Generator / tune

Details for Pythia 8.308 qcdcr2 vs. 8.313

pp/ppbar → Soft QCD (nsd only)


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
Identified Particles : Y
K0S
CMS_2011_I890166 [900..7000] 1.3 -0.10 1.2
Identified Particles : pT
K0S
CMS_2011_I890166 [900..7000] 79 +2.0 81
Identified Particles : Ratios
Λ/K0S vs |y|
CMS_2011_I890166 [900..7000] 0.84 +0.030 0.87
Identified Particles : Ratios
Λ/K0S vs pT
CMS_2011_I890166 [900..7000] 3.6 -0.80 2.8
Identified Particles : Y
Λ
CMS_2011_I890166 [900..7000] 1.5 -0.20 1.3
Identified Particles : pT
Λ
CMS_2011_I890166 [900..7000] 61 +17 78
Identified Particles : Ratios
Ξ-/Λ vs |y|
CMS_2011_I890166 [900..7000] 21 -3.0 18
Identified Particles : Ratios
Ξ-/Λ vs pT
CMS_2011_I890166 [900..7000] 18 -5.0 13
Identified Particles : Y
Ξ-
CMS_2011_I890166 [900..7000] 28 -4.0 24
Identified Particles : pT
Ξ-
CMS_2011_I890166 [900..7000] 140 -10 130
<pT> vs Nch
CMS_2011_I879315 [900..7000] 0.48 -0.030 0.45
Energy flow
CMS_2011_I930319 [900..7000] 3.8 +0.70 4.5
η Distributions
CMS_2010_I845323 [900..2360] 0.70 +0.010 0.71
CMS_2010_I855299 7000 0.10 +0.070 0.17
UA5_1986_I233599 [200..900] 7.2* +0.100 7.3*
Multiplicity Distributions
CMS_2011_I879315 [900..7000] 15* -2.0 13*
pT Distributions
CMS_2010_I845323 [900..2360] 9.3 -0.20 9.1
CMS_2010_I855299 7000 4.8 -0.100 4.7

* 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 208 histograms.