Generator / tune

Details for Pythia 6.427 349 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 0.93 -0.15 0.78
ALEPH_2004_I636645 [91.2..206] 1.2* -0.77 0.43*
DELPHI_1996_I424112 91.2 0.62 -0.030 0.59
OPAL_2004_I669402 [91.2..197] 0.44 +0.010 0.45
C parameter
ALEPH_1996_I428072 91.2 0.45 -0.020 0.43
ALEPH_2004_I636645 [91.2..206] 1.0* -0.30 0.70*
DELPHI_1996_I424112 91.2 0.70 +0.12 0.82
OPAL_2004_I669402 [91.2..197] 0.99 +0.010 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 1.6 0 1.6
OPAL_2004_I669402 [91.2..197] 0.89 -0.040 0.85
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.15 -0.0100 0.14
ALEPH_2004_I636645 [91.2..206] 0.67* -0.41 0.26*
DELPHI_1996_I424112 91.2 0.23 -0.050 0.18
OPAL_2004_I669402 [91.2..197] 1.1 0 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 0.78 -0.16 0.62
OPAL_2004_I669402 [91.2..197] 1.5 +0.10 1.6
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] 0.65* +0.16 0.81*
DELPHI_1996_I424112 91.2 0.22 +0.040 0.26
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.95* -0.40 0.55*
DELPHI_1996_I424112 91.2 0.99 -0.12 0.87
Sphericity
ALEPH_1996_I428072 91.2 0.29 -0.020 0.27
ALEPH_2004_I636645 [91.2..206] 0.89* -0.34 0.55*
DELPHI_1996_I424112 91.2 0.47 -0.0100 0.46
OPAL_2004_I669402 [91.2..197] 0.70 0 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] 1.0* -0.27 0.73*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.1* -0.40 0.70*
DELPHI_1996_I424112 91.2 1.1 +0.20 1.3
OPAL_2004_I669402 [91.2..197] 0.55 -0.060 0.49
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.3 -0.10 1.2
ALEPH_2004_I636645 [91.2..206] 1.5* -0.76 0.74*
DELPHI_1996_I424112 91.2 2.0 -0.10 1.9
OPAL_2004_I669402 [91.2..197] 1.1 -0.13 0.97
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] 1.4* -0.52 0.88*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - 0.14
ALEPH_2004_I636645 [91.2..206] 0.52* 0 0.52*
OPAL_2004_I669402 [91.2..197] 0.52 +0.060 0.58
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] 0.50* -0.040 0.46*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.65* -0.010 0.64*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.98* +0.12 1.1*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 3.6 +0.10 3.7
OPAL_2003_I599181 91.2 3.2 +0.50 3.7
SLD_2002_I582951 91.2 1.3 -0.10 1.2
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 1.1 +0.100 1.2
OPAL_2004_I669402 [91.2..197] 0.72 +0.010 0.73
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.64* -0.090 0.55*
DELPHI_1996_I424112 91.2 0.80 +0.19 0.99
OPAL_2004_I669402 [91.2..197] 0.91 -0.070 0.84
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.72 -0.13 0.59
OPAL_2004_I669402 [91.2..197] 0.67 +0.010 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 0.34 +0.070 0.41
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 n/a - 14
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 14 -2.0 12
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 17 +1.0 18
EEC
DELPHI_1996_I424112 91.2 0.19 -0.060 0.13
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.68 +0.11 0.79
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 2.2 -0.10 2.1
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 0.083 +0.0020 0.085
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.10 -0.010 0.090
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 7.8 -0.20 7.6
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 20 -11 8.6
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 3.1 -0.20 2.9
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 -0.20 1.7
DELPHI_1996_I424112 91.2 2.5 -0.20 2.3
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 2.1 -0.30 1.8
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.5 +0.20 1.7
DELPHI_1996_I424112 91.2 1.9 +0.40 2.3
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 1.7 - n/a
DELPHI_1996_I424112 91.2 1.6 +0.70 2.3
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.75 -0.13 0.62
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.9 -0.80 1.1
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 9.5 +0.100 9.6
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 23 +2.0 25
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 54* +1.0 55*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.1* -0.59 0.51*
DELPHI_1996_I424112 91.2 0.36 +0.030 0.39
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.8* +0.20 3.0*
DELPHI_1996_I424112 91.2 0.55 -0.31 0.24
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.9* +0.30 3.2*
DELPHI_1996_I424112 91.2 1.2 +0.10 1.3
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -0.60 3.2*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.4* -0.10 3.3*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.1 -0.60 1.5
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.6 0 4.6
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 8.3 +0.80 9.1
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.59 +0.040 0.63
ALEPH_2004_I636645 [91.2..206] 0.64* +0.20 0.84*
DELPHI_1996_I424112 91.2 0.82 +0.010 0.83
OPAL_2004_I669402 [91.2..197] 0.48 +0.090 0.57
1-Thrust
ALEPH_1996_I428072 91.2 0.44 +0.060 0.50
DELPHI_1996_I424112 91.2 0.58 +0.030 0.61
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
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 0.48 -0.060 0.42
ALEPH_2004_I636645 [133..206] 0.69* -0.060 0.63*
DELPHI_1996_I424112 91.2 1.1 -0.21 0.89
OPAL_1998_I472637 91.2 1.5 0 1.5
SLD_2004_I630327 91.2 2.8 -1.00 1.8
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 6.1 +1.5 7.6
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.70* -0.050 0.65*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 3.5 -0.10 3.4
SLD_2004_I630327 91.2 10* -2.5 7.5
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
OPAL_1993_I342766 91.2 29 +2.0 31
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 12 0 12
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 33 +6.0 39
DELPHI_1995_I394716 91.2 0.41 0 0.41
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.6 -2.9 3.7
DELPHI_1995_I394716 91.2 0.22 +0.24 0.46
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 63 -10 53
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 15 -1.0 14
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 18 -1.0 17
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 8.1 +0.90 9.0
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.34 +0.040 0.38
ALEPH_2004_I636645 [133..206] 0.91* -0.22 0.69*
DELPHI_1996_I424112 91.2 0.65 -0.080 0.57
OPAL_1998_I472637 91.2 1.4 0 1.4
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.3 -0.40 0.90
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.3 -0.10 1.2
SLD_2004_I630327 91.2 14* -8.7 5.3*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.4 -0.20 3.2
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.49 +0.030 0.52
SLD_2004_I630327 91.2 2.1 0 2.1
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.7 -0.10 2.6
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.81* -0.090 0.72*
DELPHI_1996_I424112 91.2 0.18 -0.030 0.15
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.82 -0.33 0.49
ALEPH_2004_I636645 [133..206] 0.71* -0.24 0.47*
DELPHI_1996_I424112 91.2 0.47 -0.16 0.31

* 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.