Generator / tune

Details for Herwig++ 2.7.0 default vs. 2.7.1

pp/ppbar → Top (tt)


Observable Reference Energy χ2+5% (2.7.0) Δ χ2+5% (2.7.1)
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 0.63 -0.010 0.62
B jet
 η
 CMS_2018_I1703993 13000 11 -1.0 10
B jet
 pT
 CMS_2018_I1703993 13000 11 +1.0 12
bjbj.m
 CMS_2018_I1703993 13000 13 +1.0 14
bjbj.pt
 CMS_2018_I1703993 13000 14 0 14
bjt.dphi
 ATLAS_2022_I2037744 13000 n/a - 3.9
ej.pt
 ATLAS_2022_I2037744 13000 3.6* - n/a
pT ratio
 Extra jets
 ATLAS_2020_I1801434 13000 6.8* +0.20 7.0
pT ratio
 Extra to leading jet
 ATLAS_2020_I1801434 13000 6.1 +1.0 7.1
pT ratio
 Extra jet to Top
 ATLAS_2020_I1801434 13000 6.1 +1.2 7.3*
ΔR(extra jets)
 ATLAS_2020_I1801434 13000 4.4 +1.4 5.8
ejej.dphi
 ATLAS_2022_I2037744 13000 1.9 -0.30 1.6
ejets.ht
 CMS_2021_I1901295 13000 n/a - n/a
ΔR(extra, leading jet)
 ATLAS_2020_I1801434 13000 3.9 0 3.9
ΔR(top, extra jet)
 ATLAS_2020_I1801434 13000 4.8 +0.80 5.6
Jets + Veto
 Gap frac. vs Veto scale
 ATLAS_2012_I1094568 7000 0.16 -0.050 0.11
Jets + Veto
 Gap frac. vs scalar veto scale
 ATLAS_2012_I1094568 7000 0.18 -0.0100 0.17
Jet mass
 Jet mass
 CMS_2017_I1518399 8000 n/a - n/a
CMS_2019_I1764472 13000 0.46 +0.64 1.1
Jet pT
 ATLAS_2014_I1304688 7000 14 +1.0 15
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 0.93 +0.17 1.1
Jet Shapes
 Integral Jet Shape
 ATLAS_2013_I1243871 7000 0.19 -0.060 0.13
Identified Particles
 E(KS0)
 ATLAS_2019_I1746286 7000 1.1 +0.100 1.2
Identified Particles
 η(KS0)
 ATLAS_2019_I1746286 7000 0.67 -0.13 0.54
Identified Particles
 pT(KS0)
 ATLAS_2019_I1746286 7000 0.93 -0.080 0.85
Identified Particles
 E(KS0) to E(jet) ratio
 ATLAS_2019_I1746286 7000 1.3 -0.10 1.2
Lepton η
 ATLAS_2019_I1759875 13000 10 +2.0 12
CMS_2018_I1703993 13000 6.8 +0.10 6.9
Lepton pT
 ATLAS_2019_I1759875 13000 15 +1.0 16
CMS_2018_I1703993 13000 11 +2.0 13
CMS_2021_I1901295 13000 5.1 +1.2 6.3
Identified Particles
 E(Λ0)
 ATLAS_2019_I1746286 7000 4.2 +0.100 4.3
Identified Particles
 η(Λ0)
 ATLAS_2019_I1746286 7000 0.70 -0.030 0.67
Identified Particles
 pT(Λ0)
 ATLAS_2019_I1746286 7000 6.1 0 6.1
Δφ(lepton,jet)
 ATLAS_2019_I1718132 13000 n/a - n/a
Dilepton
 E
 ATLAS_2019_I1759875 13000 11 +2.0 13
Dilepton
 Δη
 CMS_2016_I1430892 8000 n/a - n/a
CMS_2018_I1703993 13000 8.3 +1.3 9.6
Dilepton
 Δφ
 ATLAS_2019_I1718132 13000 n/a - n/a
ATLAS_2019_I1759875 13000 6.9 +0.70 7.6
CMS_2018_I1703993 13000 9.1 +0.50 9.6
Dilepton
 HT
 ATLAS_2019_I1759875 13000 12 +1.0 13
Dilepton
 m
 ATLAS_2019_I1759875 13000 10 +3.0 13
CMS_2018_I1703993 13000 9.6 +3.4 13
Dilepton
 pT
 ATLAS_2019_I1718132 13000 n/a - n/a
ATLAS_2019_I1759875 13000 12 +1.0 13
CMS_2018_I1703993 13000 11 -1.0 10
Dilepton
 y
 ATLAS_2019_I1759875 13000 8.2 +2.8 11*
ST(leptons, jets)
 ATLAS_2019_I1718132 13000 n/a - n/a
nch
 ATLAS_2022_I2152933 13000 4.7 +1.4 6.1
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 35 - n/a
Jet Multiplicities
 Jet multiplicity
 ATLAS_2014_I1304688 7000 n/a - n/a
ATLAS_2020_I1801434 13000 6.5 +1.7 8.2
CMS_2018_I1703993 13000 n/a - n/a
sumpt
