Generator / tune

Details for Pythia 6.426 357 vs. 6.427

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Aplanarity
ALEPH_1996_I428072 91.2 2.3 -0.30 2.0
ALEPH_2004_I636645 [91.2..206] 0.69* +0.010 0.70*
DELPHI_1996_I424112 91.2 2.1 -0.30 1.8
OPAL_2004_I669402 [91.2..197] 1.3 -0.20 1.1
C parameter
ALEPH_1996_I428072 91.2 0.88 -0.100 0.78
ALEPH_2004_I636645 [91.2..206] 0.82* +0.040 0.86*
DELPHI_1996_I424112 91.2 1.4 -0.40 1.0
OPAL_2004_I669402 [91.2..197] 1.5 -0.10 1.4
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 3.3 -0.60 2.7
OPAL_2004_I669402 [91.2..197] 1.2 -0.100 1.1
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.37 -0.080 0.29
ALEPH_2004_I636645 [91.2..206] 0.23* 0 0.23*
DELPHI_1996_I424112 91.2 0.52 -0.12 0.40
OPAL_2004_I669402 [91.2..197] 1.9 -0.100 1.8
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 2.0 -0.70 1.3
OPAL_2004_I669402 [91.2..197] 2.5 -0.20 2.3
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] 0.84* -0.010 0.83*
DELPHI_1996_I424112 91.2 0.21 +0.22 0.43
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.53* -0.020 0.51*
DELPHI_1996_I424112 91.2 0.52 +0.31 0.83
Sphericity
ALEPH_1996_I428072 91.2 0.41 +0.20 0.61
ALEPH_2004_I636645 [91.2..206] 0.56* -0.090 0.47*
DELPHI_1996_I424112 91.2 0.34 +0.27 0.61
OPAL_2004_I669402 [91.2..197] 0.71 -0.040 0.67
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.71* +0.12 0.83*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.51* +0.060 0.57*
DELPHI_1996_I424112 91.2 0.76 +0.040 0.80
OPAL_2004_I669402 [91.2..197] 0.80 -0.060 0.74
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.9 -0.60 2.3
ALEPH_2004_I636645 [91.2..206] 0.91* -0.010 0.90*
DELPHI_1996_I424112 91.2 3.7 -0.80 2.9
OPAL_2004_I669402 [91.2..197] 1.8 -0.10 1.7
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* +0.85 1.2*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.42 +0.10 0.52
ALEPH_2004_I636645 [91.2..206] 0.49* -0.050 0.44*
OPAL_2004_I669402 [91.2..197] 0.75 -0.060 0.69
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] 0.58* -0.020 0.56*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.75* +0.010 0.76*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.77* +0.010 0.78*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 2.0 0 2.0
OPAL_2003_I599181 91.2 5.5 +0.20 5.7
SLD_2002_I582951 91.2 0.51 +0.040 0.55
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 0.82 -0.40 0.42
OPAL_2004_I669402 [91.2..197] 0.83 -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] 0.45* +0.050 0.50*
DELPHI_1996_I424112 91.2 0.52 -0.010 0.51
OPAL_2004_I669402 [91.2..197] 0.89 -0.13 0.76
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 1.1 -0.41 0.69
OPAL_2004_I669402 [91.2..197] 1.0 -0.070 0.93
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 +0.060 0.38
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 14 0 14
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 20 -2.0 18
EEC
DELPHI_1996_I424112 91.2 0.41 -0.100 0.31
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.1 -0.29 0.81
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 1.2 +0.10 1.3
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 0.071 +0.0040 0.075
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.17 +0.070 0.24
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 21 +6.0 27
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 16 +25 41
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 8.1 +0.40 8.5
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 2.8 +0.20 3.0
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.6 +0.40 2.0
DELPHI_1996_I424112 91.2 2.0 +0.80 2.8
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 1.6 +0.70 2.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.8 -0.10 1.7
DELPHI_1996_I424112 91.2 2.1 -0.20 1.9
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 2.0 -0.10 1.9
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.51 -0.24 0.27
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.81 -0.25 0.56
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 14 0 14
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 36 0 36
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 55* -2.0 53*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* 0 1.7*
DELPHI_1996_I424112 91.2 0.23 -0.010 0.22
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.2* +0.20 4.4*
DELPHI_1996_I424112 91.2 1.2 -0.61 0.59
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* +3.1 4.8*
DELPHI_1996_I424112 91.2 3.5 -1.1 2.4
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.8* +0.20 6.0*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.7* -0.10 4.6*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.8 +0.100 1.9
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.4 +0.100 5.5
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 12 0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.87 +0.23 1.1
ALEPH_2004_I636645 [91.2..206] 0.92* +0.020 0.94*
DELPHI_1996_I424112 91.2 1.3 0 1.3
OPAL_2004_I669402 [91.2..197] 0.64 -0.030 0.61
1-Thrust
ALEPH_1996_I428072 91.2 1.3 -0.32 0.98
DELPHI_1996_I424112 91.2 1.1 -0.34 0.76
OPAL_2004_I669402 [91.2..197] 1.6 0 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 0.29 -0.050 0.24
ALEPH_2004_I636645 [133..206] 0.58* +0.010 0.59*
DELPHI_1996_I424112 91.2 0.46 -0.030 0.43
OPAL_1998_I472637 91.2 0.51* +1.2 1.7
SLD_2004_I630327 91.2 1.8* +1.1 2.9
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 4.0 +0.40 4.4
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.60* +0.010 0.61*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.0 -0.20 1.8
SLD_2004_I630327 91.2 11* 0 11*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.1 0 1.1
OPAL_1993_I342766 91.2 38 -1.0 37
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 3.6 +0.20 3.8
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 9.8 +1.2 11
DELPHI_1995_I394716 91.2 12 +2.0 14
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 5.2 +1.5 6.7
DELPHI_1995_I394716 91.2 3.0 +0.30 3.3
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 0.49 +1.2 1.7
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 26 -1.0 25
L3_1992_I336180 91.2 1.9 -0.100 1.8
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 17 - n/a
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 10 -2.8 7.2
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.28 +0.0100 0.29
ALEPH_2004_I636645 [133..206] 0.63* 0 0.63*
DELPHI_1996_I424112 91.2 0.35 -0.0100 0.34
OPAL_1998_I472637 91.2 0.64* -0.050 0.59*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.9 -0.100 1.8
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.2 0 2.2
SLD_2004_I630327 91.2 12* +1.0 13*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.2 0 3.2
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.58 -0.040 0.54
SLD_2004_I630327 91.2 2.4* -0.30 2.1*
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] 0.64* +0.030 0.67*
DELPHI_1996_I424112 91.2 0.17 +0.070 0.24
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.27 +0.030 0.30
ALEPH_2004_I636645 [133..206] 0.37* +0.010 0.38*
DELPHI_1996_I424112 91.2 0.35 -0.14 0.21

* 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.