Generator / tune

Details for Pythia 8.313 CP5

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 3.4
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 6.6
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 2.4
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 0.21
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 0.88
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 2.0
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.14
B jet
η
CMS_2018_I1703993 13000 35
B jet
pT
CMS_2018_I1703993 13000 39
bjbj.m
CMS_2018_I1703993 13000 49
bjbj.pt
CMS_2018_I1703993 13000 42
bjt.dphi
ATLAS_2022_I2037744 13000 3.4
ej.pt
ATLAS_2022_I2037744 13000 2.7*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 4.7
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 4.7
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 4.9
ΔR(extra jets)
ATLAS_2020_I1801434 13000 3.4
ejej.dphi
ATLAS_2022_I2037744 13000 1.6
ejets.ht
CMS_2021_I1901295 13000 31
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 4.0
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 4.2
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.027
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.049
Jet mass
Jet mass
CMS_2017_I1518399 8000 5.7
CMS_2019_I1764472 13000 0.82
Jet pT
ATLAS_2014_I1304688 7000 16
ATLAS_2019_I1718132 13000 16*
Dijet
Δη
ATLAS_2019_I1718132 13000 22
Dijet
Δφ
ATLAS_2019_I1718132 13000 23
Dijet
HT
ATLAS_2019_I1718132 13000 n/a
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 26
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.7
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.22
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.3
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.60
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.5
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.4
Lepton η
ATLAS_2019_I1759875 13000 29
CMS_2018_I1703993 13000 21
Lepton pT
ATLAS_2019_I1759875 13000 39
CMS_2018_I1703993 13000 40
CMS_2021_I1901295 13000 12
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 4.3
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.68
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 5.0
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 25
Dilepton
E
ATLAS_2019_I1759875 13000 32
Dilepton
Δη
CMS_2016_I1430892 8000 1.1
CMS_2018_I1703993 13000 32
Dilepton
Δφ
ATLAS_2019_I1718132 13000 16
ATLAS_2019_I1759875 13000 22
CMS_2018_I1703993 13000 38
Dilepton
HT
ATLAS_2019_I1759875 13000 32
Dilepton
m
ATLAS_2019_I1759875 13000 29
CMS_2018_I1703993 13000 40
Dilepton
pT
ATLAS_2019_I1718132 13000 18
ATLAS_2019_I1759875 13000 33
CMS_2018_I1703993 13000 32
Dilepton
y
ATLAS_2019_I1759875 13000 27*
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a
nch
ATLAS_2022_I2152933 13000 1.8
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a
ATLAS_2022_I2037744 13000 n/a
CMS_2021_I1901295 13000 36
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 5.3
CMS_2018_I1703993 13000 33
sumpt
ATLAS_2022_I2152933 13000 6.4
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a
Pouttop
ATLAS_2019_I1750330 13000 7.5
ATLAS_2020_I1801434 13000 3.3
ATLAS_2022_I2077575 13000 3.0*
Top pT
ATLAS_2019_I1750330 13000 6.8*
ATLAS_2020_I1801434 13000 3.8
ATLAS_2022_I2037744 13000 4.8
ATLAS_2022_I2077575 13000 1.8*
CMS_2018_I1703993 13000 60
CMS_2021_I1901295 13000 23
top.pt.ttbarRF
CMS_2018_I1703993 13000 58
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 5.6
Top rapidity
ATLAS_2019_I1750330 13000 7.9
ATLAS_2020_I1801434 13000 5.7
ATLAS_2022_I2037744 13000 2.2
ATLAS_2022_I2077575 13000 2.0*
CMS_2018_I1703993 13000 56
CMS_2021_I1901295 13000 20
topej.dphi
ATLAS_2022_I2037744 13000 3.5
topej.m
ATLAS_2022_I2037744 13000 2.4
χ(ttbar)
ATLAS_2019_I1750330 13000 7.6
ATLAS_2020_I1801434 13000 4.8
ATLAS_2022_I2077575 13000 2.0
Δφ(ttbar)
ATLAS_2019_I1750330 13000 8.8
ATLAS_2020_I1801434 13000 4.0
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 2.0
CMS_2018_I1703993 13000 91
CMS_2021_I1901295 13000 39
Δy (ttbar)
CMS_2016_I1430892 8000 0.99
CMS_2018_I1703993 13000 59
CMS_2021_I1901295 13000 19
ttbar HT
ATLAS_2019_I1750330 13000 6.2
ATLAS_2020_I1801434 13000 3.7
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 2.8
CMS_2021_I1901295 13000 19
m(ttbar)
ATLAS_2019_I1750330 13000 6.0*
ATLAS_2020_I1801434 13000 5.5
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 1.6*
CMS_2018_I1703993 13000 63
CMS_2021_I1901295 13000 28*
Pcrossttbar
ATLAS_2020_I1801434 13000 3.9
ttbar pT
ATLAS_2019_I1750330 13000 8.3
ATLAS_2020_I1801434 13000 3.8
ATLAS_2022_I2037744 13000 4.4
ATLAS_2022_I2077575 13000 1.7
CMS_2018_I1703993 13000 57
CMS_2021_I1901295 13000 25
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 4.0
ttbar.thetaStar
ATLAS_2022_I2077575 13000 2.2
CMS_2021_I1901295 13000 26
Ttbar rapidity
ATLAS_2019_I1750330 13000 7.4
ATLAS_2020_I1801434 13000 3.8
ATLAS_2022_I2037744 13000 3.1
ATLAS_2022_I2077575 13000 1.6
CMS_2018_I1703993 13000 51
CMS_2021_I1901295 13000 23
Mean rapidity
ATLAS_2019_I1750330 13000 9.3
ATLAS_2020_I1801434 13000 3.5
ATLAS_2022_I2077575 13000 1.7
ttbarej.ht
ATLAS_2022_I2037744 13000 2.9
ttbarej.m
CMS_2021_I1901295 13000 n/a
pT ratio
W to b
ATLAS_2020_I1801434 13000 5.1
pT ratio
W to top
ATLAS_2020_I1801434 13000 4.2
Cross sections
ATLAS_2022_I2037744 13000 13
ATLAS_2022_I2077575 13000 9.6
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.