Generator / tune

Details for Pythia 6.427 p0 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 1.1 -0.22 0.88
ALEPH_2004_I636645 [91.2..206] 0.51* +0.030 0.54*
DELPHI_1996_I424112 91.2 1.0 -0.50 0.50
OPAL_2004_I669402 [91.2..197] 0.72 -0.080 0.64
C parameter
ALEPH_1996_I428072 91.2 0.45 +0.030 0.48
ALEPH_2004_I636645 [91.2..206] 0.76* +0.030 0.79*
DELPHI_1996_I424112 91.2 1.1 -0.50 0.60
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.4 -1.0 1.4
OPAL_2004_I669402 [91.2..197] 0.98 -0.13 0.85
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.18 +0.12 0.30
ALEPH_2004_I636645 [91.2..206] 0.25* +0.020 0.27*
DELPHI_1996_I424112 91.2 0.24 +0.31 0.55
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 0.61 -0.11 0.50
OPAL_2004_I669402 [91.2..197] 1.8 -0.10 1.7
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] 0.73* +0.080 0.81*
DELPHI_1996_I424112 91.2 0.16 +0.40 0.56
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.51* -0.030 0.48*
DELPHI_1996_I424112 91.2 0.39 +0.58 0.97
Sphericity
ALEPH_1996_I428072 91.2 0.15 +0.35 0.50
ALEPH_2004_I636645 [91.2..206] 0.55* -0.050 0.50*
DELPHI_1996_I424112 91.2 0.17 +0.49 0.66
OPAL_2004_I669402 [91.2..197] 0.61 +0.090 0.70
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.83* 0 0.83*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.59* +0.020 0.61*
DELPHI_1996_I424112 91.2 0.62 +0.25 0.87
OPAL_2004_I669402 [91.2..197] 0.53 +0.020 0.55
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.6 -0.50 1.1
ALEPH_2004_I636645 [91.2..206] 0.77* +0.070 0.84*
DELPHI_1996_I424112 91.2 2.1 -0.80 1.3
OPAL_2004_I669402 [91.2..197] 1.2 -0.100 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] 0.17* +0.050 0.22*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.063 +0.034 0.097
ALEPH_2004_I636645 [91.2..206] 0.56* -0.060 0.50*
OPAL_2004_I669402 [91.2..197] 0.58 -0.040 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] 0.46* +0.050 0.51*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.67* +0.060 0.73*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.92* +0.060 0.98*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.2 +0.30 1.5
OPAL_2003_I599181 91.2 3.3 -0.50 2.8
SLD_2002_I582951 91.2 0.28 +0.060 0.34
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] 0.28* 0 0.28*
DELPHI_1996_I424112 91.2 0.82 -0.100 0.72
OPAL_2004_I669402 [91.2..197] 0.70 -0.070 0.63
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.52* +0.050 0.57*
DELPHI_1996_I424112 91.2 0.53 +0.22 0.75
OPAL_2004_I669402 [91.2..197] 0.68 +0.080 0.76
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.59 -0.15 0.44
OPAL_2004_I669402 [91.2..197] 0.74 -0.060 0.68
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.18 +0.45 0.63
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 +2.0 15
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 n/a - 20
EEC
DELPHI_1996_I424112 91.2 0.26 -0.11 0.15
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.93 +0.27 1.2
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 2.1 -0.10 2.0
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 0.055 -0.022 0.033
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.13 -0.030 0.10
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 17 0 17
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 16 -5.0 11
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 +0.20 2.8
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 2.8 -0.20 2.6
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.1 +0.90 2.0
DELPHI_1996_I424112 91.2 1.7 +1.1 2.8
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* -0.100 1.1*
DELPHI_1996_I424112 91.2 1.3 +1.00 2.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 0.91 +1.2 2.1
DELPHI_1996_I424112 91.2 1.2 +1.5 2.7
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.4 +0.90 2.3
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.50 +0.010 0.51
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 9.4 +0.60 10
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 26 +5.0 31
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 52* +3.0 55*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.54* +0.76 1.3*
DELPHI_1996_I424112 91.2 0.20 +0.12 0.32
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -0.60 3.2*
DELPHI_1996_I424112 91.2 0.57 -0.25 0.32
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -0.20 3.6*
DELPHI_1996_I424112 91.2 1.7 -0.60 1.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* -0.50 3.9*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.7* -0.50 3.2*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.7 -0.30 1.4
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.5 +0.100 4.6
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 9.5 +0.50 10.0
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.56 +0.13 0.69
ALEPH_2004_I636645 [91.2..206] 0.86* -0.080 0.78*
DELPHI_1996_I424112 91.2 0.61 +0.49 1.1
OPAL_2004_I669402 [91.2..197] 0.45 +0.060 0.51
1-Thrust
ALEPH_1996_I428072 91.2 0.73 -0.18 0.55
DELPHI_1996_I424112 91.2 0.70 -0.040 0.66
OPAL_2004_I669402 [91.2..197] 1.3 0 1.3
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 0.63 -0.080 0.55
ALEPH_2004_I636645 [133..206] 0.62* -0.010 0.61*
DELPHI_1996_I424112 91.2 1.4 -0.30 1.1
OPAL_1998_I472637 91.2 1.7 +0.40 2.1*
SLD_2004_I630327 91.2 1.7 +3.4 5.1
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 7.7 -1.0 6.7
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.63* 0 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.9 -0.10 2.8
SLD_2004_I630327 91.2 7.7* +2.3 10*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 -0.10 1.2
OPAL_1993_I342766 91.2 32 0 32
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 15 -1.0 14
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 45 0 45
DELPHI_1995_I394716 91.2 0.21 -0.020 0.19
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 4.3 +1.2 5.5
DELPHI_1995_I394716 91.2 0.16 +0.20 0.36
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 74 +2.0 76
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 12 +2.0 14
L3_1992_I336180 91.2 1.3 -0.10 1.2
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 n/a - 18
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 7.4 +1.3 8.7
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.49 -0.100 0.39
ALEPH_2004_I636645 [133..206] 0.64* +0.020 0.66*
DELPHI_1996_I424112 91.2 0.76 -0.070 0.69
OPAL_1998_I472637 91.2 1.6 -0.96 0.64*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 0.92 +0.070 0.99
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.2 -0.100 1.1
SLD_2004_I630327 91.2 5.6* +10 16*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.4 +0.20 3.6
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.52 +0.100 0.62
SLD_2004_I630327 91.2 1.9 +0.50 2.4*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.9 -0.20 2.7
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.73* +0.020 0.75*
DELPHI_1996_I424112 91.2 0.19 -0.050 0.14
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.35 +0.070 0.42
ALEPH_2004_I636645 [133..206] 0.49* -0.010 0.48*
DELPHI_1996_I424112 91.2 0.21 -0.030 0.18

* 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.