Generator / tune

Details for Pythia 8.313 tune-AU2ct10 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 0.050 +5.4 5.4
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 11 +25 36
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 0.15 +12 12
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 3.7 +7.3 11
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 2.0 +2.7 4.7
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 2.9 +10 13
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 1.9 -1.4 0.49
B jet
 η
 CMS_2018_I1703993 13000 16 -4.0 12
B jet
 pT
 CMS_2018_I1703993 13000 19 -6.0 13
bjbj.m
 CMS_2018_I1703993 13000 24 -8.0 16
bjbj.pt
 CMS_2018_I1703993 13000 19 -5.0 14
bjt.dphi
 ATLAS_2022_I2037744 13000 0.78 -0.060 0.72
ej.pt
 ATLAS_2022_I2037744 13000 2.3 -0.100 2.2*
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 1.9 -0.80 1.1
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 1.2 +0.40 1.6
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 1.4 +0.60 2.0
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 0.92 -0.49 0.43
ejej.dphi
 ATLAS_2022_I2037744 13000 0.95 +1.3 2.2
ejets.ht
 CMS_2021_I1901295 13000 2.0 +0.10 2.1
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 1.9 +0.90 2.8
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 1.3 -0.30 1.0
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.42 +0.17 0.59
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.13 +0.11 0.24
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 4.8 +4.8 9.6
CMS_2019_I1764472 13000 0.34 0 0.34
Jet pT
 ATLAS_2014_I1304688 7000 5.0 +0.100 5.1
ATLAS_2019_I1718132 13000 1.8* +1.1 2.9
Dijet
 Δη
 ATLAS_2019_I1718132 13000 1.9 +4.1 6.0
Dijet
 Δφ
 ATLAS_2019_I1718132 13000 4.0 +3.5 7.5
Dijet
 HT
 ATLAS_2019_I1718132 13000 1.1 +1.2 2.3
Jet mass
 Dijet mass
 ATLAS_2019_I1718132 13000 2.7 +2.9 5.6
Jet Shapes
 Differential Jet Shape
 ATLAS_2013_I1243871 7000 3.4 -0.50 2.9
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.34 +0.020 0.36
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 1.9 +0.10 2.0
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 1.1 +0.100 1.2
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 1.7 0 1.7
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 2.5 +0.20 2.7
Lepton η
 ATLAS_2019_I1759875 13000 12 -2.0 10
CMS_2018_I1703993 13000 9.7 -2.3 7.4
Lepton pT
 ATLAS_2019_I1759875 13000 16 -3.0 13
CMS_2018_I1703993 13000 18 -5.0 13
CMS_2021_I1901295 13000 3.1 -0.20 2.9
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 6.4 +0.100 6.5
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 0.98 +0.12 1.1
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 6.6 -0.100 6.5
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 2.8* +4.4 7.2
Dilepton
 E
 ATLAS_2019_I1759875 13000 13 -2.0 11
Dilepton
 Δη
 CMS_2016_I1430892 8000 0.36 +0.40 0.76
CMS_2018_I1703993 13000 13 -2.0 11
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 3.6 +8.4 12
ATLAS_2019_I1759875 13000 10 -0.80 9.2*
CMS_2018_I1703993 13000 17 -3.0 14
Dilepton
 HT
 ATLAS_2019_I1759875 13000 13 -2.0 11
Dilepton
 m
 ATLAS_2019_I1759875 13000 15 -4.0 11
CMS_2018_I1703993 13000 16 -3.0 13
Dilepton
 pT
 ATLAS_2019_I1718132 13000 2.1 +2.6 4.7
ATLAS_2019_I1759875 13000 14 -2.0 12
CMS_2018_I1703993 13000 15 -4.0 11
Dilepton
 y
 ATLAS_2019_I1759875 13000 12* -3.2 8.8
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a - n/a
