Generator / tune

Details for Pythia 8.313 CP5-CR1 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 - 2.0
Asymmetry
 AC vs pTttbar
 CMS_2016_I1430892 8000 - 39
Asymmetry
 AC vs yttbar
 CMS_2016_I1430892 8000 - 12
Asymmetry
 ACl vs Mttbar
 CMS_2016_I1430892 8000 - 7.9
Asymmetry
 ACl vs pTttbar
 CMS_2016_I1430892 8000 - 7.1
Asymmetry
 ACl vs yttbar
 CMS_2016_I1430892 8000 - 11
Asymmetry
 Energy asymmetry
 ATLAS_2021_I1941095 13000 - 0.60
B jet
 η
 CMS_2018_I1703993 13000 - 36
B jet
 pT
 CMS_2018_I1703993 13000 - 38
bjbj.m
 CMS_2018_I1703993 13000 - 49
bjbj.pt
 CMS_2018_I1703993 13000 - 42
bjt.dphi
 ATLAS_2022_I2037744 13000 - 3.5
ej.pt
 ATLAS_2022_I2037744 13000 - 3.1*
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 - 4.9
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 - 5.0
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 - 5.1
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 - 3.1*
ejej.dphi
 ATLAS_2022_I2037744 13000 - 3.0
ejets.ht
 CMS_2021_I1901295 13000 - 31
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 - 4.2
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 - 4.5
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 - 0.012
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 - 0.017
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 - 18
CMS_2019_I1764472 13000 - 1.0
Jet pT
 ATLAS_2014_I1304688 7000 - 15
ATLAS_2019_I1718132 13000 - 45*
Dijet
 Δη
 ATLAS_2019_I1718132 13000 - 61
Dijet
 Δφ
 ATLAS_2019_I1718132 13000 - 65
Dijet
 HT
 ATLAS_2019_I1718132 13000 - 46
Jet mass
 Dijet mass
 ATLAS_2019_I1718132 13000 - 72
Jet Shapes
 Differential Jet Shape
 ATLAS_2013_I1243871 7000 - 1.6
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 - 0.21
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 - 1.3
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 - 0.36
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 - 1.2
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 - 2.0
Lepton η
 ATLAS_2019_I1759875 13000 - 30
CMS_2018_I1703993 13000 - 23
Lepton pT
 ATLAS_2019_I1759875 13000 - 40
CMS_2018_I1703993 13000 - 38
CMS_2021_I1901295 13000 - 11
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 - 2.2
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 - 0.48
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 - 2.4
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 - 65
Dilepton
 E
 ATLAS_2019_I1759875 13000 - 31
Dilepton
 Δη
 CMS_2016_I1430892 8000 - 1.0
CMS_2018_I1703993 13000 - 30
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 - 73
ATLAS_2019_I1759875 13000 - 21
CMS_2018_I1703993 13000 - 38
Dilepton
 HT
 ATLAS_2019_I1759875 13000 - 31
Dilepton
 m
 ATLAS_2019_I1759875 13000 - 31
CMS_2018_I1703993 13000 - 37
Dilepton
 pT
 ATLAS_2019_I1718132 13000 - 57
ATLAS_2019_I1759875 13000 - 33
CMS_2018_I1703993 13000 - 35
Dilepton
 y
 ATLAS_2019_I1759875 13000 - 27*
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 - n/a
nch
 ATLAS_2022_I2152933 13000 - 4.8
Jet Multiplicities
 Extra jets multiplicity
 ATLAS_2019_I1750330 13000 - n/a
ATLAS_2022_I2037744 13000 - n/a
CMS_2021_I1901295 13000 - 35
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 - n/a
ATLAS_2020_I1801434 13000 - 6.9
CMS_2018_I1703993 13000 - 32
sumpt
 ATLAS_2022_I2152933 13000 - 8.2
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 - n/a
Pouttop
 ATLAS_2019_I1750330 13000 - 7.4
ATLAS_2020_I1801434 13000 - 4.5
ATLAS_2022_I2077575 13000 - 3.2*
Top pT
 ATLAS_2019_I1750330 13000 - 6.6*
ATLAS_2020_I1801434 13000 - 4.0
ATLAS_2022_I2037744 13000 - 2.9
ATLAS_2022_I2077575 13000 - 1.8*
CMS_2018_I1703993 13000 - 59
CMS_2021_I1901295 13000 - 23*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 - 58
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 - 6.8
Top rapidity
 ATLAS_2019_I1750330 13000 - 7.8
ATLAS_2020_I1801434 13000 - 5.3
ATLAS_2022_I2037744 13000 - 1.8
ATLAS_2022_I2077575 13000 - 1.9*
CMS_2018_I1703993 13000 - 57
CMS_2021_I1901295 13000 - 19
topej.dphi
 ATLAS_2022_I2037744 13000 - 3.8
topej.m
 ATLAS_2022_I2037744 13000 - 1.5
χ(ttbar)
 ATLAS_2019_I1750330 13000 - 8.1
ATLAS_2020_I1801434 13000 - 5.5
ATLAS_2022_I2077575 13000 - 3.2*
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 - 10.0
ATLAS_2020_I1801434 13000 - 4.7
ATLAS_2022_I2037744 13000 - n/a
ATLAS_2022_I2077575 13000 - 2.8
CMS_2018_I1703993 13000 - 91
CMS_2021_I1901295 13000 - 38
Δy (ttbar)
 CMS_2016_I1430892 8000 - 0.90
CMS_2018_I1703993 13000 - 59
CMS_2021_I1901295 13000 - 19
ttbar HT
 ATLAS_2019_I1750330 13000 - 6.2
ATLAS_2020_I1801434 13000 - 4.5
ATLAS_2022_I2037744 13000 - 2.2
ATLAS_2022_I2077575 13000 - 2.9*
CMS_2021_I1901295 13000 - 18
m(ttbar)
 ATLAS_2019_I1750330 13000 - 5.4
ATLAS_2020_I1801434 13000 - 7.1
ATLAS_2022_I2037744 13000 - 1.6
ATLAS_2022_I2077575 13000 - 2.4*
CMS_2018_I1703993 13000 - 59
CMS_2021_I1901295 13000 - 27*
Pcrossttbar
 ATLAS_2020_I1801434 13000 - 5.1
ttbar pT
 ATLAS_2019_I1750330 13000 - 9.2*
ATLAS_2020_I1801434 13000 - 5.1*
ATLAS_2022_I2037744 13000 - 7.4
ATLAS_2022_I2077575 13000 - 2.0*
CMS_2018_I1703993 13000 - 55
CMS_2021_I1901295 13000 - 26*
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 - 4.6
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 - 2.1
CMS_2021_I1901295 13000 - 24
Ttbar rapidity
 ATLAS_2019_I1750330 13000 - 7.2
ATLAS_2020_I1801434 13000 - 3.6
ATLAS_2022_I2037744 13000 - 1.7
ATLAS_2022_I2077575 13000 - 3.3*
CMS_2018_I1703993 13000 - 52
CMS_2021_I1901295 13000 - 22
Mean rapidity
 ATLAS_2019_I1750330 13000 - 9.0
ATLAS_2020_I1801434 13000 - 4.3
ATLAS_2022_I2077575 13000 - 2.0
ttbarej.ht
 ATLAS_2022_I2037744 13000 - 1.5
ttbarej.m
 CMS_2021_I1901295 13000 - 26
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 - 5.7
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 - 5.6
Cross sections
 ATLAS_2022_I2037744 13000 - 8.0
ATLAS_2022_I2077575 13000 - 11
CMS_2019_I1753720 13000 - 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 1112 histograms.