Generator / tune

Details for Pythia 6.426 dw vs. 6.427

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Aplanarity
ALEPH_1996_I428072 91.2 2.5 +0.60 3.1
ALEPH_2004_I636645 [91.2..206] 0.73* +0.050 0.78*
DELPHI_1996_I424112 91.2 1.8 +1.00 2.8
OPAL_2004_I669402 [91.2..197] 0.95 +0.050 1.0
C parameter
ALEPH_1996_I428072 91.2 0.56 +0.40 0.96
ALEPH_2004_I636645 [91.2..206] 0.92* 0 0.92*
DELPHI_1996_I424112 91.2 0.31 +0.46 0.77
OPAL_2004_I669402 [91.2..197] 0.61 +0.030 0.64
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.2 +0.50 1.7
OPAL_2004_I669402 [91.2..197] 1.1 +0.100 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.25 -0.11 0.14
ALEPH_2004_I636645 [91.2..206] 0.35* +0.020 0.37*
DELPHI_1996_I424112 91.2 0.24 +0.11 0.35
OPAL_2004_I669402 [91.2..197] 1.2 -0.100 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 0.90 -0.21 0.69
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] 1.0* -0.080 0.92*
DELPHI_1996_I424112 91.2 0.18 -0.030 0.15
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.37* +0.010 0.38*
DELPHI_1996_I424112 91.2 0.40 -0.040 0.36
Sphericity
ALEPH_1996_I428072 91.2 0.50 +0.35 0.85
ALEPH_2004_I636645 [91.2..206] 0.32* +0.100 0.42*
DELPHI_1996_I424112 91.2 0.42 +0.13 0.55
OPAL_2004_I669402 [91.2..197] 0.69 +0.010 0.70
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 0.87*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.40* +0.020 0.42*
DELPHI_1996_I424112 91.2 0.37 +0.080 0.45
OPAL_2004_I669402 [91.2..197] 0.67 0 0.67
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.5 +0.70 2.2
ALEPH_2004_I636645 [91.2..206] 0.65* +0.090 0.74*
DELPHI_1996_I424112 91.2 1.1 +0.30 1.4
OPAL_2004_I669402 [91.2..197] 1.0 0 1.0
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] 0.27* +0.21 0.48*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.62 +0.13 0.75
ALEPH_2004_I636645 [91.2..206] 0.35* +0.050 0.40*
OPAL_2004_I669402 [91.2..197] 0.73 -0.020 0.71
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] 0.56* +0.030 0.59*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.91* +0.010 0.92*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.96* +0.14 1.1*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.9 0 5.9
OPAL_2003_I599181 91.2 7.9 +0.30 8.2
SLD_2002_I582951 91.2 2.6 +0.10 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] 0.24* +0.040 0.28*
DELPHI_1996_I424112 91.2 0.33 +0.22 0.55
OPAL_2004_I669402 [91.2..197] 0.65 +0.010 0.66
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.46* +0.14 0.60*
DELPHI_1996_I424112 91.2 0.30 0 0.30
OPAL_2004_I669402 [91.2..197] 0.54 -0.060 0.48
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.63 +0.17 0.80
OPAL_2004_I669402 [91.2..197] 0.75 -0.070 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 0.37 +0.11 0.48
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 n/a - 8.9
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 18 -1.0 17
EEC
DELPHI_1996_I424112 91.2 0.13 0 0.13
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.9 -0.100 1.8
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 3.9 +0.30 4.2
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 0.11 +0.0100 0.12
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.17 +0.050 0.22
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 15 +4.0 19
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 23 +1.0 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 13 0 13
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 2.4 +0.10 2.5
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.3 -0.30 1.0
DELPHI_1996_I424112 91.2 2.0 -0.20 1.8
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.0* +0.10 1.1*
DELPHI_1996_I424112 91.2 1.1 0 1.1
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 11 +2.0 13
DELPHI_1996_I424112 91.2 13 +1.0 14
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 13 +2.0 15
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.1 -0.25 0.85
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.66 -0.12 0.54
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 0 12
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] 48* +2.0 50*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.88* -0.19 0.69*
DELPHI_1996_I424112 91.2 0.36 -0.020 0.34
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.4* -0.20 5.2*
DELPHI_1996_I424112 91.2 2.1 +0.10 2.2
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3* -0.10 1.2*
DELPHI_1996_I424112 91.2 3.4 -0.10 3.3
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.7* +0.40 5.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* -0.60 1.1*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.7 +0.20 1.9
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 2.5 -0.40 2.1
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 43 -13 30
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 17 -1.0 16
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.75 -0.030 0.72
ALEPH_2004_I636645 [91.2..206] 0.36* +0.080 0.44*
DELPHI_1996_I424112 91.2 0.67 +0.020 0.69
OPAL_2004_I669402 [91.2..197] 0.78 -0.080 0.70
1-Thrust
ALEPH_1996_I428072 91.2 0.22 +0.11 0.33
DELPHI_1996_I424112 91.2 0.21 +0.12 0.33
OPAL_2004_I669402 [91.2..197] 0.67 -0.010 0.66
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 1.3 +0.40 1.7
ALEPH_2004_I636645 [133..206] 0.60* -0.010 0.59*
DELPHI_1996_I424112 91.2 2.0 +0.40 2.4
OPAL_1998_I472637 91.2 1.7 +0.20 1.9
SLD_2004_I630327 91.2 2.6 +1.0 3.6
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 16 -1.0 15
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.62* -0.020 0.60*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 4.9 -0.20 4.7
SLD_2004_I630327 91.2 8.8* +3.2 12*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 8.0 -0.30 7.7
OPAL_1993_I342766 91.2 45 -1.0 44
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 4.4 +0.100 4.5
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 18 -2.0 16
DELPHI_1995_I394716 91.2 16 -2.0 14
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 2.4 +1.2 3.6
DELPHI_1995_I394716 91.2 0.76 -0.15 0.61
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 19 +2.0 21
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 15 +2.0 17
L3_1992_I336180 91.2 0.98 -0.010 0.97
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 37 +1.0 38
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 11 +2.0 13
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 1.1 +0.30 1.4
ALEPH_2004_I636645 [133..206] 0.67* +0.010 0.68*
DELPHI_1996_I424112 91.2 1.2 +0.20 1.4
OPAL_1998_I472637 91.2 0.91* +0.79 1.7
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 5.4 0 5.4
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.6 -0.10 2.5
SLD_2004_I630327 91.2 13* -1.0 12*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 25 -2.0 23
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.47 0 0.47
SLD_2004_I630327 91.2 1.9 +0.40 2.3
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.88 +0.040 0.92
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.67* +0.020 0.69*
DELPHI_1996_I424112 91.2 0.78 +0.14 0.92
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.17 0 0.17
ALEPH_2004_I636645 [133..206] 0.48* -0.010 0.47*
DELPHI_1996_I424112 91.2 0.45 0 0.45

* 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.