Generator

Details for Pythia 8.186 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] 0.066* +0.025 0.091*
ATLAS_2017_I1509919 13000 0.043 +0.0080 0.051
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.11* -0.0100 0.10*
ATLAS_2017_I1509919 13000 0.11 0 0.11
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.13 +0.030 0.16
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.16 -0.040 0.12
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.061* +0.015 0.076*
ATLAS_2017_I1509919 13000 0.043 +0.0030 0.046
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.21* +0.010 0.22*
ATLAS_2017_I1509919 13000 0.45 -0.22 0.23
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.74* +0.12 0.86*
ATLAS_2017_I1509919 13000 1.1 -0.35 0.75
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.3 -0.31 0.99
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.1 -0.38 0.72
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.60* -0.080 0.52*
ATLAS_2017_I1509919 13000 0.18 +0.26 0.44
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 65 -23 42*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 3.3* +0.50 3.8*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 0.88* +0.010 0.89*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.94 +0.16 1.1
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.69* -0.070 0.62*
ATLAS_2017_I1509919 13000 0.89 -0.12 0.77
CDF_2001_I564673 1800 n/a - n/a
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] 1.7* -0.73 0.97*
ATLAS_2017_I1509919 13000 0.77 -0.28 0.49
CDF_2001_I564673 1800 n/a - n/a
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] n/a - n/a
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 3.5 -1.6 1.9
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.2 -0.72 0.48
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
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.73 +0.11 0.84
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] 1.0* -0.29 0.71*
ATLAS_2017_I1509919 13000 1.1 +0.60 1.7
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 4.0 -1.0 3.0
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] 1.2* 0 1.2*
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.5* +0.80 2.3*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1* +0.40 1.5*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.2* +0.70 1.9*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 4.0 +5.0 9.0
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 5.0* - n/a
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 1.1 +0.20 1.3
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.55* +0.050 0.60*
ATLAS_2017_I1509919 13000 0.62 +0.15 0.77
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.92* +0.18 1.1*
ATLAS_2017_I1509919 13000 2.8 -1.9 0.87
CDF_2001_I564673 1800 n/a - n/a
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 59 -15 44*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] n/a - n/a
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 6.0 -5.4 0.61
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 5.8 -5.0 0.84
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
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.98 +0.12 1.1
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] 0.59* +0.060 0.65*
ATLAS_2017_I1509919 13000 0.89 +0.21 1.1
CDF_2001_I564673 1800 n/a - n/a
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.