Generator

Details for Pythia 8.303 default-CD vs. default-DL

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (default-CD) Δ χ2+5% (default-DL)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.22 +0.010 0.23
ATLAS_2017_I1509919 13000 0.088 -0.0060 0.082
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.50 -0.050 0.45
ATLAS_2017_I1509919 13000 0.20 0 0.20
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.24 0 0.24
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.19 +0.040 0.23
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.35 +0.010 0.36
ATLAS_2017_I1509919 13000 0.084 +0.0030 0.087
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.22 +0.17 0.39
ATLAS_2017_I1509919 13000 0.15 -0.040 0.11
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.98 +0.020 1.0
ATLAS_2017_I1509919 13000 0.78 +0.32 1.1
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.94 +0.26 1.2
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.68 +0.62 1.3
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.62 -0.13 0.49
ATLAS_2017_I1509919 13000 0.26 -0.020 0.24
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 47 -37 10*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 2.1* -0.40 1.7*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.5 +0.10 1.6
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.0* -0.20 3.8*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 1.3 0 1.3
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.82 +0.090 0.91
ATLAS_2017_I1509919 13000 1.2 0 1.2
CDF_2001_I564673 1800 2.0* 0 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] 0.56 +0.27 0.83
ATLAS_2017_I1509919 13000 0.76 -0.020 0.74
CDF_2001_I564673 1800 2.1* +0.30 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] 1.6* -1.0 0.58*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.0 -0.70 3.3
CDF_2015_I1388868 [300..1960] 1.1* -0.46 0.64*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.1 -0.14 0.96
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.5* -0.93 0.57*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.59 +0.24 0.83
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 2.3* -0.90 1.4*
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1 -0.12 0.98
ATLAS_2017_I1509919 13000 1.9 -0.20 1.7
CDF_2001_I564673 1800 3.3* 0 3.3*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 1.6 -0.30 1.3
CMS_2011_I916908 [900..7000] 22* - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - 6.1*
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.8 +0.10 2.9
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.95 +0.65 1.6
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2 +1.1 2.3
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 0.87* -0.50 0.37*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 3.2 -2.1 1.1
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 3.4* +0.50 3.9*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 5.0* 0 5.0*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 1.3 0 1.3
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.89 -0.010 0.88
ATLAS_2017_I1509919 13000 1.0 +0.10 1.1
CDF_2001_I564673 1800 1.2* +0.90 2.1*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.64 +0.36 1.0
ATLAS_2017_I1509919 13000 0.77 +0.080 0.85
CDF_2001_I564673 1800 1.2* -0.100 1.1*
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 45 -29 16*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 3.0* -1.4 1.6*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.99 -0.35 0.64
CDF_2015_I1388868 [300..1960] 2.4* -1.3 1.1*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.82 -0.050 0.77
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 2.8* -1.4 1.4*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.78 +0.42 1.2
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 4.8* -2.5 2.3*
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.90 -0.020 0.88
ATLAS_2017_I1509919 13000 1.5 -0.20 1.3
CDF_2001_I564673 1800 0.14* +0.15 0.29*
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.