Generator / tune

Details for Pythia 6.427 dw vs. 6.428

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Aplanarity
ALEPH_1996_I428072 91.2 3.1 +0.10 3.2
ALEPH_2004_I636645 [91.2..206] 0.78* +0.040 0.82*
DELPHI_1996_I424112 91.2 2.8 -0.20 2.6
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
C parameter
ALEPH_1996_I428072 91.2 0.96 -0.17 0.79
ALEPH_2004_I636645 [91.2..206] 0.92* -0.17 0.75*
DELPHI_1996_I424112 91.2 0.77 -0.31 0.46
OPAL_2004_I669402 [91.2..197] 0.64 +0.070 0.71
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.7 -0.30 1.4
OPAL_2004_I669402 [91.2..197] 1.2 +0.10 1.3
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.14 -0.042 0.098
ALEPH_2004_I636645 [91.2..206] 0.37* +0.010 0.38*
DELPHI_1996_I424112 91.2 0.35 -0.17 0.18
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.69 +0.070 0.76
OPAL_2004_I669402 [91.2..197] 1.3 0 1.3
Event-Shape Moments
Moments of ML
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔM(Heavy-Light)
ALEPH_2004_I636645 [91.2..206] 0.92* -0.070 0.85*
DELPHI_1996_I424112 91.2 0.15 -0.097 0.053
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.38* +0.010 0.39*
DELPHI_1996_I424112 91.2 0.36 +0.040 0.40
Sphericity
ALEPH_1996_I428072 91.2 0.85 -0.31 0.54
ALEPH_2004_I636645 [91.2..206] 0.42* -0.12 0.30*
DELPHI_1996_I424112 91.2 0.55 -0.16 0.39
OPAL_2004_I669402 [91.2..197] 0.70 +0.040 0.74
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.87* -0.19 0.68*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.42* -0.050 0.37*
DELPHI_1996_I424112 91.2 0.45 +0.030 0.48
OPAL_2004_I669402 [91.2..197] 0.67 +0.030 0.70
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.2 +0.40 2.6
ALEPH_2004_I636645 [91.2..206] 0.74* -0.060 0.68*
DELPHI_1996_I424112 91.2 1.4 +0.80 2.2
OPAL_2004_I669402 [91.2..197] 1.0 +0.30 1.3
Event-Shape Moments
Moments of T Minor
OPAL_2004_I669402 [91.2..197] n/a - n/a
Jet resolution
y12
ALEPH_2004_I636645 [91.2..206] 0.48* -0.35 0.13*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.75 -0.060 0.69
ALEPH_2004_I636645 [91.2..206] 0.40* 0 0.40*
OPAL_2004_I669402 [91.2..197] 0.71 +0.040 0.75
Event-Shape Moments
Moments of Y23
OPAL_2004_I669402 [91.2..197] n/a - n/a
Jet resolution
y34
ALEPH_2004_I636645 [91.2..206] 0.59* -0.040 0.55*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.92* +0.050 0.97*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.1* -0.15 0.95*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.9 -0.40 5.5
OPAL_2003_I599181 91.2 8.2 -0.40 7.8
SLD_2002_I582951 91.2 2.7 0 2.7
Charm and Bottom
Mean of fweak
DELPHI_2011_I890503 91.2 n/a - n/a
OPAL_2003_I599181 91.2 n/a - n/a
B(Total)
ALEPH_2004_I636645 [91.2..206] 0.28* +0.14 0.42*
DELPHI_1996_I424112 91.2 0.55 -0.010 0.54
OPAL_2004_I669402 [91.2..197] 0.66 +0.060 0.72
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.60* -0.100 0.50*
DELPHI_1996_I424112 91.2 0.30 -0.050 0.25
OPAL_2004_I669402 [91.2..197] 0.48 +0.100 0.58
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.80 -0.18 0.62
OPAL_2004_I669402 [91.2..197] 0.68 +0.12 0.80
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.48 -0.16 0.32
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 8.9 -0.20 8.7
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 12 +1.0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 17 0 17
EEC
DELPHI_1996_I424112 91.2 0.13 +0.010 0.14
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.8 -0.10 1.7
Charm and Bottom
B multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charm and Bottom
D multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
Δ++ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charm and Bottom
D* multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
K multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
SLD_2004_I630327 91.2 4.2 +0.100 4.3
Identified Particles
K*(892) multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
Λ0 multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charm and Bottom
Λb multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
Ω multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
Σ(1385) multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
Ξ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
Ξ(1530) multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
Multiplicity Distribution
ALEPH_1996_I428072 91.2 n/a - n/a
DELPHI_1991_I301657 91.2 n/a - n/a
DELPHI_1996_I424112 91.2 n/a - n/a
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
TASSO_1989_I277658 [14..43.6] n/a - n/a
Charged Particles
<Nch>
