I1703993 13000 27
Lepton pT
 ATLAS_2019_I1759875 13000 42
CMS_2018_I1703993 13000 50
CMS_2021_I1901295 13000 13
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 5.5
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 1.1
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 7.2
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 n/a
Dilepton
 E
 ATLAS_2019_I1759875 13000 36
Dilepton
 Δη
 CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 37
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 21
CMS_2018_I1703993 13000 42
Dilepton
 HT
 ATLAS_2019_I1759875 13000 35
Dilepton
 m
 ATLAS_2019_I1759875 13000 34
CMS_2018_I1703993 13000 45
Dilepton
 pT
 ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 34
CMS_2018_I1703993 13000 42
Dilepton
 y
 ATLAS_2019_I1759875 13000 25
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a
nch
 ATLAS_2022_I2152933 13000 1.5
Jet Multiplicities
 Extra jets multiplicity
 ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 19
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 8.0
CMS_2018_I1703993 13000 43
sumpt
 ATLAS_2022_I2152933 13000 6.4
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a
Pouttop
 ATLAS_2019_I1750330 13000 7.6
ATLAS_2020_I1801434 13000 5.1*
ATLAS_2022_I2077575 13000 1.6
Top pT
 ATLAS_2019_I1750330 13000 5.5*
ATLAS_2020_I1801434 13000 5.2
ATLAS_2022_I2037744 13000 1.3
ATLAS_2022_I2077575 13000 1.2*
CMS_2018_I1703993 13000 72
CMS_2021_I1901295 13000 20*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 66
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 6.0
Top rapidity
 ATLAS_2019_I1750330 13000 6.8
ATLAS_2020_I1801434 13000 6.8
ATLAS_2022_I2037744 13000 1.0*
ATLAS_2022_I2077575 13000 1.5*
CMS_2018_I1703993 13000 64
CMS_2021_I1901295 13000 21
topej.dphi
 ATLAS_2022_I2037744 13000 2.8
topej.m
 ATLAS_2022_I2037744 13000 0.73
χ(ttbar)
 ATLAS_2019_I1750330 13000 7.6
ATLAS_2020_I1801434 13000 6.9
ATLAS_2022_I2077575 13000 1.8
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 6.2
ATLAS_2020_I1801434 13000 7.0
ATLAS_2022_I2037744 13000 2.0
ATLAS_2022_I2077575 13000 1.8
CMS_2018_I1703993 13000 92
CMS_2021_I1901295 13000 26
Δy (ttbar)
 CMS_2016_I1430892 8000 n/a
CMS_2018_I1703993 13000 73
CMS_2021_I1901295 13000 22
ttbar HT
 ATLAS_2019_I1750330 13000 5.8
ATLAS_2020_I1801434 13000 4.7
ATLAS_2022_I2037744 13000 0.74
ATLAS_2022_I2077575 13000 1.5
CMS_2021_I1901295 13000 n/a
m(ttbar)
 ATLAS_2019_I1750330 13000 4.9
ATLAS_2020_I1801434 13000 6.1
ATLAS_2022_I2037744 13000 1.2
ATLAS_2022_I2077575 13000 1.4*
CMS_2018_I1703993 13000 72
CMS_2021_I1901295 13000 28*
Pcrossttbar
 ATLAS_2020_I1801434 13000 6.5
ttbar pT
 ATLAS_2019_I1750330 13000 6.9
ATLAS_2020_I1801434 13000 4.7*
ATLAS_2022_I2037744 13000 2.0
ATLAS_2022_I2077575 13000 1.4*
CMS_2018_I1703993 13000 65
CMS_2021_I1901295 13000 15
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 5.3
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 1.3
CMS_2021_I1901295 13000 29
Ttbar rapidity
 ATLAS_2019_I1750330 13000 6.4
ATLAS_2020_I1801434 13000 3.6*
ATLAS_2022_I2037744 13000 0.48
ATLAS_2022_I2077575 13000 2.2
CMS_2018_I1703993 13000 58
CMS_2021_I1901295 13000 25
Mean rapidity
 ATLAS_2019_I1750330 13000 9.7
ATLAS_2020_I1801434 13000 4.9
ATLAS_2022_I2077575 13000 2.0
ttbarej.ht
 ATLAS_2022_I2037744 13000 2.5
ttbarej.m
 CMS_2021_I1901295 13000 18
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 5.3
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 5.5
Cross sections
 ATLAS_2022_I2037744 13000 1.1
ATLAS_2022_I2077575 13000 5.3
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.