Generator

Details for Pythia 8.306 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 -0.0100 0.23
ATLAS_2017_I1509919 13000 0.077 +0.0030 0.080
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.43 -0.020 0.41
ATLAS_2017_I1509919 13000 0.21 +0.010 0.22
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.25 -0.010 0.24
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.22 +0.050 0.27
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.38 -0.050 0.33
ATLAS_2017_I1509919 13000 0.078 -0.018 0.060
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.28* +0.070 0.35*
ATLAS_2017_I1509919 13000 0.20 -0.020 0.18
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1* +0.50 1.6*
ATLAS_2017_I1509919 13000 0.40 +0.39 0.79
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.45 +0.40 0.85
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.43 +0.41 0.84
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.84* +0.010 0.85*
ATLAS_2017_I1509919 13000 0.29 -0.0100 0.28
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 10* +1.0 11*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 2.7* -0.10 2.6*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.7 -0.100 1.6
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 3.9* +0.10 4.0*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 1.2 -0.46 0.74
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.87* +0.070 0.94*
ATLAS_2017_I1509919 13000 1.2 +0.20 1.4
CDF_2001_I564673 1800 2.1* +0.10 2.2*
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] 0.64* +0.36 1.0*
ATLAS_2017_I1509919 13000 0.87 0 0.87
CDF_2001_I564673 1800 2.2* -0.10 2.1*
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
TransAVE
<Nch> vs pTlead
CDF_2015_I1388868 [300..1960] 1.2* +0.30 1.5*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.1 -0.50 3.6
CDF_2015_I1388868 [300..1960] 0.81* +1.6 2.4*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.3 -0.10 1.2
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 0.99* +0.81 1.8*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.78 -0.23 0.55
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.1* - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2* 0 1.2*
ATLAS_2017_I1509919 13000 1.7 +0.30 2.0
CDF_2001_I564673 1800 3.1* -0.30 2.8*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 1.7 +0.10 1.8
CMS_2011_I916908 [900..7000] 25* - 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] 0.53* +0.33 0.86*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.54* +0.31 0.85*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 0.98* +0.22 1.2*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 3.1 -1.7 1.4
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 2.3* +0.80 3.1*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.8* +0.10 4.9*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 1.5 -0.67 0.83
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.73* +0.020 0.75*
ATLAS_2017_I1509919 13000 1.1 +0.20 1.3
CDF_2001_I564673 1800 2.8* -2.0 0.81*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.76* +0.44 1.2*
ATLAS_2017_I1509919 13000 0.65 +0.15 0.80
CDF_2001_I564673 1800 0.77* +0.070 0.84*
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 14* +3.0 17*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 1.7* +2.1 3.8*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.63 +0.030 0.66
CDF_2015_I1388868 [300..1960] 1.3* +2.0 3.3*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.63 +0.14 0.77
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.5* +2.1 3.6*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.86 0 0.86
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
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.97* -0.14 0.83*
ATLAS_2017_I1509919 13000 1.3 +0.20 1.5
CDF_2001_I564673 1800 0.53* -0.36 0.17*
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.