Generator / tune

Details for Pythia 6.427 347 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 0.65 -0.080 0.57
ALEPH_2004_I636645 [91.2..206] 0.35* +0.12 0.47*
DELPHI_1996_I424112 91.2 0.55 -0.24 0.31
OPAL_2004_I669402 [91.2..197] 0.43 -0.020 0.41
C parameter
ALEPH_1996_I428072 91.2 0.59 -0.19 0.40
ALEPH_2004_I636645 [91.2..206] 0.85* -0.11 0.74*
DELPHI_1996_I424112 91.2 0.92 -0.030 0.89
OPAL_2004_I669402 [91.2..197] 0.91 +0.060 0.97
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 +0.10 1.6
OPAL_2004_I669402 [91.2..197] 0.80 +0.030 0.83
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.23 0 0.23
ALEPH_2004_I636645 [91.2..206] 0.58* -0.050 0.53*
DELPHI_1996_I424112 91.2 0.37 +0.020 0.39
OPAL_2004_I669402 [91.2..197] 1.1 +0.30 1.4
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.36 +0.28 0.64
OPAL_2004_I669402 [91.2..197] 1.5 0 1.5
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] 0.88* -0.090 0.79*
DELPHI_1996_I424112 91.2 0.20 +0.15 0.35
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.93* -0.43 0.50*
DELPHI_1996_I424112 91.2 0.67 +0.12 0.79
Sphericity
ALEPH_1996_I428072 91.2 0.27 +0.080 0.35
ALEPH_2004_I636645 [91.2..206] 0.54* +0.040 0.58*
DELPHI_1996_I424112 91.2 0.34 +0.21 0.55
OPAL_2004_I669402 [91.2..197] 0.60 +0.060 0.66
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.3* -0.50 0.80*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.95* -0.30 0.65*
DELPHI_1996_I424112 91.2 0.95 +0.15 1.1
OPAL_2004_I669402 [91.2..197] 0.46 -0.010 0.45
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 0.95 +0.050 1.0
ALEPH_2004_I636645 [91.2..206] 0.99* -0.17 0.82*
DELPHI_1996_I424112 91.2 1.4 +0.20 1.6
OPAL_2004_I669402 [91.2..197] 1.00 +0.10 1.1
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] 0.44* +0.96 1.4*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.090 +0.13 0.22
ALEPH_2004_I636645 [91.2..206] 0.73* -0.24 0.49*
OPAL_2004_I669402 [91.2..197] 0.53 +0.010 0.54
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] 0.49* -0.030 0.46*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.67* 0 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 4.2 -0.30 3.9
OPAL_2003_I599181 91.2 4.2 0 4.2
SLD_2002_I582951 91.2 1.3 +0.100 1.4
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] 0.72* -0.42 0.30*
DELPHI_1996_I424112 91.2 0.63 +0.47 1.1
OPAL_2004_I669402 [91.2..197] 0.63 +0.010 0.64
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.84* -0.33 0.51*
DELPHI_1996_I424112 91.2 0.57 +0.30 0.87
OPAL_2004_I669402 [91.2..197] 0.82 -0.020 0.80
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.26 +0.58 0.84
OPAL_2004_I669402 [91.2..197] 0.68 0 0.68
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.15 +0.34 0.49
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 +2.0 14
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 18 +1.0 19
EEC
DELPHI_1996_I424112 91.2 0.14 +0.020 0.16
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.68 +0.090 0.77
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 2.4 -0.30 2.1
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 0.082 -0.012 0.070
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 7.5 -1.5 6.0
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 16 +1.0 17
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 3.4 +0.20 3.6
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 1.4 +0.40 1.8
DELPHI_1996_I424112 91.2 1.9 +0.80 2.7
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.3* -0.10 1.2*
DELPHI_1996_I424112 91.2 1.9 +0.30 2.2
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.7 +0.20 1.9
DELPHI_1996_I424112 91.2 2.1 +0.30 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 2.1 -0.10 2.0
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.67 +0.27 0.94
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.5 -0.30 1.2
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 9.1 +1.9 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 23 +6.0 29
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 140* -85 55*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.6* -1.1 0.55*
DELPHI_1996_I424112 91.2 0.27 -0.080 0.19
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* -1.5 2.9*
DELPHI_1996_I424112 91.2 0.36 -0.070 0.29
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.5* -2.1 1.4*
DELPHI_1996_I424112 91.2 1.2 -0.100 1.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.5* -0.40 3.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.3* -0.50 2.8*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.6 +0.100 1.7
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.6 +0.40 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 8.8 +0.30 9.1
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.71 +0.090 0.80
ALEPH_2004_I636645 [91.2..206] 1.5* -0.66 0.84*
DELPHI_1996_I424112 91.2 0.72 +0.38 1.1
OPAL_2004_I669402 [91.2..197] 0.58 -0.14 0.44
1-Thrust
ALEPH_1996_I428072 91.2 0.39 +0.15 0.54
DELPHI_1996_I424112 91.2 0.55 -0.030 0.52
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 0.38 +0.17 0.55
ALEPH_2004_I636645 [133..206] 0.63* -0.010 0.62*
DELPHI_1996_I424112 91.2 0.99 +0.21 1.2
OPAL_1998_I472637 91.2 1.8* -0.30 1.5
SLD_2004_I630327 91.2 2.9 -1.4 1.5
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 7.9 +0.50 8.4
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.63* +0.010 0.64*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 3.2 +0.40 3.6
SLD_2004_I630327 91.2 8.3* -1.5 6.8
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
OPAL_1993_I342766 91.2 31 -1.0 30
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 13 -2.0 11
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 44 -18 26
DELPHI_1995_I394716 91.2 0.34 +0.54 0.88
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.9 -2.7 4.2
DELPHI_1995_I394716 91.2 0.24 +0.040 0.28
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 56 +10 66
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 13 -1.0 12
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 n/a - n/a
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.0 -0.60 8.4
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.33 +0.11 0.44
ALEPH_2004_I636645 [133..206] 0.73* -0.070 0.66*
DELPHI_1996_I424112 91.2 0.61 +0.100 0.71
OPAL_1998_I472637 91.2 1.6* -0.20 1.4
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 0.83 +0.37 1.2
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.1 -0.10 1.0
SLD_2004_I630327 91.2 6.0* +9.0 15*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 2.8 +1.0 3.8
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.49 +0.030 0.52
SLD_2004_I630327 91.2 1.8* +0.100 1.9*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.8 -0.100 2.7
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.98* -0.18 0.80*
DELPHI_1996_I424112 91.2 0.14 +0.040 0.18
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.54 +0.020 0.56
ALEPH_2004_I636645 [133..206] 0.83* -0.33 0.50*
DELPHI_1996_I424112 91.2 0.22 +0.030 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.