Generator

Details for Pythia 8.307 default vs. default-CD

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (default) Δ χ2+5% (default-CD)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.19 +0.010 0.20
ATLAS_2017_I1509919 13000 0.077 +0.0060 0.083
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.61 -0.21 0.40
ATLAS_2017_I1509919 13000 0.21 -0.0100 0.20
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.25 -0.010 0.24
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.21 0 0.21
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.34 0 0.34
ATLAS_2017_I1509919 13000 0.070 -0.0020 0.068
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.31* +0.28 0.59
ATLAS_2017_I1509919 13000 0.17 +0.38 0.55
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.89* +0.21 1.1
ATLAS_2017_I1509919 13000 0.79 -0.14 0.65
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.0 -0.17 0.83
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.4 -0.83 0.57
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.84* -0.26 0.58
ATLAS_2017_I1509919 13000 0.53 -0.22 0.31
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 n/a - 12*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 0.90* +1.9 2.8*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.9 -0.100 1.8
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 3.8* 0 3.8*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.72 +0.38 1.1
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.87* +0.13 1.0
ATLAS_2017_I1509919 13000 1.3 -0.10 1.2
CDF_2001_I564673 1800 2.4* -0.40 2.0*
CDF_2010_I849042 1960 n/a - n/a
STAR_2009_UE_HELEN 200 n/a - n/a
Transverse
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.77* -0.11 0.66
ATLAS_2017_I1509919 13000 0.80 +0.100 0.90
CDF_2001_I564673 1800 2.5* -0.10 2.4*
CDF_2010_I849042 1960 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransAVE
<Nch> vs pTlead
CDF_2015_I1388868 [300..1960] 1.2* - n/a
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.4 -0.50 3.9
CDF_2015_I1388868 [300..1960] 0.42* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.2 0 1.2
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 0.79* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.96 -0.23 0.73
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2* +0.10 1.3
ATLAS_2017_I1509919 13000 2.1 -0.20 1.9
CDF_2001_I564673 1800 2.9* +0.20 3.1*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 2.2 -0.60 1.6
CMS_2011_I916908 [900..7000] n/a - 21*
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 3.1 -0.20 2.9
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.71* +0.20 0.91
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1* -0.14 0.96
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 0.73* +0.47 1.2*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 0.85 +2.1 2.9
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 3.7* -1.2 2.5*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.5* -0.20 4.3*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 0.93 +0.37 1.3
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.67* +0.33 1.0
ATLAS_2017_I1509919 13000 1.3 +0.100 1.4
CDF_2001_I564673 1800 4.6* -3.8 0.80*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.90* -0.16 0.74
ATLAS_2017_I1509919 13000 0.96 -0.21 0.75
CDF_2001_I564673 1800 1.2* -0.20 1.0*
CDF_2010_I849042 1960 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
Transverse
Strange Σ(pT) vs pTlead
CMS_2012_PAS_QCD_11_010 7000 n/a - 18*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 2.5* - n/a
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.73 -0.36 0.37
CDF_2015_I1388868 [300..1960] 1.5* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.77 -0.13 0.64
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 2.1* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 2.2 -1.3 0.94
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.87* +0.13 1.0
ATLAS_2017_I1509919 13000 1.7 -0.20 1.5
CDF_2001_I564673 1800 0.17* +0.16 0.33*
CDF_2010_I849042 1960 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 364 histograms.