Generator / tune

Details for Pythia 6.426 360 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 1.3 -0.20 1.1
ALEPH_2004_I636645 [91.2..206] 0.50* +0.90 1.4*
DELPHI_1996_I424112 91.2 0.98 -0.16 0.82
OPAL_2004_I669402 [91.2..197] 0.73 -0.010 0.72
C parameter
ALEPH_1996_I428072 91.2 0.48 +0.030 0.51
ALEPH_2004_I636645 [91.2..206] 0.77* +0.18 0.95*
DELPHI_1996_I424112 91.2 0.92 -0.32 0.60
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
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] 0.95 +0.020 0.97
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.23 0 0.23
ALEPH_2004_I636645 [91.2..206] 0.22* +0.33 0.55*
DELPHI_1996_I424112 91.2 0.25 -0.020 0.23
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 0.98 -0.44 0.54
OPAL_2004_I669402 [91.2..197] 1.8 0 1.8
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] 0.80* -0.11 0.69*
DELPHI_1996_I424112 91.2 0.12 +0.14 0.26
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.51* +0.40 0.91*
DELPHI_1996_I424112 91.2 0.51 +0.14 0.65
Sphericity
ALEPH_1996_I428072 91.2 0.098 +0.20 0.30
ALEPH_2004_I636645 [91.2..206] 0.53* +0.14 0.67*
DELPHI_1996_I424112 91.2 0.17 +0.11 0.28
OPAL_2004_I669402 [91.2..197] 0.59 +0.11 0.70
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* +0.15 1.0*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.59* +0.14 0.73*
DELPHI_1996_I424112 91.2 0.59 +0.100 0.69
OPAL_2004_I669402 [91.2..197] 0.52 +0.030 0.55
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 1.3
ALEPH_2004_I636645 [91.2..206] 0.71* +0.79 1.5*
DELPHI_1996_I424112 91.2 2.0 -0.20 1.8
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 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] 0.79* -0.44 0.35*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - 0.19
ALEPH_2004_I636645 [91.2..206] 0.54* -0.080 0.46*
OPAL_2004_I669402 [91.2..197] 0.58 +0.030 0.61
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] 0.49* +0.14 0.63*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.66* -0.040 0.62*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.85* -0.030 0.82*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.4 +0.30 1.7
OPAL_2003_I599181 91.2 2.7 +1.0 3.7
SLD_2002_I582951 91.2 0.30 +0.030 0.33
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] 0.26* +0.45 0.71*
DELPHI_1996_I424112 91.2 0.62 +0.050 0.67
OPAL_2004_I669402 [91.2..197] 0.58 +0.090 0.67
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.56* +0.12 0.68*
DELPHI_1996_I424112 91.2 0.50 +0.040 0.54
OPAL_2004_I669402 [91.2..197] 0.66 +0.080 0.74
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.48 -0.13 0.35
OPAL_2004_I669402 [91.2..197] 0.67 +0.060 0.73
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.20 +0.100 0.30
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 11 +2.0 13
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 19 0 19
EEC
DELPHI_1996_I424112 91.2 0.26 -0.040 0.22
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.0 +0.60 1.6
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 2.1 -0.10 2.0
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 0.043 +0.012 0.055
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.12 -0.024 0.096
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 19 -6.0 13
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 20 -9.0 11
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 +0.40 2.7
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 2.7 0 2.7
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.3 0 1.3
DELPHI_1996_I424112 91.2 1.8 0 1.8
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* +0.30 1.5*
DELPHI_1996_I424112 91.2 1.5 +0.40 1.9
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.2 +0.70 1.9
DELPHI_1996_I424112 91.2 1.5 +1.0 2.5
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - 1.9
DELPHI_1996_I424112 91.2 1.5 +0.70 2.2
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.51 +0.40 0.91
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.00 +0.80 1.8
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 10 0 10
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 25 +1.0 26
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 52* +2.0 54*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.53* +1.3 1.8*
DELPHI_1996_I424112 91.2 0.26 +0.080 0.34
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.7* 0 3.7*
DELPHI_1996_I424112 91.2 0.66 -0.080 0.58
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3* +2.5 3.8*
DELPHI_1996_I424112 91.2 1.8 -0.10 1.7
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.9* +0.90 4.8*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.4* +0.50 3.9*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.9 -0.30 1.6
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.9 -0.70 4.2
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 9.6 0 9.6
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.49 0 0.49
ALEPH_2004_I636645 [91.2..206] 0.83* 0 0.83*
DELPHI_1996_I424112 91.2 0.64 +0.12 0.76
OPAL_2004_I669402 [91.2..197] 0.44 +0.080 0.52
1-Thrust
ALEPH_1996_I428072 91.2 0.62 0 0.62
DELPHI_1996_I424112 91.2 0.58 +0.050 0.63
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
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 0.55 +0.16 0.71
ALEPH_2004_I636645 [133..206] 0.63* +0.080 0.71*
DELPHI_1996_I424112 91.2 1.3 +0.20 1.5
OPAL_1998_I472637 91.2 1.6 +0.100 1.7
SLD_2004_I630327 91.2 2.0 +0.20 2.2
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 8.4 -0.50 7.9
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.64* +0.080 0.72*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.9 +0.10 3.0
SLD_2004_I630327 91.2 8.3* -1.3 7.0
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.3 -0.10 1.2
OPAL_1993_I342766 91.2 33 -2.0 31
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 15 +1.0 16
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 57 -16 41
DELPHI_1995_I394716 91.2 0.21 +0.020 0.23
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.4 -0.20 6.2
DELPHI_1995_I394716 91.2 0.20 -0.020 0.18
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 75 +2.0 77
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 12 0 12
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 15 - n/a
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.2 +0.80 10
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.53 -0.040 0.49
ALEPH_2004_I636645 [133..206] 0.66* +0.17 0.83*
DELPHI_1996_I424112 91.2 0.73 +0.070 0.80
OPAL_1998_I472637 91.2 0.70* +0.010 0.71*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.1 0 1.1
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.1 +0.100 1.2
SLD_2004_I630327 91.2 6.3* -0.60 5.7*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.7 -0.20 3.5
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.53 +0.010 0.54
SLD_2004_I630327 91.2 2.3 0 2.3*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.7 +0.20 2.9
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.75* -0.18 0.57*
DELPHI_1996_I424112 91.2 0.25 -0.11 0.14
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.32 +0.050 0.37
ALEPH_2004_I636645 [133..206] 0.48* +0.050 0.53*
DELPHI_1996_I424112 91.2 0.23 -0.10 0.13

* 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.