Generator

Details for Pythia 8.306 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] 0.23 +0.0100 0.24
ATLAS_2017_I1509919 13000 0.080 -0.0050 0.075
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.41 -0.020 0.39
ATLAS_2017_I1509919 13000 0.22 -0.020 0.20
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.24 0 0.24
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.27 -0.040 0.23
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.33 -0.010 0.32
ATLAS_2017_I1509919 13000 0.060 +0.022 0.082
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.35* -0.090 0.26
ATLAS_2017_I1509919 13000 0.18 +0.38 0.56
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.6* -0.69 0.91
ATLAS_2017_I1509919 13000 0.79 +0.17 0.96
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.85 +0.55 1.4
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.84 -0.34 0.50
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.85* -0.20 0.65
ATLAS_2017_I1509919 13000 0.28 +0.15 0.43
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 11* +1.0 12*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 2.6* -0.60 2.0*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.6 0 1.6
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.0* -0.30 3.7*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.74 +0.76 1.5
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.94* -0.050 0.89
ATLAS_2017_I1509919 13000 1.4 +0.10 1.5
CDF_2001_I564673 1800 2.2* -0.50 1.7*
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] 1.0* -0.27 0.73
ATLAS_2017_I1509919 13000 0.87 +0.040 0.91
CDF_2001_I564673 1800 2.1* +0.20 2.3*
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] 1.5* - n/a
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 3.6 -0.20 3.4
CDF_2015_I1388868 [300..1960] 2.4* - 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] 1.8* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.55 +0.22 0.77
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* -0.21 0.99
ATLAS_2017_I1509919 13000 2.0 0 2.0
CDF_2001_I564673 1800 2.8* +0.80 3.6*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 1.8 -0.30 1.5
CMS_2011_I916908 [900..7000] n/a - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.8 0 2.8
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.86* +0.070 0.93
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.85* +0.95 1.8
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.2* +0.60 1.8*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 1.4 +3.2 4.6
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 3.1* -0.40 2.7*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.9* -0.30 4.6*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 0.83 +1.1 1.9
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.75* +0.020 0.77
ATLAS_2017_I1509919 13000 1.3 +0.40 1.7
CDF_2001_I564673 1800 0.81* +0.14 0.95*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2* -0.42 0.78
ATLAS_2017_I1509919 13000 0.80 +0.11 0.91
CDF_2001_I564673 1800 0.84* +0.100 0.94*
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 17* +1.0 18*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 3.8* - n/a
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.66 +0.080 0.74
CDF_2015_I1388868 [300..1960] 3.3* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.77 +0.070 0.84
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 3.6* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.86 +0.14 1.0
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] 0.83* +0.050 0.88
ATLAS_2017_I1509919 13000 1.5 0 1.5
CDF_2001_I564673 1800 0.17* +0.27 0.44*
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.