Generator / tune

Details for Pythia 6.427 363 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 1.2 -0.25 0.95
ALEPH_2004_I636645 [91.2..206] 0.55* -0.040 0.51*
DELPHI_1996_I424112 91.2 1.2 -0.43 0.77
OPAL_2004_I669402 [91.2..197] 0.73 -0.100 0.63
C parameter
ALEPH_1996_I428072 91.2 0.40 -0.080 0.32
ALEPH_2004_I636645 [91.2..206] 0.77* -0.080 0.69*
DELPHI_1996_I424112 91.2 0.63 -0.13 0.50
OPAL_2004_I669402 [91.2..197] 1.1 -0.10 1.00
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 -0.50 1.7
OPAL_2004_I669402 [91.2..197] 0.92 -0.060 0.86
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.31 -0.090 0.22
ALEPH_2004_I636645 [91.2..206] 0.26* -0.030 0.23*
DELPHI_1996_I424112 91.2 0.55 -0.13 0.42
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.80 -0.24 0.56
OPAL_2004_I669402 [91.2..197] 1.7 0 1.7
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 0.82*
DELPHI_1996_I424112 91.2 0.82 -0.39 0.43
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.53* 0 0.53*
DELPHI_1996_I424112 91.2 0.85 -0.11 0.74
Sphericity
ALEPH_1996_I428072 91.2 0.28 -0.020 0.26
ALEPH_2004_I636645 [91.2..206] 0.59* -0.010 0.58*
DELPHI_1996_I424112 91.2 0.39 -0.070 0.32
OPAL_2004_I669402 [91.2..197] 0.67 -0.020 0.65
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* -0.040 0.79*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.62* -0.040 0.58*
DELPHI_1996_I424112 91.2 0.97 -0.32 0.65
OPAL_2004_I669402 [91.2..197] 0.53 +0.040 0.57
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.5 -0.40 1.1
ALEPH_2004_I636645 [91.2..206] 0.90* -0.070 0.83*
DELPHI_1996_I424112 91.2 1.8 -0.30 1.5
OPAL_2004_I669402 [91.2..197] 1.2 -0.20 1.00
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] 0.48* +0.52 1.0*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.12 -0.0100 0.11
ALEPH_2004_I636645 [91.2..206] 0.54* -0.010 0.53*
OPAL_2004_I669402 [91.2..197] 0.56 +0.0100 0.57
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] 0.53* -0.090 0.44*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.64* -0.030 0.61*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.83* +0.040 0.87*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 1.0 +0.50 1.5
OPAL_2003_I599181 91.2 3.3 +0.20 3.5
SLD_2002_I582951 91.2 0.26 +0.080 0.34
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] 0.29* +0.010 0.30*
DELPHI_1996_I424112 91.2 0.62 -0.080 0.54
OPAL_2004_I669402 [91.2..197] 0.65 -0.12 0.53
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* +0.050 0.55*
DELPHI_1996_I424112 91.2 0.73 +0.060 0.79
OPAL_2004_I669402 [91.2..197] 0.69 -0.020 0.67
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.63 -0.26 0.37
OPAL_2004_I669402 [91.2..197] 0.73 -0.11 0.62
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.68 -0.12 0.56
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 12 0 12
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 14 +1.0 15
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 21 -2.0 19
EEC
DELPHI_1996_I424112 91.2 0.17 +0.0100 0.18
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.1 +0.100 1.2
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 0.049 -0.0030 0.046
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.14 -0.020 0.12
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 20 -2.0 18
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 18 -10 7.8
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 2.1 +0.10 2.2
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 2.8 -0.100 2.7
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.8 -0.60 1.2
DELPHI_1996_I424112 91.2 2.5 -0.80 1.7
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* 0 1.2*
DELPHI_1996_I424112 91.2 2.1 -0.40 1.7
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.3 +0.40 1.7
DELPHI_1996_I424112 91.2 1.6 +0.80 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 1.9 -0.30 1.6
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.63 -0.19 0.44
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.4 -0.40 1.00
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 9.8 +0.20 10
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 24 -1.0 23
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 54* 0 54*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3* -0.82 0.48*
DELPHI_1996_I424112 91.2 0.37 -0.060 0.31
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.4* 0 3.4*
DELPHI_1996_I424112 91.2 0.71 -0.31 0.40
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.7* 0 3.7*
DELPHI_1996_I424112 91.2 1.9 -0.30 1.6
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.3* -0.60 3.7*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.5* -1.4 2.1*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.8 0 1.8
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 5.0 -0.20 4.8
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 9.3 +1.7 11
Thrust Oblateness
ALEPH_1996_I428072 91.2 1.0 -0.45 0.55
ALEPH_2004_I636645 [91.2..206] 0.74* +0.16 0.90*
DELPHI_1996_I424112 91.2 1.4 -0.58 0.82
OPAL_2004_I669402 [91.2..197] 0.62 +0.010 0.63
1-Thrust
ALEPH_1996_I428072 91.2 0.55 -0.10 0.45
DELPHI_1996_I424112 91.2 0.56 -0.15 0.41
OPAL_2004_I669402 [91.2..197] 1.3 0 1.3
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 0.61 -0.14 0.47
ALEPH_2004_I636645 [133..206] 0.64* -0.020 0.62*
DELPHI_1996_I424112 91.2 1.3 -0.35 0.95
OPAL_1998_I472637 91.2 0.55* 0 0.55*
SLD_2004_I630327 91.2 3.4 -1.8 1.6
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 7.0 +0.100 7.1
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.65* -0.020 0.63*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 2.8 0 2.8
SLD_2004_I630327 91.2 9.1 -0.90 8.2*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 1.2 0 1.2
OPAL_1993_I342766 91.2 32 0 32
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 14 +3.0 17
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 47 +1.0 48
DELPHI_1995_I394716 91.2 0.11 +0.070 0.18
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 6.3 0 6.3
DELPHI_1995_I394716 91.2 0.23 +0.13 0.36
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 86 -10 76
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 13 0 13
L3_1992_I336180 91.2 1.3 0 1.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 15 +6.0 21
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 10 -0.80 9.2
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 0.44 -0.080 0.36
ALEPH_2004_I636645 [133..206] 0.64* -0.010 0.63*
DELPHI_1996_I424112 91.2 0.74 -0.11 0.63
OPAL_1998_I472637 91.2 0.66* +0.030 0.69*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 1.0 -0.010 0.99
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 1.2 -0.22 0.98
SLD_2004_I630327 91.2 15* -9.0 6.0*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 3.5 -0.20 3.3
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.56 0 0.56
SLD_2004_I630327 91.2 2.7* -0.80 1.9
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 2.9 -0.10 2.8
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.74* +0.060 0.80*
DELPHI_1996_I424112 91.2 0.23 -0.060 0.17
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.52 -0.12 0.40
ALEPH_2004_I636645 [133..206] 0.46* +0.030 0.49*
DELPHI_1996_I424112 91.2 0.28 -0.060 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.