Generator / tune

Details for Pythia 6.427 atlas-csc 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 1.9 +0.10 2.0
ALEPH_2004_I636645 [91.2..206] 0.86* +0.080 0.94*
DELPHI_1996_I424112 91.2 1.1 +0.40 1.5
OPAL_2004_I669402 [91.2..197] 1.3 +0.100 1.4
C parameter
ALEPH_1996_I428072 91.2 1.1 0 1.1
ALEPH_2004_I636645 [91.2..206] 0.79* +0.16 0.95*
DELPHI_1996_I424112 91.2 1.1 0 1.1
OPAL_2004_I669402 [91.2..197] 1.7 +0.30 2.0
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] n/a - n/a
D parameter
DELPHI_1996_I424112 91.2 1.6 0 1.6
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 0.87 -0.13 0.74
ALEPH_2004_I636645 [91.2..206] 0.27* +0.010 0.28*
DELPHI_1996_I424112 91.2 1.4 -0.100 1.3
OPAL_2004_I669402 [91.2..197] 2.4 -0.10 2.3
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] n/a - n/a
M(Light Hemisph)
DELPHI_1996_I424112 91.2 2.3 +0.10 2.4
OPAL_2004_I669402 [91.2..197] 3.2 +0.20 3.4
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] 0.84* +0.010 0.85*
DELPHI_1996_I424112 91.2 1.6 -0.50 1.1
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] n/a - n/a
Planarity
ALEPH_2004_I636645 [133..206] 0.83* -0.19 0.64*
DELPHI_1996_I424112 91.2 1.9 -0.40 1.5
Sphericity
ALEPH_1996_I428072 91.2 1.2 -0.100 1.1
ALEPH_2004_I636645 [91.2..206] 0.48* +0.24 0.72*
DELPHI_1996_I424112 91.2 1.0 -0.010 0.99
OPAL_2004_I669402 [91.2..197] 0.85 -0.020 0.83
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust
ALEPH_2004_I636645 [91.2..206] 0.68* +0.26 0.94*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 0.42* +0.20 0.62*
DELPHI_1996_I424112 91.2 1.4 -0.100 1.3
OPAL_2004_I669402 [91.2..197] 1.0 0 1.0
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] n/a - n/a
Thrust Minor
ALEPH_1996_I428072 91.2 2.2 +0.30 2.5
ALEPH_2004_I636645 [91.2..206] 1.1* -0.49 0.61*
DELPHI_1996_I424112 91.2 2.6 +0.30 2.9
OPAL_2004_I669402 [91.2..197] 2.2 +0.20 2.4
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] 1.3* 0 1.3*
Jet resolution
y23
ALEPH_1996_I428072 91.2 0.78 - n/a
ALEPH_2004_I636645 [91.2..206] 0.49* +0.13 0.62*
OPAL_2004_I669402 [91.2..197] 0.60 +0.030 0.63
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] 0.75* -0.13 0.62*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 0.76* -0.050 0.71*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 0.64* +0.030 0.67*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 2.2 -0.20 2.0
OPAL_2003_I599181 91.2 12 -2.1 9.9
SLD_2002_I582951 91.2 2.9 -0.20 2.7
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] 0.51* -0.22 0.29*
DELPHI_1996_I424112 91.2 0.90 -0.010 0.89
OPAL_2004_I669402 [91.2..197] 0.99 +0.11 1.1
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.63* +0.040 0.67*
DELPHI_1996_I424112 91.2 0.95 -0.050 0.90
OPAL_2004_I669402 [91.2..197] 0.93 +0.17 1.1
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] n/a - n/a
B(Min)
DELPHI_1996_I424112 91.2 1.2 +0.30 1.5
OPAL_2004_I669402 [91.2..197] 1.6 +0.100 1.7
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] n/a - n/a
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 1.5 -0.40 1.1
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 8.7 +2.3 11
Identified Particles
(Rqπ--Rqπ+) / (Rqπ-+Rqπ+)
SLD_2004_I630327 91.2 13 0 13
Identified Particles
(Rqp-Rq) / (Rqp+Rq)
SLD_2004_I630327 91.2 18 +1.0 19
EEC
DELPHI_1996_I424112 91.2 0.15 +0.050 0.20
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.5 -0.67 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 7.7 +0.20 7.9
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 0.55 -0.010 0.54
HRS_1986_I18502 29 n/a - n/a
OPAL_1992_I321190 91.2 n/a - n/a
SLD_2004_I630327 91.2 0.85 -0.040 0.81
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 23 -5.0 18
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 50 -5.0 45
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 11 0 11
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 4.0 -0.10 3.9
