Generator

Details for Pythia 6.423 a vs. d6t

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5% (a) Δ χ2+5% (d6t)
Asymmetry
AC vs Mttbar
CMS_2016_I1430892 8000 n/a - n/a
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 n/a - n/a
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 n/a - n/a
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 n/a - n/a
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 n/a - n/a
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 n/a - n/a
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.93 -0.76 0.17
B jet
η
CMS_2018_I1703993 13000 130 +30 160
B jet
pT
CMS_2018_I1703993 13000 160 +40 200
bjbj.m
CMS_2018_I1703993 13000 190 +60 250
bjbj.pt
CMS_2018_I1703993 13000 170 +40 210
bjt.dphi
ATLAS_2022_I2037744 13000 2.0 -0.70 1.3
ej.pt
ATLAS_2022_I2037744 13000 3.2 -0.70 2.5
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 7.5 -1.5 6.0
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 7.0 -0.100 6.9
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 7.4 -0.60 6.8
ΔR(extra jets)
ATLAS_2020_I1801434 13000 6.2 -0.90 5.3
ejej.dphi
ATLAS_2022_I2037744 13000 1.3 -0.40 0.90
ejets.ht
CMS_2021_I1901295 13000 31 -9.0 22
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 5.7 +1.5 7.2
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 6.5 -0.90 5.6
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.11 -0.050 0.060
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.059 -0.0050 0.054
Jet mass
Jet mass
CMS_2017_I1518399 8000 n/a - n/a
CMS_2019_I1764472 13000 2.3 +1.2 3.5
Jet pT
ATLAS_2014_I1304688 7000 29 -3.0 26
ATLAS_2019_I1718132 13000 n/a - n/a
Dijet
Δη
ATLAS_2019_I1718132 13000 n/a - n/a
Dijet
Δφ
ATLAS_2019_I1718132 13000 n/a - n/a
Dijet
HT
ATLAS_2019_I1718132 13000 n/a - n/a
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 n/a - n/a
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.2 +0.10 1.3
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.21 +0.060 0.27
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 1.2 +0.20 1.4
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 0.85 -0.030 0.82
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.2 +0.40 1.6
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 1.6 +0.60 2.2
Lepton η
ATLAS_2019_I1759875 13000 37 +1.0 38
CMS_2018_I1703993 13000 78 +18 96
Lepton pT
ATLAS_2019_I1759875 13000 52 -2.0 50
CMS_2018_I1703993 13000 160 +40 200
CMS_2021_I1901295 13000 19 -4.0 15
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 6.3 +1.1 7.4
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.47 +0.15 0.62
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 6.6 +0.60 7.2
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 n/a - n/a
Dilepton
E
ATLAS_2019_I1759875 13000 42 -1.0 41
Dilepton
Δη
CMS_2016_I1430892 8000 n/a - n/a
CMS_2018_I1703993 13000 110 +20 130
Dilepton
Δφ
ATLAS_2019_I1718132 13000 n/a - n/a
ATLAS_2019_I1759875 13000 31* -4.0 27
CMS_2018_I1703993 13000 120 +30 150
Dilepton
HT
ATLAS_2019_I1759875 13000 43 -2.0 41
Dilepton
m
ATLAS_2019_I1759875 13000 38 +1.0 39
CMS_2018_I1703993 13000 140 +20 160
Dilepton
pT
ATLAS_2019_I1718132 13000 n/a - n/a
ATLAS_2019_I1759875 13000 46 -3.0 43
CMS_2018_I1703993 13000 130 +30 160
Dilepton
y
ATLAS_2019_I1759875 13000 29 +5.0 34*
