Generator / tune

Details for Sherpa 2.2.8 default vs. 2.2.9

ee → ee : γ*/Z (hadronic)


Observable Reference Energy χ2+5% (2.2.8) Δ χ2+5% (2.2.9)
Aplanarity
ALEPH_1996_I428072 91.2 1.4 +0.10 1.5
ALEPH_2004_I636645 [91.2..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 1.2 +0.10 1.3
OPAL_2004_I669402 [91.2..197] 0.82 -0.20 0.62
C parameter
ALEPH_1996_I428072 91.2 2.1 +0.30 2.4
ALEPH_2004_I636645 [91.2..206] 1.4 0 1.4
DELPHI_1996_I424112 91.2 3.5 +0.20 3.7
OPAL_2004_I669402 [91.2..197] 3.3 0 3.3
Event-Shape Moments
Moments of C
OPAL_2004_I669402 [91.2..197] 1.6 +0.100 1.7
D parameter
DELPHI_1996_I424112 91.2 1.2 -0.20 1.0
OPAL_2004_I669402 [91.2..197] 0.95 0 0.95
M(Heavy Hemisph)
ALEPH_1996_I428072 91.2 3.4 -0.20 3.2
ALEPH_2004_I636645 [91.2..206] 0.60* -0.010 0.59*
DELPHI_1996_I424112 91.2 3.5 -0.30 3.2
OPAL_2004_I669402 [91.2..197] 3.8 0 3.8
Event-Shape Moments
Moments of MH
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
M(Light Hemisph)
DELPHI_1996_I424112 91.2 2.4 +0.50 2.9
OPAL_2004_I669402 [91.2..197] 3.6 0 3.6
Event-Shape Moments
Moments of ML
OPAL_2004_I669402 [91.2..197] 1.0 +0.10 1.1
ΔM(Heavy-Light)
ALEPH_2004_I636645 [91.2..206] 0.87* 0 0.87*
DELPHI_1996_I424112 91.2 1.2 -0.30 0.90
Event-Shape Moments
Moments of O
OPAL_2004_I669402 [91.2..197] 1.7 -0.100 1.6
Planarity
ALEPH_2004_I636645 [133..206] 1.4 0 1.4
DELPHI_1996_I424112 91.2 1.7 +0.30 2.0
Sphericity
ALEPH_1996_I428072 91.2 1.6 +0.40 2.0
ALEPH_2004_I636645 [91.2..206] 0.92* +0.050 0.97*
DELPHI_1996_I424112 91.2 2.0 +0.20 2.2
OPAL_2004_I669402 [91.2..197] 1.1 0 1.1
Event-Shape Moments
Moments of S
OPAL_2004_I669402 [91.2..197] 2.2 0 2.2
Thrust
ALEPH_2004_I636645 [91.2..206] 1.1 -0.10 1.0*
Thrust Major
ALEPH_2004_I636645 [91.2..206] 1.1* 0 1.1*
DELPHI_1996_I424112 91.2 4.8 -0.100 4.7
OPAL_2004_I669402 [91.2..197] 2.4 -0.60 1.8
Event-Shape Moments
Moments of T Major
OPAL_2004_I669402 [91.2..197] 1.8 0 1.8
Thrust Minor
ALEPH_1996_I428072 91.2 2.3 0 2.3
ALEPH_2004_I636645 [91.2..206] 1.3* 0 1.3*
DELPHI_1996_I424112 91.2 5.8 -0.30 5.5
OPAL_2004_I669402 [91.2..197] 2.8 -0.20 2.6
Event-Shape Moments
Moments of T Minor
OPAL_2004_I669402 [91.2..197] 0.79 +0.010 0.80
Jet resolution
y12
ALEPH_2004_I636645 [91.2..206] 0.21* +0.050 0.26*
Jet resolution
y23
ALEPH_1996_I428072 91.2 1.4 0 1.4
ALEPH_2004_I636645 [91.2..206] 0.74* +0.010 0.75*
OPAL_2004_I669402 [91.2..197] 0.56 -0.070 0.49
Event-Shape Moments
Moments of Y23
OPAL_2004_I669402 [91.2..197] 1.5 -0.30 1.2
Jet resolution
y34
