Generator / tune

Details for Pythia 8.313 tune-A14-NNPDF2.3LO 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 2.6 +3.6 6.2
Asymmetry
AC vs pTttbar
CMS_2016_I1430892 8000 8.8 +46 55
Asymmetry
AC vs yttbar
CMS_2016_I1430892 8000 3.8 +9.2 13
Asymmetry
ACl vs Mttbar
CMS_2016_I1430892 8000 2.4 +7.6 10
Asymmetry
ACl vs pTttbar
CMS_2016_I1430892 8000 0.61 +2.5 3.1
Asymmetry
ACl vs yttbar
CMS_2016_I1430892 8000 2.9 +7.1 10.0
Asymmetry
Energy asymmetry
ATLAS_2021_I1941095 13000 0.43 +0.55 0.98
B jet
η
CMS_2018_I1703993 13000 9.7 +0.20 9.9
B jet
pT
CMS_2018_I1703993 13000 11 0 11
bjbj.m
CMS_2018_I1703993 13000 12 +2.0 14
bjbj.pt
CMS_2018_I1703993 13000 11 +1.0 12
bjt.dphi
ATLAS_2022_I2037744 13000 0.78 +0.16 0.94
ej.pt
ATLAS_2022_I2037744 13000 1.9* 0 1.9*
pT ratio
Extra jets
ATLAS_2020_I1801434 13000 2.6 -0.90 1.7
pT ratio
Extra to leading jet
ATLAS_2020_I1801434 13000 2.6 -1.3 1.3
pT ratio
Extra jet to Top
ATLAS_2020_I1801434 13000 3.2 -1.3 1.9
ΔR(extra jets)
ATLAS_2020_I1801434 13000 2.1 -0.60 1.5
ejej.dphi
ATLAS_2022_I2037744 13000 2.0 -0.70 1.3
ejets.ht
CMS_2021_I1901295 13000 8.3 +2.7 11
ΔR(extra, leading jet)
ATLAS_2020_I1801434 13000 2.3 -0.60 1.7
ΔR(top, extra jet)
ATLAS_2020_I1801434 13000 2.0 -0.20 1.8
Jets + Veto
Gap frac. vs Veto scale
ATLAS_2012_I1094568 7000 0.11 +0.060 0.17
Jets + Veto
Gap frac. vs scalar veto scale
ATLAS_2012_I1094568 7000 0.020 +0.037 0.057
Jet mass
Jet mass
CMS_2017_I1518399 8000 4.7 +5.3 10
CMS_2019_I1764472 13000 0.97 -0.42 0.55
Jet pT
ATLAS_2014_I1304688 7000 4.1 -0.100 4.0
ATLAS_2019_I1718132 13000 2.4* +0.70 3.1
Dijet
Δη
ATLAS_2019_I1718132 13000 3.5 +2.7 6.2
Dijet
Δφ
ATLAS_2019_I1718132 13000 4.1 +3.2 7.3
Dijet
HT
ATLAS_2019_I1718132 13000 3.4 -1.0 2.4
Jet mass
Dijet mass
ATLAS_2019_I1718132 13000 4.9 +0.90 5.8
Jet Shapes
Differential Jet Shape
ATLAS_2013_I1243871 7000 1.1 +0.70 1.8
Jet Shapes
Integral Jet Shape
ATLAS_2013_I1243871 7000 0.15 +0.10 0.25
Identified Particles
E(KS0)
ATLAS_2019_I1746286 7000 2.1 -0.10 2.0
Identified Particles
η(KS0)
ATLAS_2019_I1746286 7000 1.1 0 1.1
Identified Particles
pT(KS0)
ATLAS_2019_I1746286 7000 1.8 0 1.8
Identified Particles
E(KS0) to E(jet) ratio
ATLAS_2019_I1746286 7000 3.6 -0.60 3.0
Lepton η
ATLAS_2019_I1759875 13000 8.1 +1.9 10
CMS_2018_I1703993 13000 5.8 +0.80 6.6
Lepton pT
ATLAS_2019_I1759875 13000 11 +3.0 14
CMS_2018_I1703993 13000 10.0 +1.0 11
CMS_2021_I1901295 13000 3.8 -0.20 3.6
Identified Particles
E(Λ0)
ATLAS_2019_I1746286 7000 4.5 +0.20 4.7
Identified Particles
η(Λ0)
ATLAS_2019_I1746286 7000 0.63 +0.080 0.71
Identified Particles
pT0)
ATLAS_2019_I1746286 7000 4.9 +0.90 5.8
Δφ(lepton,jet)
ATLAS_2019_I1718132 13000 6.3* +1.3 7.6
Dilepton
E
ATLAS_2019_I1759875 13000 9.0 +3.0 12
Dilepton
Δη
CMS_2016_I1430892 8000 0.47 -0.12 0.35
CMS_2018_I1703993 13000 7.9 -0.20 7.7
Dilepton
Δφ
ATLAS_2019_I1718132 13000 5.6* +8.4 14
ATLAS_2019_I1759875 13000 7.1 +2.3 9.4*
CMS_2018_I1703993 13000 11 +4.0 15
Dilepton
HT
ATLAS_2019_I1759875 13000 9.8 +1.2 11
Dilepton
m
ATLAS_2019_I1759875 13000 9.2 +2.8 12
CMS_2018_I1703993 13000 9.4 +2.6 12
Dilepton
pT
ATLAS_2019_I1718132 13000 4.2 +2.5 6.7
ATLAS_2019_I1759875 13000 8.4 +2.6 11
CMS_2018_I1703993 13000 8.3 +1.3 9.6
Dilepton
y
ATLAS_2019_I1759875 13000 7.9* +0.70 8.6
ST(leptons, jets)
ATLAS_2019_I1718132 13000 n/a - n/a
nch
