Generator / tune

Details for Pythia 6.427 373 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 2.0 -0.50 1.5
ALEPH_2004_I636645 [91.2..206] 1.6* -0.98 0.62*
DELPHI_1996_I424112 91.2 1.9 -0.90 1.0
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
C parameter
ALEPH_1996_I428072 91.2 0.80 -0.18 0.62
ALEPH_2004_I636645 [91.2..206] 1.1* -0.47 0.63*
DELPHI_1996_I424112 91.2 1.1 -0.26 0.84
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 2.5 -0.50 2.0
OPAL_2004_I669402 [91.2..197] 1.1 -0.10 1.0
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.32 +0.16 0.48
ALEPH_2004_I636645 [91.2..206] 0.72* -0.44 0.28*
DELPHI_1996_I424112 91.2 0.54 +0.26 0.80
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 1.7 -0.40 1.3
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] 0.65* +0.19 0.84*
DELPHI_1996_I424112 91.2 0.36 +0.48 0.84
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.92* -0.43 0.49*
DELPHI_1996_I424112 91.2 0.59 +0.11 0.70
Sphericity
ALEPH_1996_I428072 91.2 0.37 +0.15 0.52
ALEPH_2004_I636645 [91.2..206] 0.95* -0.43 0.52*
DELPHI_1996_I424112 91.2 0.32 +0.33 0.65
OPAL_2004_I669402 [91.2..197] 0.71 -0.010 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] 1.2* -0.42 0.78*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.00* -0.44 0.56*
DELPHI_1996_I424112 91.2 0.94 -0.31 0.63
OPAL_2004_I669402 [91.2..197] 0.66 -0.070 0.59
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.4 -0.80 1.6
ALEPH_2004_I636645 [91.2..206] 1.8* -0.97 0.83*
DELPHI_1996_I424112 91.2 3.0 -1.1 1.9
OPAL_2004_I669402 [91.2..197] 1.6 -0.10 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] 0.88* +0.42 1.3*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.33 -0.030 0.30
ALEPH_2004_I636645 [91.2..206] 0.44* +0.070 0.51*
OPAL_2004_I669402 [91.2..197] 0.64 -0.050 0.59
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* -0.040 0.50*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.67* +0.020 0.69*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.80* +0.090 0.89*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.7 0 1.7
OPAL_2003_I599181 91.2 4.2 +0.30 4.5
SLD_2002_I582951 91.2 0.21 +0.030 0.24
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] 0.81* -0.57 0.24*
DELPHI_1996_I424112 91.2 0.75 -0.080 0.67
OPAL_2004_I669402 [91.2..197] 0.74 -0.11 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] 0.73* -0.20 0.53*
DELPHI_1996_I424112 91.2 0.60 +0.060 0.66
OPAL_2004_I669402 [91.2..197] 0.83 -0.17 0.66
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.77 -0.050 0.72
OPAL_2004_I669402 [91.2..197] 0.85 -0.030 0.82
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.39 +0.42 0.81
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 14 -1.0 13
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 17 0 17
EEC
DELPHI_1996_I424112 91.2 0.33 -0.040 0.29
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.97 +0.030 1.00
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 -0.10 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 0.059 -0.017 0.042
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.22 -0.050 0.17
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 28 -4.0 24
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 28 -4.0 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 5.6 +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 2.8 -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 1.5 +0.20 1.7
DELPHI_1996_I424112 91.2 2.3 +0.40 2.7
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 1.9 +0.10 2.0
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.8 +0.40 2.2
DELPHI_1996_I424112 91.2 2.1 +0.50 2.6
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 2.1 - n/a
DELPHI_1996_I424112 91.2 1.9 +0.60 2.5
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.38 +0.16 0.54
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.1 -0.23 0.87
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 11 +1.0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 30 -1.0 29
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] 1.6* -1.0 0.56*
DELPHI_1996_I424112 91.2 0.20 +0.13 0.33
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.2* -0.50 3.7*
DELPHI_1996_I424112 91.2 0.59 +0.080 0.67
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* -2.5 1.6*
DELPHI_1996_I424112 91.2 2.4 -0.30 2.1
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.7* -0.70 5.0*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.9* -0.90 4.0*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.1 +0.10 2.2
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.9 0 4.9
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 8.7 +1.3 10
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.87 +0.050 0.92
ALEPH_2004_I636645 [91.2..206] 0.59* +0.34 0.93*
DELPHI_1996_I424112 91.2 1.2 0 1.2
OPAL_2004_I669402 [91.2..197] 0.53 +0.040 0.57
1-Thrust
ALEPH_1996_I428072 91.2 0.92 -0.10 0.82
DELPHI_1996_I424112 91.2 0.79 -0.12 0.67
OPAL_2004_I669402 [91.2..197] 1.6 -0.20 1.4
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 0.34 -0.070 0.27
ALEPH_2004_I636645 [133..206] 0.68* -0.10 0.58*
DELPHI_1996_I424112 91.2 0.66 -0.12 0.54
OPAL_1998_I472637 91.2 1.7 -0.100 1.6
SLD_2004_I630327 91.2 2.4 -0.90 1.5
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 4.9 +0.100 5.0
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.69* -0.090 0.60*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.0 0 2.0
SLD_2004_I630327 91.2 9.2* -0.40 8.8*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.1 0 1.1
OPAL_1993_I342766 91.2 34 +1.0 35
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 2.5 +0.10 2.6
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 11 0 11
DELPHI_1995_I394716 91.2 12 0 12
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 5.7 +0.50 6.2
DELPHI_1995_I394716 91.2 4.4 -0.50 3.9
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 1.4 -0.40 1.00
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 11 +1.0 12
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 9.9 +4.1 14
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 6.5 +4.5 11
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.29 -0.060 0.23
ALEPH_2004_I636645 [133..206] 0.81* -0.18 0.63*
DELPHI_1996_I424112 91.2 0.45 -0.060 0.39
OPAL_1998_I472637 91.2 1.9* -0.40 1.5
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.7 +0.20 1.9
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.3 0 1.3
SLD_2004_I630327 91.2 12* -3.8 8.2*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.3 -0.20 3.1
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.51 +0.070 0.58
SLD_2004_I630327 91.2 2.4 -0.50 1.9
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] 0.74* -0.040 0.70*
DELPHI_1996_I424112 91.2 0.21 -0.070 0.14
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.28 -0.040 0.24
ALEPH_2004_I636645 [133..206] 0.67* -0.29 0.38*
DELPHI_1996_I424112 91.2 0.17 +0.080 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.