Generator / tune

Details for Pythia 6.427 350 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 1.9 +0.20 2.1
ALEPH_2004_I636645 [91.2..206] 0.73* -0.030 0.70*
DELPHI_1996_I424112 91.2 1.4 +0.40 1.8
OPAL_2004_I669402 [91.2..197] 1.2 +0.10 1.3
C parameter
ALEPH_1996_I428072 91.2 0.73 +0.040 0.77
ALEPH_2004_I636645 [91.2..206] 0.84* -0.15 0.69*
DELPHI_1996_I424112 91.2 1.2 0 1.2
OPAL_2004_I669402 [91.2..197] 1.4 +0.10 1.5
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.8 +0.40 3.2
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.33 +0.040 0.37
ALEPH_2004_I636645 [91.2..206] 0.22* +0.020 0.24*
DELPHI_1996_I424112 91.2 0.53 -0.11 0.42
OPAL_2004_I669402 [91.2..197] 1.9 0 1.9
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 1.5 +0.20 1.7
OPAL_2004_I669402 [91.2..197] 2.5 +0.10 2.6
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] 0.78* -0.010 0.77*
DELPHI_1996_I424112 91.2 0.33 -0.060 0.27
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.51* -0.020 0.49*
DELPHI_1996_I424112 91.2 0.78 -0.29 0.49
Sphericity
ALEPH_1996_I428072 91.2 0.33 +0.16 0.49
ALEPH_2004_I636645 [91.2..206] 0.48* +0.100 0.58*
DELPHI_1996_I424112 91.2 0.40 +0.040 0.44
OPAL_2004_I669402 [91.2..197] 0.71 -0.040 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] 0.80* -0.15 0.65*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.49* +0.030 0.52*
DELPHI_1996_I424112 91.2 0.58 +0.16 0.74
OPAL_2004_I669402 [91.2..197] 0.74 +0.030 0.77
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.5 +0.10 2.6
ALEPH_2004_I636645 [91.2..206] 0.83* -0.060 0.77*
DELPHI_1996_I424112 91.2 2.9 +0.20 3.1
OPAL_2004_I669402 [91.2..197] 1.7 +0.30 2.0
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] 1.4* -0.61 0.79*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.44 -0.050 0.39
ALEPH_2004_I636645 [91.2..206] 0.47* +0.020 0.49*
OPAL_2004_I669402 [91.2..197] 0.65 +0.040 0.69
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] 0.58* -0.11 0.47*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.66* +0.040 0.70*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.71* -0.040 0.67*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 2.0 0 2.0
OPAL_2003_I599181 91.2 5.7 -1.1 4.6
SLD_2002_I582951 91.2 0.53 -0.090 0.44
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] 0.20* +0.020 0.22*
DELPHI_1996_I424112 91.2 0.66 +0.070 0.73
OPAL_2004_I669402 [91.2..197] 0.76 +0.060 0.82
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.45* +0.030 0.48*
DELPHI_1996_I424112 91.2 0.46 +0.030 0.49
OPAL_2004_I669402 [91.2..197] 0.76 +0.060 0.82
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.71 +0.24 0.95
OPAL_2004_I669402 [91.2..197] 1.00 0 1.0
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.34 -0.040 0.30
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 14 +2.0 16
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 n/a - 21
EEC
DELPHI_1996_I424112 91.2 0.36 +0.080 0.44
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.0 +0.90 1.9
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 1.2 +0.10 1.3
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 0.083 0 0.083
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.20 +0.0100 0.21
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 23 0 23
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 16 +11 27
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 8.3 +0.100 8.4
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 2.9 0 2.9
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.6 -0.30 1.3
DELPHI_1996_I424112 91.2 2.3 -0.50 1.8
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* +0.100 1.2*
DELPHI_1996_I424112 91.2 1.9 -0.40 1.5
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 2.2 -0.40 1.8
DELPHI_1996_I424112 91.2 2.4 -0.50 1.9
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 2.7 -0.90 1.8
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.42 -0.060 0.36
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.82 +0.11 0.93
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 13 0 13
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 34 +4.0 38
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 53* -2.0 51*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.68* +1.0 1.7*
DELPHI_1996_I424112 91.2 0.24 +0.11 0.35
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* +0.40 4.5*
DELPHI_1996_I424112 91.2 0.80 +0.090 0.89
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* +0.60 5.0*
DELPHI_1996_I424112 91.2 2.6 +0.30 2.9
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.9* +0.40 6.3*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.9* 0 4.9*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.0 0 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.9 +0.100 5.0
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 12 0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.90 +0.040 0.94
ALEPH_2004_I636645 [91.2..206] 0.89* -0.010 0.88*
DELPHI_1996_I424112 91.2 1.2 -0.100 1.1
OPAL_2004_I669402 [91.2..197] 0.69 -0.17 0.52
1-Thrust
ALEPH_1996_I428072 91.2 1.0 +0.20 1.2
DELPHI_1996_I424112 91.2 0.89 +0.11 1.0
OPAL_2004_I669402 [91.2..197] 1.7 0 1.7
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 0.27 0 0.27
ALEPH_2004_I636645 [133..206] 0.61* -0.020 0.59*
DELPHI_1996_I424112 91.2 0.41 +0.030 0.44
OPAL_1998_I472637 91.2 1.6 0 1.6
SLD_2004_I630327 91.2 1.9 +0.20 2.1
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 4.1 +0.80 4.9
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.62* -0.010 0.61*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.0 +0.10 2.1
SLD_2004_I630327 91.2 9.6 +2.4 12*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.1 0 1.1
OPAL_1993_I342766 91.2 38 0 38
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 3.7 -0.10 3.6
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 11 0 11
DELPHI_1995_I394716 91.2 12 +1.0 13
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 4.9 -0.30 4.6
DELPHI_1995_I394716 91.2 2.3 +0.50 2.8
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 3.1 +0.20 3.3
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 25 -4.0 21
L3_1992_I336180 91.2 1.9 0 1.9
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 24 - n/a
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 10 -1.5 8.5
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.28 0 0.28
ALEPH_2004_I636645 [133..206] 0.66* -0.030 0.63*
DELPHI_1996_I424112 91.2 0.33 -0.020 0.31
OPAL_1998_I472637 91.2 1.5 0 1.5
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.7 0 1.7
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.9 +0.30 2.2
SLD_2004_I630327 91.2 12* 0 12*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 2.9 +0.20 3.1
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.53 -0.040 0.49
SLD_2004_I630327 91.2 2.6 -0.10 2.5
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.0 +0.10 2.1
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.58* +0.070 0.65*
DELPHI_1996_I424112 91.2 0.18 +0.010 0.19
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.33 -0.070 0.26
ALEPH_2004_I636645 [133..206] 0.37* +0.010 0.38*
DELPHI_1996_I424112 91.2 0.21 +0.040 0.25

* 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.