Generator / tune

Details for Pythia 6.427 374 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 1.5 -0.10 1.4
ALEPH_2004_I636645 [91.2..206] 0.60* 0 0.60*
DELPHI_1996_I424112 91.2 1.1 -0.18 0.92
OPAL_2004_I669402 [91.2..197] 0.98 +0.020 1.0
C parameter
ALEPH_1996_I428072 91.2 0.64 -0.020 0.62
ALEPH_2004_I636645 [91.2..206] 0.74* -0.020 0.72*
DELPHI_1996_I424112 91.2 0.89 +0.040 0.93
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.0 -0.20 1.8
OPAL_2004_I669402 [91.2..197] 0.98 0 0.98
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.28 -0.040 0.24
ALEPH_2004_I636645 [91.2..206] 0.22* 0 0.22*
DELPHI_1996_I424112 91.2 0.37 +0.070 0.44
OPAL_2004_I669402 [91.2..197] 1.5 0 1.5
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 +0.090 0.99
OPAL_2004_I669402 [91.2..197] 2.1 0 2.1
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] 0.83* 0 0.83*
DELPHI_1996_I424112 91.2 0.32 +0.11 0.43
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.49* +0.020 0.51*
DELPHI_1996_I424112 91.2 0.59 0 0.59
Sphericity
ALEPH_1996_I428072 91.2 0.24 +0.12 0.36
ALEPH_2004_I636645 [91.2..206] 0.57* +0.030 0.60*
DELPHI_1996_I424112 91.2 0.34 +0.100 0.44
OPAL_2004_I669402 [91.2..197] 0.65 +0.080 0.73
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.82* -0.12 0.70*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.53* +0.070 0.60*
DELPHI_1996_I424112 91.2 0.41 +0.14 0.55
OPAL_2004_I669402 [91.2..197] 0.61 +0.050 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 1.7 -0.30 1.4
ALEPH_2004_I636645 [91.2..206] 0.85* -0.050 0.80*
DELPHI_1996_I424112 91.2 2.0 -0.20 1.8
OPAL_2004_I669402 [91.2..197] 1.4 +0.10 1.5
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] 0.35* +0.060 0.41*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.24 +0.010 0.25
ALEPH_2004_I636645 [91.2..206] 0.48* -0.010 0.47*
OPAL_2004_I669402 [91.2..197] 0.58 +0.020 0.60
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] 0.52* 0 0.52*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.67* 0 0.67*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.78* +0.040 0.82*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.6 0 1.6
OPAL_2003_I599181 91.2 3.6 +0.60 4.2
SLD_2002_I582951 91.2 0.16 +0.060 0.22
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] 0.22* +0.010 0.23*
DELPHI_1996_I424112 91.2 0.48 +0.11 0.59
OPAL_2004_I669402 [91.2..197] 0.65 +0.020 0.67
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.48* +0.040 0.52*
DELPHI_1996_I424112 91.2 0.38 +0.16 0.54
OPAL_2004_I669402 [91.2..197] 0.67 +0.070 0.74
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.48 -0.060 0.42
OPAL_2004_I669402 [91.2..197] 0.83 +0.020 0.85
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 -0.030 0.46
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 14 -3.0 11
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 14 +2.0 16
EEC
DELPHI_1996_I424112 91.2 0.28 -0.070 0.21
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.92 +0.030 0.95
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 +0.100 1.4
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 0.033 +0.0040 0.037
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.15 +0.030 0.18
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 23 +3.0 26
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 16 +8.0 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 5.8 +0.40 6.2
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 2.5 +0.10 2.6
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.4 +0.30 1.7
DELPHI_1996_I424112 91.2 2.1 +0.30 2.4
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 1.7 +0.60 2.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.8 +0.50 2.3
DELPHI_1996_I424112 91.2 2.2 +0.70 2.9
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 2.3 +0.30 2.6
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.50 +0.16 0.66
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.76 +0.23 0.99
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 -1.0 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 30 -5.0 25
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 52* +2.0 54*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.61* +0.010 0.62*
DELPHI_1996_I424112 91.2 0.27 +0.020 0.29
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.9* -0.10 3.8*
DELPHI_1996_I424112 91.2 0.49 +0.11 0.60
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* -0.30 3.8*
DELPHI_1996_I424112 91.2 1.9 -0.20 1.7
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.3* -0.30 5.0*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.9* +0.10 4.0*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.8 +0.30 2.1
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.3 +0.10 5.4
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 8.6 0 8.6
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.82 +0.030 0.85
ALEPH_2004_I636645 [91.2..206] 0.89* +0.050 0.94*
DELPHI_1996_I424112 91.2 0.87 +0.23 1.1
OPAL_2004_I669402 [91.2..197] 0.51 +0.070 0.58
1-Thrust
ALEPH_1996_I428072 91.2 0.83 -0.080 0.75
DELPHI_1996_I424112 91.2 0.85 -0.18 0.67
OPAL_2004_I669402 [91.2..197] 1.4 0 1.4
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 0.26 0 0.26
ALEPH_2004_I636645 [133..206] 0.61* -0.020 0.59*
DELPHI_1996_I424112 91.2 0.63 +0.12 0.75
OPAL_1998_I472637 91.2 0.48* +0.030 0.51*
SLD_2004_I630327 91.2 2.0* +3.1 5.1
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 4.5 +0.60 5.1
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.62* -0.010 0.61*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.9 -0.100 1.8
SLD_2004_I630327 91.2 9.6* +0.40 10
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.2 -0.100 1.1
OPAL_1993_I342766 91.2 36 -1.0 35
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 2.6 -0.50 2.1
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 11 -1.0 10
DELPHI_1995_I394716 91.2 12 0 12
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.6 -1.1 5.5
DELPHI_1995_I394716 91.2 4.0 +0.30 4.3
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 2.6 0 2.6
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 10 +2.0 12
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 12 - n/a
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.9 -2.1 7.8
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.27 +0.010 0.28
ALEPH_2004_I636645 [133..206] 0.65* -0.030 0.62*
DELPHI_1996_I424112 91.2 0.40 +0.070 0.47
OPAL_1998_I472637 91.2 0.54* +0.080 0.62*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.6 +0.40 2.0
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.3 +0.20 1.5
SLD_2004_I630327 91.2 16* -7.2 8.8*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.2 -0.30 2.9
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.57 -0.020 0.55
SLD_2004_I630327 91.2 2.3* +0.20 2.5*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 1.8 +0.100 1.9
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.62* +0.060 0.68*
DELPHI_1996_I424112 91.2 0.16 -0.030 0.13
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.31 -0.080 0.23
ALEPH_2004_I636645 [133..206] 0.41* -0.0100 0.40*
DELPHI_1996_I424112 91.2 0.16 -0.020 0.14

* 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.