Generator / tune

Details for Pythia 6.426 dwt vs. 6.427

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Aplanarity
ALEPH_1996_I428072 91.2 2.6 0 2.6
ALEPH_2004_I636645 [91.2..206] 0.78* +0.020 0.80*
DELPHI_1996_I424112 91.2 1.9 +0.20 2.1
OPAL_2004_I669402 [91.2..197] 0.97 -0.040 0.93
C parameter
ALEPH_1996_I428072 91.2 0.78 -0.12 0.66
ALEPH_2004_I636645 [91.2..206] 0.76* -0.010 0.75*
DELPHI_1996_I424112 91.2 0.67 -0.20 0.47
OPAL_2004_I669402 [91.2..197] 0.62 +0.100 0.72
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.5 -0.10 1.4
OPAL_2004_I669402 [91.2..197] 0.91 +0.29 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.24 -0.070 0.17
ALEPH_2004_I636645 [91.2..206] 0.42* +0.16 0.58*
DELPHI_1996_I424112 91.2 0.51 -0.26 0.25
OPAL_2004_I669402 [91.2..197] 1.1 -0.15 0.95
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.90 -0.20 0.70
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
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] 0.87* +0.43 1.3*
DELPHI_1996_I424112 91.2 0.32 -0.23 0.089
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.37* +0.50 0.87*
DELPHI_1996_I424112 91.2 0.41 -0.13 0.28
Sphericity
ALEPH_1996_I428072 91.2 0.40 +0.15 0.55
ALEPH_2004_I636645 [91.2..206] 0.32* +0.32 0.64*
DELPHI_1996_I424112 91.2 0.31 +0.010 0.32
OPAL_2004_I669402 [91.2..197] 0.70 +0.080 0.78
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.66* +0.84 1.5*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.35* +0.75 1.1*
DELPHI_1996_I424112 91.2 0.26 +0.11 0.37
OPAL_2004_I669402 [91.2..197] 0.60 +0.090 0.69
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 +0.30 1.9
ALEPH_2004_I636645 [91.2..206] 0.75* -0.040 0.71*
DELPHI_1996_I424112 91.2 1.3 +0.40 1.7
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
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] 0.097* 0 0.097*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.53 - n/a
ALEPH_2004_I636645 [91.2..206] 0.42* +0.39 0.81*
OPAL_2004_I669402 [91.2..197] 0.75 -0.040 0.71
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* +0.030 0.68*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.90* +0.20 1.1*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.97* +0.13 1.1*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.3 +0.10 5.4
OPAL_2003_I599181 91.2 7.3 +0.20 7.5
SLD_2002_I582951 91.2 2.7 0 2.7
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] 0.27* +0.49 0.76*
DELPHI_1996_I424112 91.2 0.30 +0.16 0.46
OPAL_2004_I669402 [91.2..197] 0.57 +0.11 0.68
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.46* +0.44 0.90*
DELPHI_1996_I424112 91.2 0.17 +0.12 0.29
OPAL_2004_I669402 [91.2..197] 0.51 -0.020 0.49
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.54 -0.020 0.52
OPAL_2004_I669402 [91.2..197] 0.76 +0.11 0.87
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.49 +0.020 0.51
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 -2.0 10
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 12 +1.0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 20 -1.0 19
EEC
DELPHI_1996_I424112 91.2 0.12 +0.010 0.13
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.8 -0.40 1.4
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 3.8 +0.20 4.0
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 0.095 +0.025 0.12
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.18 +0.030 0.21
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 17 +1.0 18
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 26 -6.0 20
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 13 0 13
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 2.3 +0.20 2.5
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.5 -0.10 1.4
DELPHI_1996_I424112 91.2 2.3 -0.20 2.1
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.0* +0.20 1.2*
DELPHI_1996_I424112 91.2 1.6 -0.30 1.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 13 +1.0 14
DELPHI_1996_I424112 91.2 15 0 15
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 14 +2.0 16
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.4 -0.30 1.1
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.0 -0.51 0.49
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 16 0 16
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 51* -1.0 50*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.78* +1.2 2.0*
DELPHI_1996_I424112 91.2 0.42 -0.020 0.40
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.4* +1.1 6.5*
DELPHI_1996_I424112 91.2 2.4 -0.20 2.2
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3* +2.7 4.0*
DELPHI_1996_I424112 91.2 3.9 -0.40 3.5
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.1* -0.30 4.8*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.6* +0.40 2.0*
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 2.6 -0.30 2.3
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 27 - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 18 0 18
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.60 +0.13 0.73
ALEPH_2004_I636645 [91.2..206] 0.46* +1.4 1.9*
DELPHI_1996_I424112 91.2 0.52 +0.25 0.77
OPAL_2004_I669402 [91.2..197] 0.70 +0.070 0.77
1-Thrust
ALEPH_1996_I428072 91.2 0.28 +0.21 0.49
DELPHI_1996_I424112 91.2 0.29 +0.17 0.46
OPAL_2004_I669402 [91.2..197] 0.72 +0.020 0.74
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 1.1 +0.20 1.3
ALEPH_2004_I636645 [133..206] 0.61* +0.020 0.63*
DELPHI_1996_I424112 91.2 1.5 +0.30 1.8
OPAL_1998_I472637 91.2 1.6 +0.40 2.0*
SLD_2004_I630327 91.2 2.4 +1.6 4.0
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 16 0 16
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.63* 0 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 5.0 -0.20 4.8
SLD_2004_I630327 91.2 8.9* +2.1 11*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 7.5 +0.40 7.9
OPAL_1993_I342766 91.2 42 +2.0 44
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 5.8 -1.1 4.7
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 17 -2.0 15
DELPHI_1995_I394716 91.2 16 -1.0 15
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 1.8 +0.20 2.0
DELPHI_1995_I394716 91.2 1.1 -0.10 1.0
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 13 +4.0 17
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 13 +2.0 15
L3_1992_I336180 91.2 0.96 0 0.96
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 37 +2.0 39
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.8 +2.2 12
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.84 +0.26 1.1
ALEPH_2004_I636645 [133..206] 0.66* -0.070 0.59*
DELPHI_1996_I424112 91.2 0.93 +0.17 1.1
OPAL_1998_I472637 91.2 1.6 -0.61 0.99*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 5.2 +0.20 5.4
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 3.0 -0.20 2.8
SLD_2004_I630327 91.2 14* -1.0 13*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 25 -1.0 24
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.45 +0.070 0.52
SLD_2004_I630327 91.2 1.9 +0.10 2.0
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.88 -0.13 0.75
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.64* +0.020 0.66*
DELPHI_1996_I424112 91.2 0.54 +0.28 0.82
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.15 +0.020 0.17
ALEPH_2004_I636645 [133..206] 0.47* +0.14 0.61*
DELPHI_1996_I424112 91.2 0.28 +0.100 0.38

* 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.