Generator / tune

Details for Pythia 8.308 qcdcr2

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5%
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.26
ATLAS_2017_I1509919 13000 0.22
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.46
ATLAS_2017_I1509919 13000 0.48
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.53
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.56
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.33
ATLAS_2017_I1509919 13000 0.14
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.59
ATLAS_2017_I1509919 13000 0.38
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1
ATLAS_2017_I1509919 13000 0.99
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.98
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.4
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.80
ATLAS_2017_I1509919 13000 0.57
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 35
Transverse
Nch
CMS_2011_I916908 [900..7000] 2.7*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.6
ATLAS_2017_I1509919 13000 n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.55
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.77
ATLAS_2017_I1509919 13000 0.68
STAR_2009_UE_HELEN 200 n/a
Transverse
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.83
ATLAS_2017_I1509919 13000 0.55
CMS_2011_I916908 [900..7000] n/a
CMS_2015_I1385107 2760 n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 3.1
CMS_2015_I1385107 2760 n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.72
CMS_2015_I1385107 2760 n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.72
CMS_2015_I1385107 2760 n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1
ATLAS_2017_I1509919 13000 1.3
pTlead
ATLAS_2017_I1509919 13000 5.1

* 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 68 histograms.