Generator / tune

Details for Pythia 8.308 tune-A14-CTEQL1 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 1.5 0 1.5
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 5.5 -0.30 5.2
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 4.6 -2.5 2.1
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 2.4 -0.30 2.1
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 4.8 -3.7 1.1
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 2.6 +1.0 3.6
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.27 +0.56 0.83
B jet
η
CMS_2018_I1703993 13000 15 -4.0 11
B jet
pT
CMS_2018_I1703993 13000 16 -4.0 12
bjbj.m
CMS_2018_I1703993 13000 20 -6.0 14
bjbj.pt
CMS_2018_I1703993 13000 17 -4.0 13
bjt.dphi
ATLAS_2022_I2037744 13000 0.84 +0.26 1.1
ej.pt
ATLAS_2022_I2037744 13000 1.9 0 1.9
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 2.7 -0.40 2.3
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 1.9 +1.1 3.0
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 1.9 +1.1 3.0
ΔR(extra jets)
ATLAS_2020_I1801434 13000 2.2 -0.10 2.1
ejej.dphi
ATLAS_2022_I2037744 13000 0.30 +0.90 1.2
ejets.ht
CMS_2021_I1901295 13000 10 -2.8 7.2
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 2.0 0 2.0
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 2.2 +0.100 2.3
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.12 -0.047 0.073
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.050 -0.0070 0.043
Jet mass
Jet mass
CMS_2017_I1518399 8000 7.5 -6.0 1.5
CMS_2019_I1764472 13000 0.30 +0.48 0.78
Jet pT
ATLAS_2014_I1304688 7000 7.7 +0.70 8.4
ATLAS_2019_I1718132 13000 4.8* -1.2 3.6
Dijet
Δη
ATLAS_2019_I1718132 13000 7.1 -2.1 5.0
Dijet
Δφ
ATLAS_2019_I1718132 13000 6.5 -1.7 4.8
Dijet
HT
ATLAS_2019_I1718132 13000 n/a - 3.7
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 7.3 -2.6 4.7
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.3 -0.10 1.2
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.15 -0.0100 0.14
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.8 0 1.8
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.89 -0.090 0.80
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.8 -0.40 1.4
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 2.7 +0.20 2.9
Lepton η
ATLAS_2019_I1759875 13000 11 +1.0 12
CMS_2018_I1703993 13000 8.9 -1.7 7.2
Lepton pT
ATLAS_2019_I1759875 13000 14 +2.0 16
CMS_2018_I1703993 13000 16 -3.0 13
CMS_2021_I1901295 13000 7.5 -3.8 3.7
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 4.8 -0.30 4.5
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.66 -0.010 0.65
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 5.3 -0.60 4.7
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 6.8 -2.1 4.7
Dilepton
E
ATLAS_2019_I1759875 13000 13 0 13
Dilepton
Δη
CMS_2016_I1430892 8000 0.66 +0.44 1.1
CMS_2018_I1703993 13000 13 -4.1 8.9
Dilepton
Δφ
ATLAS_2019_I1718132 13000 5.9 -0.60 5.3
ATLAS_2019_I1759875 13000 8.6 +2.4 11
CMS_2018_I1703993 13000 17 -5.0 12
Dilepton
HT
ATLAS_2019_I1759875 13000 12 +1.0 13
Dilepton
m
ATLAS_2019_I1759875 13000 11 +2.0 13
CMS_2018_I1703993 13000 16 -1.0 15
Dilepton
pT
ATLAS_2019_I1718132 13000 7.0 -1.8 5.2
ATLAS_2019_I1759875 13000 12 +2.0 14
CMS_2018_I1703993 13000 13 -3.0 10
Dilepton
y
ATLAS_2019_I1759875 13000 8.9 +3.1 12*
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a - n/a
nch
ATLAS_2022_I2152933 13000 2.1 -0.80 1.3