nch
 ATLAS_2022_I2152933 13000 22 +2.0 24
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 10 -0.80 9.2
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 3.5 +0.20 3.7
CMS_2018_I1703993 13000 16 -1.0 15
sumpt
 ATLAS_2022_I2152933 13000 13 +6.0 19
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
 ATLAS_2019_I1750330 13000 3.5 -0.70 2.8
ATLAS_2020_I1801434 13000 2.2 -0.10 2.1
ATLAS_2022_I2077575 13000 2.9 +1.6 4.5*
Top pT
 ATLAS_2019_I1750330 13000 2.4* +0.10 2.5*
ATLAS_2020_I1801434 13000 2.2 -0.20 2.0*
ATLAS_2022_I2037744 13000 0.87* -0.030 0.84*
ATLAS_2022_I2077575 13000 2.5* 0 2.5*
CMS_2018_I1703993 13000 23 0 23
CMS_2021_I1901295 13000 7.0* -1.0 6.0
top.pt.ttbarRF
 CMS_2018_I1703993 13000 24 -2.0 22
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 3.3 -1.1 2.2
Top rapidity
 ATLAS_2019_I1750330 13000 3.6 -0.10 3.5
ATLAS_2020_I1801434 13000 2.5 -0.50 2.0
ATLAS_2022_I2037744 13000 1.2 +0.70 1.9
ATLAS_2022_I2077575 13000 2.6* +0.20 2.8*
CMS_2018_I1703993 13000 19 -2.0 17
CMS_2021_I1901295 13000 5.5 -0.40 5.1
topej.dphi
 ATLAS_2022_I2037744 13000 2.4 +0.10 2.5
topej.m
 ATLAS_2022_I2037744 13000 0.94 +0.86 1.8
χ(ttbar)
 ATLAS_2019_I1750330 13000 4.0 +0.100 4.1
ATLAS_2020_I1801434 13000 3.8 -0.60 3.2
ATLAS_2022_I2077575 13000 2.8 +3.4 6.2*
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 4.3 -0.80 3.5
ATLAS_2020_I1801434 13000 3.0 +0.20 3.2
ATLAS_2022_I2037744 13000 1.0 -0.17 0.83
ATLAS_2022_I2077575 13000 3.9 -0.70 3.2
CMS_2018_I1703993 13000 37 -7.0 30
CMS_2021_I1901295 13000 11 -3.4 7.6
Δy (ttbar)
 CMS_2016_I1430892 8000 0.51 -0.13 0.38
CMS_2018_I1703993 13000 19 0 19
CMS_2021_I1901295 13000 5.2 +0.70 5.9
ttbar HT
 ATLAS_2019_I1750330 13000 3.0 -0.60 2.4
ATLAS_2020_I1801434 13000 2.1 -0.60 1.5
ATLAS_2022_I2037744 13000 n/a - 0.16
ATLAS_2022_I2077575 13000 4.8* +0.30 5.1*
CMS_2021_I1901295 13000 5.9 -1.5 4.4
m(ttbar)
 ATLAS_2019_I1750330 13000 2.6* -0.10 2.5*
ATLAS_2020_I1801434 13000 2.1 -0.30 1.8
ATLAS_2022_I2037744 13000 0.49 +0.090 0.58
ATLAS_2022_I2077575 13000 2.3* +0.10 2.4*
CMS_2018_I1703993 13000 24 0 24
CMS_2021_I1901295 13000 9.6 +0.30 9.9*
Pcrossttbar
 ATLAS_2020_I1801434 13000 2.6 +1.0 3.6
ttbar pT
 ATLAS_2019_I1750330 13000 3.5 -0.40 3.1*
ATLAS_2020_I1801434 13000 2.6* -0.30 2.3
ATLAS_2022_I2037744 13000 0.88 -0.55 0.33
ATLAS_2022_I2077575 13000 2.5* +0.40 2.9*
CMS_2018_I1703993 13000 22 -1.0 21
CMS_2021_I1901295 13000 8.4 +1.4 9.8
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 2.6 +2.8 5.4
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 2.6 +2.3 4.9*
CMS_2021_I1901295 13000 8.7 -0.60 8.1
Ttbar rapidity
 ATLAS_2019_I1750330 13000 3.3 -0.100 3.2
ATLAS_2020_I1801434 13000 1.9 0 1.9*
ATLAS_2022_I2037744 13000 0.89 -0.54 0.35
ATLAS_2022_I2077575 13000 2.8 0 2.8
CMS_2018_I1703993 13000 17 0 17
CMS_2021_I1901295 13000 6.9 -0.20 6.7
Mean rapidity
 ATLAS_2019_I1750330 13000 3.7 -0.20 3.5
ATLAS_2020_I1801434 13000 1.6 +0.70 2.3
ATLAS_2022_I2077575 13000 2.8 -0.100 2.7
ttbarej.ht
 ATLAS_2022_I2037744 13000 1.0 -0.36 0.64
ttbarej.m
 CMS_2021_I1901295 13000 4.5 -0.50 4.0
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 2.1 0 2.1
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 2.1 -0.10 2.0
Cross sections
 ATLAS_2022_I2037744 13000 0.80 -0.49 0.31
ATLAS_2022_I2077575 13000 19 0 19
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.