Generator / tune

Details for Pythia 6.426 p2010 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 2.5 -0.50 2.0
ALEPH_2004_I636645 [91.2..206] 0.90* +1.00 1.9*
DELPHI_1996_I424112 91.2 2.1 -0.40 1.7
OPAL_2004_I669402 [91.2..197] 1.6 -0.20 1.4
C parameter
ALEPH_1996_I428072 91.2 0.93 -0.050 0.88
ALEPH_2004_I636645 [91.2..206] 0.90* +0.20 1.1*
DELPHI_1996_I424112 91.2 1.4 -0.100 1.3
OPAL_2004_I669402 [91.2..197] 1.7 -0.100 1.6
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 3.1 -0.80 2.3
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.48 -0.22 0.26
ALEPH_2004_I636645 [91.2..206] 0.27* +0.49 0.76*
DELPHI_1996_I424112 91.2 0.61 -0.26 0.35
OPAL_2004_I669402 [91.2..197] 1.5 0 1.5
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.83 -0.15 0.68
OPAL_2004_I669402 [91.2..197] 2.0 -0.30 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] 0.82* -0.020 0.80*
DELPHI_1996_I424112 91.2 0.44 -0.29 0.15
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.46* +0.46 0.92*
DELPHI_1996_I424112 91.2 0.54 +0.14 0.68
Sphericity
ALEPH_1996_I428072 91.2 0.54 +0.040 0.58
ALEPH_2004_I636645 [91.2..206] 0.49* +0.41 0.90*
DELPHI_1996_I424112 91.2 0.52 -0.030 0.49
OPAL_2004_I669402 [91.2..197] 0.82 -0.040 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] 0.95* +0.15 1.1*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.49* +0.51 1.0*
DELPHI_1996_I424112 91.2 0.91 -0.090 0.82
OPAL_2004_I669402 [91.2..197] 0.86 +0.020 0.88
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.7 -0.60 2.1
ALEPH_2004_I636645 [91.2..206] 0.94* +1.1 2.0*
DELPHI_1996_I424112 91.2 3.3 -0.30 3.0
OPAL_2004_I669402 [91.2..197] 2.1 -0.30 1.8
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] 0.41* +1.1 1.5*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.66 -0.100 0.56
ALEPH_2004_I636645 [91.2..206] 0.44* -0.010 0.43*
OPAL_2004_I669402 [91.2..197] 0.87 -0.14 0.73
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] 0.59* 0 0.59*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.79* -0.030 0.76*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.75* 0 0.75*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.4 +0.40 1.8
OPAL_2003_I599181 91.2 5.0 -1.0 4.0
SLD_2002_I582951 91.2 0.33 -0.060 0.27
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] 0.19* +0.64 0.83*
DELPHI_1996_I424112 91.2 1.0 -0.18 0.82
OPAL_2004_I669402 [91.2..197] 0.89 +0.020 0.91
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.44* +0.37 0.81*
DELPHI_1996_I424112 91.2 0.74 -0.18 0.56
OPAL_2004_I669402 [91.2..197] 0.95 -0.15 0.80
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 1.1 -0.31 0.79
OPAL_2004_I669402 [91.2..197] 1.0 0 1.0
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.32 +0.17 0.49
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 15 0 15
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 19 - n/a
EEC
DELPHI_1996_I424112 91.2 0.45 -0.17 0.28
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.2 +0.30 1.5
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 1.8 -0.10 1.7
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 0.041 +0.023 0.064
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.27 +0.040 0.31
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 28 0 28
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 31 -9.0 22
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 2.3 +0.30 2.6
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 1.5 -0.10 1.4
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 0.48 +0.040 0.52
DELPHI_1996_I424112 91.2 0.71 +0.050 0.76
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.1* -0.10 1.00*
DELPHI_1996_I424112 91.2 0.73 -0.090 0.64
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 2.3 -0.100 2.2
DELPHI_1996_I424112 91.2 1.7 +0.10 1.8
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - 3.5
DELPHI_1996_I424112 91.2 2.0 +0.10 2.1
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.59 -0.040 0.55
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.64 -0.12 0.52
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 11 0 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 22 -2.0 20
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] 0.71* +1.1 1.8*
DELPHI_1996_I424112 91.2 0.23 +0.19 0.42
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* 0 4.4*
DELPHI_1996_I424112 91.2 0.97 -0.28 0.69
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.2* -1.1 4.1*
DELPHI_1996_I424112 91.2 3.0 -0.50 2.5
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 6.0* -0.30 5.7*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.1* -0.80 4.3*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 3.5 +0.50 4.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 7.4 0 7.4
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 63 - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 11 0 11
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.75 +0.060 0.81
ALEPH_2004_I636645 [91.2..206] 0.87* -0.29 0.58*
DELPHI_1996_I424112 91.2 0.92 +0.030 0.95
OPAL_2004_I669402 [91.2..197] 0.60 +0.080 0.68
1-Thrust
ALEPH_1996_I428072 91.2 1.4 -0.30 1.1
DELPHI_1996_I424112 91.2 1.1 -0.17 0.93
OPAL_2004_I669402 [91.2..197] 1.9 -0.100 1.8
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 0.69 +0.21 0.90
ALEPH_2004_I636645 [133..206] 0.81* 0 0.81*
DELPHI_1996_I424112 91.2 0.32 +0.15 0.47
OPAL_1998_I472637 91.2 1.9 +0.10 2.0
SLD_2004_I630327 91.2 2.6 -0.30 2.3
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 6.0 -0.70 5.3
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.82* 0 0.82*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.5 -0.20 1.3
SLD_2004_I630327 91.2 7.7* -0.40 7.3*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.5 -0.10 1.4
OPAL_1993_I342766 91.2 55 +2.0 57
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 9.0 -0.70 8.3
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 13 -3.0 10
DELPHI_1995_I394716 91.2 2.5 0 2.5
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 4.1 -0.40 3.7
DELPHI_1995_I394716 91.2 0.82 +0.15 0.97
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 35 -2.0 33
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 17 +1.0 18
L3_1992_I336180 91.2 1.8 +0.100 1.9
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 11 +3.0 14
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 8.8 +0.60 9.4
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.73 +0.21 0.94
ALEPH_2004_I636645 [133..206] 0.95* -0.16 0.79*
DELPHI_1996_I424112 91.2 0.54 +0.12 0.66
OPAL_1998_I472637 91.2 0.75* +0.090 0.84*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 2.3 0 2.3
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 0.50 -0.11 0.39
SLD_2004_I630327 91.2 12* -6.3 5.7*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.1 0 3.1
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 1.5 +0.20 1.7
SLD_2004_I630327 91.2 3.0 +0.20 3.2
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 1.7 0 1.7
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.84* -0.060 0.78*
DELPHI_1996_I424112 91.2 0.44 +0.010 0.45
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.31 +0.030 0.34
ALEPH_2004_I636645 [133..206] 0.54* +0.16 0.70*
DELPHI_1996_I424112 91.2 0.54 -0.030 0.51

* 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.