Generator / tune

Details for Pythia 6.427 370 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 1.5
ALEPH_2004_I636645 [91.2..206] 0.67* -0.010 0.66*
DELPHI_1996_I424112 91.2 1.1 +0.20 1.3
OPAL_2004_I669402 [91.2..197] 1.0 -0.100 0.90
C parameter
ALEPH_1996_I428072 91.2 0.63 -0.050 0.58
ALEPH_2004_I636645 [91.2..206] 0.70* +0.080 0.78*
DELPHI_1996_I424112 91.2 0.82 -0.100 0.72
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 1.8 +0.30 2.1
OPAL_2004_I669402 [91.2..197] 0.96 0 0.96
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.30 -0.060 0.24
ALEPH_2004_I636645 [91.2..206] 0.23* 0 0.23*
DELPHI_1996_I424112 91.2 0.58 -0.26 0.32
OPAL_2004_I669402 [91.2..197] 1.5 +0.20 1.7
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.80 +0.11 0.91
OPAL_2004_I669402 [91.2..197] 1.9 +0.10 2.0
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] 0.82* -0.030 0.79*
DELPHI_1996_I424112 91.2 0.44 -0.22 0.22
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.51* -0.010 0.50*
DELPHI_1996_I424112 91.2 0.91 -0.080 0.83
Sphericity
ALEPH_1996_I428072 91.2 0.43 -0.080 0.35
ALEPH_2004_I636645 [91.2..206] 0.47* +0.12 0.59*
DELPHI_1996_I424112 91.2 0.61 -0.20 0.41
OPAL_2004_I669402 [91.2..197] 0.73 0 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] 0.80* -0.030 0.77*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.50* +0.080 0.58*
DELPHI_1996_I424112 91.2 0.61 +0.030 0.64
OPAL_2004_I669402 [91.2..197] 0.75 -0.14 0.61
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 +0.40 1.9
ALEPH_2004_I636645 [91.2..206] 0.83* +0.010 0.84*
DELPHI_1996_I424112 91.2 1.9 +0.50 2.4
OPAL_2004_I669402 [91.2..197] 1.5 -0.20 1.3
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] 0.51* +0.59 1.1*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.46 -0.33 0.13
ALEPH_2004_I636645 [91.2..206] 0.47* -0.050 0.42*
OPAL_2004_I669402 [91.2..197] 0.58 +0.040 0.62
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] 0.48* +0.060 0.54*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.65* +0.010 0.66*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.80* -0.030 0.77*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.5 +0.20 1.7
OPAL_2003_I599181 91.2 4.2 -0.50 3.7
SLD_2002_I582951 91.2 0.23 -0.070 0.16
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* +0.050 0.27*
DELPHI_1996_I424112 91.2 0.56 -0.020 0.54
OPAL_2004_I669402 [91.2..197] 0.68 -0.020 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] 0.44* +0.14 0.58*
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 0.53 +0.020 0.55
OPAL_2004_I669402 [91.2..197] 0.85 -0.090 0.76
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.32 +0.14 0.46
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 n/a - 11
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 16 +3.0 19
EEC
DELPHI_1996_I424112 91.2 0.22 +0.010 0.23
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.90 -0.26 0.64
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 1.4 0 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 0.031 +0.0010 0.032
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.16 0 0.16
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 24 0 24
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 31 -13 18
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 5.7 +0.40 6.1
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 2.6 -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 1.6 -0.30 1.3
DELPHI_1996_I424112 91.2 2.2 -0.30 1.9
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 1.8 0 1.8
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 2.1 -0.70 1.4
DELPHI_1996_I424112 91.2 2.5 -0.80 1.7
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 2.2 -0.40 1.8
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.30 +0.34 0.64
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.48 +0.62 1.1
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 27 -1.0 26
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] 0.65* -0.070 0.58*
DELPHI_1996_I424112 91.2 0.36 +0.11 0.47
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.7* +0.20 3.9*
DELPHI_1996_I424112 91.2 0.79 -0.37 0.42
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.5* 0 1.5*
DELPHI_1996_I424112 91.2 1.7 +0.30 2.0
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.1* -0.100 5.0*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* -1.7 2.4*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.9 +0.40 2.3
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.8 +0.30 5.1
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 48 - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 9.5 +0.30 9.8
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.1 0 1.1
ALEPH_2004_I636645 [91.2..206] 0.84* +0.11 0.95*
DELPHI_1996_I424112 91.2 1.4 -0.20 1.2
OPAL_2004_I669402 [91.2..197] 0.65 +0.040 0.69
1-Thrust
ALEPH_1996_I428072 91.2 0.83 -0.15 0.68
DELPHI_1996_I424112 91.2 0.80 -0.17 0.63
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 0.29 +0.040 0.33
ALEPH_2004_I636645 [133..206] 0.59* +0.020 0.61*
DELPHI_1996_I424112 91.2 0.71 -0.11 0.60
OPAL_1998_I472637 91.2 1.7 0 1.7
SLD_2004_I630327 91.2 2.0 -0.30 1.7
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 4.2 +0.60 4.8
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.60* +0.030 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.8 +0.100 1.9
SLD_2004_I630327 91.2 9.5* -0.60 8.9*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.2 +0.10 1.3
OPAL_1993_I342766 91.2 36 -2.0 34
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 2.5 -0.10 2.4
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 11 -1.0 10
DELPHI_1995_I394716 91.2 12 -2.0 10
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 5.2 +1.8 7.0
DELPHI_1995_I394716 91.2 3.8 +0.20 4.0
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 2.5 -0.60 1.9
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 11 +3.0 14
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 n/a - 14
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 8.5 -0.100 8.4
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.31 -0.020 0.29
ALEPH_2004_I636645 [133..206] 0.64* -0.010 0.63*
DELPHI_1996_I424112 91.2 0.35 +0.070 0.42
OPAL_1998_I472637 91.2 1.5 +0.10 1.6
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.8 -0.20 1.6
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.2 +0.20 1.4
SLD_2004_I630327 91.2 13* +6.0 19*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.2 -0.10 3.1
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.60 -0.010 0.59
SLD_2004_I630327 91.2 2.1 +0.10 2.2
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.0 0 2.0
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.72* -0.040 0.68*
DELPHI_1996_I424112 91.2 0.21 -0.070 0.14
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.28 +0.070 0.35
ALEPH_2004_I636645 [133..206] 0.39* +0.050 0.44*
DELPHI_1996_I424112 91.2 0.15 +0.030 0.18

* 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.