Generator

Details for Pythia 6.426 350 vs. 357

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5% (350) Δ χ2+5% (357)
Asymmetry
 AC vs Mttbar
 CMS_2016_I1430892 8000 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 1.4 - n/a
B jet
 η
 CMS_2018_I1703993 13000 47 -3.0 44
B jet
 pT
 CMS_2018_I1703993 13000 56 -2.0 54
bjbj.m
 CMS_2018_I1703993 13000 65 -2.0 63
bjbj.pt
 CMS_2018_I1703993 13000 58 0 58
bjt.dphi
 ATLAS_2022_I2037744 13000 1.1 - n/a
ej.pt
 ATLAS_2022_I2037744 13000 2.8* -0.30 2.5*
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 2.1 +1.5 3.6
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 2.8 +1.2 4.0
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 3.3 +0.70 4.0
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 3.1* +0.50 3.6
ejej.dphi
 ATLAS_2022_I2037744 13000 0.47 +1.4 1.9
ejets.ht
 CMS_2021_I1901295 13000 14 0 14
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 3.3 +0.90 4.2
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 2.6 +1.3 3.9
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.15 +0.30 0.45
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.049 +0.25 0.30
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 n/a - n/a
CMS_2019_I1764472 13000 0.57 +0.63 1.2
Jet pT
 ATLAS_2014_I1304688 7000 16 0 16
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 2.6 -0.10 2.5
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.42 +0.040 0.46
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 1.8 -0.20 1.6
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 0.95 -0.030 0.92
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 1.9 -0.30 1.6
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 3.1 -0.80 2.3
Lepton η
 ATLAS_2019_I1759875 13000 36 -2.0 34
CMS_2018_I1703993 13000 28 0 28
Lepton pT
 ATLAS_2019_I1759875 13000 48 -1.0 47
CMS_2018_I1703993 13000 53 -3.0 50
CMS_2021_I1901295 13000 12 +2.0 14
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 6.1 -1.3 4.8
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 1.1 -0.13 0.97
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 7.7 -1.4 6.3
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 n/a - n/a
Dilepton
 E
 ATLAS_2019_I1759875 13000 42 -3.0 39
Dilepton
 Δη
 CMS_2016_I1430892 8000 n/a - n/a
CMS_2018_I1703993 13000 41 -4.0 37
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 n/a - n/a
ATLAS_2019_I1759875 13000 24 -1.0 23
CMS_2018_I1703993 13000 48 -4.0 44
Dilepton
 HT
 ATLAS_2019_I1759875 13000 39 -1.0 38
Dilepton
 m
 ATLAS_2019_I1759875 13000 38 -1.0 37
CMS_2018_I1703993 13000 49 -4.0 45
Dilepton
 pT
 ATLAS_2019_I1718132 13000 n/a - n/a
ATLAS_2019_I1759875 13000 39 -1.0 38
CMS_2018_I1703993 13000 46 -2.0 44
Dilepton
 y
 ATLAS_2019_I1759875 13000 29 +1.0 30*
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a - n/a
nch
 ATLAS_2022_I2152933 13000 0.44 +4.9 5.3
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 19 +2.0 21
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 7.3 -1.2 6.1
CMS_2018_I1703993 13000 43 -3.0 40
sumpt
 ATLAS_2022_I2152933 13000 1.3 +3.2 4.5
