Generator / tune

Details for Pythia 6.427 364 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 1.2 -0.100 1.1
ALEPH_2004_I636645 [91.2..206] 0.49* +0.020 0.51*
DELPHI_1996_I424112 91.2 0.84 -0.010 0.83
OPAL_2004_I669402 [91.2..197] 0.63 +0.12 0.75
C parameter
ALEPH_1996_I428072 91.2 0.50 +0.11 0.61
ALEPH_2004_I636645 [91.2..206] 0.77* -0.030 0.74*
DELPHI_1996_I424112 91.2 0.58 +0.52 1.1
OPAL_2004_I669402 [91.2..197] 1.0 0 1.0
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.7 +0.30 2.0
OPAL_2004_I669402 [91.2..197] 0.88 +0.090 0.97
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.28 -0.070 0.21
ALEPH_2004_I636645 [91.2..206] 0.49* -0.26 0.23*
DELPHI_1996_I424112 91.2 0.57 -0.23 0.34
OPAL_2004_I669402 [91.2..197] 1.3 0 1.3
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.56 +0.25 0.81
OPAL_2004_I669402 [91.2..197] 1.7 +0.10 1.8
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] 0.80* +0.020 0.82*
DELPHI_1996_I424112 91.2 0.58 -0.36 0.22
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 1.00* -0.47 0.53*
DELPHI_1996_I424112 91.2 0.87 -0.30 0.57
Sphericity
ALEPH_1996_I428072 91.2 0.42 -0.22 0.20
ALEPH_2004_I636645 [91.2..206] 0.53* +0.050 0.58*
DELPHI_1996_I424112 91.2 0.59 -0.21 0.38
OPAL_2004_I669402 [91.2..197] 0.68 -0.040 0.64
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.4* -0.59 0.81*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.92* -0.34 0.58*
DELPHI_1996_I424112 91.2 1.2 -0.46 0.74
OPAL_2004_I669402 [91.2..197] 0.65 -0.11 0.54
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.4 +0.10 1.5
ALEPH_2004_I636645 [91.2..206] 1.0* -0.17 0.83*
DELPHI_1996_I424112 91.2 1.8 -0.10 1.7
OPAL_2004_I669402 [91.2..197] 1.1 +0.100 1.2
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] 0.38* +0.62 1.0*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.21 -0.060 0.15
ALEPH_2004_I636645 [91.2..206] 0.68* -0.15 0.53*
OPAL_2004_I669402 [91.2..197] 0.60 -0.010 0.59
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] 0.46* -0.020 0.44*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.66* -0.050 0.61*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.89* -0.020 0.87*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.6 0 1.6
OPAL_2003_I599181 91.2 2.9 +1.0 3.9
SLD_2002_I582951 91.2 0.32 +0.030 0.35
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] 0.67* -0.37 0.30*
DELPHI_1996_I424112 91.2 0.96 -0.21 0.75
OPAL_2004_I669402 [91.2..197] 0.67 -0.050 0.62
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.66* -0.11 0.55*
DELPHI_1996_I424112 91.2 0.95 -0.12 0.83
OPAL_2004_I669402 [91.2..197] 0.82 -0.11 0.71
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.34 +0.19 0.53
OPAL_2004_I669402 [91.2..197] 0.66 -0.010 0.65
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.63 -0.23 0.40
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 0 13
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 14 0 14
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 18 +1.0 19
EEC
DELPHI_1996_I424112 91.2 0.17 +0.10 0.27
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.82 -0.090 0.73
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 2.0 0 2.0
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 0.041 +0.012 0.053
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.11 +0.020 0.13
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 17 +1.0 18
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 8.1 +5.9 14
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 2.5 -0.20 2.3
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 2.6 +0.20 2.8
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.9 -0.40 1.5
DELPHI_1996_I424112 91.2 2.5 -0.30 2.2
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 2.2 -0.40 1.8
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.7 +0.10 1.8
DELPHI_1996_I424112 91.2 2.0 +0.40 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.9 +0.40 2.3
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.68 -0.21 0.47
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.3 -0.44 0.86
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 10 0 10
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 24 +3.0 27
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 54* -1.0 53*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.5* -1.0 0.48*
DELPHI_1996_I424112 91.2 0.73 -0.45 0.28
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.5* -0.90 3.6*
DELPHI_1996_I424112 91.2 0.65 -0.16 0.49
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.5* +2.2 3.7*
DELPHI_1996_I424112 91.2 1.3 +0.40 1.7
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* +0.20 4.0*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.7* 0 3.7*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.1 -0.40 1.7
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.8 +0.10 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 9.8 0 9.8
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.98 -0.49 0.49
ALEPH_2004_I636645 [91.2..206] 1.4* -0.50 0.90*
DELPHI_1996_I424112 91.2 1.3 -0.70 0.60
OPAL_2004_I669402 [91.2..197] 0.63 -0.16 0.47
1-Thrust
ALEPH_1996_I428072 91.2 0.57 +0.21 0.78
DELPHI_1996_I424112 91.2 0.69 +0.070 0.76
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
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 0.56 +0.23 0.79
ALEPH_2004_I636645 [133..206] 0.60* +0.020 0.62*
DELPHI_1996_I424112 91.2 1.2 +0.40 1.6
OPAL_1998_I472637 91.2 0.56* +0.040 0.60*
SLD_2004_I630327 91.2 2.6* +0.20 2.8*
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 7.2 +1.00 8.2
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.61* +0.020 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 3.1 0 3.1
SLD_2004_I630327 91.2 8.9* +0.100 9.0*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
OPAL_1993_I342766 91.2 31 +1.0 32
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 14 +1.0 15
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 49 +3.0 52
DELPHI_1995_I394716 91.2 0.13 -0.043 0.087
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 7.7 +1.5 9.2
DELPHI_1995_I394716 91.2 0.32 -0.16 0.16
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 81 -11 70
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 13 +2.0 15
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 19 -6.0 13
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 8.0 +2.0 10
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.37 +0.17 0.54
ALEPH_2004_I636645 [133..206] 0.67* -0.040 0.63*
DELPHI_1996_I424112 91.2 0.77 +0.12 0.89
OPAL_1998_I472637 91.2 0.69* +0.050 0.74*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.1 -0.10 1.0
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.3 -0.10 1.2
SLD_2004_I630327 91.2 7.0* +9.0 16*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.2 0 3.2
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.59 -0.060 0.53
SLD_2004_I630327 91.2 2.3* +0.50 2.8*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.9 -0.10 2.8
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.88* -0.080 0.80*
DELPHI_1996_I424112 91.2 0.20 -0.010 0.19
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.51 -0.21 0.30
ALEPH_2004_I636645 [133..206] 0.75* -0.26 0.49*
DELPHI_1996_I424112 91.2 0.24 -0.050 0.19

* 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.