Jet Multiplicities
Extra jets multiplicity
ATLAS_2019_I1750330 13000 n/a - n/a
ATLAS_2022_I2037744 13000 n/a - n/a
CMS_2021_I1901295 13000 14 +1.0 15
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 3.2 +2.2 5.4
CMS_2018_I1703993 13000 16 -6.0 10
sumpt
ATLAS_2022_I2152933 13000 2.5 +2.7 5.2
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
ATLAS_2019_I1750330 13000 3.4 -0.30 3.1
ATLAS_2020_I1801434 13000 3.1 -0.40 2.7*
ATLAS_2022_I2077575 13000 4.2* -1.9 2.3
Top pT
ATLAS_2019_I1750330 13000 3.4 -0.10 3.3*
ATLAS_2020_I1801434 13000 1.9 -0.20 1.7
ATLAS_2022_I2037744 13000 1.1 +0.40 1.5*
ATLAS_2022_I2077575 13000 1.9* +0.30 2.2*
CMS_2018_I1703993 13000 22 +1.0 23
CMS_2021_I1901295 13000 11 -2.0 9.0*
top.pt.ttbarRF
CMS_2018_I1703993 13000 21 +1.0 22
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 4.2 -1.5 2.7
Top rapidity
ATLAS_2019_I1750330 13000 3.5 0 3.5
ATLAS_2020_I1801434 13000 2.3 +0.40 2.7
ATLAS_2022_I2037744 13000 0.78 +1.0 1.8*
ATLAS_2022_I2077575 13000 2.1* +0.50 2.6*
CMS_2018_I1703993 13000 19 0 19
CMS_2021_I1901295 13000 8.2 -1.3 6.9
topej.dphi
ATLAS_2022_I2037744 13000 2.2* +0.30 2.5
topej.m
ATLAS_2022_I2037744 13000 1.9 -1.1 0.79
χ(ttbar)
ATLAS_2019_I1750330 13000 4.3 -0.30 4.0
ATLAS_2020_I1801434 13000 2.2 +1.4 3.6
ATLAS_2022_I2077575 13000 3.8* -0.90 2.9
Δφ(ttbar)
ATLAS_2019_I1750330 13000 4.3 -0.30 4.0
ATLAS_2020_I1801434 13000 3.3 -1.1 2.2
ATLAS_2022_I2037744 13000 0.72 -0.20 0.52
ATLAS_2022_I2077575 13000 3.0 -0.20 2.8
CMS_2018_I1703993 13000 30 -1.0 29
CMS_2021_I1901295 13000 17 -2.0 15
Δy (ttbar)
CMS_2016_I1430892 8000 1.0 +0.20 1.2
CMS_2018_I1703993 13000 23 -2.0 21
CMS_2021_I1901295 13000 9.9 -2.3 7.6
ttbar HT
ATLAS_2019_I1750330 13000 3.0 -0.20 2.8
ATLAS_2020_I1801434 13000 1.9 -0.30 1.6
ATLAS_2022_I2037744 13000 0.69 - n/a
ATLAS_2022_I2077575 13000 2.5 0 2.5
CMS_2021_I1901295 13000 8.0 -1.2 6.8
m(ttbar)
ATLAS_2019_I1750330 13000 3.1* -0.30 2.8*
ATLAS_2020_I1801434 13000 1.7 +0.30 2.0
ATLAS_2022_I2037744 13000 0.48 +0.12 0.60
ATLAS_2022_I2077575 13000 1.7* +0.60 2.3*
CMS_2018_I1703993 13000 21 0 21
CMS_2021_I1901295 13000 15 -3.0 12
Pcrossttbar
ATLAS_2020_I1801434 13000 2.9 -0.30 2.6
ttbar pT
ATLAS_2019_I1750330 13000 3.3 +0.30 3.6*
ATLAS_2020_I1801434 13000 2.2 +0.20 2.4*
ATLAS_2022_I2037744 13000 0.41 -0.24 0.17
ATLAS_2022_I2077575 13000 1.9* +0.30 2.2*
CMS_2018_I1703993 13000 20 -3.0 17
CMS_2021_I1901295 13000 9.0 -0.70 8.3
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 2.4 -0.50 1.9
ttbar.thetaStar
ATLAS_2022_I2077575 13000 4.3* -1.6 2.7
CMS_2021_I1901295 13000 14 -2.0 12
Ttbar rapidity
ATLAS_2019_I1750330 13000 3.5 -0.40 3.1
ATLAS_2020_I1801434 13000 1.9 -0.40 1.5
ATLAS_2022_I2037744 13000 1.8 -1.3 0.47
ATLAS_2022_I2077575 13000 2.9 -0.30 2.6
CMS_2018_I1703993 13000 17 0 17
CMS_2021_I1901295 13000 12 -2.1 9.9
Mean rapidity
ATLAS_2019_I1750330 13000 4.4 -0.40 4.0
ATLAS_2020_I1801434 13000 2.4 -0.40 2.0
ATLAS_2022_I2077575 13000 2.8 -0.40 2.4
ttbarej.ht
ATLAS_2022_I2037744 13000 2.3 -0.30 2.0
ttbarej.m
CMS_2021_I1901295 13000 14 -3.0 11
pT ratio
W to b
ATLAS_2020_I1801434 13000 1.8 +0.100 1.9
pT ratio
W to top
ATLAS_2020_I1801434 13000 2.2 -0.10 2.1
Cross sections
ATLAS_2022_I2037744 13000 0.36 +0.11 0.47
ATLAS_2022_I2077575 13000 16 +1.0 17
CMS_2019_I1753720 13000 n/a - 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 2224 histograms.