Generator / tune

Details for Pythia 8.306 eetherm vs. 8.307

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (8.306) Δ χ2+5% (8.307)
Aplanarity
ALEPH_1996_I428072 91.2 1.1 -0.21 0.89
ALEPH_2004_I636645 [91.2..206] 1.4* 0 1.4*
DELPHI_1996_I424112 91.2 0.60 +0.14 0.74
OPAL_2004_I669402 [91.2..197] 0.60 +0.100 0.70
C parameter
ALEPH_1996_I428072 91.2 0.43 +0.050 0.48
ALEPH_2004_I636645 [91.2..206] 0.74 +0.010 0.75
DELPHI_1996_I424112 91.2 0.52 +0.30 0.82
OPAL_2004_I669402 [91.2..197] 0.81 +0.14 0.95
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 0.81 +0.15 0.96
OPAL_2004_I669402 [91.2..197] 0.60 +0.040 0.64
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.32 -0.040 0.28
ALEPH_2004_I636645 [91.2..206] 0.51* -0.010 0.50*
DELPHI_1996_I424112 91.2 0.31 +0.090 0.40
OPAL_2004_I669402 [91.2..197] 0.85 +0.050 0.90
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.24 +0.18 0.42
OPAL_2004_I669402 [91.2..197] 1.1 +0.100 1.2
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] 0.87* -0.28 0.59*
DELPHI_1996_I424112 91.2 0.23 +0.040 0.27
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 1.2 0 1.2
DELPHI_1996_I424112 91.2 1.5 +0.20 1.7
Sphericity
ALEPH_1996_I428072 91.2 0.72 -0.060 0.66
ALEPH_2004_I636645 [91.2..206] 0.68* +0.040 0.72*
DELPHI_1996_I424112 91.2 0.89 +0.020 0.91
OPAL_2004_I669402 [91.2..197] 0.87 0 0.87
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.0 0 1.0
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.81* -0.020 0.79*
DELPHI_1996_I424112 91.2 0.93 +0.17 1.1
OPAL_2004_I669402 [91.2..197] 0.63 +0.030 0.66
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 0.68 +0.16 0.84
ALEPH_2004_I636645 [91.2..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 1.8 +0.20 2.0
OPAL_2004_I669402 [91.2..197] 0.84 -0.050 0.79
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] 0.59* +0.11 0.70*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.29 -0.020 0.27
ALEPH_2004_I636645 [91.2..206] 0.59* -0.020 0.57*
OPAL_2004_I669402 [91.2..197] 0.43 +0.040 0.47
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] 0.61* 0 0.61*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.70* -0.20 0.50*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.0* -0.040 0.96*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 10.0 -1.7 8.3
OPAL_2003_I599181 91.2 6.4 -0.60 5.8
SLD_2002_I582951 91.2 2.9 -0.60 2.3
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] 0.70* +0.010 0.71*
DELPHI_1996_I424112 91.2 0.71 -0.13 0.58
OPAL_2004_I669402 [91.2..197] 0.52 0 0.52
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.72* -0.050 0.67*
DELPHI_1996_I424112 91.2 0.60 +0.030 0.63
OPAL_2004_I669402 [91.2..197] 0.63 -0.070 0.56
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.72 -0.13 0.59
OPAL_2004_I669402 [91.2..197] 0.55 +0.030 0.58
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.42 +0.020 0.44
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 10 - n/a
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 16 0 16
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 20 +1.0 21
EEC
DELPHI_1996_I424112 91.2 0.067 -0.0010 0.066
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.5 -0.30 1.2
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 -0.20 2.2
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 0.0042 -0.0025 0.0017
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.054 +0.0020 0.056
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 12 -3.0 9.0
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 26 -2.0 24
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 1.0 +0.10 1.1
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 1.4 0 1.4
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 2.2 0 2.2
DELPHI_1996_I424112 91.2 2.9 +0.20 3.1
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.5 0 1.5
DELPHI_1996_I424112 91.2 2.3 +0.20 2.5
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.9 +0.10 2.0
DELPHI_1996_I424112 91.2 2.2 0 2.2
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 1.8 -0.20 1.6
DELPHI_1996_I424112 91.2 2.5 +0.20 2.7
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.42 -0.15 0.27
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.89 -0.19 0.70
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 11 0 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 20 +2.0 22
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 94* -34 60*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.6* 0 1.6*
DELPHI_1996_I424112 91.2 0.78 +0.22 1.0
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8 +0.40 4.2*
DELPHI_1996_I424112 91.2 0.57 -0.18 0.39
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.4 0 3.4
DELPHI_1996_I424112 91.2 1.2 -0.100 1.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8 0 3.8
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.7* +0.100 3.8
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.9 +0.20 3.1
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 7.1 -0.100 7.0
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 9.0 +0.70 9.7
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.4 -0.100 1.3
ALEPH_2004_I636645 [91.2..206] 1.3* +0.100 1.4*
DELPHI_1996_I424112 91.2 1.7 +0.10 1.8
OPAL_2004_I669402 [91.2..197] 0.99 +0.010 1.0
1-Thrust
ALEPH_1996_I428072 91.2 0.37 +0.11 0.48
DELPHI_1996_I424112 91.2 0.47 +0.090 0.56
OPAL_2004_I669402 [91.2..197] 0.96 +0.040 1.0
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 0.31 -0.050 0.26
ALEPH_2004_I636645 [133..206] 0.71 0 0.71
DELPHI_1996_I424112 91.2 0.20 +0.040 0.24
OPAL_1998_I472637 91.2 1.1 0 1.1
SLD_2004_I630327 91.2 1.6 +0.40 2.0
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 740 -30 710
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.71 0 0.71
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.7 -0.20 2.5
SLD_2004_I630327 91.2 8.3 +0.60 8.9
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 0.81 +0.080 0.89
OPAL_1993_I342766 91.2 28 -1.0 27
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 4.9 -0.70 4.2
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 50 +1.0 51
DELPHI_1995_I394716 91.2 41 +2.0 43
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 9.1 +1.9 11
DELPHI_1995_I394716 91.2 6.7 +0.50 7.2
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 51 -2.0 49
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 11 +1.0 12
L3_1992_I336180 91.2 0.88 +0.020 0.90
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 39 -1.0 38
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 6.6 -0.50 6.1
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.21 -0.040 0.17
ALEPH_2004_I636645 [133..206] 0.82 -0.0100 0.81
DELPHI_1996_I424112 91.2 0.16 +0.040 0.20
OPAL_1998_I472637 91.2 1.2 -0.64 0.56*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 0.78 +0.040 0.82
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 0.25 +0.12 0.37
SLD_2004_I630327 91.2 6.7* +0.80 7.5*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 12 -2.1 9.9
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.83 +0.040 0.87
SLD_2004_I630327 91.2 3.3 +0.40 3.7
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 7.4 0 7.4
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.76 0 0.76
DELPHI_1996_I424112 91.2 0.36 0 0.36
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.65 +0.27 0.92
ALEPH_2004_I636645 [133..206] 0.70 +0.010 0.71
DELPHI_1996_I424112 91.2 0.39 +0.28 0.67

* 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.