Generator / tune

Details for Pythia 6.427 349

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5%
Asymmetry
 AC vs Mttbar
 CMS_2016_I1430892 8000 0.34
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 4.6
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 1.6
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 1.1
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 0.90
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 0.54
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 0.62
B jet
 η
 CMS_2018_I1703993 13000 11
B jet
 pT
 CMS_2018_I1703993 13000 12
bjbj.m
 CMS_2018_I1703993 13000 16
bjbj.pt
 CMS_2018_I1703993 13000 12
bjt.dphi
 ATLAS_2022_I2037744 13000 0.68
ej.pt
 ATLAS_2022_I2037744 13000 2.3*
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 1.0
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 1.3
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 1.4
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 1.2
ejej.dphi
 ATLAS_2022_I2037744 13000 0.89
ejets.ht
 CMS_2021_I1901295 13000 7.1
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 1.5
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 1.5
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.20
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.070
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 2.1
CMS_2019_I1764472 13000 0.66
Jet pT
 ATLAS_2014_I1304688 7000 7.1
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 2.3
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.29
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 1.8
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 1.3
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 1.7
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 2.5
Lepton η
 ATLAS_2019_I1759875 13000 13
CMS_2018_I1703993 13000 7.0
Lepton pT
 ATLAS_2019_I1759875 13000 18
CMS_2018_I1703993 13000 11
CMS_2021_I1901295 13000 3.8
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 3.5
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 0.50
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 4.2
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 n/a
Dilepton
 E
 ATLAS_2019_I1759875 13000 14
Dilepton
 Δη
 CMS_2016_I1430892 8000 0.78
CMS_2018_I1703993 13000 8.6
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 10
CMS_2018_I1703993 13000 13
Dilepton
 HT
 ATLAS_2019_I1759875 13000 15
Dilepton
 m
 ATLAS_2019_I1759875 13000 16
CMS_2018_I1703993 13000 12
Dilepton
 pT
 ATLAS_2019_I1718132 13000 n/a
ATLAS_2019_I1759875 13000 15
CMS_2018_I1703993 13000 11
Dilepton
 y
 ATLAS_2019_I1759875 13000 12
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 6.7
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a
ATLAS_2020_I1801434 13000 4.6
CMS_2018_I1703993 13000 11
sumpt
 ATLAS_2022_I2152933 13000 2.5
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a
Pouttop
 ATLAS_2019_I1750330 13000 3.3
ATLAS_2020_I1801434 13000 2.8
ATLAS_2022_I2077575 13000 4.8*
Top pT
 ATLAS_2019_I1750330 13000 2.8*
ATLAS_2020_I1801434 13000 2.4
ATLAS_2022_I2037744 13000 2.3*
ATLAS_2022_I2077575 13000 2.2*
CMS_2018_I1703993 13000 20
CMS_2021_I1901295 13000 7.3*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 20
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 3.1
Top rapidity
 ATLAS_2019_I1750330 13000 3.3
ATLAS_2020_I1801434 13000 3.4
ATLAS_2022_I2037744 13000 1.4*
ATLAS_2022_I2077575 13000 2.6
CMS_2018_I1703993 13000 18
CMS_2021_I1901295 13000 6.7
topej.dphi
 ATLAS_2022_I2037744 13000 2.2
topej.m
 ATLAS_2022_I2037744 13000 1.2
χ(ttbar)
 ATLAS_2019_I1750330 13000 3.7
ATLAS_2020_I1801434 13000 2.4
ATLAS_2022_I2077575 13000 2.4
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 3.4
ATLAS_2020_I1801434 13000 4.6
ATLAS_2022_I2037744 13000 2.6
ATLAS_2022_I2077575 13000 3.3
CMS_2018_I1703993 13000 34
CMS_2021_I1901295 13000 11
Δy (ttbar)
 CMS_2016_I1430892 8000 0.72
CMS_2018_I1703993 13000 20
CMS_2021_I1901295 13000 6.5
ttbar HT
 ATLAS_2019_I1750330 13000 2.8
ATLAS_2020_I1801434 13000 2.1
ATLAS_2022_I2037744 13000 2.0
ATLAS_2022_I2077575 13000 4.3*
CMS_2021_I1901295 13000 7.2
m(ttbar)
 ATLAS_2019_I1750330 13000 2.5*
ATLAS_2020_I1801434 13000 4.2
ATLAS_2022_I2037744 13000 n/a
ATLAS_2022_I2077575 13000 2.2*
CMS_2018_I1703993 13000 28
CMS_2021_I1901295 13000 9.3*
Pcrossttbar
 ATLAS_2020_I1801434 13000 2.7
ttbar pT
 ATLAS_2019_I1750330 13000 3.4
ATLAS_2020_I1801434 13000 2.9
ATLAS_2022_I2037744 13000 0.85
ATLAS_2022_I2077575 13000 2.3*
CMS_2018_I1703993 13000 21
CMS_2021_I1901295 13000 7.5*
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 2.6
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 2.7
CMS_2021_I1901295 13000 9.9
Ttbar rapidity
 ATLAS_2019_I1750330 13000 2.9
ATLAS_2020_I1801434 13000 1.8
ATLAS_2022_I2037744 13000 0.91
ATLAS_2022_I2077575 13000 2.8
CMS_2018_I1703993 13000 16
CMS_2021_I1901295 13000 8.3
Mean rapidity
 ATLAS_2019_I1750330 13000 4.4
ATLAS_2020_I1801434 13000 2.3
ATLAS_2022_I2077575 13000 4.5*
ttbarej.ht
 ATLAS_2022_I2037744 13000 1.7
ttbarej.m
 CMS_2021_I1901295 13000 7.3
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 2.5
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 2.8
Cross sections
 ATLAS_2022_I2037744 13000 0.59
ATLAS_2022_I2077575 13000 20
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.