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 n/a - n/a
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 8.0 -2.3 5.7
DELPHI_1996_I424112 91.2 9.0 -2.6 6.4
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 3.0* -1.2 1.8*
DELPHI_1996_I424112 91.2 6.8 -1.5 5.3
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 5.6 +0.30 5.9
DELPHI_1996_I424112 91.2 6.6 +0.30 6.9
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 n/a - n/a
DELPHI_1996_I424112 91.2 7.2 -0.10 7.1
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 0.71 -0.18 0.53
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 2.1 -0.50 1.6
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 13 0 13
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 57* 0 57*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.7* -1.2 0.52*
DELPHI_1996_I424112 91.2 0.61 -0.17 0.44
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.3* +0.10 4.4*
DELPHI_1996_I424112 91.2 0.90 -0.30 0.60
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 4.1* +2.0 6.1*
DELPHI_1996_I424112 91.2 1.8 +0.100 1.9
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 7.9* +0.40 8.3*
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 3.8* -1.1 2.7*
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 2.0 -0.50 1.5
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 3.2 -0.10 3.1
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 n/a - 25
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 13 -1.0 12
Thrust Oblateness
ALEPH_1996_I428072 91.2 3.1 -1.0 2.1
ALEPH_2004_I636645 [91.2..206] 1.6* -0.10 1.5*
DELPHI_1996_I424112 91.2 4.1 -1.5 2.6
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
1-Thrust
ALEPH_1996_I428072 91.2 1.3 +0.20 1.5
DELPHI_1996_I424112 91.2 0.85 +0.25 1.1
OPAL_2004_I669402 [91.2..197] 1.9 +0.20 2.1
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 1.4 +0.20 1.6
ALEPH_2004_I636645 [133..206] 0.70* -0.13 0.57*
DELPHI_1996_I424112 91.2 2.1 +0.20 2.3
OPAL_1998_I472637 91.2 0.85* +0.95 1.8
SLD_2004_I630327 91.2 3.6* +0.70 4.3*
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 16 +3.0 19
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 0.73* -0.13 0.60*
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 9.2 +0.20 9.4
SLD_2004_I630327 91.2 9.5* +1.5 11*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 9.5 +0.100 9.6
OPAL_1993_I342766 91.2 43 +1.0 44
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 3.8 -0.60 3.2
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 13 0 13
DELPHI_1995_I394716 91.2 12 +1.0 13
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 2.0 +2.7 4.7
DELPHI_1995_I394716 91.2 0.68 -0.21 0.47
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 19 -3.0 16
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 8.4 +3.6 12
L3_1992_I336180 91.2 1.1 0 1.1
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 35 0 35
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 13 0 13
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 1.3 +0.20 1.5
ALEPH_2004_I636645 [133..206] 1.1* -0.34 0.76*
DELPHI_1996_I424112 91.2 1.5 +0.10 1.6
OPAL_1998_I472637 91.2 1.2* +0.50 1.7
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 5.3 -0.30 5.0
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 3.2 -0.20 3.0
SLD_2004_I630327 91.2 9.6* -0.30 9.3*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 30 -1.0 29
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 0.45 0 0.45
SLD_2004_I630327 91.2 1.1* +0.80 1.9*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.98 -0.18 0.80
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 0.67* +0.090 0.76*
DELPHI_1996_I424112 91.2 0.37 +0.050 0.42
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 0.49 +0.070 0.56
ALEPH_2004_I636645 [133..206] 0.56* -0.050 0.51*
DELPHI_1996_I424112 91.2 0.29 +0.040 0.33

* 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.