Generator / tune

Details for Pythia 6.427 345 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 0.61 -0.040 0.57
ALEPH_2004_I636645 [91.2..206] 0.47* 0 0.47*
DELPHI_1996_I424112 91.2 0.45 -0.14 0.31
OPAL_2004_I669402 [91.2..197] 0.40 +0.0100 0.41
C parameter
ALEPH_1996_I428072 91.2 0.32 +0.080 0.40
ALEPH_2004_I636645 [91.2..206] 0.69* +0.050 0.74*
DELPHI_1996_I424112 91.2 0.58 +0.31 0.89
OPAL_2004_I669402 [91.2..197] 0.89 +0.060 0.95
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.4 +0.20 1.6
OPAL_2004_I669402 [91.2..197] 0.75 +0.12 0.87
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.15 +0.080 0.23
ALEPH_2004_I636645 [91.2..206] 0.33* +0.19 0.52*
DELPHI_1996_I424112 91.2 0.17 +0.22 0.39
OPAL_2004_I669402 [91.2..197] 0.98 +0.42 1.4
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.48 +0.16 0.64
OPAL_2004_I669402 [91.2..197] 1.5 0 1.5
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] 0.66* +0.11 0.77*
DELPHI_1996_I424112 91.2 0.025 +0.33 0.35
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.66* -0.16 0.50*
DELPHI_1996_I424112 91.2 0.80 -0.010 0.79
Sphericity
ALEPH_1996_I428072 91.2 0.31 +0.040 0.35
ALEPH_2004_I636645 [91.2..206] 0.44* +0.14 0.58*
DELPHI_1996_I424112 91.2 0.29 +0.26 0.55
OPAL_2004_I669402 [91.2..197] 0.63 +0.030 0.66
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.74* +0.050 0.79*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.45* +0.18 0.63*
DELPHI_1996_I424112 91.2 0.85 +0.25 1.1
OPAL_2004_I669402 [91.2..197] 0.48 -0.040 0.44
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 0.73 +0.27 1.0
ALEPH_2004_I636645 [91.2..206] 1.1* -0.29 0.81*
DELPHI_1996_I424112 91.2 1.4 +0.20 1.6
OPAL_2004_I669402 [91.2..197] 0.91 +0.19 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] 0.034* +1.2 1.2*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.11 +0.11 0.22
ALEPH_2004_I636645 [91.2..206] 0.49* 0 0.49*
OPAL_2004_I669402 [91.2..197] 0.47 +0.070 0.54
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] 0.65* -0.21 0.44*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.65* +0.030 0.68*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.1* -0.10 1.0*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 4.2 -0.30 3.9
OPAL_2003_I599181 91.2 3.8 +0.40 4.2
SLD_2002_I582951 91.2 1.3 +0.100 1.4
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] 0.41* -0.12 0.29*
DELPHI_1996_I424112 91.2 0.83 +0.27 1.1
OPAL_2004_I669402 [91.2..197] 0.59 +0.030 0.62
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.56* -0.040 0.52*
DELPHI_1996_I424112 91.2 0.47 +0.40 0.87
OPAL_2004_I669402 [91.2..197] 0.74 +0.060 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 0.32 +0.52 0.84
OPAL_2004_I669402 [91.2..197] 0.70 +0.020 0.72
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.21 +0.28 0.49
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 13 0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 18 +1.0 19
EEC
DELPHI_1996_I424112 91.2 0.15 +0.010 0.16
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.1 -0.33 0.77
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 2.3 -0.20 2.1
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 0.072 -0.0020 0.070
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.074 -0.0010 0.073
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 6.6 -0.60 6.0
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 8.1 +8.9 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 3.4 +0.20 3.6
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 2.7 0 2.7
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.3 +0.50 1.8
DELPHI_1996_I424112 91.2 2.1 +0.60 2.7
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.8* -0.60 1.2*
DELPHI_1996_I424112 91.2 1.6 +0.60 2.2
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.9 0 1.9
DELPHI_1996_I424112 91.2 2.5 -0.10 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 2.2 -0.20 2.0
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.36 +0.58 0.94
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.3 -0.10 1.2
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 9.3 +1.7 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 26 +3.0 29
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 53* +2.0 55*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* -1.2 0.53*
DELPHI_1996_I424112 91.2 0.24 -0.050 0.19
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.2* -0.30 2.9*
DELPHI_1996_I424112 91.2 0.42 -0.13 0.29
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.5* -2.1 1.4*
DELPHI_1996_I424112 91.2 1.1 0 1.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -0.70 3.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.3* -0.50 2.8*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.6 +0.100 1.7
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.8 +0.20 5.0
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 8.6 +0.50 9.1
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.52 +0.28 0.80
ALEPH_2004_I636645 [91.2..206] 1.2* -0.36 0.84*
DELPHI_1996_I424112 91.2 0.79 +0.31 1.1
OPAL_2004_I669402 [91.2..197] 0.48 -0.050 0.43
1-Thrust
ALEPH_1996_I428072 91.2 0.34 +0.20 0.54
DELPHI_1996_I424112 91.2 0.39 +0.13 0.52
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 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 0.41 +0.14 0.55
ALEPH_2004_I636645 [133..206] 0.67* -0.050 0.62*
DELPHI_1996_I424112 91.2 0.95 +0.25 1.2
OPAL_1998_I472637 91.2 1.5 0 1.5
SLD_2004_I630327 91.2 1.3 +0.20 1.5
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 7.7 +0.70 8.4
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.68* -0.040 0.64*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 3.5 +0.10 3.6
SLD_2004_I630327 91.2 6.7 +0.100 6.8
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
OPAL_1993_I342766 91.2 31 -1.0 30
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 13 -2.0 11
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 38 -12 26
DELPHI_1995_I394716 91.2 0.33 +0.55 0.88
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 4.5 -0.30 4.2
DELPHI_1995_I394716 91.2 0.34 -0.060 0.28
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 62 +4.0 66
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 14 -2.0 12
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 16 - n/a
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 8.4 0 8.4
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.36 +0.080 0.44
ALEPH_2004_I636645 [133..206] 0.77* -0.11 0.66*
DELPHI_1996_I424112 91.2 0.54 +0.17 0.71
OPAL_1998_I472637 91.2 1.4 0 1.4
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.0 +0.20 1.2
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.1 -0.10 1.0
SLD_2004_I630327 91.2 15* 0 15*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.0 +0.80 3.8
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.51 +0.010 0.52
SLD_2004_I630327 91.2 1.9 0 1.9*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.8 -0.100 2.7
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.51* +0.30 0.81*
DELPHI_1996_I424112 91.2 0.17 +0.0100 0.18
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.43 +0.13 0.56
ALEPH_2004_I636645 [133..206] 0.40* +0.100 0.50*
DELPHI_1996_I424112 91.2 0.29 -0.040 0.25

* 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.