Generator / tune

Details for Pythia 6.427 376 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 0.83 +0.010 0.84
ALEPH_2004_I636645 [91.2..206] 0.44* -0.040 0.40*
DELPHI_1996_I424112 91.2 0.75 -0.060 0.69
OPAL_2004_I669402 [91.2..197] 0.49 -0.040 0.45
C parameter
ALEPH_1996_I428072 91.2 0.45 -0.030 0.42
ALEPH_2004_I636645 [91.2..206] 0.77* +0.090 0.86*
DELPHI_1996_I424112 91.2 0.92 +0.38 1.3
OPAL_2004_I669402 [91.2..197] 1.0 +0.20 1.2
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.5 +0.10 1.6
OPAL_2004_I669402 [91.2..197] 0.90 -0.010 0.89
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.24 +0.090 0.33
ALEPH_2004_I636645 [91.2..206] 0.30* 0 0.30*
DELPHI_1996_I424112 91.2 0.36 +0.020 0.38
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.67 -0.060 0.61
OPAL_2004_I669402 [91.2..197] 1.5 -0.20 1.3
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] 0.65* +0.27 0.92*
DELPHI_1996_I424112 91.2 0.20 +0.090 0.29
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.71* -0.20 0.51*
DELPHI_1996_I424112 91.2 0.52 +0.28 0.80
Sphericity
ALEPH_1996_I428072 91.2 0.33 -0.090 0.24
ALEPH_2004_I636645 [91.2..206] 0.42* +0.14 0.56*
DELPHI_1996_I424112 91.2 0.37 +0.060 0.43
OPAL_2004_I669402 [91.2..197] 0.64 -0.020 0.62
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.82* -0.0100 0.81*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.55* +0.28 0.83*
DELPHI_1996_I424112 91.2 1.7 -0.100 1.6
OPAL_2004_I669402 [91.2..197] 0.68 -0.12 0.56
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 -0.30 1.00
ALEPH_2004_I636645 [91.2..206] 1.1* -0.20 0.90*
DELPHI_1996_I424112 91.2 2.0 +0.20 2.2
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
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] 0.44* +1.3 1.7*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.22 +0.020 0.24
ALEPH_2004_I636645 [91.2..206] 0.52* +0.080 0.60*
OPAL_2004_I669402 [91.2..197] 0.62 +0.020 0.64
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] 0.69* -0.20 0.49*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.72* -0.010 0.71*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.3* +0.100 1.4*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.3 +0.50 1.8
OPAL_2003_I599181 91.2 3.5 +0.10 3.6
SLD_2002_I582951 91.2 0.14 +0.060 0.20
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] 0.44* -0.100 0.34*
DELPHI_1996_I424112 91.2 1.5 +0.10 1.6
OPAL_2004_I669402 [91.2..197] 0.94 +0.020 0.96
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.60* +0.13 0.73*
DELPHI_1996_I424112 91.2 1.2 +0.10 1.3
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.82 -0.29 0.53
OPAL_2004_I669402 [91.2..197] 0.89 +0.040 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 0.44 +0.080 0.52
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 - n/a
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 n/a - 17
EEC
DELPHI_1996_I424112 91.2 0.20 -0.020 0.18
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.63 +0.24 0.87
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 0.083 -0.0050 0.078
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.18 0 0.18
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 20 0 20
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 21 +3.0 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 6.0 -0.20 5.8
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 2.9 -0.10 2.8
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.4 -0.40 1.0
DELPHI_1996_I424112 91.2 2.0 -0.20 1.8
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.8* -0.60 1.2*
DELPHI_1996_I424112 91.2 1.4 -0.20 1.2
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.6 +0.100 1.7
DELPHI_1996_I424112 91.2 2.1 +0.30 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.8 +0.50 2.3
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.36 +0.25 0.61
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.88 -0.020 0.86
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 28 +3.0 31
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 53* -3.0 50*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* -1.2 0.49*
DELPHI_1996_I424112 91.2 0.33 -0.12 0.21
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.0* +0.30 3.3*
DELPHI_1996_I424112 91.2 0.52 -0.040 0.48
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -1.5 2.3*
DELPHI_1996_I424112 91.2 1.8 -0.70 1.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -1.3 2.5*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.5* -0.60 2.9*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.4 -0.40 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.5 0 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 11 -1.0 10
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.39 -0.050 0.34
ALEPH_2004_I636645 [91.2..206] 1.2* -0.42 0.78*
DELPHI_1996_I424112 91.2 0.52 -0.070 0.45
OPAL_2004_I669402 [91.2..197] 0.47 -0.100 0.37
1-Thrust
ALEPH_1996_I428072 91.2 0.57 +0.21 0.78
DELPHI_1996_I424112 91.2 0.63 +0.11 0.74
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 0.31 +0.040 0.35
ALEPH_2004_I636645 [133..206] 0.65* 0 0.65*
DELPHI_1996_I424112 91.2 0.57 -0.060 0.51
OPAL_1998_I472637 91.2 1.7 0 1.7
SLD_2004_I630327 91.2 1.7 0 1.7
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 6.1 +0.60 6.7
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.66* 0 0.66*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.5 +0.10 2.6
SLD_2004_I630327 91.2 9.6* -0.40 9.2*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
OPAL_1993_I342766 91.2 36 +1.0 37
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 3.4 +0.60 4.0
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 10 -1.1 8.9
DELPHI_1995_I394716 91.2 11 +2.0 13
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 7.1 +1.4 8.5
DELPHI_1995_I394716 91.2 4.9 -0.50 4.4
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 2.0 +1.8 3.8
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 11 +1.0 12
L3_1992_I336180 91.2 1.4 -0.100 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 8.0 +7.0 15
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 6.5 +2.1 8.6
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.30 -0.040 0.26
ALEPH_2004_I636645 [133..206] 0.74* -0.050 0.69*
DELPHI_1996_I424112 91.2 0.43 -0.060 0.37
OPAL_1998_I472637 91.2 0.64* +0.020 0.66*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 2.2 +0.100 2.3
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.6 -0.10 1.5
SLD_2004_I630327 91.2 7.8* +0.40 8.2*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.7 -0.60 3.1
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.59 -0.020 0.57
SLD_2004_I630327 91.2 2.3 -0.30 2.0*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 1.8 +0.20 2.0
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.47* +0.28 0.75*
DELPHI_1996_I424112 91.2 0.14 -0.020 0.12
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.59 -0.030 0.56
ALEPH_2004_I636645 [133..206] 0.35* +0.10 0.45*
DELPHI_1996_I424112 91.2 0.29 -0.020 0.27

* 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.