Generator / tune

Details for Pythia 8.308 CP1-CR2 vs. 8.313

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
Asymmetry
 AC vs Mttbar
 CMS_2016_I1430892 8000 5.9 -
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 18 -
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 8.2 -
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 2.2 -
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 1.4 -
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 0.60 -
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 0.84 -
B jet
 η
 CMS_2018_I1703993 13000 20 -
B jet
 pT
 CMS_2018_I1703993 13000 22 -
bjbj.m
 CMS_2018_I1703993 13000 28 -
bjbj.pt
 CMS_2018_I1703993 13000 24 -
bjt.dphi
 ATLAS_2022_I2037744 13000 1.2 -
ej.pt
 ATLAS_2022_I2037744 13000 2.1 -
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 1.2 -
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 1.8 -
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 1.6 -
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 0.72 -
ejej.dphi
 ATLAS_2022_I2037744 13000 0.56 -
ejets.ht
 CMS_2021_I1901295 13000 6.4 -
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 2.7 -
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 1.3 -
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.12 -
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.044 -
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 4.5 -
CMS_2019_I1764472 13000 0.73 -
Jet pT
 ATLAS_2014_I1304688 7000 9.9 -
ATLAS_2019_I1718132 13000 7.1* -
Dijet
 Δη
 ATLAS_2019_I1718132 13000 15* -
Dijet
 Δφ
 ATLAS_2019_I1718132 13000 9.6 -
Dijet
 HT
 ATLAS_2019_I1718132 13000 n/a -
Jet mass
 Dijet mass
 ATLAS_2019_I1718132 13000 11 -
Jet Shapes
 Differential Jet Shape
 ATLAS_2013_I1243871 7000 2.4 -
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.35 -
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 2.2 -
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 1.4 -
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 2.6 -
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 3.0 -
Lepton η
 ATLAS_2019_I1759875 13000 20 -
CMS_2018_I1703993 13000 12 -
Lepton pT
 ATLAS_2019_I1759875 13000 27 -
CMS_2018_I1703993 13000 23 -
CMS_2021_I1901295 13000 5.9 -
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 5.9 -
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 0.92 -
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 6.8 -
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 12* -
Dilepton
 E
 ATLAS_2019_I1759875 13000 23 -
Dilepton
 Δη
 CMS_2016_I1430892 8000 1.3 -
CMS_2018_I1703993 13000 17 -
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 8.1 -
ATLAS_2019_I1759875 13000 14 -
CMS_2018_I1703993 13000 24 -
Dilepton
 HT
 ATLAS_2019_I1759875 13000 22 -
Dilepton
 m
 ATLAS_2019_I1759875 13000 23 -
CMS_2018_I1703993 13000 26 -
Dilepton
 pT
 ATLAS_2019_I1718132 13000 8.7 -
ATLAS_2019_I1759875 13000 21 -
CMS_2018_I1703993 13000 19 -
Dilepton
 y
 ATLAS_2019_I1759875 13000 19* -
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a -
nch
 ATLAS_2022_I2152933 13000 7.8 -
Jet Multiplicities
 Extra jets multiplicity
 ATLAS_2019_I1750330 13000 n/a -
ATLAS_2022_I2037744 13000 n/a -
CMS_2021_I1901295 13000 10 -
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a -
ATLAS_2020_I1801434 13000 5.5 -
CMS_2018_I1703993 13000 18 -
sumpt
 ATLAS_2022_I2152933 13000 5.0 -
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a -
Pouttop
 ATLAS_2019_I1750330 13000 4.4 -
ATLAS_2020_I1801434 13000 3.0 -
ATLAS_2022_I2077575 13000 3.0* -
Top pT
 ATLAS_2019_I1750330 13000 4.2* -
ATLAS_2020_I1801434 13000 2.7 -
ATLAS_2022_I2037744 13000 0.99 -
ATLAS_2022_I2077575 13000 1.9* -
CMS_2018_I1703993 13000 33 -
CMS_2021_I1901295 13000 11 -
top.pt.ttbarRF
 CMS_2018_I1703993 13000 33 -
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 3.9 -
Top rapidity
 ATLAS_2019_I1750330 13000 4.7 -
ATLAS_2020_I1801434 13000 2.8 -
ATLAS_2022_I2037744 13000 1.4* -
ATLAS_2022_I2077575 13000 2.2* -
CMS_2018_I1703993 13000 30 -
CMS_2021_I1901295 13000 9.6 -
topej.dphi
 ATLAS_2022_I2037744 13000 2.2 -
topej.m
 ATLAS_2022_I2037744 13000 2.6 -
χ(ttbar)
 ATLAS_2019_I1750330 13000 5.2 -
ATLAS_2020_I1801434 13000 3.3 -
ATLAS_2022_I2077575 13000 4.5* -
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 5.4 -
ATLAS_2020_I1801434 13000 4.1 -
ATLAS_2022_I2037744 13000 n/a -
ATLAS_2022_I2077575 13000 2.3 -
CMS_2018_I1703993 13000 52 -
CMS_2021_I1901295 13000 16 -
Δy (ttbar)
 CMS_2016_I1430892 8000 1.7 -
CMS_2018_I1703993 13000 36 -
CMS_2021_I1901295 13000 11 -
ttbar HT
 ATLAS_2019_I1750330 13000 3.8 -
ATLAS_2020_I1801434 13000 2.5 -
ATLAS_2022_I2037744 13000 1.6 -
ATLAS_2022_I2077575 13000 3.1* -
CMS_2021_I1901295 13000 9.8 -
m(ttbar)
 ATLAS_2019_I1750330 13000 3.3* -
ATLAS_2020_I1801434 13000 2.7 -
ATLAS_2022_I2037744 13000 1.1 -
ATLAS_2022_I2077575 13000 1.7* -
CMS_2018_I1703993 13000 36 -
CMS_2021_I1901295 13000 15 -
Pcrossttbar
 ATLAS_2020_I1801434 13000 3.2 -
ttbar pT
 ATLAS_2019_I1750330 13000 4.6 -
ATLAS_2020_I1801434 13000 3.1 -
ATLAS_2022_I2037744 13000 1.1 -
ATLAS_2022_I2077575 13000 1.8* -
CMS_2018_I1703993 13000 32 -
CMS_2021_I1901295 13000 12 -
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 3.1 -
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 4.4* -
CMS_2021_I1901295 13000 15 -
Ttbar rapidity
 ATLAS_2019_I1750330 13000 4.3 -
ATLAS_2020_I1801434 13000 1.9 -
ATLAS_2022_I2037744 13000 1.4 -
ATLAS_2022_I2077575 13000 3.9* -
CMS_2018_I1703993 13000 28 -
CMS_2021_I1901295 13000 13 -
Mean rapidity
 ATLAS_2019_I1750330 13000 5.8 -
ATLAS_2020_I1801434 13000 2.4 -
ATLAS_2022_I2077575 13000 3.8* -
ttbarej.ht
 ATLAS_2022_I2037744 13000 0.73 -
ttbarej.m
 CMS_2021_I1901295 13000 10 -
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 3.2 -
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 3.0 -
Cross sections
 ATLAS_2022_I2037744 13000 1.2 -
ATLAS_2022_I2077575 13000 12 -
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.