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
 ATLAS_2019_I1750330 13000 7.6 0 7.6
ATLAS_2020_I1801434 13000 5.2 -0.70 4.5
ATLAS_2022_I2077575 13000 2.6* -0.70 1.9*
Top pT
 ATLAS_2019_I1750330 13000 5.7 +0.80 6.5*
ATLAS_2020_I1801434 13000 4.3 +0.30 4.6
ATLAS_2022_I2037744 13000 2.1 -0.20 1.9
ATLAS_2022_I2077575 13000 1.7* -0.40 1.3*
CMS_2018_I1703993 13000 75 -5.0 70
CMS_2021_I1901295 13000 20* +3.0 23*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 73 -5.0 68
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 5.3 -0.20 5.1
Top rapidity
 ATLAS_2019_I1750330 13000 7.3 +0.70 8.0
ATLAS_2020_I1801434 13000 5.2 +0.60 5.8
ATLAS_2022_I2037744 13000 1.9 0 1.9
ATLAS_2022_I2077575 13000 2.0* -0.50 1.5*
CMS_2018_I1703993 13000 69 -4.0 65
CMS_2021_I1901295 13000 22 +1.0 23
topej.dphi
 ATLAS_2022_I2037744 13000 2.5 0 2.5
topej.m
 ATLAS_2022_I2037744 13000 1.6 +0.60 2.2
χ(ttbar)
 ATLAS_2019_I1750330 13000 8.2 +0.40 8.6
ATLAS_2020_I1801434 13000 5.1 +0.80 5.9
ATLAS_2022_I2077575 13000 3.1* -1.3 1.8*
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 7.4 -0.40 7.0
ATLAS_2020_I1801434 13000 6.5 -1.6 4.9
ATLAS_2022_I2037744 13000 2.6 +0.90 3.5
ATLAS_2022_I2077575 13000 2.9 -1.2 1.7
CMS_2018_I1703993 13000 100 -3.0 97
CMS_2021_I1901295 13000 31 0 31
Δy (ttbar)
 CMS_2016_I1430892 8000 n/a - n/a
CMS_2018_I1703993 13000 76 -5.0 71
CMS_2021_I1901295 13000 21 +3.0 24
ttbar HT
 ATLAS_2019_I1750330 13000 5.9 +0.60 6.5
ATLAS_2020_I1801434 13000 4.4 +0.20 4.6
ATLAS_2022_I2037744 13000 3.9 - n/a
ATLAS_2022_I2077575 13000 2.9* -0.90 2.0*
CMS_2021_I1901295 13000 21 - n/a
m(ttbar)
 ATLAS_2019_I1750330 13000 5.1* +0.70 5.8*
ATLAS_2020_I1801434 13000 4.8 +0.40 5.2
ATLAS_2022_I2037744 13000 n/a - n/a
ATLAS_2022_I2077575 13000 1.6* -0.20 1.4*
CMS_2018_I1703993 13000 84 -9.0 75
CMS_2021_I1901295 13000 26* +4.0 30*
Pcrossttbar
 ATLAS_2020_I1801434 13000 4.9 -0.20 4.7
ttbar pT
 ATLAS_2019_I1750330 13000 6.9 +0.100 7.0
ATLAS_2020_I1801434 13000 5.0 -0.50 4.5
ATLAS_2022_I2037744 13000 1.2 +0.10 1.3
ATLAS_2022_I2077575 13000 1.9* -0.60 1.3*
CMS_2018_I1703993 13000 63 -1.0 62
CMS_2021_I1901295 13000 19 +1.0 20
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 5.3 +0.40 5.7
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 2.4 0 2.4*
CMS_2021_I1901295 13000 28 +4.0 32
Ttbar rapidity
 ATLAS_2019_I1750330 13000 6.8 +0.50 7.3
ATLAS_2020_I1801434 13000 4.0 -0.60 3.4
ATLAS_2022_I2037744 13000 1.5 0 1.5
ATLAS_2022_I2077575 13000 2.7* -1.2 1.5
CMS_2018_I1703993 13000 62 -2.0 60
CMS_2021_I1901295 13000 25 +3.0 28
Mean rapidity
 ATLAS_2019_I1750330 13000 9.9 +0.100 10
ATLAS_2020_I1801434 13000 3.7 +0.40 4.1
ATLAS_2022_I2077575 13000 2.9* -1.5 1.4
ttbarej.ht
 ATLAS_2022_I2037744 13000 3.0 -1.3 1.7
ttbarej.m
 CMS_2021_I1901295 13000 19 +2.0 21
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 4.6 +0.50 5.1
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 4.6 +0.20 4.8
Cross sections
 ATLAS_2022_I2037744 13000 7.7 -0.50 7.2
ATLAS_2022_I2077575 13000 9.9 -3.9 6.0
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.