Generator / tune

Details for Pythia 6.426 p0 vs. 6.427

pp/ppbar → Soft QCD (nsd only)


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Identified Particles : Y
 K0S
 CMS_2011_I890166 [900..7000] 11* 0 11*
Identified Particles : pT
 K0S
 CMS_2011_I890166 [900..7000] 41* +3.0 44*
Identified Particles : Ratios
 Λ/K0S vs |y|
 CMS_2011_I890166 [900..7000] 92* -7.0 85*
Identified Particles : Ratios
 Λ/K0S vs pT
 CMS_2011_I890166 [900..7000] 64* -16 48*
Identified Particles : Y
 Λ
 CMS_2011_I890166 [900..7000] 210* -10 200*
Identified Particles : pT
 Λ
 CMS_2011_I890166 [900..7000] 330* -40 290*
Identified Particles : Ratios
 Ξ-/Λ vs |y|
 CMS_2011_I890166 [900..7000] 10* +7.0 17*
Identified Particles : Ratios
 Ξ-/Λ vs pT
 CMS_2011_I890166 [900..7000] 4.9* +3.0 7.9*
Identified Particles : Y
 Ξ-
 CMS_2011_I890166 [900..7000] 260* +30 290*
Identified Particles : pT
 Ξ-
 CMS_2011_I890166 [900..7000] 240* +30 270*
<pT> vs Nch
 CMS_2011_I879315 [900..7000] 2.0* +0.30 2.3*
Energy flow
 CMS_2011_I930319 [900..7000] 27* -1.0 26*
η Distributions
 CMS_2010_I845323 [900..2360] 8.8* +9.2 18
CMS_2010_I855299 7000 n/a - n/a
UA5_1986_I233599 [200..900] n/a - n/a
Multiplicity Distributions
 CMS_2011_I879315 [900..7000] 39* +28 67*
pT Distributions
 CMS_2010_I845323 [900..2360] 7.5* +11 18
CMS_2010_I855299 7000 n/a - n/a

* 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.