Generator / tune

Details for Pythia 6.427 357 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 2.0 +0.30 2.3
ALEPH_2004_I636645 [91.2..206] 0.70* +0.090 0.79*
DELPHI_1996_I424112 91.2 1.8 +0.100 1.9
OPAL_2004_I669402 [91.2..197] 1.1 +0.100 1.2
C parameter
ALEPH_1996_I428072 91.2 0.78 +0.020 0.80
ALEPH_2004_I636645 [91.2..206] 0.86* -0.23 0.63*
DELPHI_1996_I424112 91.2 1.0 +0.10 1.1
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 2.7 +0.20 2.9
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.29 +0.11 0.40
ALEPH_2004_I636645 [91.2..206] 0.23* +0.0100 0.24*
DELPHI_1996_I424112 91.2 0.40 +0.22 0.62
OPAL_2004_I669402 [91.2..197] 1.8 +0.40 2.2
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 1.3 +0.20 1.5
OPAL_2004_I669402 [91.2..197] 2.3 +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] 0.83* +0.010 0.84*
DELPHI_1996_I424112 91.2 0.43 -0.100 0.33
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.51* -0.010 0.50*
DELPHI_1996_I424112 91.2 0.83 -0.14 0.69
Sphericity
ALEPH_1996_I428072 91.2 0.61 -0.080 0.53
ALEPH_2004_I636645 [91.2..206] 0.47* +0.080 0.55*
DELPHI_1996_I424112 91.2 0.61 -0.090 0.52
OPAL_2004_I669402 [91.2..197] 0.67 +0.11 0.78
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.83* +0.050 0.88*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.57* -0.050 0.52*
DELPHI_1996_I424112 91.2 0.80 +0.100 0.90
OPAL_2004_I669402 [91.2..197] 0.74 +0.080 0.82
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.3 +0.50 2.8
ALEPH_2004_I636645 [91.2..206] 0.90* -0.060 0.84*
DELPHI_1996_I424112 91.2 2.9 +0.10 3.0
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* -0.20 1.0*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.52 - n/a
ALEPH_2004_I636645 [91.2..206] 0.44* -0.050 0.39*
OPAL_2004_I669402 [91.2..197] 0.69 +0.040 0.73
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] 0.56* +0.030 0.59*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.76* -0.030 0.73*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.78* -0.11 0.67*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 2.0 0 2.0
OPAL_2003_I599181 91.2 5.7 -0.70 5.0
SLD_2002_I582951 91.2 0.55 -0.060 0.49
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] 0.23* +0.0100 0.24*
DELPHI_1996_I424112 91.2 0.42 +0.28 0.70
OPAL_2004_I669402 [91.2..197] 0.73 +0.100 0.83
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.50* -0.030 0.47*
DELPHI_1996_I424112 91.2 0.51 0 0.51
OPAL_2004_I669402 [91.2..197] 0.76 +0.040 0.80
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.69 +0.22 0.91
OPAL_2004_I669402 [91.2..197] 0.93 +0.17 1.1
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.38 -0.010 0.37
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 13 +1.0 14
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 14 -2.0 12
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 18 -1.0 17
EEC
DELPHI_1996_I424112 91.2 0.31 +0.090 0.40
EEC Asymmetry
DELPHI_1996_I424112 91.2 0.81 +0.020 0.83
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 1.3 -0.10 1.2
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 0.075 +0.0050 0.080
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.24 -0.030 0.21
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 27 -3.0 24
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 41 -23 18
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 8.5 -0.30 8.2
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 3.0 0 3.0
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 2.0 -0.30 1.7
DELPHI_1996_I424112 91.2 2.8 -0.60 2.2
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* -0.100 1.1*
DELPHI_1996_I424112 91.2 2.3 -0.70 1.6
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.7 -0.30 1.4
DELPHI_1996_I424112 91.2 1.9 -0.30 1.6
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.9 -0.20 1.7
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.27 +0.090 0.36
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.56 +0.0100 0.57
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 14 0 14
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 36 -2.0 34
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 53* 0 53*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* -1.0 0.70*
DELPHI_1996_I424112 91.2 0.22 +0.010 0.23
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.4* -0.30 4.1*
DELPHI_1996_I424112 91.2 0.59 +0.41 1.0
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.8* 0 4.8*
DELPHI_1996_I424112 91.2 2.4 +0.50 2.9
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 6.0* -0.100 5.9*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.6* -0.100 4.5*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.9 +0.10 2.0
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.5 -0.30 5.2
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 12 0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.1 -0.10 1.0
ALEPH_2004_I636645 [91.2..206] 0.94* -0.020 0.92*
DELPHI_1996_I424112 91.2 1.3 0 1.3
OPAL_2004_I669402 [91.2..197] 0.61 -0.010 0.60
1-Thrust
ALEPH_1996_I428072 91.2 0.98 +0.12 1.1
DELPHI_1996_I424112 91.2 0.76 +0.040 0.80
OPAL_2004_I669402 [91.2..197] 1.6 +0.100 1.7
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 0.24 +0.030 0.27
ALEPH_2004_I636645 [133..206] 0.59* 0 0.59*
DELPHI_1996_I424112 91.2 0.43 +0.11 0.54
OPAL_1998_I472637 91.2 1.7 0 1.7
SLD_2004_I630327 91.2 2.9 -0.90 2.0
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 4.4 -0.30 4.1
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.61* 0 0.61*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 1.8 0 1.8
SLD_2004_I630327 91.2 11* 0 11*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.1 +0.100 1.2
OPAL_1993_I342766 91.2 37 +1.0 38
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 3.8 -0.30 3.5
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 11 -2.2 8.8
DELPHI_1995_I394716 91.2 14 -2.0 12
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.7 -0.80 5.9
DELPHI_1995_I394716 91.2 3.3 +0.20 3.5
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 1.7 +3.0 4.7
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 25 0 25
L3_1992_I336180 91.2 1.8 0 1.8
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 n/a - 26
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 7.2 +4.8 12
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.29 +0.020 0.31
ALEPH_2004_I636645 [133..206] 0.63* +0.010 0.64*
DELPHI_1996_I424112 91.2 0.34 +0.0100 0.35
OPAL_1998_I472637 91.2 0.59* +1.0 1.6
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.8 -0.10 1.7
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.2 -0.10 2.1
SLD_2004_I630327 91.2 13* -4.0 9.0*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.2 -0.40 2.8
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.54 +0.010 0.55
SLD_2004_I630327 91.2 2.1* +0.10 2.2
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.0 0 2.0
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.67* -0.040 0.63*
DELPHI_1996_I424112 91.2 0.24 -0.060 0.18
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.30 +0.010 0.31
ALEPH_2004_I636645 [133..206] 0.38* -0.030 0.35*
DELPHI_1996_I424112 91.2 0.21 +0.010 0.22

* 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.