Generator / tune

Details for Pythia 6.426 default vs. 6.427

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 2.7* -0.50 2.2*
ATLAS_2017_I1509919 13000 n/a - n/a
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 2.4* +0.10 2.5*
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] 2.0* 0 2.0*
ATLAS_2017_I1509919 13000 n/a - n/a
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.87* -0.070 0.80*
ATLAS_2017_I1509919 13000 n/a - n/a
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.3* +0.100 1.4*
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] 1.1* -0.27 0.83*
ATLAS_2017_I1509919 13000 n/a - n/a
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 54* -6.0 48*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] n/a - n/a
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 6.4* +0.40 6.8*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 6.4 -0.30 6.1
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 5.3* +1.7 7.0*
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] 11* +1.0 12*
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 - n/a
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 - n/a
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 - n/a
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] 4.0* +0.90 4.9*
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 - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 4.9* +0.20 5.1*
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 3.3* +5.4 8.7*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 3.8* +2.4 6.2*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 0.82* +1.2 2.0*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 9.1 -0.50 8.6
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 20* - 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 2.1 +0.80 2.9
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.3* +0.70 3.0*
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] 7.7* +2.2 9.9*
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 61* -5.0 56*
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 n/a - n/a
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 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
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] 0.63* +0.77 1.4*
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.