Generator

Details for Pythia 6.423 default vs. a

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (default) Δ χ2+5% (a)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 1.3 +0.30 1.6
ATLAS_2017_I1509919 13000 n/a - n/a
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 1.4 -0.100 1.3
ATLAS_2017_I1509919 13000 n/a - n/a
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 n/a - n/a
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 n/a - n/a
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 1.0 +0.30 1.3
ATLAS_2017_I1509919 13000 n/a - n/a
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.18* +0.30 0.48
ATLAS_2017_I1509919 13000 n/a - n/a
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.65* -0.16 0.49
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.38* +0.54 0.92
ATLAS_2017_I1509919 13000 n/a - n/a
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 55* -10 45*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 10* -4.9 5.1*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 6.2 -2.2 4.0
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 7.6 -0.60 7.0
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.8* +1.00 2.8
ATLAS_2017_I1509919 13000 n/a - n/a
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] 4.3* +1.4 5.7
ATLAS_2017_I1509919 13000 n/a - n/a
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 - 3.6*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 1.8*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 2.9*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
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] 0.98* +1.3 2.3
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - 13*
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 7.2 -2.5 4.7
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.5* -0.64 0.86*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.1* +0.30 2.4
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.4* +1.2 2.6*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 3.1 +15 18
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 18* -9.7 8.3*
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 3.3 +0.30 3.6
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.65* +0.85 1.5
ATLAS_2017_I1509919 13000 n/a - n/a
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] 4.3* -0.100 4.2
ATLAS_2017_I1509919 13000 n/a - n/a
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 60* -16 44*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] n/a - 5.8*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 3.4*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 4.6*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 n/a - n/a
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] 0.29* +0.48 0.77
ATLAS_2017_I1509919 13000 n/a - n/a
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.