Generator / tune

Details for Pythia 6.426 358 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 2.2 -0.10 2.1
ALEPH_2004_I636645 [91.2..206] 0.76* -0.080 0.68*
DELPHI_1996_I424112 91.2 2.1 -0.20 1.9
OPAL_2004_I669402 [91.2..197] 1.2 0 1.2
C parameter
ALEPH_1996_I428072 91.2 0.83 -0.040 0.79
ALEPH_2004_I636645 [91.2..206] 0.80* 0 0.80*
DELPHI_1996_I424112 91.2 1.1 +0.20 1.3
OPAL_2004_I669402 [91.2..197] 1.4 +0.10 1.5
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 2.9 0 2.9
OPAL_2004_I669402 [91.2..197] 1.2 -0.100 1.1
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.38 -0.070 0.31
ALEPH_2004_I636645 [91.2..206] 0.34* -0.090 0.25*
DELPHI_1996_I424112 91.2 0.52 -0.11 0.41
OPAL_2004_I669402 [91.2..197] 1.8 +0.100 1.9
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 1.4 0 1.4
OPAL_2004_I669402 [91.2..197] 2.5 -0.10 2.4
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] 0.59* +0.35 0.94*
DELPHI_1996_I424112 91.2 0.38 -0.22 0.16
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.72* -0.22 0.50*
DELPHI_1996_I424112 91.2 1.1 -0.66 0.44
Sphericity
ALEPH_1996_I428072 91.2 0.44 -0.010 0.43
ALEPH_2004_I636645 [91.2..206] 0.40* +0.070 0.47*
DELPHI_1996_I424112 91.2 0.45 -0.080 0.37
OPAL_2004_I669402 [91.2..197] 0.68 -0.010 0.67
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.85* +0.020 0.87*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.39* +0.12 0.51*
DELPHI_1996_I424112 91.2 0.76 -0.030 0.73
OPAL_2004_I669402 [91.2..197] 0.74 +0.11 0.85
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 -0.30 2.4
ALEPH_2004_I636645 [91.2..206] 1.3* -0.40 0.90*
DELPHI_1996_I424112 91.2 3.1 -0.30 2.8
OPAL_2004_I669402 [91.2..197] 1.7 +0.10 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] 1.2* -0.76 0.44*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.36 +0.050 0.41
ALEPH_2004_I636645 [91.2..206] 0.45* +0.020 0.47*
OPAL_2004_I669402 [91.2..197] 0.68 0 0.68
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] 0.74* -0.23 0.51*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.74* -0.030 0.71*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.80* -0.090 0.71*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 2.0 -0.40 1.6
OPAL_2003_I599181 91.2 5.4 -0.60 4.8
SLD_2002_I582951 91.2 0.54 -0.090 0.45
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] 0.47* -0.29 0.18*
DELPHI_1996_I424112 91.2 0.63 +0.080 0.71
OPAL_2004_I669402 [91.2..197] 0.74 +0.040 0.78
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.58* -0.14 0.44*
DELPHI_1996_I424112 91.2 0.49 0 0.49
OPAL_2004_I669402 [91.2..197] 0.85 -0.060 0.79
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.82 +0.010 0.83
OPAL_2004_I669402 [91.2..197] 0.98 +0.020 1.00
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.58 -0.33 0.25
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 +1.0 13
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 15 -1.0 14
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 20 -2.0 18
EEC
DELPHI_1996_I424112 91.2 0.33 +0.030 0.36
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.1 -0.36 0.74
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 1.2 +0.10 1.3
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 0.074 +0.0010 0.075
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.23 -0.030 0.20
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 27 -4.0 23
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 34 -7.0 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 7.8 +0.80 8.6
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 3.0 -0.10 2.9
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.6 +0.20 1.8
DELPHI_1996_I424112 91.2 2.4 -0.20 2.2
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.8* -0.60 1.2*
DELPHI_1996_I424112 91.2 1.9 -0.30 1.6
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.6 0 1.6
DELPHI_1996_I424112 91.2 1.8 +0.100 1.9
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.8 +0.40 2.2
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.43 -0.14 0.29
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.83 -0.060 0.77
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 31 +3.0 34
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 28* +25 53*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.2* -1.5 0.68*
DELPHI_1996_I424112 91.2 0.21 +0.29 0.50
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.2* +0.30 4.5*
DELPHI_1996_I424112 91.2 0.65 -0.11 0.54
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 5.5* -0.70 4.8*
DELPHI_1996_I424112 91.2 3.0 +0.30 3.3
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 6.1* 0 6.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.9* -2.1 2.8*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.2 -0.10 2.1
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.3 -0.30 5.0
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 54 -9.0 45
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 12 +1.0 13
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.4 -0.69 0.71
ALEPH_2004_I636645 [91.2..206] 1.3* -0.35 0.95*
DELPHI_1996_I424112 91.2 1.5 -0.67 0.83
OPAL_2004_I669402 [91.2..197] 0.71 -0.13 0.58
1-Thrust
ALEPH_1996_I428072 91.2 0.99 +0.21 1.2
DELPHI_1996_I424112 91.2 0.83 +0.12 0.95
OPAL_2004_I669402 [91.2..197] 1.5 +0.30 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 0.25 0 0.25
ALEPH_2004_I636645 [133..206] 0.57* +0.050 0.62*
DELPHI_1996_I424112 91.2 0.55 +0.010 0.56
OPAL_1998_I472637 91.2 1.7 -0.100 1.6
SLD_2004_I630327 91.2 2.2 -0.40 1.8
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 3.1 +0.10 3.2
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.59* +0.050 0.64*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.8 +0.100 1.9
SLD_2004_I630327 91.2 11* -1.0 10*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.1 0 1.1
OPAL_1993_I342766 91.2 36 +1.0 37
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 3.6 +0.10 3.7
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 13 -3.0 10
DELPHI_1995_I394716 91.2 13 -2.0 11
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.5 +0.40 6.9
DELPHI_1995_I394716 91.2 4.3 -0.60 3.7
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 3.8 -0.50 3.3
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 26 0 26
L3_1992_I336180 91.2 1.9 +0.10 2.0
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 20 0 20
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 8.7 +0.20 8.9
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.30 -0.020 0.28
ALEPH_2004_I636645 [133..206] 0.66* 0 0.66*
DELPHI_1996_I424112 91.2 0.36 +0.020 0.38
OPAL_1998_I472637 91.2 1.6 -0.97 0.63*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.9 -0.100 1.8
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.0 +0.20 2.2
SLD_2004_I630327 91.2 8.3* +0.80 9.1*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.4 +0.30 3.7
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.55 +0.010 0.56
SLD_2004_I630327 91.2 2.6 -0.30 2.3
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.0 -0.10 1.9
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.40* +0.22 0.62*
DELPHI_1996_I424112 91.2 0.15 +0.020 0.17
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.26 +0.010 0.27
ALEPH_2004_I636645 [133..206] 0.31* +0.060 0.37*
DELPHI_1996_I424112 91.2 0.16 +0.020 0.18

* 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.