Generator

Details for Pythia 8.301 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] 0.24 0 0.24
ATLAS_2017_I1509919 13000 0.089 +0.011 0.10
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.60 -0.22 0.38
ATLAS_2017_I1509919 13000 0.20 +0.0100 0.21
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.24 +0.010 0.25
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.23 0 0.23
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.36 0 0.36
ATLAS_2017_I1509919 13000 0.087 +0.0030 0.090
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.57 -0.32 0.25
ATLAS_2017_I1509919 13000 0.098 +0.19 0.29
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.94 +0.16 1.1
ATLAS_2017_I1509919 13000 0.70 -0.36 0.34
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.86 -0.44 0.42
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.50 -0.090 0.41
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.78 -0.26 0.52
ATLAS_2017_I1509919 13000 0.23 +0.020 0.25
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 10* -0.70 9.3*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 2.1* +0.20 2.3*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.8 -0.10 1.7
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 3.8* +0.10 3.9*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.56 +0.64 1.2
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.3 -0.49 0.81
ATLAS_2017_I1509919 13000 1.3 +0.100 1.4
CDF_2001_I564673 1800 1.9* 0 1.9*
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] 0.96 0 0.96
ATLAS_2017_I1509919 13000 0.93 -0.13 0.80
CDF_2001_I564673 1800 2.2* -0.40 1.8*
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] 0.55* +0.55 1.1*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 3.8 -0.40 3.4
CDF_2015_I1388868 [300..1960] 0.49* +0.030 0.52*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.3 -0.20 1.1
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 0.42* +2.2 2.6*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.64 -0.070 0.57
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.3* -0.30 1.0*
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.5 -0.40 1.1
ATLAS_2017_I1509919 13000 1.8 0 1.8
CDF_2001_I564673 1800 4.9* -2.7 2.2*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 1.5 0 1.5
CMS_2011_I916908 [900..7000] 34* -8.0 26*
Transverse
pT spectrum
CDF_2001_I564673 1800 4.4* +2.4 6.8*
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 3.2 -0.20 3.0
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.8 -0.90 1.9
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.0 -0.60 1.4
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 0.81* -0.14 0.67*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 1.6 -0.73 0.87
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 4.7* -1.2 3.5*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.7* +0.20 4.9*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 0.55 +0.55 1.1
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.5 -0.84 0.66
ATLAS_2017_I1509919 13000 1.2 +0.10 1.3
CDF_2001_I564673 1800 0.87* +0.43 1.3*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.86 +0.24 1.1
ATLAS_2017_I1509919 13000 0.87 -0.24 0.63
CDF_2001_I564673 1800 1.2* +1.5 2.7*
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 19* -5.0 14*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 1.1* +5.0 6.1*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.72 +0.040 0.76
CDF_2015_I1388868 [300..1960] 0.64* +1.5 2.1*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.88 -0.23 0.65
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 0.86* +5.9 6.8*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.85 -0.15 0.70
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 2.6* +0.20 2.8*
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1 -0.10 1.00
ATLAS_2017_I1509919 13000 1.4 +0.20 1.6
CDF_2001_I564673 1800 0.24* +0.050 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.