Generator

Details for Pythia 6.425 350 vs. 357

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5% (350) Δ χ2+5% (357)
Asymmetry
 AC vs Mttbar
 CMS_2016_I1430892 8000 2.0 - n/a
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 5.3 - n/a
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 0.56 - n/a
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 2.8 - n/a
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 2.2 - n/a
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 0.92 - n/a
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 0.19 - n/a
B jet
 η
 CMS_2018_I1703993 13000 46 +6.0 52
B jet
 pT
 CMS_2018_I1703993 13000 56 +4.0 60
bjbj.m
 CMS_2018_I1703993 13000 71 +2.0 73
bjbj.pt
 CMS_2018_I1703993 13000 59 +5.0 64
bjt.dphi
 ATLAS_2022_I2037744 13000 3.1 -1.3 1.8
ej.pt
 ATLAS_2022_I2037744 13000 2.8* 0 2.8*
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 2.9 +0.50 3.4
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 3.5 +1.2 4.7
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 3.4 +1.6 5.0
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 3.1 -0.20 2.9
ejej.dphi
 ATLAS_2022_I2037744 13000 1.8 +0.80 2.6
ejets.ht
 CMS_2021_I1901295 13000 19 -4.0 15
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 3.4 +1.3 4.7
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 2.9 +0.60 3.5
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.33 +0.11 0.44
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.16 +0.12 0.28
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 1.8 - n/a
CMS_2019_I1764472 13000 1.2 -0.29 0.91
Jet pT
 ATLAS_2014_I1304688 7000 16 0 16
ATLAS_2019_I1718132 13000 8.9* - n/a
Dijet
 Δη
 ATLAS_2019_I1718132 13000 11 - n/a
Dijet
 Δφ
 ATLAS_2019_I1718132 13000 13 - n/a
Dijet
 HT
 ATLAS_2019_I1718132 13000 7.5 - n/a
Jet mass
 Dijet mass
 ATLAS_2019_I1718132 13000 15 - n/a
Jet Shapes
 Differential Jet Shape
 ATLAS_2013_I1243871 7000 2.4 +0.20 2.6
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.44 +0.010 0.45
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 1.3 +0.30 1.6
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 0.88 +0.010 0.89
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 1.5 +0.10 1.6
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 2.5 0 2.5
Lepton η
 ATLAS_2019_I1759875 13000 40 -4.0 36
CMS_2018_I1703993 13000 29 +3.0 32
Lepton pT
 ATLAS_2019_I1759875 13000 53 -3.0 50
CMS_2018_I1703993 13000 53 +5.0 58
CMS_2021_I1901295 13000 14 -1.0 13
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 6.3 -1.9 4.4
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 1.1 -0.23 0.87
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 7.5 -1.8 5.7
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 18* - n/a
Dilepton
 E
 ATLAS_2019_I1759875 13000 44 -2.0 42
Dilepton
 Δη
 CMS_2016_I1430892 8000 0.55 - n/a
CMS_2018_I1703993 13000 39 +7.0 46
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 11 - n/a
ATLAS_2019_I1759875 13000 27 +2.0 29*
CMS_2018_I1703993 13000 47 +6.0 53
Dilepton
 HT
 ATLAS_2019_I1759875 13000 43 -3.0 40
Dilepton
 m
 ATLAS_2019_I1759875 13000 41 -4.0 37
CMS_2018_I1703993 13000 48 +6.0 54
Dilepton
 pT
 ATLAS_2019_I1718132 13000 9.9 - n/a
ATLAS_2019_I1759875 13000 42 -3.0 39
CMS_2018_I1703993 13000 45 +4.0 49
Dilepton
 y
 ATLAS_2019_I1759875 13000 31 +3.0 34*