 ATLAS_2022_I2152933 13000 4.9 +1.2 6.1
Jet Multiplicities
 Subjet multiplicity
 ATLAS_2019_I1750330 13000 n/a - n/a
Pouttop
 ATLAS_2019_I1750330 13000 9.4 +0.40 9.8*
ATLAS_2020_I1801434 13000 5.9 -0.80 5.1
ATLAS_2022_I2077575 13000 n/a - 2.4*
Top pT
 ATLAS_2019_I1750330 13000 6.2* +0.30 6.5*
ATLAS_2020_I1801434 13000 3.8 +1.8 5.6*
ATLAS_2022_I2037744 13000 1.3* +0.60 1.9*
ATLAS_2022_I2077575 13000 1.7* -0.30 1.4*
CMS_2018_I1703993 13000 18 +2.0 20
CMS_2021_I1901295 13000 25* -2.0 23*
top.pt.ttbarRF
 CMS_2018_I1703993 13000 18 +3.0 21
pT ratio
 Top quarks
 ATLAS_2020_I1801434 13000 7.7 -0.80 6.9
Top rapidity
 ATLAS_2019_I1750330 13000 5.8 +0.30 6.1
ATLAS_2020_I1801434 13000 5.4 +1.2 6.6
ATLAS_2022_I2037744 13000 1.5 +0.60 2.1*
ATLAS_2022_I2077575 13000 2.2* -0.60 1.6*
CMS_2018_I1703993 13000 18 +1.0 19
CMS_2021_I1901295 13000 8.3* -0.80 7.5*
topej.dphi
 ATLAS_2022_I2037744 13000 3.3 -0.40 2.9
topej.m
 ATLAS_2022_I2037744 13000 2.9 +0.50 3.4
χ(ttbar)
 ATLAS_2019_I1750330 13000 5.8 +0.10 5.9
ATLAS_2020_I1801434 13000 4.6 +2.1 6.7
ATLAS_2022_I2077575 13000 2.5* -0.50 2.0*
Δφ(ttbar)
 ATLAS_2019_I1750330 13000 10.0 -0.70 9.3
ATLAS_2020_I1801434 13000 7.7* +0.60 8.3
ATLAS_2022_I2037744 13000 n/a - n/a
ATLAS_2022_I2077575 13000 3.9 -1.4 2.5
CMS_2018_I1703993 13000 40 +6.0 46
CMS_2021_I1901295 13000 25 -1.0 24
Δy (ttbar)
 CMS_2016_I1430892 8000 n/a - n/a
CMS_2018_I1703993 13000 22 +1.0 23
CMS_2021_I1901295 13000 8.5 -0.100 8.4
ttbar HT
 ATLAS_2019_I1750330 13000 4.7 0 4.7
ATLAS_2020_I1801434 13000 3.8 - n/a
ATLAS_2022_I2037744 13000 n/a - n/a
ATLAS_2022_I2077575 13000 2.4* -0.50 1.9*
CMS_2021_I1901295 13000 7.8 -0.90 6.9
m(ttbar)
 ATLAS_2019_I1750330 13000 5.5* -0.70 4.8*
ATLAS_2020_I1801434 13000 4.7 +2.9 7.6
ATLAS_2022_I2037744 13000 n/a - n/a
ATLAS_2022_I2077575 13000 1.5* +0.10 1.6*
CMS_2018_I1703993 13000 21 +8.0 29
CMS_2021_I1901295 13000 17 0 17
Pcrossttbar
 ATLAS_2020_I1801434 13000 4.3 +2.1 6.4
ttbar pT
 ATLAS_2019_I1750330 13000 14* +4.0 18*
ATLAS_2020_I1801434 13000 6.9* -1.1 5.8*
ATLAS_2022_I2037744 13000 n/a - n/a
ATLAS_2022_I2077575 13000 1.7* -0.40 1.3*
CMS_2018_I1703993 13000 n/a - 95
CMS_2021_I1901295 13000 7.0* +32 39*
pT ratio
 ttbar to extra jet
 ATLAS_2020_I1801434 13000 3.7 +1.2 4.9
ttbar.thetaStar
 ATLAS_2022_I2077575 13000 3.4* -1.2 2.2
CMS_2021_I1901295 13000 13 0 13
Ttbar rapidity
 ATLAS_2019_I1750330 13000 5.7 -0.20 5.5
ATLAS_2020_I1801434 13000 3.2* +0.80 4.0*
ATLAS_2022_I2037744 13000 2.1 -0.70 1.4
ATLAS_2022_I2077575 13000 1.9 +0.60 2.5*
CMS_2018_I1703993 13000 16 +2.0 18
CMS_2021_I1901295 13000 12 -1.0 11
Mean rapidity
 ATLAS_2019_I1750330 13000 5.7 -0.50 5.2
ATLAS_2020_I1801434 13000 3.6 +1.1 4.7
ATLAS_2022_I2077575 13000 2.0 +0.10 2.1*
ttbarej.ht
 ATLAS_2022_I2037744 13000 2.3 +1.9 4.2
ttbarej.m
 CMS_2021_I1901295 13000 n/a - n/a
pT ratio
 W to b
 ATLAS_2020_I1801434 13000 3.9 +1.7 5.6
pT ratio
 W to top
 ATLAS_2020_I1801434 13000 4.9 +1.2 6.1
Cross sections
 ATLAS_2022_I2037744 13000 6.3 +4.7 11
ATLAS_2022_I2077575 13000 9.3 -2.2 7.1
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.