Generator / tune

Details for Pythia 6.427 378 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 1.6 -0.10 1.5
ALEPH_2004_I636645 [91.2..206] 0.69* -0.070 0.62*
DELPHI_1996_I424112 91.2 1.5 -0.20 1.3
OPAL_2004_I669402 [91.2..197] 0.98 +0.020 1.0
C parameter
ALEPH_1996_I428072 91.2 0.58 +0.030 0.61
ALEPH_2004_I636645 [91.2..206] 0.87* -0.12 0.75*
DELPHI_1996_I424112 91.2 1.1 -0.31 0.79
OPAL_2004_I669402 [91.2..197] 1.2 +0.10 1.3
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.2 -0.10 2.1
OPAL_2004_I669402 [91.2..197] 0.94 +0.16 1.1
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.19 +0.030 0.22
ALEPH_2004_I636645 [91.2..206] 0.57* -0.29 0.28*
DELPHI_1996_I424112 91.2 0.28 +0.050 0.33
OPAL_2004_I669402 [91.2..197] 1.4 +0.20 1.6
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 -0.34 0.86
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] 0.85* -0.010 0.84*
DELPHI_1996_I424112 91.2 0.44 -0.060 0.38
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 1.0* -0.51 0.49*
DELPHI_1996_I424112 91.2 0.69 -0.23 0.46
Sphericity
ALEPH_1996_I428072 91.2 0.28 -0.040 0.24
ALEPH_2004_I636645 [91.2..206] 0.54* -0.020 0.52*
DELPHI_1996_I424112 91.2 0.34 -0.060 0.28
OPAL_2004_I669402 [91.2..197] 0.64 +0.060 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] 1.6* -0.78 0.82*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.93* -0.37 0.56*
DELPHI_1996_I424112 91.2 0.75 -0.040 0.71
OPAL_2004_I669402 [91.2..197] 0.61 +0.070 0.68
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.9 -0.30 1.6
ALEPH_2004_I636645 [91.2..206] 1.2* -0.37 0.83*
DELPHI_1996_I424112 91.2 2.5 -0.60 1.9
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] 0.15* +1.2 1.3*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - 0.20
ALEPH_2004_I636645 [91.2..206] 0.72* -0.21 0.51*
OPAL_2004_I669402 [91.2..197] 0.56 +0.050 0.61
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] 0.47* +0.030 0.50*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.67* +0.020 0.69*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.74* +0.15 0.89*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.4 +0.40 1.8
OPAL_2003_I599181 91.2 3.7 +0.40 4.1
SLD_2002_I582951 91.2 0.18 +0.060 0.24
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] 0.70* -0.46 0.24*
DELPHI_1996_I424112 91.2 0.79 +0.080 0.87
OPAL_2004_I669402 [91.2..197] 0.63 +0.100 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] 0.88* -0.35 0.53*
DELPHI_1996_I424112 91.2 0.37 +0.22 0.59
OPAL_2004_I669402 [91.2..197] 0.68 +0.050 0.73
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.71 -0.17 0.54
OPAL_2004_I669402 [91.2..197] 0.80 +0.050 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 0.56 +0.060 0.62
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 +1.0 13
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 12 +6.0 18
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 16 +1.0 17
EEC
DELPHI_1996_I424112 91.2 0.22 +0.070 0.29
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.1 +0.40 1.5
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 1.5 0 1.5
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 0.034 +0.0030 0.037
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.16 +0.010 0.17
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 25 0 25
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 24 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 5.9 -0.40 5.5
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 1.6 -0.77 0.83
DELPHI_1996_I424112 91.2 2.0 -0.50 1.5
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* -0.100 1.1*
DELPHI_1996_I424112 91.2 2.0 -0.80 1.2
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.7 -0.100 1.6
DELPHI_1996_I424112 91.2 2.0 0 2.0
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.8 -0.10 1.7
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.61 -0.22 0.39
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.1 0 1.1
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 11 +1.0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 29 0 29
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 55* -3.0 52*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.8* -1.2 0.56*
DELPHI_1996_I424112 91.2 0.29 +0.020 0.31
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.1* -1.1 4.0*
DELPHI_1996_I424112 91.2 0.62 +0.090 0.71
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.2* +0.70 3.9*
DELPHI_1996_I424112 91.2 2.6 -1.1 1.5
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.0* +0.100 5.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.6* -0.60 4.0*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.1 +0.50 2.6
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.1 +0.90 6.0
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 n/a - 51
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 8.8 +0.20 9.0
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.1 -0.52 0.58
ALEPH_2004_I636645 [91.2..206] 1.6* -0.67 0.93*
DELPHI_1996_I424112 91.2 1.7 -0.91 0.79
OPAL_2004_I669402 [91.2..197] 0.75 -0.18 0.57
1-Thrust
ALEPH_1996_I428072 91.2 0.85 -0.040 0.81
DELPHI_1996_I424112 91.2 0.85 -0.20 0.65
OPAL_2004_I669402 [91.2..197] 1.3 +0.30 1.6
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 0.31 -0.030 0.28
ALEPH_2004_I636645 [133..206] 0.59* -0.010 0.58*
DELPHI_1996_I424112 91.2 0.84 -0.35 0.49
OPAL_1998_I472637 91.2 1.6 0 1.6
SLD_2004_I630327 91.2 1.7 +0.60 2.3
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 5.8 +0.70 6.5
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.60* 0 0.60*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.0 0 2.0
SLD_2004_I630327 91.2 9.0* -0.20 8.8*
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 3.0 -1.1 1.9
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 9.8 -0.70 9.1
DELPHI_1995_I394716 91.2 11 +1.0 12
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 4.5 -0.60 3.9
DELPHI_1995_I394716 91.2 3.4 -0.30 3.1
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 1.9 +6.3 8.2
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 11 +2.0 13
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 11 +1.0 12
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 11 -1.5 9.5
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.33 -0.060 0.27
ALEPH_2004_I636645 [133..206] 0.63* 0 0.63*
DELPHI_1996_I424112 91.2 0.47 -0.13 0.34
OPAL_1998_I472637 91.2 1.8* -0.30 1.5
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.9 +0.50 2.4
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.5 -0.20 1.3
SLD_2004_I630327 91.2 13* -4.7 8.3*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.0 +0.60 3.6
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.57 +0.030 0.60
SLD_2004_I630327 91.2 2.1 +0.90 3.0
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 1.8 0 1.8
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.86* -0.16 0.70*
DELPHI_1996_I424112 91.2 0.13 +0.040 0.17
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.36 -0.030 0.33
ALEPH_2004_I636645 [133..206] 0.77* -0.39 0.38*
DELPHI_1996_I424112 91.2 0.18 +0.060 0.24

* 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.