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a - n/a
nch
 ATLAS_2022_I2152933 13000 2.5 +2.3 4.8
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 21 -1.0 20
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 10.0 -1.1 8.9
CMS_2018_I1703993 13000 42 +11 53
sumpt
 ATLAS_2022_I2152933 13000 2.0 +3.1 5.1
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
 ATLAS_2019_I1750330 13000 7.9 -0.40 7.5
ATLAS_2020_I1801434 13000 6.6* -0.50 6.1
ATLAS_2022_I2077575 13000 2.3* -0.40 1.9
Top pT
 ATLAS_2019_I1750330 13000 7.1 -1.3 5.8
ATLAS_2020_I1801434 13000 5.8* -0.70 5.1*
ATLAS_2022_I2037744 13000 2.9 -1.1 1.8
ATLAS_2022_I2077575 13000 1.9* -0.50 1.4*
CMS_2018_I1703993 13000 71 +9.0 80
CMS_2021_I1901295 13000 23* -1.0 22*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 68 +11 79
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 6.0 +0.80 6.8
Top rapidity
 ATLAS_2019_I1750330 13000 7.8 -0.100 7.7
ATLAS_2020_I1801434 13000 6.7 -0.10 6.6
ATLAS_2022_I2037744 13000 2.4 -0.60 1.8
ATLAS_2022_I2077575 13000 1.7* +0.20 1.9*
CMS_2018_I1703993 13000 65 +7.0 72
CMS_2021_I1901295 13000 23 0 23
topej.dphi
 ATLAS_2022_I2037744 13000 2.6 +0.50 3.1
topej.m
 ATLAS_2022_I2037744 13000 2.7 -1.6 1.1
χ(ttbar)
 ATLAS_2019_I1750330 13000 9.2 -1.2 8.0
ATLAS_2020_I1801434 13000 5.7 +0.20 5.9
ATLAS_2022_I2077575 13000 1.8 0 1.8
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 7.8 -0.60 7.2
ATLAS_2020_I1801434 13000 9.2* -2.2 7.0
ATLAS_2022_I2037744 13000 4.4 -0.90 3.5
ATLAS_2022_I2077575 13000 2.9* -1.0 1.9
CMS_2018_I1703993 13000 100 +10 110
CMS_2021_I1901295 13000 33 -2.0 31
Δy (ttbar)
 CMS_2016_I1430892 8000 0.88 - n/a
CMS_2018_I1703993 13000 71 +11 82
CMS_2021_I1901295 13000 24 -1.0 23
ttbar HT
 ATLAS_2019_I1750330 13000 6.5 -0.30 6.2
ATLAS_2020_I1801434 13000 4.6 +0.50 5.1
ATLAS_2022_I2037744 13000 2.3 -0.40 1.9
ATLAS_2022_I2077575 13000 2.2* -0.20 2.0
CMS_2021_I1901295 13000 23 -1.0 22
m(ttbar)
 ATLAS_2019_I1750330 13000 6.2 -0.60 5.6*
ATLAS_2020_I1801434 13000 6.2 -0.10 6.1
ATLAS_2022_I2037744 13000 n/a - n/a
ATLAS_2022_I2077575 13000 1.7* -0.20 1.5*
CMS_2018_I1703993 13000 79 +7.0 86
CMS_2021_I1901295 13000 30 -2.0 28
Pcrossttbar
 ATLAS_2020_I1801434 13000 7.4 -1.5 5.9
ttbar pT
 ATLAS_2019_I1750330 13000 7.5 -0.50 7.0
ATLAS_2020_I1801434 13000 6.2* -0.90 5.3
ATLAS_2022_I2037744 13000 3.4 -2.5 0.90
ATLAS_2022_I2077575 13000 1.8* -0.40 1.4
CMS_2018_I1703993 13000 66 +8.0 74
CMS_2021_I1901295 13000 20 -1.0 19
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 5.8 +3.4 9.2
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 2.8 -1.4 1.4
CMS_2021_I1901295 13000 32 -2.0 30
Ttbar rapidity
 ATLAS_2019_I1750330 13000 7.4 -0.30 7.1
ATLAS_2020_I1801434 13000 4.4 -0.30 4.1
ATLAS_2022_I2037744 13000 1.8 -0.50 1.3
ATLAS_2022_I2077575 13000 2.7 +0.20 2.9*
CMS_2018_I1703993 13000 60 +6.0 66
CMS_2021_I1901295 13000 29 -2.0 27
Mean rapidity
 ATLAS_2019_I1750330 13000 10 0 10
ATLAS_2020_I1801434 13000 5.1 +0.30 5.4
ATLAS_2022_I2077575 13000 1.7 +1.3 3.0*
ttbarej.ht
 ATLAS_2022_I2037744 13000 5.8 -4.4 1.4
ttbarej.m
 CMS_2021_I1901295 13000 23 -2.0 21
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 5.6 +1.1 6.7
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 6.0 -0.20 5.8
Cross sections
 ATLAS_2022_I2037744 13000 14 -7.5 6.5
ATLAS_2022_I2077575 13000 8.2 -0.70 7.5
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.