Generator / tune

Details for Pythia 8.313 tune-A14-CTEQL1 vs. 8.315

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
Asymmetry
 AC vs Mttbar
 CMS_2016_I1430892 8000 1.5 +2.2 3.7
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 5.2 +45 50
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 2.1 +7.9 10
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 2.1 +8.9 11
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 1.1 +7.8 8.9
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 3.6 +9.4 13
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 0.83 +0.37 1.2
B jet
 η
 CMS_2018_I1703993 13000 11 -2.2 8.8
B jet
 pT
 CMS_2018_I1703993 13000 12 -2.4 9.6
bjbj.m
 CMS_2018_I1703993 13000 14 -1.0 13
bjbj.pt
 CMS_2018_I1703993 13000 13 -2.0 11
bjt.dphi
 ATLAS_2022_I2037744 13000 1.1 -0.39 0.71
ej.pt
 ATLAS_2022_I2037744 13000 1.9 +0.10 2.0*
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 2.3 +0.50 2.8
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 3.0 -0.60 2.4
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 3.0 -1.0 2.0
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 2.1 +0.20 2.3
ejej.dphi
 ATLAS_2022_I2037744 13000 1.2 0 1.2
ejets.ht
 CMS_2021_I1901295 13000 7.2 -0.90 6.3
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 2.0 -0.10 1.9
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 2.3 +0.10 2.4
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.073 +0.057 0.13
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.043 +0.021 0.064
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 1.5 +8.3 9.8
CMS_2019_I1764472 13000 0.78 +0.14 0.92
Jet pT
 ATLAS_2014_I1304688 7000 8.4 -0.100 8.3
ATLAS_2019_I1718132 13000 3.6 +3.1 6.7
Dijet
 Δη
 ATLAS_2019_I1718132 13000 5.0 +12 17
Dijet
 Δφ
 ATLAS_2019_I1718132 13000 4.8 +10 15
Dijet
 HT
 ATLAS_2019_I1718132 13000 3.7 +4.7 8.4
Jet mass
 Dijet mass
 ATLAS_2019_I1718132 13000 4.7 +9.3 14
Jet Shapes
 Differential Jet Shape
 ATLAS_2013_I1243871 7000 1.2 +0.40 1.6
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.14 +0.11 0.25
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 1.8 -0.20 1.6
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 0.80 +0.030 0.83
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 1.4 +0.20 1.6
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 2.9 -0.40 2.5
Lepton η
 ATLAS_2019_I1759875 13000 12 -3.5 8.5
CMS_2018_I1703993 13000 7.2 -1.5 5.7
Lepton pT
 ATLAS_2019_I1759875 13000 16 -5.0 11
CMS_2018_I1703993 13000 13 -3.0 10
CMS_2021_I1901295 13000 3.7 +0.60 4.3
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 4.5 -0.20 4.3
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 0.65 +0.020 0.67
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 4.7 0 4.7
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 4.7 +10 15
Dilepton
 E
 ATLAS_2019_I1759875 13000 13 -3.9 9.1
Dilepton
 Δη
 CMS_2016_I1430892 8000 1.1 -0.21 0.89
CMS_2018_I1703993 13000 8.9 -0.90 8.0
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 5.3 +16 21
ATLAS_2019_I1759875 13000 11 -3.7 7.3
CMS_2018_I1703993 13000 12 +1.0 13
Dilepton
 HT
 ATLAS_2019_I1759875 13000 13 -3.5 9.5
Dilepton
 m
 ATLAS_2019_I1759875 13000 13 -3.8 9.2
CMS_2018_I1703993 13000 15 -5.9 9.1
Dilepton
 pT
 ATLAS_2019_I1718132 13000 5.2 +7.8 13
ATLAS_2019_I1759875 13000 14 -4.8 9.2
CMS_2018_I1703993 13000 10 -0.20 9.8
Dilepton
 y
 ATLAS_2019_I1759875 13000 12* -5.7 6.3
