Generator / tune

Details for Pythia 6.427 379 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 1.9 -0.30 1.6
ALEPH_2004_I636645 [91.2..206] 0.67* -0.010 0.66*
DELPHI_1996_I424112 91.2 1.5 -0.20 1.3
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
C parameter
ALEPH_1996_I428072 91.2 0.69 -0.040 0.65
ALEPH_2004_I636645 [91.2..206] 0.80* +0.080 0.88*
DELPHI_1996_I424112 91.2 0.87 +0.33 1.2
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 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 2.6 -0.10 2.5
OPAL_2004_I669402 [91.2..197] 1.1 -0.10 1.0
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.24 -0.030 0.21
ALEPH_2004_I636645 [91.2..206] 0.28* -0.050 0.23*
DELPHI_1996_I424112 91.2 0.43 -0.100 0.33
OPAL_2004_I669402 [91.2..197] 1.6 0 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 -0.20 1.0
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] 0.84* -0.050 0.79*
DELPHI_1996_I424112 91.2 0.42 -0.24 0.18
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.48* +0.020 0.50*
DELPHI_1996_I424112 91.2 0.84 -0.22 0.62
Sphericity
ALEPH_1996_I428072 91.2 0.40 +0.070 0.47
ALEPH_2004_I636645 [91.2..206] 0.62* -0.030 0.59*
DELPHI_1996_I424112 91.2 0.58 -0.13 0.45
OPAL_2004_I669402 [91.2..197] 0.74 -0.030 0.71
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.93* -0.060 0.87*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.58* 0 0.58*
DELPHI_1996_I424112 91.2 1.2 -0.29 0.91
OPAL_2004_I669402 [91.2..197] 0.68 -0.070 0.61
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.0 0 2.0
ALEPH_2004_I636645 [91.2..206] 0.81* +0.030 0.84*
DELPHI_1996_I424112 91.2 2.7 -0.30 2.4
OPAL_2004_I669402 [91.2..197] 1.7 -0.20 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] 0.51* +0.69 1.2*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.31 - n/a
ALEPH_2004_I636645 [91.2..206] 0.45* -0.030 0.42*
OPAL_2004_I669402 [91.2..197] 0.64 +0.010 0.65
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] 0.54* 0 0.54*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.70* -0.040 0.66*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.71* +0.060 0.77*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.4 -0.100 1.3
OPAL_2003_I599181 91.2 4.1 -0.20 3.9
SLD_2002_I582951 91.2 0.18 +0.010 0.19
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] 0.23* +0.040 0.27*
DELPHI_1996_I424112 91.2 0.76 -0.010 0.75
OPAL_2004_I669402 [91.2..197] 0.74 -0.040 0.70
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.51* +0.070 0.58*
DELPHI_1996_I424112 91.2 0.57 -0.050 0.52
OPAL_2004_I669402 [91.2..197] 0.83 -0.11 0.72
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.56 +0.12 0.68
OPAL_2004_I669402 [91.2..197] 0.84 -0.040 0.80
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.43 -0.16 0.27
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 13 +1.0 14
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 n/a - 17
EEC
DELPHI_1996_I424112 91.2 0.32 -0.030 0.29
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.0 -0.17 0.83
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 1.4 0 1.4
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 0.047 0 0.047
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.14 +0.0100 0.15
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 21 0 21
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 14 +2.0 16
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 5.6 +0.10 5.7
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 2.6 0 2.6
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.7 -0.30 1.4
DELPHI_1996_I424112 91.2 2.5 -0.60 1.9
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 2.2 -0.40 1.8
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.4 +0.10 1.5
DELPHI_1996_I424112 91.2 1.5 +0.20 1.7
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.6 +0.50 2.1
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.60 -0.16 0.44
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.86 +0.050 0.91
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 27 +3.0 30
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 53* 0 53*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.61* -0.020 0.59*
DELPHI_1996_I424112 91.2 0.40 -0.090 0.31
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* 0 3.8*
DELPHI_1996_I424112 91.2 0.78 0 0.78
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.6* -0.40 4.2*
DELPHI_1996_I424112 91.2 2.4 -0.30 2.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.3* -0.20 5.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.3* 0 4.3*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.0 -0.20 1.8
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.3 -0.40 4.9
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 130 -89 41
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 8.4 +0.30 8.7
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.0 -0.38 0.62
ALEPH_2004_I636645 [91.2..206] 0.87* +0.080 0.95*
DELPHI_1996_I424112 91.2 1.4 -0.43 0.97
OPAL_2004_I669402 [91.2..197] 0.77 -0.100 0.67
1-Thrust
ALEPH_1996_I428072 91.2 0.89 +0.060 0.95
DELPHI_1996_I424112 91.2 0.87 -0.15 0.72
OPAL_2004_I669402 [91.2..197] 1.5 0 1.5
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 0.27 -0.030 0.24
ALEPH_2004_I636645 [133..206] 0.59* +0.020 0.61*
DELPHI_1996_I424112 91.2 0.59 0 0.59
OPAL_1998_I472637 91.2 1.6 +0.100 1.7
SLD_2004_I630327 91.2 2.3 -0.40 1.9
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 6.1 -1.7 4.4
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.61* +0.020 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.8 0 1.8
SLD_2004_I630327 91.2 9.6* +1.4 11*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.2 0 1.2
OPAL_1993_I342766 91.2 37 -3.0 34
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 2.5 -0.30 2.2
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 9.2 -0.80 8.4
DELPHI_1995_I394716 91.2 9.5 +2.5 12
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.6 +0.40 7.0
DELPHI_1995_I394716 91.2 3.9 +0.90 4.8
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 5.3 -2.3 3.0
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 14 -4.0 10
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 18 -5.0 13
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 12 -2.9 9.1
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.25 +0.010 0.26
ALEPH_2004_I636645 [133..206] 0.63* 0 0.63*
DELPHI_1996_I424112 91.2 0.37 -0.030 0.34
OPAL_1998_I472637 91.2 1.5 -0.89 0.61*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.7 -0.100 1.6
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.3 +0.100 1.4
SLD_2004_I630327 91.2 13* +1.0 14*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 2.9 +0.70 3.6
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.56 0 0.56
SLD_2004_I630327 91.2 2.3 -0.50 1.8
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.0 -0.20 1.8
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.69* -0.0100 0.68*
DELPHI_1996_I424112 91.2 0.15 -0.0100 0.14
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.44 -0.11 0.33
ALEPH_2004_I636645 [133..206] 0.39* +0.050 0.44*
DELPHI_1996_I424112 91.2 0.24 -0.070 0.17

* 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.