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a - n/a
nch
ATLAS_2022_I2152933 13000 8.2 -6.0 2.2
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 45 -13 32
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 9.3 -0.40 8.9
CMS_2018_I1703993 13000 140 +20 160
sumpt
ATLAS_2022_I2152933 13000 14 -7.7 6.3
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
ATLAS_2019_I1750330 13000 9.3 -2.0 7.3
ATLAS_2020_I1801434 13000 7.2* -1.3 5.9*
ATLAS_2022_I2077575 13000 2.2 -0.60 1.6
Top pT
ATLAS_2019_I1750330 13000 7.6 -1.2 6.4*
ATLAS_2020_I1801434 13000 6.0 +0.30 6.3*
ATLAS_2022_I2037744 13000 2.2 -0.90 1.3
ATLAS_2022_I2077575 13000 1.5* -0.10 1.4*
CMS_2018_I1703993 13000 160 +20 180
CMS_2021_I1901295 13000 36 -8.0 28
top.pt.ttbarRF
CMS_2018_I1703993 13000 160 +20 180
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 7.8 +1.1 8.9
Top rapidity
ATLAS_2019_I1750330 13000 8.9 -1.4 7.5
ATLAS_2020_I1801434 13000 7.4 +0.60 8.0
ATLAS_2022_I2037744 13000 1.8* -0.20 1.6
ATLAS_2022_I2077575 13000 1.7* +0.30 2.0*
CMS_2018_I1703993 13000 140 +10 150
CMS_2021_I1901295 13000 33 -4.0 29*
topej.dphi
ATLAS_2022_I2037744 13000 2.9 0 2.9
topej.m
ATLAS_2022_I2037744 13000 2.2 -1.1 1.1
χ(ttbar)
ATLAS_2019_I1750330 13000 10 -1.8 8.2
ATLAS_2020_I1801434 13000 8.4 -1.0 7.4
ATLAS_2022_I2077575 13000 2.7* -0.70 2.0*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 9.0 -2.0 7.0
ATLAS_2020_I1801434 13000 7.4 -0.50 6.9
ATLAS_2022_I2037744 13000 2.2 +0.80 3.0
ATLAS_2022_I2077575 13000 2.2 +0.20 2.4
CMS_2018_I1703993 13000 270 0 270
CMS_2021_I1901295 13000 49 -11 38
Δy (ttbar)
CMS_2016_I1430892 8000 n/a - n/a
CMS_2018_I1703993 13000 160 0 160
CMS_2021_I1901295 13000 36 -6.0 30
ttbar HT
ATLAS_2019_I1750330 13000 7.3 -1.2 6.1
ATLAS_2020_I1801434 13000 6.6 +0.90 7.5
ATLAS_2022_I2037744 13000 2.8 -1.7 1.1
ATLAS_2022_I2077575 13000 1.6 +0.50 2.1*
CMS_2021_I1901295 13000 31 -6.0 25
m(ttbar)
ATLAS_2019_I1750330 13000 6.8* -1.4 5.4
ATLAS_2020_I1801434 13000 7.0 +0.80 7.8
ATLAS_2022_I2037744 13000 2.0 -0.70 1.3
ATLAS_2022_I2077575 13000 1.4* +0.20 1.6*
CMS_2018_I1703993 13000 160 +20 180
CMS_2021_I1901295 13000 48 -9.0 39
Pcrossttbar
ATLAS_2020_I1801434 13000 7.1 -0.20 6.9
ttbar pT
ATLAS_2019_I1750330 13000 8.8 -1.6 7.2
ATLAS_2020_I1801434 13000 6.3* +0.40 6.7*
ATLAS_2022_I2037744 13000 2.9 -0.40 2.5
ATLAS_2022_I2077575 13000 1.9* -0.20 1.7*
CMS_2018_I1703993 13000 190 0 190
CMS_2021_I1901295 13000 30 -7.0 23
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 6.6 +1.1 7.7
ttbar.thetaStar
ATLAS_2022_I2077575 13000 3.3* -0.60 2.7
CMS_2021_I1901295 13000 48 -7.0 41
Ttbar rapidity
ATLAS_2019_I1750330 13000 8.5 -1.6 6.9
ATLAS_2020_I1801434 13000 4.9 +0.100 5.0
ATLAS_2022_I2037744 13000 1.2 +0.60 1.8
ATLAS_2022_I2077575 13000 1.8 +1.7 3.5
CMS_2018_I1703993 13000 130 +10 140
CMS_2021_I1901295 13000 43 -7.0 36
Mean rapidity
ATLAS_2019_I1750330 13000 12 -2.0 10
ATLAS_2020_I1801434 13000 5.8 +0.40 6.2
ATLAS_2022_I2077575 13000 1.7 +0.40 2.1
ttbarej.ht
ATLAS_2022_I2037744 13000 4.4 -1.6 2.8
ttbarej.m
CMS_2021_I1901295 13000 36 -7.0 29
pT ratio
W to b
ATLAS_2020_I1801434 13000 6.8 +1.4 8.2
pT ratio
W to top
ATLAS_2020_I1801434 13000 6.8 +0.50 7.3
Cross sections
ATLAS_2022_I2037744 13000 6.8 -2.2 4.6
ATLAS_2022_I2077575 13000 6.4 -0.30 6.1
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.