Generator / tune

Details for Pythia 6.427 p2010 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 2.0 +0.60 2.6
ALEPH_2004_I636645 [91.2..206] 1.9* -1.1 0.83*
DELPHI_1996_I424112 91.2 1.7 +0.80 2.5
OPAL_2004_I669402 [91.2..197] 1.4 +0.10 1.5
C parameter
ALEPH_1996_I428072 91.2 0.88 -0.070 0.81
ALEPH_2004_I636645 [91.2..206] 1.1* -0.17 0.93*
DELPHI_1996_I424112 91.2 1.3 +0.30 1.6
OPAL_2004_I669402 [91.2..197] 1.6 -0.10 1.5
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.3 +1.5 3.8
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.26 +0.070 0.33
ALEPH_2004_I636645 [91.2..206] 0.76* -0.50 0.26*
DELPHI_1996_I424112 91.2 0.35 +0.22 0.57
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 0.68 +0.82 1.5
OPAL_2004_I669402 [91.2..197] 1.7 +0.20 1.9
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] 0.80* +0.040 0.84*
DELPHI_1996_I424112 91.2 0.15 +0.27 0.42
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.92* -0.43 0.49*
DELPHI_1996_I424112 91.2 0.68 +0.060 0.74
Sphericity
ALEPH_1996_I428072 91.2 0.58 -0.100 0.48
ALEPH_2004_I636645 [91.2..206] 0.90* -0.38 0.52*
DELPHI_1996_I424112 91.2 0.49 -0.15 0.34
OPAL_2004_I669402 [91.2..197] 0.78 -0.060 0.72
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.1* -0.19 0.91*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.0* -0.41 0.59*
DELPHI_1996_I424112 91.2 0.82 +0.010 0.83
OPAL_2004_I669402 [91.2..197] 0.88 -0.050 0.83
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.1 +0.90 3.0
ALEPH_2004_I636645 [91.2..206] 2.0* -1.1 0.91*
DELPHI_1996_I424112 91.2 3.0 +1.1 4.1
OPAL_2004_I669402 [91.2..197] 1.8 0 1.8
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] 1.5* -1.2 0.32*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.56 -0.14 0.42
ALEPH_2004_I636645 [91.2..206] 0.43* +0.030 0.46*
OPAL_2004_I669402 [91.2..197] 0.73 -0.070 0.66
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] 0.59* -0.040 0.55*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.76* -0.030 0.73*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.75* +0.020 0.77*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.8 -0.10 1.7
OPAL_2003_I599181 91.2 4.0 +0.60 4.6
SLD_2002_I582951 91.2 0.27 +0.040 0.31
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] 0.83* -0.59 0.24*
DELPHI_1996_I424112 91.2 0.82 0 0.82
OPAL_2004_I669402 [91.2..197] 0.91 -0.12 0.79
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.81* -0.29 0.52*
DELPHI_1996_I424112 91.2 0.56 -0.20 0.36
OPAL_2004_I669402 [91.2..197] 0.80 0 0.80
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.79 +0.61 1.4
OPAL_2004_I669402 [91.2..197] 1.0 -0.020 0.98
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 -0.23 0.26
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 +2.0 14
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 15 0 15
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 n/a - 17
EEC
DELPHI_1996_I424112 91.2 0.28 +0.100 0.38
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.5 0 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 1.7 0 1.7
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 0.064 -0.0090 0.055
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.31 +0.010 0.32
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 28 +4.0 32
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 22 +10 32
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 2.6 -0.40 2.2
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 1.4 +0.10 1.5
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 0.52 +0.12 0.64
DELPHI_1996_I424112 91.2 0.76 +0.16 0.92
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.00* +0.10 1.1*
DELPHI_1996_I424112 91.2 0.64 +0.66 1.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 2.2 -0.10 2.1
DELPHI_1996_I424112 91.2 1.8 -0.30 1.5
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 3.5 - n/a
DELPHI_1996_I424112 91.2 2.1 -0.30 1.8
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.55 +0.17 0.72
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.52 +0.19 0.71
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 11 +2.0 13
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 20 +3.0 23
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 53* -1.0 52*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.8* -1.2 0.65*
DELPHI_1996_I424112 91.2 0.42 -0.21 0.21
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* 0 4.4*
DELPHI_1996_I424112 91.2 0.69 +0.31 1.0
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* +1.0 5.1*
DELPHI_1996_I424112 91.2 2.5 +1.1 3.6
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.7* +0.20 5.9*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.3* +0.70 5.0*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 4.0 -0.70 3.3
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 7.4 +0.100 7.5
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 11 +1.0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.81 +0.14 0.95
ALEPH_2004_I636645 [91.2..206] 0.58* +0.35 0.93*
DELPHI_1996_I424112 91.2 0.95 +0.25 1.2
OPAL_2004_I669402 [91.2..197] 0.68 -0.060 0.62
1-Thrust
ALEPH_1996_I428072 91.2 1.1 +0.100 1.2
DELPHI_1996_I424112 91.2 0.93 +0.070 1.0
OPAL_2004_I669402 [91.2..197] 1.8 -0.10 1.7
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 0.90 +0.100 1.0
ALEPH_2004_I636645 [133..206] 0.81* -0.040 0.77*
DELPHI_1996_I424112 91.2 0.47 -0.020 0.45
OPAL_1998_I472637 91.2 2.0 +0.10 2.1
SLD_2004_I630327 91.2 2.3 +0.30 2.6
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 5.3 +0.10 5.4
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.82* -0.040 0.78*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.3 +0.30 1.6
SLD_2004_I630327 91.2 7.3* +0.50 7.8
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.4 +0.10 1.5
OPAL_1993_I342766 91.2 57 +1.0 58
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 8.3 -0.70 7.6
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 10 +5.0 15
DELPHI_1995_I394716 91.2 2.5 -0.40 2.1
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 3.7 -0.50 3.2
DELPHI_1995_I394716 91.2 0.97 -0.26 0.71
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 33 +1.0 34
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 18 +4.0 22
L3_1992_I336180 91.2 1.9 -0.100 1.8
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 14 +4.0 18
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.4 -3.1 6.3
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.94 +0.050 0.99
ALEPH_2004_I636645 [133..206] 0.79* +0.18 0.97*
DELPHI_1996_I424112 91.2 0.66 -0.010 0.65
OPAL_1998_I472637 91.2 0.84* +1.4 2.2
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 2.3 -0.20 2.1
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 0.39 +0.090 0.48
SLD_2004_I630327 91.2 5.7* +0.40 6.1*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.1 +0.40 3.5
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 1.7 0 1.7
SLD_2004_I630327 91.2 3.2 0 3.2
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 1.7 +0.10 1.8
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.78* +0.020 0.80*
DELPHI_1996_I424112 91.2 0.45 +0.020 0.47
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.34 +0.19 0.53
ALEPH_2004_I636645 [133..206] 0.70* -0.16 0.54*
DELPHI_1996_I424112 91.2 0.51 +0.050 0.56

* 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.