Generator / tune

Details for Pythia 8.308 tune-AU2

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 1.1
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 3.6
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 0.59
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 1.5
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 0.41
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 3.4
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.40
B jet
η
CMS_2018_I1703993 13000 22
B jet
pT
CMS_2018_I1703993 13000 27
bjbj.m
CMS_2018_I1703993 13000 36
bjbj.pt
CMS_2018_I1703993 13000 29
bjt.dphi
ATLAS_2022_I2037744 13000 1.2
ej.pt
ATLAS_2022_I2037744 13000 2.7*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 1.8
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 2.6
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 2.8
ΔR(extra jets)
ATLAS_2020_I1801434 13000 1.8
ejej.dphi
ATLAS_2022_I2037744 13000 0.49
ejets.ht
CMS_2021_I1901295 13000 6.1
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 4.5
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 2.2
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.068
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.025
Jet mass
Jet mass
CMS_2017_I1518399 8000 5.4
CMS_2019_I1764472 13000 0.36
Jet pT
ATLAS_2014_I1304688 7000 13
ATLAS_2019_I1718132 13000 8.0*
Dijet
Δη
ATLAS_2019_I1718132 13000 9.6
Dijet
Δφ
ATLAS_2019_I1718132 13000 13
Dijet
HT
ATLAS_2019_I1718132 13000 n/a
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 13
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 2.1
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.22
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.5
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.88
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.3
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.4
Lepton η
ATLAS_2019_I1759875 13000 17
CMS_2018_I1703993 13000 14
Lepton pT
ATLAS_2019_I1759875 13000 24
CMS_2018_I1703993 13000 25
CMS_2021_I1901295 13000 6.2
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 5.8
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.81
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 6.1
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 16*
Dilepton
E
ATLAS_2019_I1759875 13000 19
Dilepton
Δη
CMS_2016_I1430892 8000 0.95
CMS_2018_I1703993 13000 18
Dilepton
Δφ
ATLAS_2019_I1718132 13000 9.6
ATLAS_2019_I1759875 13000 15*
CMS_2018_I1703993 13000 26
Dilepton
HT
ATLAS_2019_I1759875 13000 19
Dilepton
m
ATLAS_2019_I1759875 13000 21
CMS_2018_I1703993 13000 24
Dilepton
pT
ATLAS_2019_I1718132 13000 8.9
ATLAS_2019_I1759875 13000 22
CMS_2018_I1703993 13000 21
Dilepton
y
ATLAS_2019_I1759875 13000 15
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 7.6
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 13
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 5.4
CMS_2018_I1703993 13000 21
sumpt
ATLAS_2022_I2152933 13000 6.5
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 5.2
ATLAS_2020_I1801434 13000 3.8
ATLAS_2022_I2077575 13000 3.1*
Top pT
ATLAS_2019_I1750330 13000 4.4*
ATLAS_2020_I1801434 13000 4.1
ATLAS_2022_I2037744 13000 0.44
ATLAS_2022_I2077575 13000 1.6*
CMS_2018_I1703993 13000 34
CMS_2021_I1901295 13000 12
top.pt.ttbarRF
CMS_2018_I1703993 13000 33
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 4.3
Top rapidity
ATLAS_2019_I1750330 13000 5.2
ATLAS_2020_I1801434 13000 4.4
ATLAS_2022_I2037744 13000 0.82
ATLAS_2022_I2077575 13000 1.6*
CMS_2018_I1703993 13000 31
CMS_2021_I1901295 13000 11
topej.dphi
ATLAS_2022_I2037744 13000 2.6
topej.m
ATLAS_2022_I2037744 13000 3.0
χ(ttbar)
ATLAS_2019_I1750330 13000 5.4
ATLAS_2020_I1801434 13000 3.5
ATLAS_2022_I2077575 13000 2.8*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 5.5
ATLAS_2020_I1801434 13000 4.1
ATLAS_2022_I2037744 13000 1.4
ATLAS_2022_I2077575 13000 2.7
CMS_2018_I1703993 13000 50
CMS_2021_I1901295 13000 17
Δy (ttbar)
CMS_2016_I1430892 8000 0.52
CMS_2018_I1703993 13000 34
CMS_2021_I1901295 13000 11
ttbar HT
ATLAS_2019_I1750330 13000 4.3
ATLAS_2020_I1801434 13000 6.2
ATLAS_2022_I2037744 13000 0.81
ATLAS_2022_I2077575 13000 3.2*
CMS_2021_I1901295 13000 11
m(ttbar)
ATLAS_2019_I1750330 13000 3.6
ATLAS_2020_I1801434 13000 4.9
ATLAS_2022_I2037744 13000 0.39
ATLAS_2022_I2077575 13000 1.6*
CMS_2018_I1703993 13000 34
CMS_2021_I1901295 13000 15
Pcrossttbar
ATLAS_2020_I1801434 13000 4.0
ttbar pT
ATLAS_2019_I1750330 13000 5.2
ATLAS_2020_I1801434 13000 3.5
ATLAS_2022_I2037744 13000 0.54
ATLAS_2022_I2077575 13000 1.7*
CMS_2018_I1703993 13000 37
CMS_2021_I1901295 13000 14
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 4.6
ttbar.thetaStar
ATLAS_2022_I2077575 13000 1.8
CMS_2021_I1901295 13000 15
Ttbar rapidity
ATLAS_2019_I1750330 13000 4.9
ATLAS_2020_I1801434 13000 3.7
ATLAS_2022_I2037744 13000 0.97
ATLAS_2022_I2077575 13000 2.0
CMS_2018_I1703993 13000 29
CMS_2021_I1901295 13000 13
Mean rapidity
ATLAS_2019_I1750330 13000 6.3
ATLAS_2020_I1801434 13000 3.6
ATLAS_2022_I2077575 13000 1.9
ttbarej.ht
ATLAS_2022_I2037744 13000 1.5
ttbarej.m
CMS_2021_I1901295 13000 10
pT ratio
W to b
ATLAS_2020_I1801434 13000 5.2
pT ratio
W to top
ATLAS_2020_I1801434 13000 3.7
Cross sections
ATLAS_2022_I2037744 13000 0.017
ATLAS_2022_I2077575 13000 10.0
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.