Generator / tune

Details for Pythia 6.426 d6t 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 2.8 +0.70 3.5
ALEPH_2004_I636645 [91.2..206] 0.77* +0.010 0.78*
DELPHI_1996_I424112 91.2 1.9 +0.90 2.8
OPAL_2004_I669402 [91.2..197] 1.1 -0.15 0.95
C parameter
ALEPH_1996_I428072 91.2 0.78 +0.32 1.1
ALEPH_2004_I636645 [91.2..206] 0.81* +0.060 0.87*
DELPHI_1996_I424112 91.2 0.59 +0.41 1.0
OPAL_2004_I669402 [91.2..197] 0.66 +0.14 0.80
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.1 +0.70 1.8
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.19 -0.050 0.14
ALEPH_2004_I636645 [91.2..206] 0.59* +0.020 0.61*
DELPHI_1996_I424112 91.2 0.32 -0.080 0.24
OPAL_2004_I669402 [91.2..197] 1.2 +0.20 1.4
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.62 +0.090 0.71
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] 0.83* +0.47 1.3*
DELPHI_1996_I424112 91.2 0.30 -0.040 0.26
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.88* +0.030 0.91*
DELPHI_1996_I424112 91.2 0.77 -0.18 0.59
Sphericity
ALEPH_1996_I428072 91.2 0.64 -0.010 0.63
ALEPH_2004_I636645 [91.2..206] 0.64* +0.030 0.67*
DELPHI_1996_I424112 91.2 0.44 -0.010 0.43
OPAL_2004_I669402 [91.2..197] 0.77 +0.030 0.80
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* +0.40 1.6*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 0.67 -0.13 0.54
OPAL_2004_I669402 [91.2..197] 0.76 +0.020 0.78
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.0 0 2.0
ALEPH_2004_I636645 [91.2..206] 0.77* -0.070 0.70*
DELPHI_1996_I424112 91.2 1.5 +0.20 1.7
OPAL_2004_I669402 [91.2..197] 1.2 +0.20 1.4
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 0.29*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - 0.75
ALEPH_2004_I636645 [91.2..206] 0.86* -0.010 0.85*
OPAL_2004_I669402 [91.2..197] 0.76 +0.020 0.78
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] 0.58* -0.020 0.56*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.93* -0.070 0.86*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.0* 0 1.0*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.7 +0.60 6.3
OPAL_2003_I599181 91.2 7.3 +1.2 8.5
SLD_2002_I582951 91.2 2.5 +0.60 3.1
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] 0.76* +0.020 0.78*
DELPHI_1996_I424112 91.2 0.48 +0.100 0.58
OPAL_2004_I669402 [91.2..197] 0.71 +0.060 0.77
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.92* +0.040 0.96*
DELPHI_1996_I424112 91.2 0.40 -0.040 0.36
OPAL_2004_I669402 [91.2..197] 0.57 0 0.57
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.43 +0.12 0.55
OPAL_2004_I669402 [91.2..197] 0.72 -0.030 0.69
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.75 -0.18 0.57
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 11 -1.1 9.9
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 14 - n/a
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 19 -1.0 18
EEC
DELPHI_1996_I424112 91.2 0.15 +0.030 0.18
EEC Asymmetry
DELPHI_1996_I424112 91.2 2.4 +0.10 2.5
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 3.9 +0.30 4.2
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 0.12 +0.020 0.14
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.18 +0.050 0.23
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 14 +3.0 17
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 19 +8.0 27
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 2.4 +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 0.69 +0.18 0.87
DELPHI_1996_I424112 91.2 0.99 +0.51 1.5
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 0.72 +0.14 0.86
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 12 0 12
DELPHI_1996_I424112 91.2 13 +1.0 14
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 13 +1.0 14
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.88 -0.090 0.79
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.95 -0.23 0.72
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 -1.0 11
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 14 0 14
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 48* +82 130*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.0* 0 2.0*
DELPHI_1996_I424112 91.2 0.63 -0.18 0.45
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 6.8* 0 6.8*
DELPHI_1996_I424112 91.2 2.1 0 2.1
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* -1.4 2.7*
DELPHI_1996_I424112 91.2 2.6 +0.60 3.2
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.6* +0.10 4.7*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.8* 0 1.8*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.0 -0.10 1.9
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 2.3 +0.10 2.4
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 47 - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 17 0 17
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.2 -0.21 0.99
ALEPH_2004_I636645 [91.2..206] 1.9* 0 1.9*
DELPHI_1996_I424112 91.2 1.2 -0.22 0.98
OPAL_2004_I669402 [91.2..197] 0.93 -0.010 0.92
1-Thrust
ALEPH_1996_I428072 91.2 0.32 +0.19 0.51
DELPHI_1996_I424112 91.2 n/a - 0.57
OPAL_2004_I669402 [91.2..197] 0.76 +0.11 0.87
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 1.6 0 1.6
ALEPH_2004_I636645 [133..206] 0.62* +0.010 0.63*
DELPHI_1996_I424112 91.2 2.4 +0.10 2.5
OPAL_1998_I472637 91.2 2.1* -0.40 1.7
SLD_2004_I630327 91.2 2.6 +0.70 3.3
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 17 -1.0 16
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.63* +0.010 0.64*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 4.8 +0.50 5.3
SLD_2004_I630327 91.2 8.7* +0.40 9.1*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 7.9 +0.20 8.1
OPAL_1993_I342766 91.2 45 0 45
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 5.2 -0.40 4.8
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 15 +2.0 17
DELPHI_1995_I394716 91.2 15 0 15
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 3.2 +1.1 4.3
DELPHI_1995_I394716 91.2 0.64 -0.070 0.57
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 26 -4.0 22
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 14 -1.0 13
L3_1992_I336180 91.2 1.0 0 1.0
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 38 -1.0 37
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 12 -1.0 11
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 1.3 +0.100 1.4
ALEPH_2004_I636645 [133..206] 0.60* -0.020 0.58*
DELPHI_1996_I424112 91.2 1.4 0 1.4
OPAL_1998_I472637 91.2 2.0* -1.1 0.95*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 5.5 -0.40 5.1
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.7 -0.30 2.4
SLD_2004_I630327 91.2 13* +1.0 14*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 24 +1.0 25
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.51 -0.090 0.42
SLD_2004_I630327 91.2 1.9 -0.50 1.4*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.90 +0.080 0.98
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.70* -0.060 0.64*
DELPHI_1996_I424112 91.2 1.0 -0.070 0.93
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.19 -0.020 0.17
ALEPH_2004_I636645 [133..206] 0.62* -0.020 0.60*
DELPHI_1996_I424112 91.2 0.68 +0.050 0.73

* 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.