DELPHI_1991_I301657 91.2 0.12 +0.010 0.13
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.22 +0.030 0.25
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 19 +1.0 20
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 24 -1.0 23
Identified Particles
η multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
η' multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
p multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
φ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Identified Particles
π multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
SLD_2004_I630327 91.2 2.5 +0.10 2.6
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.0 +0.20 1.2
DELPHI_1996_I424112 91.2 1.8 -0.20 1.6
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* -0.10 1.0*
DELPHI_1996_I424112 91.2 1.1 -0.17 0.93
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 13 0 13
DELPHI_1996_I424112 91.2 14 +1.0 15
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 15 +1.0 16
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.85 +0.25 1.1
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.54 -0.020 0.52
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 -1.0 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 14 0 14
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 50* - n/a
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.69* +1.2 1.9*
DELPHI_1996_I424112 91.2 0.34 +0.060 0.40
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.2* +0.20 5.4*
DELPHI_1996_I424112 91.2 2.2 +0.20 2.4
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.2* +2.9 4.1*
DELPHI_1996_I424112 91.2 3.3 +0.10 3.4
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.1* -0.40 4.7*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.1* +0.100 1.2*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.9 +0.10 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 2.1 +0.20 2.3
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 30 +15 45
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 16 +1.0 17
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.72 -0.080 0.64
ALEPH_2004_I636645 [91.2..206] 0.44* -0.060 0.38*
DELPHI_1996_I424112 91.2 0.69 -0.14 0.55
OPAL_2004_I669402 [91.2..197] 0.70 +0.030 0.73
1-Thrust
ALEPH_1996_I428072 91.2 0.33 -0.080 0.25
DELPHI_1996_I424112 91.2 0.33 -0.16 0.17
OPAL_2004_I669402 [91.2..197] 0.66 +0.100 0.76
Event-Shape Moments
Moments of 1-T
OPAL_2004_I669402 [91.2..197] n/a - n/a
Charged Particles
xp (momentum fraction)
ALEPH_1996_I428072 91.2 1.7 0 1.7
ALEPH_2004_I636645 [133..206] 0.59* 0 0.59*
DELPHI_1996_I424112 91.2 2.4 +0.30 2.7
OPAL_1998_I472637 91.2 1.9 +0.20 2.1*
SLD_2004_I630327 91.2 3.6 -0.40 3.2
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 15 +1.0 16
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.60* +0.010 0.61*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 4.7 +0.100 4.8
SLD_2004_I630327 91.2 12* -3.8 8.2*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 7.7 +0.30 8.0
OPAL_1993_I342766 91.2 44 +1.0 45
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 4.5 +0.100 4.6
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 16 +1.0 17
DELPHI_1995_I394716 91.2 14 +1.0 15
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 3.6 -1.6 2.0
DELPHI_1995_I394716 91.2 0.61 +0.38 0.99
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 21 -2.0 19
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 17 -2.0 15
L3_1992_I336180 91.2 0.97 +0.020 0.99
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 38 -1.0 37
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 13 +1.0 14
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 1.4 0 1.4
ALEPH_2004_I636645 [133..206] 0.68* -0.010 0.67*
DELPHI_1996_I424112 91.2 1.4 0 1.4
OPAL_1998_I472637 91.2 1.7 +0.30 2.0*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 5.4 0 5.4
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.5 0 2.5
SLD_2004_I630327 91.2 12* +1.0 13*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 23 +2.0 25
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.47 -0.0100 0.46
SLD_2004_I630327 91.2 2.3 -0.90 1.4*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.92 +0.060 0.98
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.69* -0.080 0.61*
DELPHI_1996_I424112 91.2 0.92 +0.070 0.99
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.17 -0.010 0.16
ALEPH_2004_I636645 [133..206] 0.47* -0.020 0.45*
DELPHI_1996_I424112 91.2 0.45 +0.13 0.58

* 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 742 histograms.