Generator / tune

Details for Pythia 6.427 dwt 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 2.6 +0.20 2.8
ALEPH_2004_I636645 [91.2..206] 0.80* -0.070 0.73*
DELPHI_1996_I424112 91.2 2.1 +0.10 2.2
OPAL_2004_I669402 [91.2..197] 0.93 +0.060 0.99
C parameter
ALEPH_1996_I428072 91.2 0.66 -0.15 0.51
ALEPH_2004_I636645 [91.2..206] 0.75* +0.070 0.82*
DELPHI_1996_I424112 91.2 0.47 +0.010 0.48
OPAL_2004_I669402 [91.2..197] 0.72 -0.080 0.64
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.4 -0.46 0.94
OPAL_2004_I669402 [91.2..197] 1.2 -0.23 0.97
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.17 +0.070 0.24
ALEPH_2004_I636645 [91.2..206] 0.58* -0.19 0.39*
DELPHI_1996_I424112 91.2 0.25 +0.13 0.38
OPAL_2004_I669402 [91.2..197] 0.95 +0.35 1.3
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 0.70 -0.020 0.68
OPAL_2004_I669402 [91.2..197] 1.2 +0.10 1.3
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] 1.3* -0.44 0.86*
DELPHI_1996_I424112 91.2 0.089 +0.15 0.24
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.87* -0.49 0.38*
DELPHI_1996_I424112 91.2 0.28 +0.100 0.38
Sphericity
ALEPH_1996_I428072 91.2 0.55 +0.030 0.58
ALEPH_2004_I636645 [91.2..206] 0.64* -0.33 0.31*
DELPHI_1996_I424112 91.2 0.32 +0.090 0.41
OPAL_2004_I669402 [91.2..197] 0.78 -0.050 0.73
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 1.5* -0.58 0.92*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.1* -0.68 0.42*
DELPHI_1996_I424112 91.2 0.37 +0.030 0.40
OPAL_2004_I669402 [91.2..197] 0.69 -0.040 0.65
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 1.9 -0.20 1.7
ALEPH_2004_I636645 [91.2..206] 0.71* +0.040 0.75*
DELPHI_1996_I424112 91.2 1.7 -0.30 1.4
OPAL_2004_I669402 [91.2..197] 1.2 0 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] 0.097* +0.31 0.41*
Jet resolution
y23
ALEPH_1996_I428072 91.2 n/a - n/a
ALEPH_2004_I636645 [91.2..206] 0.81* -0.43 0.38*
OPAL_2004_I669402 [91.2..197] 0.71 +0.010 0.72
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] 0.68* -0.12 0.56*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 1.1* -0.10 1.0*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 1.1* -0.10 1.0*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 5.4 -0.20 5.2
OPAL_2003_I599181 91.2 7.5 +0.70 8.2
SLD_2002_I582951 91.2 2.7 -0.10 2.6
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] 0.76* -0.52 0.24*
DELPHI_1996_I424112 91.2 0.46 -0.060 0.40
OPAL_2004_I669402 [91.2..197] 0.68 -0.010 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] 0.90* -0.42 0.48*
DELPHI_1996_I424112 91.2 0.29 +0.15 0.44
OPAL_2004_I669402 [91.2..197] 0.49 +0.020 0.51
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 0.52 +0.22 0.74
OPAL_2004_I669402 [91.2..197] 0.87 -0.16 0.71
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.51 +0.080 0.59
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 10 +1.0 11
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 -1.0 12
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 19 - n/a
EEC
DELPHI_1996_I424112 91.2 0.13 +0.020 0.15
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.4 -0.30 1.1
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 4.0 -0.10 3.9
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 0.12 +0.010 0.13
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.21 +0.030 0.24
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 18 +3.0 21
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 20 -2.0 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 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 2.5 +0.10 2.6
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.4 -0.30 1.1
DELPHI_1996_I424112 91.2 2.1 -0.50 1.6
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.2* -0.22 0.98*
DELPHI_1996_I424112 91.2 1.3 -0.10 1.2
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 14 -3.0 11
DELPHI_1996_I424112 91.2 15 -3.0 12
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 16 -4.0 12
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.1 -0.36 0.74
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.49 -0.070 0.42
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 12 0 12
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 16 -2.0 14
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 50* -1.0 49*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.0* -1.2 0.77*
DELPHI_1996_I424112 91.2 0.40 +0.13 0.53
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 6.5* -1.1 5.4*
DELPHI_1996_I424112 91.2 2.2 -0.30 1.9
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.0* -2.7 1.3*
DELPHI_1996_I424112 91.2 3.5 -1.2 2.3
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.8* +0.30 5.1*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 2.0* -0.30 1.7*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 1.7 -0.20 1.5
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 2.3 +0.10 2.4
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 n/a - 38
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 18 -1.0 17
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.73 -0.070 0.66
ALEPH_2004_I636645 [91.2..206] 1.9* -1.5 0.43*
DELPHI_1996_I424112 91.2 0.77 -0.100 0.67
OPAL_2004_I669402 [91.2..197] 0.77 -0.070 0.70
1-Thrust
ALEPH_1996_I428072 91.2 0.49 -0.14 0.35
DELPHI_1996_I424112 91.2 0.46 -0.23 0.23
OPAL_2004_I669402 [91.2..197] 0.74 -0.020 0.72
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 1.3 +0.20 1.5
ALEPH_2004_I636645 [133..206] 0.63* -0.050 0.58*
DELPHI_1996_I424112 91.2 1.8 +0.30 2.1
OPAL_1998_I472637 91.2 2.0* -1.2 0.82*
SLD_2004_I630327 91.2 4.0 -0.70 3.3
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 16 +1.0 17
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.63* -0.040 0.59*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 4.8 -0.30 4.5
SLD_2004_I630327 91.2 11* -2.1 8.9*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 7.9 -0.10 7.8
OPAL_1993_I342766 91.2 44 0 44
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 4.7 +0.20 4.9
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 15 +1.0 16
DELPHI_1995_I394716 91.2 15 +1.0 16
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 2.0 +1.6 3.6
DELPHI_1995_I394716 91.2 1.0 -0.24 0.76
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 17 +9.0 26
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 15 -2.0 13
L3_1992_I336180 91.2 0.96 +0.030 0.99
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 39 -1.0 38
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 12 0 12
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 1.1 +0.20 1.3
ALEPH_2004_I636645 [133..206] 0.59* +0.080 0.67*
DELPHI_1996_I424112 91.2 1.1 +0.20 1.3
OPAL_1998_I472637 91.2 0.99* -0.040 0.95*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 5.4 -0.40 5.0
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 2.8 -0.100 2.7
SLD_2004_I630327 91.2 13* 0 13*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 24 0 24
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.52 -0.080 0.44
SLD_2004_I630327 91.2 2.0 +0.50 2.5
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.75 +0.14 0.89
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.66* +0.050 0.71*
DELPHI_1996_I424112 91.2 0.82 +0.18 1.00
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.17 +0.0100 0.18
ALEPH_2004_I636645 [133..206] 0.61* -0.13 0.48*
DELPHI_1996_I424112 91.2 0.38 +0.18 0.56

* 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.