ATLAS_2022_I2152933 13000 3.8 -2.4 1.4
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 12 -2.0 10
Jet Multiplicities
Jet multiplicity
ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 2.8 -0.20 2.6
CMS_2018_I1703993 13000 8.0 +3.0 11
sumpt
ATLAS_2022_I2152933 13000 7.1 -2.6 4.5
Jet Multiplicities
Subjet multiplicity
ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
ATLAS_2019_I1750330 13000 2.9 +0.40 3.3
ATLAS_2020_I1801434 13000 2.8* -0.90 1.9
ATLAS_2022_I2077575 13000 5.4* +0.20 5.6*
Top pT
ATLAS_2019_I1750330 13000 2.6 +0.10 2.7*
ATLAS_2020_I1801434 13000 2.2 -0.20 2.0
ATLAS_2022_I2037744 13000 1.2 +1.4 2.6
ATLAS_2022_I2077575 13000 2.6* +0.20 2.8*
CMS_2018_I1703993 13000 19 0 19
CMS_2021_I1901295 13000 8.4* +0.60 9.0*
top.pt.ttbarRF
CMS_2018_I1703993 13000 18 +1.0 19
pT ratio
Top quarks
ATLAS_2020_I1801434 13000 3.6 -1.5 2.1
Top rapidity
ATLAS_2019_I1750330 13000 2.8 0 2.8
ATLAS_2020_I1801434 13000 2.7 -0.80 1.9
ATLAS_2022_I2037744 13000 4.2* -3.3 0.90*
ATLAS_2022_I2077575 13000 2.8* +0.60 3.4*
CMS_2018_I1703993 13000 14 +1.0 15
CMS_2021_I1901295 13000 7.5 -0.70 6.8
topej.dphi
ATLAS_2022_I2037744 13000 2.1 +0.30 2.4
topej.m
ATLAS_2022_I2037744 13000 1.2 +1.1 2.3
χ(ttbar)
ATLAS_2019_I1750330 13000 3.2 -0.10 3.1
ATLAS_2020_I1801434 13000 2.6 -0.80 1.8
ATLAS_2022_I2077575 13000 5.0* +0.40 5.4*
Δφ(ttbar)
ATLAS_2019_I1750330 13000 3.1 +1.4 4.5
ATLAS_2020_I1801434 13000 2.8 -0.80 2.0
ATLAS_2022_I2037744 13000 0.61 -0.19 0.42
ATLAS_2022_I2077575 13000 3.8 +3.2 7.0*
CMS_2018_I1703993 13000 23 -1.0 22
CMS_2021_I1901295 13000 12 +5.0 17
Δy (ttbar)
CMS_2016_I1430892 8000 0.17 -0.088 0.082
CMS_2018_I1703993 13000 14 +1.0 15
CMS_2021_I1901295 13000 6.3 +0.30 6.6
ttbar HT
ATLAS_2019_I1750330 13000 2.6 +0.40 3.0
ATLAS_2020_I1801434 13000 3.1 -1.5 1.6
ATLAS_2022_I2037744 13000 1.9 - n/a
ATLAS_2022_I2077575 13000 3.7 +2.8 6.5*
CMS_2021_I1901295 13000 7.2 -0.30 6.9
m(ttbar)
ATLAS_2019_I1750330 13000 2.2* +1.0 3.2*
ATLAS_2020_I1801434 13000 2.4 +0.20 2.6
ATLAS_2022_I2037744 13000 1.4 +0.70 2.1
ATLAS_2022_I2077575 13000 2.6* +0.30 2.9*
CMS_2018_I1703993 13000 17 +3.0 20
CMS_2021_I1901295 13000 9.6 +0.40 10
Pcrossttbar
ATLAS_2020_I1801434 13000 2.3 -0.70 1.6
ttbar pT
ATLAS_2019_I1750330 13000 2.8 +0.60 3.4*
ATLAS_2020_I1801434 13000 2.6* -0.90 1.7*
ATLAS_2022_I2037744 13000 1.0 0 1.0
ATLAS_2022_I2077575 13000 2.6 +0.20 2.8*
CMS_2018_I1703993 13000 15 +2.0 17
CMS_2021_I1901295 13000 7.7 +3.3 11
pT ratio
ttbar to extra jet
ATLAS_2020_I1801434 13000 2.4 -0.30 2.1
ttbar.thetaStar
ATLAS_2022_I2077575 13000 3.6 +2.2 5.8*
CMS_2021_I1901295 13000 9.9 +0.100 10
Ttbar rapidity
ATLAS_2019_I1750330 13000 2.7 0 2.7
ATLAS_2020_I1801434 13000 1.7 +0.60 2.3
ATLAS_2022_I2037744 13000 1.0 -0.37 0.63
ATLAS_2022_I2077575 13000 5.6* -2.3 3.3
CMS_2018_I1703993 13000 14 +1.0 15
CMS_2021_I1901295 13000 9.0 +0.60 9.6
Mean rapidity
ATLAS_2019_I1750330 13000 4.1 0 4.1
ATLAS_2020_I1801434 13000 1.8 -0.40 1.4
ATLAS_2022_I2077575 13000 5.6* -2.4 3.2
ttbarej.ht
ATLAS_2022_I2037744 13000 0.61 +0.69 1.3
ttbarej.m
CMS_2021_I1901295 13000 8.2 +0.90 9.1
pT ratio
W to b
ATLAS_2020_I1801434 13000 1.7 +0.60 2.3
pT ratio
W to top
ATLAS_2020_I1801434 13000 2.2 -0.40 1.8
Cross sections
ATLAS_2022_I2037744 13000 0.015 +0.26 0.27
ATLAS_2022_I2077575 13000 23 +2.0 25
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.