Generator / tune

Details for Pythia 6.426 357 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] 0.051* -0.0030 0.048*
ATLAS_2017_I1509919 13000 0.029 - n/a
Transverse
 <pT> vs Nch
 ATLAS_2010_I879407 [900..7000] 0.14* -0.080 0.060*
ATLAS_2017_I1509919 13000 0.043 - n/a
TransMAX
 <pT> vs Nch
 ATLAS_2017_I1509919 13000 0.062 - n/a
TransMIN
 <pT> vs Nch
 ATLAS_2017_I1509919 13000 0.070 - n/a
Toward
 <pT> vs Nch
 ATLAS_2010_I879407 [900..7000] 0.084* -0.0070 0.077*
ATLAS_2017_I1509919 13000 0.066 - n/a
Away
 <pT> vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.31* +0.090 0.40*
ATLAS_2017_I1509919 13000 2.6 - n/a
Transverse
 <pT> vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.50* -0.010 0.49*
ATLAS_2017_I1509919 13000 2.3 - n/a
CDF_2010_I849042 1960 n/a - n/a
TransMAX
 <pT> vs pTlead
 ATLAS_2017_I1509919 13000 2.5 - n/a
TransMIN
 <pT> vs pTlead
 ATLAS_2017_I1509919 13000 0.67 - n/a
Toward
 <pT> vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.67* +0.19 0.86*
ATLAS_2017_I1509919 13000 0.71 - n/a
Transverse
 Strange <N> vs pTlead
 CMS_2012_PAS_QCD_11_010 7000 9.4* +0.100 9.5*
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 n/a - n/a
Transverse
 Nch
 CMS_2011_I916908 [900..7000] n/a - 2.4*
Δφ distributions
 <Nch> vs Δφ
 ATLAS_2010_I879407 [900..7000] 0.88* +0.070 0.95*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
 <Nch> vs ηlead
 ATLAS_2010_I879407 7000 1.8 -0.20 1.6
Away
 <Nch> vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.85* -0.25 0.60*
ATLAS_2017_I1509919 13000 2.5 - 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] 0.90* -0.070 0.83*
ATLAS_2017_I1509919 13000 3.5 - 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 3.9 - 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 3.7 - 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 3.0 - 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] 1.1* +0.50 1.6*
ATLAS_2017_I1509919 13000 2.7 - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
 ATLAS_2017_I1509919 13000 6.7 - 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] 0.91* +0.070 0.98*
Transverse
 σ(Nch) vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.92* +0.68 1.6*
Transverse
 σ(Σ(pT)) vs pTlead
 ATLAS_2010_I879407 [900..7000] 1.7* 0 1.7*
Transverse
 Σ(ET)
 ATLAS_2012_I1183818 7000 1.9* +0.10 2.0*
Transverse
 Σ(ET) vs η
 ATLAS_2012_I1183818 7000 6.8 -0.40 6.4
Transverse
 Scalar Σ(pT)
 CMS_2011_I916908 [900..7000] 3.3* - 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 1.7 -0.30 1.4
Away
 Σ(pT) vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.53* -0.21 0.32*
ATLAS_2017_I1509919 13000 2.1 - 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] 0.62* -0.010 0.61*
ATLAS_2017_I1509919 13000 2.9 - 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 13* +1.0 14*
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 1.8 - 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 2.5 - 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 3.6 - 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] 0.56* +0.0100 0.57*
ATLAS_2017_I1509919 13000 2.4 - 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.