Generator / tune

Details for Pythia 6.427 ambt1 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 7.0 +0.60 7.6
ALEPH_2004_I636645 [91.2..206] 2.1* 0 2.1*
DELPHI_1996_I424112 91.2 5.4 +0.70 6.1
OPAL_2004_I669402 [91.2..197] 4.8 0 4.8
C parameter
ALEPH_1996_I428072 91.2 3.4 +0.10 3.5
ALEPH_2004_I636645 [91.2..206] 2.3* 0 2.3*
DELPHI_1996_I424112 91.2 5.4 +0.20 5.6
OPAL_2004_I669402 [91.2..197] 7.2 -0.50 6.7
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 6.0 +1.2 7.2
OPAL_2004_I669402 [91.2..197] 3.6 0 3.6
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 2.4 -0.10 2.3
ALEPH_2004_I636645 [91.2..206] 0.40* +0.070 0.47*
DELPHI_1996_I424112 91.2 4.1 -0.20 3.9
OPAL_2004_I669402 [91.2..197] 5.6 0 5.6
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 7.9 +0.100 8.0
OPAL_2004_I669402 [91.2..197] 7.4 -0.10 7.3
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] 0.78* 0 0.78*
DELPHI_1996_I424112 91.2 1.7 -1.1 0.57
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.49* 0 0.49*
DELPHI_1996_I424112 91.2 0.79 +0.030 0.82
Sphericity
ALEPH_1996_I428072 91.2 3.0 +0.30 3.3
ALEPH_2004_I636645 [91.2..206] 0.55* -0.070 0.48*
DELPHI_1996_I424112 91.2 1.9 +0.20 2.1
OPAL_2004_I669402 [91.2..197] 1.3 0 1.3
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.9* 0 1.9*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.51* +0.010 0.52*
DELPHI_1996_I424112 91.2 7.2 -0.10 7.1
OPAL_2004_I669402 [91.2..197] 3.9 -0.30 3.6
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 9.6 +0.40 10.0
ALEPH_2004_I636645 [91.2..206] 1.6* +0.100 1.7*
DELPHI_1996_I424112 91.2 14 0 14
OPAL_2004_I669402 [91.2..197] 9.7 -0.30 9.4
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] 1.1* -0.27 0.83*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - n/a
ALEPH_2004_I636645 [91.2..206] 0.48* -0.020 0.46*
OPAL_2004_I669402 [91.2..197] 2.0 -0.10 1.9
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] 1.2* 0 1.2*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 1.6* 0 1.6*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.5* +0.10 1.6*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.0 0 5.0
OPAL_2003_I599181 91.2 12 -1.0 11
SLD_2002_I582951 91.2 2.6 -0.10 2.5
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* +0.010 0.19*
DELPHI_1996_I424112 91.2 7.4 +0.100 7.5
OPAL_2004_I669402 [91.2..197] 4.9 -0.20 4.7
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.40* 0 0.40*
DELPHI_1996_I424112 91.2 6.5 -0.80 5.7
OPAL_2004_I669402 [91.2..197] 5.1 -0.30 4.8
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 8.3 +0.40 8.7
OPAL_2004_I669402 [91.2..197] 6.2 +0.20 6.4
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 1.3 -0.75 0.55
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 10 -0.20 9.8
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 11 +3.0 14
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 17 -1.0 16
EEC
DELPHI_1996_I424112 91.2 1.2 +0.20 1.4
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.40 +0.34 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 11 0 11
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 1.4 +0.10 1.5
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 1.8 0 1.8
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 9.6 -0.80 8.8
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 10 -4.5 5.5
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 5.8 0 5.8
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 8.0 +0.70 8.7
DELPHI_1996_I424112 91.2 9.0 +0.70 9.7
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 2.2* -0.10 2.1*
DELPHI_1996_I424112 91.2 6.0 +0.90 6.9
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 5.7 -0.30 5.4
DELPHI_1996_I424112 91.2 6.5 -0.40 6.1
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 6.3 -0.60 5.7
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.31 +0.14 0.45
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.5 -0.10 1.4
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 19 -1.0 18
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 18 +4.0 22
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 52* -1.0 51*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.4* -0.100 1.3*
DELPHI_1996_I424112 91.2 0.31 +0.21 0.52
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 8.9* -0.30 8.6*
DELPHI_1996_I424112 91.2 2.5 +0.30 2.8
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 13* -1.0 12*
DELPHI_1996_I424112 91.2 7.3 +0.50 7.8
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 18* 0 18*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 8.9* +0.50 9.4*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 3.2 -0.20 3.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 2.1 +0.50 2.6
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 60 - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 13 -1.0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 2.1 +0.40 2.5
ALEPH_2004_I636645 [91.2..206] 0.96* -0.030 0.93*
DELPHI_1996_I424112 91.2 2.7 +0.20 2.9
OPAL_2004_I669402 [91.2..197] 1.1 -0.10 1.0
1-Thrust
ALEPH_1996_I428072 91.2 6.1 +0.30 6.4
DELPHI_1996_I424112 91.2 4.8 -0.100 4.7
OPAL_2004_I669402 [91.2..197] 7.0 -0.20 6.8
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 5.7 +0.100 5.8
ALEPH_2004_I636645 [133..206] 0.96* +0.040 1.0*
DELPHI_1996_I424112 91.2 6.1 +0.30 6.4
OPAL_1998_I472637 91.2 2.7 -0.70 2.0*
SLD_2004_I630327 91.2 6.0 +1.0 7.0*
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 14 +1.0 15
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 1.0* +0.10 1.1*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 16 -1.0 15
SLD_2004_I630327 91.2 16* +1.0 17*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 11 0 11
OPAL_1993_I342766 91.2 48 0 48
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 2.4 -0.10 2.3
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 13 -1.0 12
DELPHI_1995_I394716 91.2 14 0 14
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 1.9 +3.2 5.1
DELPHI_1995_I394716 91.2 0.96 -0.46 0.50
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 17 +3.0 20
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 20 -5.0 15
L3_1992_I336180 91.2 1.0 +0.10 1.1
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 35 +1.0 36
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 16 -1.0 15
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 5.1 0 5.1
ALEPH_2004_I636645 [133..206] 1.5* 0 1.5*
DELPHI_1996_I424112 91.2 4.5 0 4.5
OPAL_1998_I472637 91.2 2.8 -0.100 2.7*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 3.4 +0.10 3.5
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 3.6 +0.40 4.0
SLD_2004_I630327 91.2 12* -1.0 11*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 30 +2.0 32
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 1.1 0 1.1
SLD_2004_I630327 91.2 3.5 -0.10 3.4*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 1.5 +0.10 1.6
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 2.5 -0.30 2.2
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 1.7 0 1.7
ALEPH_2004_I636645 [133..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 2.4 0 2.4

* 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.