ALEPH_2004_I636645 [91.2..206] 1.3* 0 1.3*
Jet resolution
y45
ALEPH_2004_I636645 [91.2..206] 1.6* 0 1.6*
Jet resolution
y56
ALEPH_2004_I636645 [91.2..206] 4.5* 0 4.5*
Charm and Bottom
fweak
DELPHI_2011_I890503 91.2 9.5 -0.60 8.9
OPAL_2003_I599181 91.2 8.8 -0.90 7.9
SLD_2002_I582951 91.2 2.4 -0.30 2.1
Charm and Bottom
Mean of fweak
DELPHI_2011_I890503 91.2 0.22 -0.010 0.21
OPAL_2003_I599181 91.2 0.0089 +0.0031 0.012
B(Total)
ALEPH_2004_I636645 [91.2..206] 0.87* +0.010 0.88*
DELPHI_1996_I424112 91.2 4.0 0 4.0
OPAL_2004_I669402 [91.2..197] 2.5 0 2.5
Event-Shape Moments
Moments of Btot
OPAL_2004_I669402 [91.2..197] 1.5 0 1.5
B(Max)
ALEPH_2004_I636645 [91.2..206] 0.83* +0.020 0.85*
DELPHI_1996_I424112 91.2 2.2 -0.10 2.1
OPAL_2004_I669402 [91.2..197] 1.3 -0.10 1.2
Event-Shape Moments
Moments of Bmax
OPAL_2004_I669402 [91.2..197] 1.4 -0.100 1.3
B(Min)
DELPHI_1996_I424112 91.2 6.5 +0.30 6.8
OPAL_2004_I669402 [91.2..197] 4.9 0 4.9
Event-Shape Moments
Moments of Bmin
OPAL_2004_I669402 [91.2..197] 1.0 +0.20 1.2
ΔB(Max-Min)
DELPHI_1996_I424112 91.2 0.38 +0.12 0.50
Identified Particles
(RqK--RqK+) / (RqK-+RqK+)
SLD_2004_I630327 91.2 16 -1.0 15
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 20 -2.0 18
EEC
DELPHI_1996_I424112 91.2 0.55 +0.020 0.57
EEC Asymmetry
DELPHI_1996_I424112 91.2 1.9 -0.30 1.6
Charm and Bottom
B multiplicity
DELPHI_1996_I424112 91.2 8.2 +1.0 9.2
Charm and Bottom
D multiplicity
DELPHI_1996_I424112 91.2 14 +1.0 15
Identified Particles
Δ++ multiplicity
DELPHI_1996_I424112 91.2 95 +5.0 100
Charm and Bottom
D* multiplicity
DELPHI_1996_I424112 91.2 19 +1.0 20
Identified Particles
K multiplicity
DELPHI_1996_I424112 91.2 0.98 -0.060 0.92
SLD_2004_I630327 91.2 4.1 +0.60 4.7
Identified Particles
K*(892) multiplicity
DELPHI_1996_I424112 91.2 5.9 +0.100 6.0
Identified Particles
Λ0 multiplicity
DELPHI_1996_I424112 91.2 150 -20 130
Charm and Bottom
Λb multiplicity
DELPHI_1996_I424112 91.2 16 -2.0 14
Identified Particles
Ω multiplicity
DELPHI_1996_I424112 91.2 11,000 -2,200 9,300
Identified Particles
Σ(1385) multiplicity
DELPHI_1996_I424112 91.2 250 -50 200
Identified Particles
Ξ multiplicity
DELPHI_1996_I424112 91.2 590 +10 600
Identified Particles
Ξ(1530) multiplicity
DELPHI_1996_I424112 91.2 30 +3.0 33
Charged Particles
Multiplicity Distribution
ALEPH_1996_I428072 91.2 0.60 +0.020 0.62
DELPHI_1991_I301657 91.2 14 +2.0 16
DELPHI_1996_I424112 91.2 0.24 -0.0100 0.23
HRS_1986_I18502 29 6.0 +0.60 6.6
OPAL_1992_I321190 91.2 4.6 -0.100 4.5