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a - n/a
nch
 ATLAS_2022_I2152933 13000 1.3 +0.40 1.7
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 15 -4.0 11
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 5.4 -2.3 3.1
CMS_2018_I1703993 13000 10 -0.50 9.5
sumpt
 ATLAS_2022_I2152933 13000 5.2 -1.7 3.5
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
 ATLAS_2019_I1750330 13000 3.1 -0.20 2.9
ATLAS_2020_I1801434 13000 2.7* -0.20 2.5
ATLAS_2022_I2077575 13000 2.3 +0.20 2.5
Top pT
 ATLAS_2019_I1750330 13000 3.3* -0.70 2.6
ATLAS_2020_I1801434 13000 1.7 +0.80 2.5
ATLAS_2022_I2037744 13000 1.5* +0.30 1.8*
ATLAS_2022_I2077575 13000 2.2* -0.10 2.1*
CMS_2018_I1703993 13000 23 -6.0 17
CMS_2021_I1901295 13000 9.0* -0.40 8.6*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 22 -6.0 16
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 2.7 +0.50 3.2
Top rapidity
 ATLAS_2019_I1750330 13000 3.5 -0.30 3.2
ATLAS_2020_I1801434 13000 2.7 +0.40 3.1
ATLAS_2022_I2037744 13000 1.8* -0.30 1.5
ATLAS_2022_I2077575 13000 2.6* -0.20 2.4*
CMS_2018_I1703993 13000 19 -4.0 15
CMS_2021_I1901295 13000 6.9 -0.20 6.7
topej.dphi
 ATLAS_2022_I2037744 13000 2.5 -0.50 2.0*
topej.m
 ATLAS_2022_I2037744 13000 0.79 +0.71 1.5
χ(ttbar)
 ATLAS_2019_I1750330 13000 4.0 +0.100 4.1
ATLAS_2020_I1801434 13000 3.6 -0.80 2.8
ATLAS_2022_I2077575 13000 2.9 0 2.9
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 4.0 -0.70 3.3
ATLAS_2020_I1801434 13000 2.2 +1.0 3.2
ATLAS_2022_I2037744 13000 0.52 -0.090 0.43
ATLAS_2022_I2077575 13000 2.8 -0.100 2.7
CMS_2018_I1703993 13000 29 -7.0 22
CMS_2021_I1901295 13000 15 -3.0 12
Δy (ttbar)
 CMS_2016_I1430892 8000 1.2 -0.26 0.94
CMS_2018_I1703993 13000 21 -5.0 16
CMS_2021_I1901295 13000 7.6 +0.40 8.0
ttbar HT
 ATLAS_2019_I1750330 13000 2.8 -0.30 2.5
ATLAS_2020_I1801434 13000 1.6 +1.1 2.7
ATLAS_2022_I2037744 13000 n/a - 0.57
ATLAS_2022_I2077575 13000 2.5 -0.10 2.4
CMS_2021_I1901295 13000 6.8 -0.60 6.2
m(ttbar)
 ATLAS_2019_I1750330 13000 2.8* -0.50 2.3*
ATLAS_2020_I1801434 13000 2.0 -0.20 1.8
ATLAS_2022_I2037744 13000 0.60 - n/a
ATLAS_2022_I2077575 13000 2.3* -0.30 2.0*
CMS_2018_I1703993 13000 21 -4.0 17
CMS_2021_I1901295 13000 12 +1.0 13
Pcrossttbar
 ATLAS_2020_I1801434 13000 2.6 +0.20 2.8
ttbar pT
 ATLAS_2019_I1750330 13000 3.6* -0.50 3.1*
ATLAS_2020_I1801434 13000 2.4* -0.10 2.3*
ATLAS_2022_I2037744 13000 0.17 +1.3 1.5
ATLAS_2022_I2077575 13000 2.2* -0.20 2.0*
CMS_2018_I1703993 13000 17 -2.0 15
CMS_2021_I1901295 13000 8.3 -1.0 7.3
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 1.9 +0.20 2.1
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 2.7 +0.30 3.0
CMS_2021_I1901295 13000 12 +1.0 13
Ttbar rapidity
 ATLAS_2019_I1750330 13000 3.1 -0.10 3.0
ATLAS_2020_I1801434 13000 1.5 +0.60 2.1
ATLAS_2022_I2037744 13000 0.47 +1.4 1.9
ATLAS_2022_I2077575 13000 2.6 +0.20 2.8
CMS_2018_I1703993 13000 17 -4.0 13
CMS_2021_I1901295 13000 9.9 +0.100 10
Mean rapidity
 ATLAS_2019_I1750330 13000 4.0 -0.20 3.8
ATLAS_2020_I1801434 13000 2.0 +0.60 2.6
ATLAS_2022_I2077575 13000 2.4 0 2.4
ttbarej.ht
 ATLAS_2022_I2037744 13000 2.0 -0.80 1.2
ttbarej.m
 CMS_2021_I1901295 13000 11 -1.0 10
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 1.9 +1.0 2.9
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 2.1 +0.50 2.6
Cross sections
 ATLAS_2022_I2037744 13000 0.47 -0.13 0.34
ATLAS_2022_I2077575 13000 17 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.