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PYTHIA6 - tune AMBT1

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Deviation metrics per observable group

Gen/Tune UE Dijets Multijets Jet shapes W and Z Fragmentation B frag Total
PYTHIA6/AMBT1 0.39 1.20 0.54 0.77 0.27 0.93 1.63 1.63

UE

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
Transverse $N_\text{chg}$... (ATLAS_2010_S8894728/d02-x01-y01) 0.35 0.62 0.56 0.88 0.62
Transverse $\sum p_\perp$... (ATLAS_2010_S8894728/d04-x01-y01) 0.65 0.86 0.76 1.10 0.86
Transverse $\langle p_\per... (ATLAS_2010_S8894728/d12-x01-y01) 0.00 0.04 0.05 0.23 0.05

Dijets

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
Dijet mass spectrum for $0... (ATLAS_2010_S8817804/d12-x01-y01) 4.01 2.12 1.67 3.24 2.12
Dijet azimuthal decorrelat... (ATLAS_2011_S8971293/d01-x01-y01) 0.51 0.28 0.53 1.44 0.53
Dijet azimuthal decorrelat... (ATLAS_2011_S8971293/d01-x01-y05) 2.45 1.46 1.45 2.57 1.46

Multijets

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
Dijet azimuthal decorrelat... (ATLAS_2011_S8971293/d01-x01-y01) 0.10 0.21 0.26 0.54 0.26
Dijet azimuthal decorrelat... (ATLAS_2011_S8971293/d01-x01-y05) 0.61 0.78 0.75 1.10 0.78

Jet shapes

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
Jet shape $\rho$ for $p_\p... (ATLAS_2011_S8924791/d01-x06-y01) 0.11 0.34 0.31 0.51 0.34
Jet shape $\rho$ for $p_\p... (ATLAS_2011_S8924791/d09-x06-y01) 1.91 1.63 1.29 1.87 1.63
Central Transv. Thrust, $9... (CMS_2011_S8957746/d01-x01-y01) 1.48 0.69 0.80 3.49 0.80
Central Transv. Minor, $90... (CMS_2011_S8957746/d02-x01-y01) 0.97 0.80 0.72 2.35 0.80

W and Z

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
Muon channel ($|y_Z|<1$) (D0_2010_S8821313/d02-x01-y01) 0.13 0.29 0.29 0.74 0.29
Muon channel ($1<|y_Z|<2$) (D0_2010_S8821313/d02-x01-y02) 0.10 0.18 0.25 0.71 0.25

Fragmentation

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
Scaled momentum, $x_p = |p... (DELPHI_1996_S3430090/d07-x01-y01) 1.46 0.67 0.89 3.33 0.89
$1-\text{Thrust}$ (DELPHI_1996_S3430090/d11-x01-y01) 0.88 0.81 0.85 1.86 0.85
Thrust major, $M$ (DELPHI_1996_S3430090/d12-x01-y01) 0.84 0.55 0.68 2.06 0.68
Thrust minor, $m$ (DELPHI_1996_S3430090/d13-x01-y01) 2.60 1.45 1.41 2.39 1.45
Mean charged multiplicity (DELPHI_1996_S3430090/d35-x01-y01) 0.37 0.61 0.61 0.61 0.61
Mean $\pi^+/\pi^-$ multipl... (DELPHI_1996_S3430090/d36-x01-y01) 0.96 0.98 0.98 0.98 0.98
Mean $K^+/K^-$ multiplicity (DELPHI_1996_S3430090/d36-x01-y03) 0.22 0.46 0.46 0.46 0.46
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d03-x01-y03) 2.05 1.43 1.43 1.43 1.43
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d15-x01-y03) 7.08 2.66 2.66 2.66 2.66
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d38-x01-y03) 0.19 0.44 0.44 0.44 0.44
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d39-x01-y03) 0.25 0.50 0.50 0.50 0.50
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d40-x01-y02) 0.06 0.25 0.25 0.25 0.25
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d41-x01-y01) 0.28 0.52 0.52 0.52 0.52
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d42-x01-y01) 3.17 1.78 1.78 1.78 1.78
Ratio (w.r.t. $\pi^\pm$) o... (PDG_HADRON_MULTIPLICITIES_RATIOS/d43-x01-y01) 0.75 0.87 0.87 0.87 0.87

B frag

Histo chi2/Ndf Median deviation Mean deviation Max deviation Metric
$b$ quark fragmentation fu... (DELPHI_2002_069_CONF_603/d01-x01-y01) 2.80 1.63 1.44 2.96 1.63