Generator / tune

Details for Pythia 6.427 375 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 1.4 +0.30 1.7
ALEPH_2004_I636645 [91.2..206] 0.69* -0.030 0.66*
DELPHI_1996_I424112 91.2 1.0 +0.40 1.4
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
C parameter
ALEPH_1996_I428072 91.2 0.59 -0.050 0.54
ALEPH_2004_I636645 [91.2..206] 0.85* -0.060 0.79*
DELPHI_1996_I424112 91.2 0.69 +0.25 0.94
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 1.9 +0.60 2.5
OPAL_2004_I669402 [91.2..197] 1.0 0 1.0
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.20 +0.0100 0.21
ALEPH_2004_I636645 [91.2..206] 0.56* -0.33 0.23*
DELPHI_1996_I424112 91.2 0.32 +0.100 0.42
OPAL_2004_I669402 [91.2..197] 1.8 -0.20 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 1.0 +0.10 1.1
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] 0.86* -0.070 0.79*
DELPHI_1996_I424112 91.2 0.48 -0.030 0.45
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.92* -0.42 0.50*
DELPHI_1996_I424112 91.2 0.76 -0.35 0.41
Sphericity
ALEPH_1996_I428072 91.2 0.29 -0.11 0.18
ALEPH_2004_I636645 [91.2..206] 0.51* +0.080 0.59*
DELPHI_1996_I424112 91.2 0.35 -0.20 0.15
OPAL_2004_I669402 [91.2..197] 0.67 +0.010 0.68
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.3* -0.47 0.83*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.73* -0.15 0.58*
DELPHI_1996_I424112 91.2 0.64 -0.19 0.45
OPAL_2004_I669402 [91.2..197] 0.63 -0.020 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 1.6 +0.20 1.8
ALEPH_2004_I636645 [91.2..206] 1.3* -0.46 0.84*
DELPHI_1996_I424112 91.2 2.0 +0.10 2.1
OPAL_2004_I669402 [91.2..197] 1.6 0 1.6
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] 0.35* +0.75 1.1*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.28 -0.040 0.24
ALEPH_2004_I636645 [91.2..206] 0.63* -0.21 0.42*
OPAL_2004_I669402 [91.2..197] 0.59 +0.050 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] 0.68* -0.14 0.54*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.72* -0.060 0.66*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.78* -0.010 0.77*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.5 +0.20 1.7
OPAL_2003_I599181 91.2 4.6 0 4.6
SLD_2002_I582951 91.2 0.15 +0.15 0.30
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] 0.71* -0.44 0.27*
DELPHI_1996_I424112 91.2 0.60 0 0.60
OPAL_2004_I669402 [91.2..197] 0.68 -0.040 0.64
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.82* -0.24 0.58*
DELPHI_1996_I424112 91.2 0.42 +0.010 0.43
OPAL_2004_I669402 [91.2..197] 0.80 -0.090 0.71
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.68 +0.13 0.81
OPAL_2004_I669402 [91.2..197] 0.82 -0.0100 0.81
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.37 0 0.37
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 +1.0 14
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 14 -2.0 12
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 16 -1.0 15
EEC
DELPHI_1996_I424112 91.2 0.28 +0.0100 0.29
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.88 -0.19 0.69
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 1.6 -0.20 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
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 0.036 +0.0030 0.039
HRS_1986_I18502 29 - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.16 -0.030 0.13
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 24 -5.0 19
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 13 +6.0 19
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 5.2 0 5.2
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 2.5 0 2.5
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.3 +0.100 1.4
DELPHI_1996_I424112 91.2 2.1 +0.10 2.2
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.6* -0.50 1.1*
DELPHI_1996_I424112 91.2 1.5 +0.40 1.9
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.6 +0.100 1.7
DELPHI_1996_I424112 91.2 1.9 +0.20 2.1
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.9 +0.20 2.1
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.43 -0.11 0.32
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.91 -0.18 0.73
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 13 -2.0 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 28 +2.0 30
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 54* -2.0 52*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.2* -1.6 0.58*
DELPHI_1996_I424112 91.2 0.30 -0.050 0.25
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.0* -0.90 4.1*
DELPHI_1996_I424112 91.2 0.50 +0.38 0.88
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.9* -0.60 4.3*
DELPHI_1996_I424112 91.2 2.0 +0.40 2.4
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.3* +0.50 5.8*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* +0.30 4.4*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.2 -0.20 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.2 -0.50 4.7
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 9.9 -0.100 9.8
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.92 -0.27 0.65
ALEPH_2004_I636645 [91.2..206] 1.6* -0.65 0.95*
DELPHI_1996_I424112 91.2 1.2 -0.31 0.89
OPAL_2004_I669402 [91.2..197] 0.55 +0.010 0.56
1-Thrust
ALEPH_1996_I428072 91.2 0.77 +0.040 0.81
DELPHI_1996_I424112 91.2 0.74 -0.060 0.68
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 0.44 -0.15 0.29
ALEPH_2004_I636645 [133..206] 0.58* +0.030 0.61*
DELPHI_1996_I424112 91.2 0.93 -0.37 0.56
OPAL_1998_I472637 91.2 0.52* +1.1 1.6
SLD_2004_I630327 91.2 1.8 0 1.8
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 5.8 -1.0 4.8
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.59* +0.040 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.9 +0.10 2.0
SLD_2004_I630327 91.2 9.4* -1.3 8.1
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.2 0 1.2
OPAL_1993_I342766 91.2 36 -2.0 34
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 2.4 0 2.4
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 9.9 -2.0 7.9
DELPHI_1995_I394716 91.2 11 -1.0 10
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 7.1 -0.30 6.8
DELPHI_1995_I394716 91.2 4.0 +0.90 4.9
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 2.5 -0.30 2.2
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 13 0 13
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 14 +2.0 16
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.8 -2.3 7.5
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.39 -0.16 0.23
ALEPH_2004_I636645 [133..206] 0.63* 0 0.63*
DELPHI_1996_I424112 91.2 0.60 -0.24 0.36
OPAL_1998_I472637 91.2 0.67* -0.080 0.59*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.9 +0.20 2.1
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.2 0 1.2
SLD_2004_I630327 91.2 7.8* +6.2 14*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.1 0 3.1
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.56 +0.0100 0.57
SLD_2004_I630327 91.2 2.4 -0.20 2.2*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.0 +0.10 2.1
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.63* +0.050 0.68*
DELPHI_1996_I424112 91.2 0.15 0 0.15
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.42 -0.020 0.40
ALEPH_2004_I636645 [133..206] 0.60* -0.16 0.44*
DELPHI_1996_I424112 91.2 0.22 +0.010 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 740 histograms.