Generator / tune

Details for Pythia 6.426 z2-lep 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 6.9 -4.5 2.4
ALEPH_2004_I636645 [91.2..206] 1.9* -1.1 0.84*
DELPHI_1996_I424112 91.2 6.1 -4.1 2.0
OPAL_2004_I669402 [91.2..197] 4.3 -2.8 1.5
C parameter
ALEPH_1996_I428072 91.2 3.1 -2.2 0.88
ALEPH_2004_I636645 [91.2..206] 2.1* -1.1 1.00*
DELPHI_1996_I424112 91.2 4.4 -3.2 1.2
OPAL_2004_I669402 [91.2..197] 5.9 -4.3 1.6
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 6.9 -4.2 2.7
OPAL_2004_I669402 [91.2..197] 3.2 -2.0 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 1.2 -0.92 0.28
ALEPH_2004_I636645 [91.2..206] 0.38* +0.23 0.61*
DELPHI_1996_I424112 91.2 2.0 -1.4 0.57
OPAL_2004_I669402 [91.2..197] 4.6 -2.6 2.0
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 5.6 -4.3 1.3
OPAL_2004_I669402 [91.2..197] 5.8 -3.4 2.4
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] 0.90* +0.20 1.1*
DELPHI_1996_I424112 91.2 0.42 +0.060 0.48
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.48* +0.52 1.00*
DELPHI_1996_I424112 91.2 0.90 -0.27 0.63
Sphericity
ALEPH_1996_I428072 91.2 2.4 -1.9 0.47
ALEPH_2004_I636645 [91.2..206] 0.50* +0.12 0.62*
DELPHI_1996_I424112 91.2 1.6 -1.2 0.42
OPAL_2004_I669402 [91.2..197] 1.2 -0.42 0.78
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.8* -0.30 1.5*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.52* +0.48 1.0*
DELPHI_1996_I424112 91.2 5.6 -4.8 0.79
OPAL_2004_I669402 [91.2..197] 3.3 -2.5 0.84
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 8.9 -6.1 2.8
ALEPH_2004_I636645 [91.2..206] 1.7* -0.30 1.4*
DELPHI_1996_I424112 91.2 12 -8.6 3.4
OPAL_2004_I669402 [91.2..197] 7.6 -5.6 2.0
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* +0.49 1.0*
Jet resolution
y23
ALEPH_1996_I428072 91.2 3.3 - n/a
ALEPH_2004_I636645 [91.2..206] 0.44* +0.31 0.75*
OPAL_2004_I669402 [91.2..197] 1.9 -1.2 0.67
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] 1.2* -0.54 0.66*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 1.6* -0.83 0.77*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.5* -0.75 0.75*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.3 -3.5 1.8
OPAL_2003_I599181 91.2 11 -5.6 5.4
SLD_2002_I582951 91.2 2.8 -2.3 0.54
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] 0.18* +0.62 0.80*
DELPHI_1996_I424112 91.2 5.4 -4.8 0.57
OPAL_2004_I669402 [91.2..197] 4.1 -3.2 0.86
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.42* +0.49 0.91*
DELPHI_1996_I424112 91.2 4.1 -3.6 0.52
OPAL_2004_I669402 [91.2..197] 4.2 -3.4 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 6.9 -6.0 0.93
OPAL_2004_I669402 [91.2..197] 5.3 -4.2 1.1
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.67 -0.29 0.38
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 -1.0 11
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 14 +3.0 17
EEC
DELPHI_1996_I424112 91.2 1.2 -0.84 0.36
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.1 -0.10 1.0
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 4.2 -2.0 2.2
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 0.57 -0.54 0.026
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.82 -0.68 0.14
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 22 0 22
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 29 -12 17
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 6.9 -3.1 3.8
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 4.6 -2.3 2.3
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 4.4 -3.2 1.2
DELPHI_1996_I424112 91.2 4.9 -3.3 1.6
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.5* -0.30 1.2*
DELPHI_1996_I424112 91.2 4.0 -2.7 1.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 3.3 -1.4 1.9
DELPHI_1996_I424112 91.2 3.3 -1.3 2.0
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 3.3 -1.5 1.8
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.51 +0.16 0.67
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.83 0 0.83
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 8.7 +1.1 9.8
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 20 +1.0 21
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 51* +3.0 54*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3* +0.80 2.1*
DELPHI_1996_I424112 91.2 0.33 -0.030 0.30
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 8.0* -2.3 5.7*
DELPHI_1996_I424112 91.2 2.8 -2.0 0.78
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 12* -8.6 3.4*
DELPHI_1996_I424112 91.2 8.2 -5.4 2.8
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 16* -9.8 6.2*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 8.7* -3.5 5.2*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.2 +1.1 2.3
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 3.7 +2.1 5.8
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 +1.6 9.9
Thrust Oblateness
ALEPH_1996_I428072 91.2 2.5 -1.2 1.3
ALEPH_2004_I636645 [91.2..206] 1.0* +0.60 1.6*
DELPHI_1996_I424112 91.2 3.0 -1.3 1.7
OPAL_2004_I669402 [91.2..197] 1.0 -0.26 0.74
1-Thrust
ALEPH_1996_I428072 91.2 5.3 -4.1 1.2
DELPHI_1996_I424112 91.2 4.1 -3.1 0.98
OPAL_2004_I669402 [91.2..197] 6.0 -4.1 1.9
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 1.5 -1.2 0.32
ALEPH_2004_I636645 [133..206] 0.66* -0.040 0.62*
DELPHI_1996_I424112 91.2 2.1 -1.7 0.44
OPAL_1998_I472637 91.2 1.1* +0.50 1.6
SLD_2004_I630327 91.2 4.4 -2.5 1.9
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 3.3 +2.3 5.6
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.70* -0.070 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 5.1 -2.9 2.2
SLD_2004_I630327 91.2 9.0* -1.9 7.1*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
OPAL_1993_I342766 91.2 34 +14 48
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 1.3 +3.5 4.8
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 7.1 +2.8 9.9
DELPHI_1995_I394716 91.2 4.6 -1.1 3.5
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 3.1 -0.40 2.7
DELPHI_1995_I394716 91.2 1.9 -0.94 0.96
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 25 +2.0 27
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 33 -14 19
L3_1992_I336180 91.2 1.6 +0.20 1.8
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 31 -19 12
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 13 -3.7 9.3
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 1.4 -1.1 0.34
ALEPH_2004_I636645 [133..206] 0.86* -0.23 0.63*
DELPHI_1996_I424112 91.2 1.5 -1.2 0.32
OPAL_1998_I472637 91.2 1.5* +0.10 1.6
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 0.62 +1.1 1.7
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.1 -1.1 1.0
SLD_2004_I630327 91.2 13* -3.0 10*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 1.5 +1.2 2.7
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.32 +0.42 0.74
SLD_2004_I630327 91.2 3.1 -0.60 2.5
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.8 -1.1 1.7
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.69* +0.17 0.86*
DELPHI_1996_I424112 91.2 1.1 -0.94 0.16
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.86 -0.50 0.36
ALEPH_2004_I636645 [133..206] 0.55* +0.26 0.81*
DELPHI_1996_I424112 91.2 1.2 -0.97 0.23

* 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.