Generator / tune

Details for Pythia 6.426 350 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 1.9 0 1.9
ALEPH_2004_I636645 [91.2..206] 1.7* -0.97 0.73*
DELPHI_1996_I424112 91.2 1.4 0 1.4
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
C parameter
ALEPH_1996_I428072 91.2 0.68 +0.050 0.73
ALEPH_2004_I636645 [91.2..206] 1.2* -0.36 0.84*
DELPHI_1996_I424112 91.2 0.80 +0.40 1.2
OPAL_2004_I669402 [91.2..197] 1.4 0 1.4
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.4 +0.40 2.8
OPAL_2004_I669402 [91.2..197] 1.1 +0.100 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.30 +0.030 0.33
ALEPH_2004_I636645 [91.2..206] 0.78* -0.56 0.22*
DELPHI_1996_I424112 91.2 0.53 0 0.53
OPAL_2004_I669402 [91.2..197] 1.7 +0.20 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 1.2 +0.30 1.5
OPAL_2004_I669402 [91.2..197] 2.3 +0.20 2.5
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] 0.62* +0.16 0.78*
DELPHI_1996_I424112 91.2 0.41 -0.080 0.33
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.92* -0.41 0.51*
DELPHI_1996_I424112 91.2 1.0 -0.22 0.78
Sphericity
ALEPH_1996_I428072 91.2 0.46 -0.13 0.33
ALEPH_2004_I636645 [91.2..206] 0.92* -0.44 0.48*
DELPHI_1996_I424112 91.2 0.56 -0.16 0.40
OPAL_2004_I669402 [91.2..197] 0.74 -0.030 0.71
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.1* -0.30 0.80*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.0* -0.51 0.49*
DELPHI_1996_I424112 91.2 0.68 -0.10 0.58
OPAL_2004_I669402 [91.2..197] 0.78 -0.040 0.74
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.3 +0.20 2.5
ALEPH_2004_I636645 [91.2..206] 1.9* -1.1 0.83*
DELPHI_1996_I424112 91.2 2.4 +0.50 2.9
OPAL_2004_I669402 [91.2..197] 1.9 -0.20 1.7
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] 0.75* +0.65 1.4*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.41 +0.030 0.44
ALEPH_2004_I636645 [91.2..206] 0.46* +0.0100 0.47*
OPAL_2004_I669402 [91.2..197] 0.65 0 0.65
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] 0.55* +0.030 0.58*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.77* -0.11 0.66*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.85* -0.14 0.71*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.8 +0.20 2.0
OPAL_2003_I599181 91.2 5.0 +0.70 5.7
SLD_2002_I582951 91.2 0.52 +0.010 0.53
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] 0.79* -0.59 0.20*
DELPHI_1996_I424112 91.2 0.41 +0.25 0.66
OPAL_2004_I669402 [91.2..197] 0.71 +0.050 0.76
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.68* -0.23 0.45*
DELPHI_1996_I424112 91.2 0.48 -0.020 0.46
OPAL_2004_I669402 [91.2..197] 0.73 +0.030 0.76
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.82 -0.11 0.71
OPAL_2004_I669402 [91.2..197] 0.99 +0.010 1.00
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.49 -0.15 0.34
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 +1.0 14
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 15 -2.0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 n/a - n/a
EEC
DELPHI_1996_I424112 91.2 0.29 +0.070 0.36
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.0 0 1.0
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 1.3 -0.10 1.2
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 0.079 +0.0040 0.083
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.21 -0.0100 0.20
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 24 -1.0 23
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 29 -13 16
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 8.5 -0.20 8.3
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 1.9 -0.30 1.6
DELPHI_1996_I424112 91.2 2.3 0 2.3
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* -0.100 1.1*
DELPHI_1996_I424112 91.2 1.7 +0.20 1.9
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.6 +0.60 2.2
DELPHI_1996_I424112 91.2 1.9 +0.50 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 2.2 - n/a
DELPHI_1996_I424112 91.2 2.0 +0.70 2.7
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.47 -0.050 0.42
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.60 +0.22 0.82
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 +1.0 13
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 34 0 34
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 52* +1.0 53*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.64* +0.040 0.68*
DELPHI_1996_I424112 91.2 0.33 -0.090 0.24
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* 0 4.1*
DELPHI_1996_I424112 91.2 0.78 +0.020 0.80
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* 0 4.4*
DELPHI_1996_I424112 91.2 2.3 +0.30 2.6
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.7* +0.20 5.9*
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 2.1 -0.10 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.7 -0.80 4.9
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 13 -1.0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.3 -0.40 0.90
ALEPH_2004_I636645 [91.2..206] 0.58* +0.31 0.89*
DELPHI_1996_I424112 91.2 1.8 -0.60 1.2
OPAL_2004_I669402 [91.2..197] 0.75 -0.060 0.69
1-Thrust
ALEPH_1996_I428072 91.2 0.94 +0.060 1.0
DELPHI_1996_I424112 91.2 0.89 0 0.89
OPAL_2004_I669402 [91.2..197] 1.6 +0.100 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 0.33 -0.060 0.27
ALEPH_2004_I636645 [133..206] 0.67* -0.060 0.61*
DELPHI_1996_I424112 91.2 0.52 -0.11 0.41
OPAL_1998_I472637 91.2 1.6 0 1.6
SLD_2004_I630327 91.2 5.4 -3.5 1.9
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 3.5 +0.60 4.1
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.68* -0.060 0.62*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.8 +0.20 2.0
SLD_2004_I630327 91.2 12* -2.4 9.6
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 3.6 +0.10 3.7
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 8.5 +2.5 11
DELPHI_1995_I394716 91.2 12 0 12
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 5.8 -0.90 4.9
DELPHI_1995_I394716 91.2 3.3 -1.0 2.3
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 4.1 -1.00 3.1
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 21 +4.0 25
L3_1992_I336180 91.2 1.9 0 1.9
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 21 +3.0 24
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 11 -1.0 10
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.27 +0.010 0.28
ALEPH_2004_I636645 [133..206] 0.84* -0.18 0.66*
DELPHI_1996_I424112 91.2 0.40 -0.070 0.33
OPAL_1998_I472637 91.2 1.8* -0.30 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 2.2 -0.30 1.9
SLD_2004_I630327 91.2 14* -2.0 12*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.0 -0.10 2.9
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.50 +0.030 0.53
SLD_2004_I630327 91.2 3.2 -0.60 2.6
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.1 -0.10 2.0
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.75* -0.17 0.58*
DELPHI_1996_I424112 91.2 0.14 +0.040 0.18
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.20 +0.13 0.33
ALEPH_2004_I636645 [133..206] 0.71* -0.34 0.37*
DELPHI_1996_I424112 91.2 0.26 -0.050 0.21

* 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.