Generator / tune

Details for Pythia 6.427 377 vs. 6.428

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Aplanarity
ALEPH_1996_I428072 91.2 4.7 -0.30 4.4
ALEPH_2004_I636645 [91.2..206] 1.3* +0.100 1.4*
DELPHI_1996_I424112 91.2 4.1 -0.70 3.4
OPAL_2004_I669402 [91.2..197] 3.1 -0.20 2.9
C parameter
ALEPH_1996_I428072 91.2 1.8 0 1.8
ALEPH_2004_I636645 [91.2..206] 1.5* -0.10 1.4*
DELPHI_1996_I424112 91.2 2.4 -0.20 2.2
OPAL_2004_I669402 [91.2..197] 4.2 -0.40 3.8
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 4.7 -1.1 3.6
OPAL_2004_I669402 [91.2..197] 2.1 -0.20 1.9
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.59 +0.070 0.66
ALEPH_2004_I636645 [91.2..206] 0.31* -0.030 0.28*
DELPHI_1996_I424112 91.2 1.1 +0.100 1.2
OPAL_2004_I669402 [91.2..197] 3.1 +0.10 3.2
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 2.9 +0.10 3.0
OPAL_2004_I669402 [91.2..197] 4.1 -0.20 3.9
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] 0.92* -0.12 0.80*
DELPHI_1996_I424112 91.2 0.36 +0.21 0.57
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.57* -0.020 0.55*
DELPHI_1996_I424112 91.2 0.91 +0.59 1.5
Sphericity
ALEPH_1996_I428072 91.2 1.5 +0.20 1.7
ALEPH_2004_I636645 [91.2..206] 0.58* -0.11 0.47*
DELPHI_1996_I424112 91.2 0.96 +0.24 1.2
OPAL_2004_I669402 [91.2..197] 0.95 -0.030 0.92
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.3* 0 1.3*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.54* -0.13 0.41*
DELPHI_1996_I424112 91.2 3.1 -0.30 2.8
OPAL_2004_I669402 [91.2..197] 2.1 -0.10 2.0
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 5.6 -0.40 5.2
ALEPH_2004_I636645 [91.2..206] 1.0* +0.10 1.1*
DELPHI_1996_I424112 91.2 6.9 -0.60 6.3
OPAL_2004_I669402 [91.2..197] 5.0 -0.50 4.5
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] 0.93* -0.10 0.83*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - 2.0
ALEPH_2004_I636645 [91.2..206] 0.45* +0.030 0.48*
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
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] 0.86* -0.030 0.83*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 1.1* 0 1.1*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.93* -0.020 0.91*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 3.3 +0.20 3.5
OPAL_2003_I599181 91.2 7.5 +0.30 7.8
SLD_2002_I582951 91.2 1.3 0 1.3
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] 0.18* -0.030 0.15*
DELPHI_1996_I424112 91.2 2.5 0 2.5
OPAL_2004_I669402 [91.2..197] 2.4 -0.20 2.2
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.47* -0.050 0.42*
DELPHI_1996_I424112 91.2 2.2 0 2.2
OPAL_2004_I669402 [91.2..197] 2.2 -0.10 2.1
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 3.1 +0.20 3.3
OPAL_2004_I669402 [91.2..197] 3.5 -0.30 3.2
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.46 +0.46 0.92
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 14 0 14
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 15 -2.0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 14 -2.0 12
EEC
DELPHI_1996_I424112 91.2 0.73 -0.15 0.58
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.3 -0.45 0.85
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 1.6 +0.100 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 0.13 0 0.13
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.27 +0.030 0.30
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 22 +5.0 27
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 28 +1.0 29
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 7.0 +0.20 7.2
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 3.2 0 3.2
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 2.9 +0.40 3.3
DELPHI_1996_I424112 91.2 3.6 +0.30 3.9
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 2.9 +0.40 3.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 3.1 +0.40 3.5
DELPHI_1996_I424112 91.2 3.1 +0.60 3.7
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 3.1 +0.80 3.9
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.46 +0.11 0.57
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.87 +0.100 0.97
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 11 +1.0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 30 0 30
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 51* +4.0 55*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.86* +0.040 0.90*
DELPHI_1996_I424112 91.2 0.28 +0.11 0.39
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 7.2* -0.60 6.6*
DELPHI_1996_I424112 91.2 1.5 -0.10 1.4
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.2* +6.4 8.6*
DELPHI_1996_I424112 91.2 5.2 -0.70 4.5
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 12* 0 12*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 7.0* -0.30 6.7*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.6 +0.40 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.6 +0.10 4.7
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 n/a - 29
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 10 -0.50 9.5
Thrust Oblateness
ALEPH_1996_I428072 91.2 2.6 0 2.6
ALEPH_2004_I636645 [91.2..206] 1.2* -0.100 1.1*
DELPHI_1996_I424112 91.2 2.9 +0.40 3.3
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
1-Thrust
ALEPH_1996_I428072 91.2 3.1 -0.20 2.9
DELPHI_1996_I424112 91.2 2.4 -0.10 2.3
OPAL_2004_I669402 [91.2..197] 4.6 -0.70 3.9
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 0.72 -0.12 0.60
ALEPH_2004_I636645 [133..206] 0.54* +0.030 0.57*
DELPHI_1996_I424112 91.2 1.3 -0.20 1.1
OPAL_1998_I472637 91.2 1.8 0 1.8
SLD_2004_I630327 91.2 2.8 +0.20 3.0
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 2.8 +1.2 4.0
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.56* +0.040 0.60*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.3 +0.10 2.4
SLD_2004_I630327 91.2 9.7 +1.3 11*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.0 +0.10 1.1
OPAL_1993_I342766 91.2 31 -1.0 30
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 1.7 +0.80 2.5
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 13 -1.0 12
DELPHI_1995_I394716 91.2 14 -1.0 13
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 8.2 +0.10 8.3
DELPHI_1995_I394716 91.2 4.8 +0.60 5.4
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 3.7 -2.3 1.4
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 17 -3.0 14
L3_1992_I336180 91.2 1.2 0 1.2
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 18 -4.0 14
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 9.5 -2.0 7.5
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.67 -0.10 0.57
ALEPH_2004_I636645 [133..206] 0.65* +0.010 0.66*
DELPHI_1996_I424112 91.2 0.79 -0.13 0.66
OPAL_1998_I472637 91.2 1.6 +0.100 1.7
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.3 -0.20 1.1
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.6 +0.40 2.0
SLD_2004_I630327 91.2 12* +4.0 16*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 2.0 +0.30 2.3
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.46 -0.060 0.40
SLD_2004_I630327 91.2 2.5 +0.10 2.6
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.4 0 2.4
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.65* -0.090 0.56*
DELPHI_1996_I424112 91.2 0.59 -0.27 0.32
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.28 +0.060 0.34
ALEPH_2004_I636645 [133..206] 0.31* +0.020 0.33*
DELPHI_1996_I424112 91.2 0.52 -0.14 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.