Generator / tune

Details for Pythia 6.427 346 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 0.74 -0.030 0.71
ALEPH_2004_I636645 [91.2..206] 0.41* +0.060 0.47*
DELPHI_1996_I424112 91.2 0.29 +0.46 0.75
OPAL_2004_I669402 [91.2..197] 0.50 -0.090 0.41
C parameter
ALEPH_1996_I428072 91.2 0.60 -0.24 0.36
ALEPH_2004_I636645 [91.2..206] 0.80* -0.020 0.78*
DELPHI_1996_I424112 91.2 0.53 +0.18 0.71
OPAL_2004_I669402 [91.2..197] 0.94 +0.060 1.0
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.5 +0.30 1.8
OPAL_2004_I669402 [91.2..197] 0.82 +0.020 0.84
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.23 +0.060 0.29
ALEPH_2004_I636645 [91.2..206] 0.23* +0.060 0.29*
DELPHI_1996_I424112 91.2 0.42 +0.050 0.47
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 0.66 +0.060 0.72
OPAL_2004_I669402 [91.2..197] 1.5 +0.20 1.7
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* -0.050 0.87*
DELPHI_1996_I424112 91.2 0.24 +0.31 0.55
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.50* +0.040 0.54*
DELPHI_1996_I424112 91.2 1.00 +0.10 1.1
Sphericity
ALEPH_1996_I428072 91.2 0.32 +0.080 0.40
ALEPH_2004_I636645 [91.2..206] 0.54* +0.12 0.66*
DELPHI_1996_I424112 91.2 0.58 -0.060 0.52
OPAL_2004_I669402 [91.2..197] 0.66 +0.010 0.67
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.73* +0.020 0.75*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.63* +0.090 0.72*
DELPHI_1996_I424112 91.2 0.99 +0.51 1.5
OPAL_2004_I669402 [91.2..197] 0.54 -0.010 0.53
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.00 +0.10 1.1
ALEPH_2004_I636645 [91.2..206] 0.85* -0.030 0.82*
DELPHI_1996_I424112 91.2 1.3 +0.30 1.6
OPAL_2004_I669402 [91.2..197] 1.0 -0.030 0.97
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] 0.55* -0.20 0.35*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.11 +0.11 0.22
ALEPH_2004_I636645 [91.2..206] 0.49* +0.020 0.51*
OPAL_2004_I669402 [91.2..197] 0.50 +0.080 0.58
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] 0.48* -0.020 0.46*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.71* -0.040 0.67*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.1* -0.10 1.0*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 3.6 +0.40 4.0
OPAL_2003_I599181 91.2 3.4 +0.40 3.8
SLD_2002_I582951 91.2 1.2 0 1.2
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* +0.020 0.30*
DELPHI_1996_I424112 91.2 0.81 +0.17 0.98
OPAL_2004_I669402 [91.2..197] 0.66 +0.040 0.70
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* +0.090 0.69*
DELPHI_1996_I424112 91.2 0.79 +0.19 0.98
OPAL_2004_I669402 [91.2..197] 0.73 +0.12 0.85
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.24 +0.14 0.38
OPAL_2004_I669402 [91.2..197] 0.71 0 0.71
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.23 +0.16 0.39
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 14 -1.0 13
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 18 -1.0 17
EEC
DELPHI_1996_I424112 91.2 0.18 -0.030 0.15
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.89 -0.050 0.84
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 2.2 +0.20 2.4
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 0.074 +0.0020 0.076
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.088 -0.015 0.073
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 8.1 -1.8 6.3
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 16 -9.3 6.7
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 2.9 -0.10 2.8
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 2.8 -0.100 2.7
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.9 -0.100 1.8
DELPHI_1996_I424112 91.2 2.7 -0.20 2.5
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* +0.10 1.3*
DELPHI_1996_I424112 91.2 2.2 -0.20 2.0
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 2.5 -0.70 1.8
DELPHI_1996_I424112 91.2 3.2 -1.0 2.2
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 3.1 -1.2 1.9
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.52 -0.010 0.51
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.3 +0.20 1.5
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 9.6 +0.100 9.7
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 29 -2.0 27
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 54* +1.0 55*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.52* +0.68 1.2*
DELPHI_1996_I424112 91.2 0.15 +0.14 0.29
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.0* -0.10 2.9*
DELPHI_1996_I424112 91.2 0.61 -0.32 0.29
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3* 0 1.3*
DELPHI_1996_I424112 91.2 0.98 +0.32 1.3
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.8* +0.70 3.5*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.9* +0.20 3.1*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.8 -0.20 1.6
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.9 -0.20 4.7
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 n/a - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 8.6 +0.100 8.7
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.75 +0.17 0.92
ALEPH_2004_I636645 [91.2..206] 0.82* +0.010 0.83*
DELPHI_1996_I424112 91.2 1.0 +0.20 1.2
OPAL_2004_I669402 [91.2..197] 0.48 +0.020 0.50
1-Thrust
ALEPH_1996_I428072 91.2 0.56 -0.19 0.37
DELPHI_1996_I424112 91.2 0.77 -0.100 0.67
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
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 0.46 -0.060 0.40
ALEPH_2004_I636645 [133..206] 0.68* -0.030 0.65*
DELPHI_1996_I424112 91.2 0.86 +0.010 0.87
OPAL_1998_I472637 91.2 1.9* -0.40 1.5
SLD_2004_I630327 91.2 4.9 -2.7 2.2
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 8.4 -0.90 7.5
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.69* -0.030 0.66*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 3.4 +0.30 3.7
SLD_2004_I630327 91.2 8.9* -0.70 8.2*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.2 +0.10 1.3
OPAL_1993_I342766 91.2 30 0 30
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 9.8 +2.2 12
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 29 +3.0 32
DELPHI_1995_I394716 91.2 0.87 -0.50 0.37
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 5.5 -1.0 4.5
DELPHI_1995_I394716 91.2 0.21 +0.10 0.31
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 80 -37 43
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 13 -2.0 11
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 13 +1.0 14
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.0 +0.70 9.7
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.37 -0.070 0.30
ALEPH_2004_I636645 [133..206] 0.69* -0.0100 0.68*
DELPHI_1996_I424112 91.2 0.56 +0.020 0.58
OPAL_1998_I472637 91.2 1.7* -1.0 0.68*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.0 +0.40 1.4
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.3 -0.20 1.1
SLD_2004_I630327 91.2 5.7* +9.3 15*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.5 -0.60 2.9
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.57 -0.060 0.51
SLD_2004_I630327 91.2 2.6 -0.80 1.8*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.7 +0.20 2.9
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.82* -0.050 0.77*
DELPHI_1996_I424112 91.2 0.19 +0.010 0.20
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.50 +0.16 0.66
ALEPH_2004_I636645 [133..206] 0.49* -0.010 0.48*
DELPHI_1996_I424112 91.2 0.21 +0.10 0.31

* 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.