Generator / tune

Details for Pythia 8.313 vincia-default 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 - 3.0
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 - 130
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 - 10
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 - 49
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 - 22
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 - 41
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 - 1.1
B jet
 η
 CMS_2018_I1703993 13000 - 63
B jet
 pT
 CMS_2018_I1703993 13000 - 74
bjbj.m
 CMS_2018_I1703993 13000 - 90
bjbj.pt
 CMS_2018_I1703993 13000 - 81
bjt.dphi
 ATLAS_2022_I2037744 13000 - n/a
ej.pt
 ATLAS_2022_I2037744 13000 - n/a
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 - 9.4
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 - 9.0
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 - 10
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 - 6.4
ejej.dphi
 ATLAS_2022_I2037744 13000 - 4.9
ejets.ht
 CMS_2021_I1901295 13000 - n/a
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 - 7.0
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 - 8.0*
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 - 0.34
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 - 0.31
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 - 90
CMS_2019_I1764472 13000 - 1.3
Jet pT
 ATLAS_2014_I1304688 7000 - 23
ATLAS_2019_I1718132 13000 - 680
Dijet
 Δη
 ATLAS_2019_I1718132 13000 - 330
Dijet
 Δφ
 ATLAS_2019_I1718132 13000 - 340
Dijet
 HT
 ATLAS_2019_I1718132 13000 - n/a
Jet mass
 Dijet mass
 ATLAS_2019_I1718132 13000 - 630
Jet Shapes
 Differential Jet Shape
 ATLAS_2013_I1243871 7000 - 1.4
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 - 0.29
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 - 1.2
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 - 0.75
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 - 0.95
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 - 1.7
Lepton η
 ATLAS_2019_I1759875 13000 - 35
CMS_2018_I1703993 13000 - 37
Lepton pT
 ATLAS_2019_I1759875 13000 - 47
CMS_2018_I1703993 13000 - 73
CMS_2021_I1901295 13000 - 20
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 - 2.9
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 - 0.48
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 - 3.3
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 - 570
Dilepton
 E
 ATLAS_2019_I1759875 13000 - 39
Dilepton
 Δη
 CMS_2016_I1430892 8000 - 0.18
CMS_2018_I1703993 13000 - 53
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 - 780
ATLAS_2019_I1759875 13000 - 24
CMS_2018_I1703993 13000 - 62
Dilepton
 HT
 ATLAS_2019_I1759875 13000 - 39
Dilepton
 m
 ATLAS_2019_I1759875 13000 - 37
CMS_2018_I1703993 13000 - 62
Dilepton
 pT
 ATLAS_2019_I1718132 13000 - 390
ATLAS_2019_I1759875 13000 - 43
CMS_2018_I1703993 13000 - 65
Dilepton
 y
 ATLAS_2019_I1759875 13000 - 27
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 - 480
nch
 ATLAS_2022_I2152933 13000 - 2.3
Jet Multiplicities
 Extra jets multiplicity
 ATLAS_2019_I1750330 13000 - 14
ATLAS_2022_I2037744 13000 - 12
CMS_2021_I1901295 13000 - 63
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 - 19
ATLAS_2020_I1801434 13000 - 10
CMS_2018_I1703993 13000 - 73
sumpt
 ATLAS_2022_I2152933 13000 - 3.9
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 - 12
Pouttop
 ATLAS_2019_I1750330 13000 - 19*
ATLAS_2020_I1801434 13000 - 7.2
ATLAS_2022_I2077575 13000 - 2.9*
Top pT
 ATLAS_2019_I1750330 13000 - 14*
ATLAS_2020_I1801434 13000 - 6.4
ATLAS_2022_I2037744 13000 - 12*
ATLAS_2022_I2077575 13000 - 1.6*
CMS_2018_I1703993 13000 - 35
CMS_2021_I1901295 13000 - 48*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 - 36
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 - 10
Top rapidity
 ATLAS_2019_I1750330 13000 - 13
ATLAS_2020_I1801434 13000 - 7.8
ATLAS_2022_I2037744 13000 - 4.9*
ATLAS_2022_I2077575 13000 - 1.7*
CMS_2018_I1703993 13000 - 30
CMS_2021_I1901295 13000 - 30
topej.dphi
 ATLAS_2022_I2037744 13000 - 7.0*
topej.m
 ATLAS_2022_I2037744 13000 - n/a
χ(ttbar)
 ATLAS_2019_I1750330 13000 - 13
ATLAS_2020_I1801434 13000 - 7.1
ATLAS_2022_I2077575 13000 - 2.3*
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 - 18
ATLAS_2020_I1801434 13000 - 10*
ATLAS_2022_I2037744 13000 - n/a
ATLAS_2022_I2077575 13000 - 2.4
CMS_2018_I1703993 13000 - 110
CMS_2021_I1901295 13000 - 67
Δy (ttbar)
 CMS_2016_I1430892 8000 - 0.078
CMS_2018_I1703993 13000 - 31
CMS_2021_I1901295 13000 - 31
ttbar HT
 ATLAS_2019_I1750330 13000 - 11*
ATLAS_2020_I1801434 13000 - 7.1
ATLAS_2022_I2037744 13000 - n/a
ATLAS_2022_I2077575 13000 - 1.4*
CMS_2021_I1901295 13000 - 30
m(ttbar)
 ATLAS_2019_I1750330 13000 - 12*
ATLAS_2020_I1801434 13000 - 7.3
ATLAS_2022_I2037744 13000 - n/a
ATLAS_2022_I2077575 13000 - 1.6*
CMS_2018_I1703993 13000 - 35
CMS_2021_I1901295 13000 - 47
Pcrossttbar
 ATLAS_2020_I1801434 13000 - 7.9
ttbar pT
 ATLAS_2019_I1750330 13000 - 22*
ATLAS_2020_I1801434 13000 - 10.0*
ATLAS_2022_I2037744 13000 - n/a
ATLAS_2022_I2077575 13000 - 1.9*
CMS_2018_I1703993 13000 - 240*
CMS_2021_I1901295 13000 - 67*
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 - 7.0
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 - 1.3*
CMS_2021_I1901295 13000 - 41
Ttbar rapidity
 ATLAS_2019_I1750330 13000 - 12
ATLAS_2020_I1801434 13000 - 5.4
ATLAS_2022_I2037744 13000 - 6.4
ATLAS_2022_I2077575 13000 - 2.4
CMS_2018_I1703993 13000 - 29
CMS_2021_I1901295 13000 - 37
Mean rapidity
 ATLAS_2019_I1750330 13000 - 13
ATLAS_2020_I1801434 13000 - 6.3
ATLAS_2022_I2077575 13000 - 2.0
ttbarej.ht
 ATLAS_2022_I2037744 13000 - 20
ttbarej.m
 CMS_2021_I1901295 13000 - n/a
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 - 8.9
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 - 7.6
Cross sections
 ATLAS_2022_I2037744 13000 - 47
ATLAS_2022_I2077575 13000 - 5.6
CMS_2019_I1753720 13000 - 9.1

* 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 1112 histograms.