Generator / tune

Details for Pythia 6.427 363 vs. 6.428

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.50* -0.20 0.30*
ATLAS_2017_I1509919 13000 0.94 - n/a
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.27* 0 0.27*
ATLAS_2017_I1509919 13000 0.52 - n/a
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.52 - n/a
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.37 - n/a
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.65* +0.040 0.69*
ATLAS_2017_I1509919 13000 1.5 - n/a
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.60* -0.21 0.39*
ATLAS_2017_I1509919 13000 0.56 - n/a
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.41* -0.030 0.38*
ATLAS_2017_I1509919 13000 0.35 - n/a
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.46 - n/a
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.21 - n/a
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.87* -0.16 0.71*
ATLAS_2017_I1509919 13000 1.9 - n/a
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 31* -6.0 25*
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] 4.5* -2.0 2.5*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 7.3 -3.0 4.3
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 5.6* -1.4 4.2*
ATLAS_2017_I1509919 13000 8.6 - 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] 8.5* -2.8 5.7*
ATLAS_2017_I1509919 13000 14 - 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 0.55 - 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 8.8 - 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 24 - 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] 5.5* -1.8 3.7*
ATLAS_2017_I1509919 13000 8.2 - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 11 - 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] 4.6* -2.0 2.6*
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.6* +0.80 3.4*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.7* +1.1 3.8*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 9.6* -6.3 3.3*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 37 -14 23
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] n/a - 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 5.3 -2.6 2.7
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 3.5* -0.80 2.7*
ATLAS_2017_I1509919 13000 6.5 - 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] 7.2* -2.8 4.4*
ATLAS_2017_I1509919 13000 13 - 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 31* -7.0 24*
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 3.2 - 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 11 - 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 19 - 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] 2.0* -0.70 1.3*
ATLAS_2017_I1509919 13000 3.9 - 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.