TASSO_1989_I277658 [14..43.6] 28 +8.0 36
Charged Particles
<Nch>
DELPHI_1991_I301657 91.2 0.051 -0.0030 0.048
HRS_1986_I18502 29 0.22 +0.020 0.24
OPAL_1992_I321190 91.2 0.78 -0.020 0.76
SLD_2004_I630327 91.2 0.20 -0.010 0.19
Charged Particles
<Nch,uds> - <Nch,b>
SLD_2004_I630327 91.2 0.068 +0.15 0.22
Charged Particles
<Nch,uds> - <Nch,c>
SLD_2004_I630327 91.2 2.2 +0.60 2.8
Identified Particles
η multiplicity
DELPHI_1996_I424112 91.2 12 0 12
Identified Particles
η' multiplicity
DELPHI_1996_I424112 91.2 310 +20 330
Identified Particles
p multiplicity
DELPHI_1996_I424112 91.2 140 -10 130
SLD_2004_I630327 91.2 220 -10 210
Identified Particles
φ multiplicity
DELPHI_1996_I424112 91.2 7.6 +2.4 10.0
Identified Particles
π multiplicity
DELPHI_1996_I424112 91.2 0.18 -0.020 0.16
SLD_2004_I630327 91.2 1.7 -0.100 1.6
Identified Particles
ρ multiplicity
DELPHI_1996_I424112 91.2 2.9 +0.70 3.6
Charged Particles
pTin (Sph)
ALEPH_1996_I428072 91.2 1.0 +0.20 1.2
DELPHI_1996_I424112 91.2 1.7 +0.40 2.1
Charged Particles
pTin (Thrust)
ALEPH_2004_I636645 [133..206] 1.4 0 1.4
DELPHI_1996_I424112 91.2 1.9 -0.100 1.8
Charged Particles
pTout (Sph)
ALEPH_1996_I428072 91.2 1.6 +0.20 1.8
DELPHI_1996_I424112 91.2 2.1 +0.30 2.4
Charged Particles
pTout (Thrust)
ALEPH_2004_I636645 206 1.1 0 1.1
DELPHI_1996_I424112 91.2 2.9 +0.20 3.1
Charged Particles
<pTout> vs x (Thrust)
DELPHI_1996_I424112 91.2 1.9 -0.40 1.5
Charged Particles
<pT> vs x (Thrust)
DELPHI_1996_I424112 91.2 3.4 -0.50 2.9
Identified Particles
N(q→K-)+N(q̄→K+)
SLD_2004_I630327 91.2 7.6 -0.60 7.0
Identified Particles
N(q→K+)+N(q̄→K-)
SLD_2004_I630327 91.2 11 -1.3 9.7
Jet rates
One-jet fraction
ALEPH_2004_I636645 [91.2..206] 66* +7.0 73*
Jet rates
Two-jet fraction
ALEPH_2004_I636645 [91.2..206] 0.79* +0.100 0.89
DELPHI_1996_I424112 91.2 1.3 +0.40 1.7
Jet rates
Three-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.9 +0.10 2.0
DELPHI_1996_I424112 91.2 1.2 +0.80 2.0
Jet rates
Four-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.3 0 1.3*
DELPHI_1996_I424112 91.2 1.5 0 1.5
Jet rates
Five-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.5 -0.10 1.4
Jet rates
>Six-jet fraction
ALEPH_2004_I636645 [91.2..206] 1.1 -0.10 1.0
Identified Particles
N(q→π-)+N(q̄→π+)
SLD_2004_I630327 91.2 5.2 -1.0 4.2
Identified Particles
N(q→π+)+N(q̄→π-)
SLD_2004_I630327 91.2 4.2 +1.0 5.2
Identified Particles
N(q→p̄)+N(q̄→p)
SLD_2004_I630327 91.2 350 - n/a
Identified Particles
N(q→p)+N(q̄→p̄)
SLD_2004_I630327 91.2 180 -20 160
Thrust Oblateness
