Generator / tune

Details for Pythia 8.315 qcdcr2

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 6.6
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 56
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 20
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 10.0
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 9.4
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 15
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.62
B jet
η
CMS_2018_I1703993 13000 23
B jet
pT
CMS_2018_I1703993 13000 29
bjbj.m
CMS_2018_I1703993 13000 36
bjbj.pt
CMS_2018_I1703993 13000 29
bjt.dphi
ATLAS_2022_I2037744 13000 0.85
ej.pt
ATLAS_2022_I2037744 13000 2.8*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 2.2
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 2.5
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 2.7
ΔR(extra jets)
ATLAS_2020_I1801434 13000 2.7
ejej.dphi
ATLAS_2022_I2037744 13000 1.0
ejets.ht
CMS_2021_I1901295 13000 11
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 3.0
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 1.9
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.23
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.085
Jet mass
Jet mass
CMS_2017_I1518399 8000 12
CMS_2019_I1764472 13000 0.46
Jet pT
ATLAS_2014_I1304688 7000 8.2
ATLAS_2019_I1718132 13000 14
Dijet
Δη
ATLAS_2019_I1718132 13000 24
Dijet
Δφ
ATLAS_2019_I1718132 13000 28
Dijet
HT
ATLAS_2019_I1718132 13000 14
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 24
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 2.1
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.32
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.9
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.96
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.9
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.7
Lepton η
ATLAS_2019_I1759875 13000 18
CMS_2018_I1703993 13000 15
Lepton pT
ATLAS_2019_I1759875 13000 24
CMS_2018_I1703993 13000 28
CMS_2021_I1901295 13000 6.5
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 5.4
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 1.9
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 4.8
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 28
Dilepton
E
ATLAS_2019_I1759875 13000 21
Dilepton
Δη
CMS_2016_I1430892 8000 0.54
CMS_2018_I1703993 13000 20
Dilepton
Δφ
ATLAS_2019_I1718132 13000 37
ATLAS_2019_I1759875 13000 13
CMS_2018_I1703993 13000 29
Dilepton
HT
ATLAS_2019_I1759875 13000 20
Dilepton
m
ATLAS_2019_I1759875 13000 20
CMS_2018_I1703993 13000 31
Dilepton
pT
ATLAS_2019_I1718132 13000 20
ATLAS_2019_I1759875 13000 20
CMS_2018_I1703993 13000 23
Dilepton
y
ATLAS_2019_I1759875 13000 14
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 4.2
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 16
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 4.4
CMS_2018_I1703993 13000 21
sumpt
ATLAS_2022_I2152933 13000 4.9
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 4.9
ATLAS_2020_I1801434 13000 3.4
ATLAS_2022_I2077575 13000 4.8*
Top pT
ATLAS_2019_I1750330 13000 3.9*
ATLAS_2020_I1801434 13000 2.6
ATLAS_2022_I2037744 13000 1.5*
ATLAS_2022_I2077575 13000 2.4*
CMS_2018_I1703993 13000 38
CMS_2021_I1901295 13000 12*
top.pt.ttbarRF
CMS_2018_I1703993 13000 35
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 3.5
Top rapidity
ATLAS_2019_I1750330 13000 4.4
ATLAS_2020_I1801434 13000 3.0
ATLAS_2022_I2037744 13000 1.8
ATLAS_2022_I2077575 13000 3.0*
CMS_2018_I1703993 13000 31
CMS_2021_I1901295 13000 12
topej.dphi
ATLAS_2022_I2037744 13000 2.1
topej.m
ATLAS_2022_I2037744 13000 0.90
χ(ttbar)
ATLAS_2019_I1750330 13000 4.9
ATLAS_2020_I1801434 13000 4.6
ATLAS_2022_I2077575 13000 2.7
Δφ(ttbar)
ATLAS_2019_I1750330 13000 5.0
ATLAS_2020_I1801434 13000 4.3
ATLAS_2022_I2037744 13000 2.2
ATLAS_2022_I2077575 13000 3.7
CMS_2018_I1703993 13000 49
CMS_2021_I1901295 13000 21
Δy (ttbar)
CMS_2016_I1430892 8000 0.13
CMS_2018_I1703993 13000 31
CMS_2021_I1901295 13000 12
ttbar HT
ATLAS_2019_I1750330 13000 3.7
ATLAS_2020_I1801434 13000 2.5
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 2.6
CMS_2021_I1901295 13000 12
m(ttbar)
ATLAS_2019_I1750330 13000 3.3*
ATLAS_2020_I1801434 13000 2.0
ATLAS_2022_I2037744 13000 2.1
ATLAS_2022_I2077575 13000 2.3*
CMS_2018_I1703993 13000 41
CMS_2021_I1901295 13000 16
Pcrossttbar
ATLAS_2020_I1801434 13000 2.8
ttbar pT
ATLAS_2019_I1750330 13000 4.5
ATLAS_2020_I1801434 13000 2.5
ATLAS_2022_I2037744 13000 0.83
ATLAS_2022_I2077575 13000 2.5*
CMS_2018_I1703993 13000 29
CMS_2021_I1901295 13000 12
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 3.1
ttbar.thetaStar
ATLAS_2022_I2077575 13000 2.7
CMS_2021_I1901295 13000 17
Ttbar rapidity
ATLAS_2019_I1750330 13000 4.4
ATLAS_2020_I1801434 13000 2.3
ATLAS_2022_I2037744 13000 1.9
ATLAS_2022_I2077575 13000 5.1*
CMS_2018_I1703993 13000 30
CMS_2021_I1901295 13000 15
Mean rapidity
ATLAS_2019_I1750330 13000 6.4
ATLAS_2020_I1801434 13000 2.6
ATLAS_2022_I2077575 13000 4.8*
ttbarej.ht
ATLAS_2022_I2037744 13000 0.54
ttbarej.m
CMS_2021_I1901295 13000 13
pT ratio
W to b
ATLAS_2020_I1801434 13000 3.4
pT ratio
W to top
ATLAS_2020_I1801434 13000 2.9
Cross sections
ATLAS_2022_I2037744 13000 0.98
ATLAS_2022_I2077575 13000 18
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.