Generator / tune

Details for Pythia 8.306 pptherm vs. 8.307

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (8.306) Δ χ2+5% (8.307)
Aplanarity
ALEPH_1996_I428072 91.2 1.8 -0.30 1.5
ALEPH_2004_I636645 [91.2..206] 1.8* -0.20 1.6*
DELPHI_1996_I424112 91.2 1.3 -0.30 1.0
OPAL_2004_I669402 [91.2..197] 1.1 -0.10 1.0
C parameter
ALEPH_1996_I428072 91.2 0.63 -0.100 0.53
ALEPH_2004_I636645 [91.2..206] 1.0* -0.090 0.91
DELPHI_1996_I424112 91.2 0.81 -0.010 0.80
OPAL_2004_I669402 [91.2..197] 1.5 -0.20 1.3
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.2 -0.20 2.0
OPAL_2004_I669402 [91.2..197] 0.96 -0.050 0.91
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.20 0 0.20
ALEPH_2004_I636645 [91.2..206] 0.52* -0.050 0.47*
DELPHI_1996_I424112 91.2 0.24 +0.070 0.31
OPAL_2004_I669402 [91.2..197] 0.86 -0.040 0.82
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.44 -0.060 0.38
OPAL_2004_I669402 [91.2..197] 1.4 -0.100 1.3
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] 0.78* -0.14 0.64*
DELPHI_1996_I424112 91.2 0.35 -0.12 0.23
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 1.2 0 1.2
DELPHI_1996_I424112 91.2 1.3 +0.20 1.5
Sphericity
ALEPH_1996_I428072 91.2 0.64 -0.100 0.54
ALEPH_2004_I636645 [91.2..206] 0.66* +0.040 0.70*
DELPHI_1996_I424112 91.2 0.71 -0.12 0.59
OPAL_2004_I669402 [91.2..197] 0.85 -0.030 0.82
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 1.3*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.88* -0.040 0.84*
DELPHI_1996_I424112 91.2 0.86 -0.070 0.79
OPAL_2004_I669402 [91.2..197] 0.98 -0.21 0.77
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.9 -0.20 1.7
ALEPH_2004_I636645 [91.2..206] 1.7* 0 1.7*
DELPHI_1996_I424112 91.2 2.1 0 2.1
OPAL_2004_I669402 [91.2..197] 1.7 -0.100 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] 0.29* -0.21 0.082*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.45 -0.070 0.38
ALEPH_2004_I636645 [91.2..206] 0.61* -0.020 0.59*
OPAL_2004_I669402 [91.2..197] 0.49 +0.010 0.50
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] 0.69* -0.0100 0.68*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.75* +0.020 0.77*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.79* 0 0.79*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 8.4 -0.80 7.6
OPAL_2003_I599181 91.2 5.5 +0.20 5.7
SLD_2002_I582951 91.2 2.1 -0.10 2.0
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] 0.80* -0.040 0.76*
DELPHI_1996_I424112 91.2 0.33 +0.12 0.45
OPAL_2004_I669402 [91.2..197] 0.78 -0.16 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] 0.77* -0.050 0.72*
DELPHI_1996_I424112 91.2 0.34 -0.060 0.28
OPAL_2004_I669402 [91.2..197] 0.87 -0.27 0.60
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.39 -0.010 0.38
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.66 -0.090 0.57
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 11 -1.0 10
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 16 -1.0 15
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 13 - n/a
EEC
DELPHI_1996_I424112 91.2 0.22 -0.030 0.19
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.2 -0.100 1.1
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 11 -1.0 10
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 0.33 -0.080 0.25
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.27 -0.11 0.16
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 25 -9.0 16
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 20 +90 110
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 91.2 110 -10 100
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 3.8 -0.50 3.3
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 4.2 -0.90 3.3
DELPHI_1996_I424112 91.2 4.9 -1.0 3.9
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 2.2 -0.10 2.1
DELPHI_1996_I424112 91.2 4.0 -1.3 2.7
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 2.7 -0.20 2.5
DELPHI_1996_I424112 91.2 3.4 -0.20 3.2
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 1.9 0 1.9
DELPHI_1996_I424112 91.2 3.6 -0.60 3.0
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.34 -0.13 0.21
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.67 +0.23 0.90
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 10 -1.2 8.8
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 15 -3.0 12
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 56* +84 140*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.9* -0.100 1.8*
DELPHI_1996_I424112 91.2 0.46 +0.070 0.53
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.1* -0.60 4.5
DELPHI_1996_I424112 91.2 0.76 -0.16 0.60
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.6 0 4.6
DELPHI_1996_I424112 91.2 1.9 -0.40 1.5
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.7 -0.30 5.4
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.7 -0.10 4.6
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.2 +0.60 2.8
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.6 +0.20 5.8
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 91.2 110 +10 120
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.9 -0.20 1.7
ALEPH_2004_I636645 [91.2..206] 1.4* -0.100 1.3*
DELPHI_1996_I424112 91.2 2.4 0 2.4
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
1-Thrust
ALEPH_1996_I428072 91.2 0.97 -0.19 0.78
DELPHI_1996_I424112 91.2 0.81 -0.12 0.69
OPAL_2004_I669402 [91.2..197] 1.8 -0.20 1.6
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 0.56 -0.16 0.40
ALEPH_2004_I636645 [133..206] 0.67 -0.020 0.65
DELPHI_1996_I424112 91.2 0.40 -0.15 0.25
OPAL_1998_I472637 91.2 1.1 0 1.1
SLD_2004_I630327 91.2 1.3 +0.30 1.6
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 550 +180 730
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.67 -0.020 0.65
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 10 -0.40 9.6
SLD_2004_I630327 91.2 7.8* -0.20 7.6*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.4 -0.100 1.3
OPAL_1993_I342766 91.2 20 -1.0 19
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 75 -3.0 72
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 7.1 +2.9 10
DELPHI_1995_I394716 91.2 11 +4.0 15
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 2.5 -1.4 1.1
DELPHI_1995_I394716 91.2 0.56 +0.28 0.84
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 20 +1.0 21
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 9.2 +0.80 10
L3_1992_I336180 91.2 0.96 -0.090 0.87
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 24 -5.0 19
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 4.4 +0.30 4.7
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.50 -0.13 0.37
ALEPH_2004_I636645 [133..206] 1.5 -0.20 1.3
DELPHI_1996_I424112 91.2 0.52 -0.17 0.35
OPAL_1998_I472637 91.2 0.97* +0.23 1.2
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.1 -0.27 0.83
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 34 0 34
SLD_2004_I630327 91.2 140* -10 130*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 24 0 24
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.59 +0.080 0.67
SLD_2004_I630327 91.2 2.5 +0.30 2.8
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.8 +0.40 3.2
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 1.2 -0.100 1.1
DELPHI_1996_I424112 91.2 0.43 -0.030 0.40
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 1.2 -0.100 1.1
ALEPH_2004_I636645 [133..206] 1.1 -0.10 1.0
DELPHI_1996_I424112 91.2 0.67 -0.11 0.56

* 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.