ALEPH_1996_I428072 91.2 0.49 +0.45 0.94
ALEPH_2004_I636645 [91.2..206] 1.3* +0.100 1.4*
DELPHI_1996_I424112 91.2 0.78 +0.52 1.3
OPAL_2004_I669402 [91.2..197] 0.66 -0.020 0.64
1-Thrust
ALEPH_1996_I428072 91.2 3.0 0 3.0
DELPHI_1996_I424112 91.2 2.7 0 2.7
OPAL_2004_I669402 [91.2..197] 3.2 0 3.2
Event-Shape Moments
Moments of 1-T
OPAL_2004_I669402 [91.2..197] 1.4 -0.100 1.3
Charged Particles
xp (momentum fraction)
ALEPH_1996_I428072 91.2 3.5 +0.20 3.7
ALEPH_2004_I636645 [133..206] 1.5 0 1.5
DELPHI_1996_I424112 91.2 4.6 -0.20 4.4
OPAL_1998_I472637 91.2 0.96* +0.020 0.98*
SLD_2004_I630327 91.2 3.3 0 3.3
Charm and Bottom
D* spectrum
ALEPH_1999_I507422 91.2 13 +1.0 14
Charged Particles
xE (energy fraction)
ALEPH_2004_I636645 [133..206] 1.5 0 1.5
Identified Particles
K spectrum
ALEPH_1996_I428072 91.2 4.0 -0.60 3.4
SLD_2004_I630327 91.2 6.6* -1.3 5.3*
Identified Particles
K*(892) spectrum
ALEPH_1996_I428072 91.2 3.2 0 3.2
OPAL_1993_I342766 91.2 33 +1.0 34
Identified Particles
Λ0 spectrum
ALEPH_1996_I428072 91.2 200 -30 170
Identified Particles
Σ(1385) spectrum
ALEPH_1996_I428072 91.2 82 -10 72
DELPHI_1995_I394716 91.2 0.40 -0.25 0.15
Identified Particles
Ξ spectrum
ALEPH_1996_I428072 91.2 350 -20 330
DELPHI_1995_I394716 91.2 14 0 14
Identified Particles
Ξ(1530) spectrum
ALEPH_1996_I428072 91.2 53 +7.0 60
Identified Particles
η spectrum
ALEPH_1996_I428072 91.2 12 +2.0 14
L3_1992_I336180 91.2 2.4 -0.10 2.3
Identified Particles
η' spectrum
ALEPH_1996_I428072 91.2 18 +7.0 25
Identified Particles
γ spectrum
ALEPH_1996_I428072 91.2 n/a - n/a
Charged Particles
Ln(xp)
ALEPH_1996_I428072 91.2 2.6 -0.30 2.3
ALEPH_2004_I636645 [133..206] 1.3 0 1.3
DELPHI_1996_I424112 91.2 2.8 0 2.8
OPAL_1998_I472637 91.2 1.2* +0.10 1.3*
Identified Particles
ω(782) spectrum
ALEPH_1996_I428072 91.2 11 -1.0 10
Identified Particles
p spectrum
ALEPH_1996_I428072 91.2 64 -2.0 62
SLD_2004_I630327 91.2 180* -10 170*
Identified Particles
φ spectrum
ALEPH_1996_I428072 91.2 5.7 +0.50 6.2
Identified Particles
π spectrum
ALEPH_1996_I428072 91.2 1.6 -0.10 1.5
SLD_2004_I630327 91.2 4.8 +0.10 4.9*
Identified Particles
ρ spectrum
ALEPH_1996_I428072 91.2 0.43 0 0.43
Charged Particles
Rapidity wrt Sphericity axis
ALEPH_2004_I636645 [133..206] 1.8 0 1.8
DELPHI_1996_I424112 91.2 1.8 +0.100 1.9
Charged Particles
Rapidity wrt Thrust axis
ALEPH_1996_I428072 91.2 2.0 -0.10 1.9
ALEPH_2004_I636645 [133..206] 1.4 0 1.4
DELPHI_1996_I424112 91.2 1.6 0 1.6

* 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.