Generator / tune

Details for Pythia 6.427 365 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] 2.0* -0.40 1.6*
ATLAS_2017_I1509919 13000 2.8 - n/a
Transverse
 <pT> vs Nch
 ATLAS_2010_I879407 [900..7000] n/a - 1.0*
ATLAS_2017_I1509919 13000 1.8 - n/a
TransMAX
 <pT> vs Nch
 ATLAS_2017_I1509919 13000 1.9 - n/a
TransMIN
 <pT> vs Nch
 ATLAS_2017_I1509919 13000 1.2 - n/a
Toward
 <pT> vs Nch
 ATLAS_2010_I879407 [900..7000] 1.9* -0.20 1.7*
ATLAS_2017_I1509919 13000 4.0 - n/a
Away
 <pT> vs pTlead
 ATLAS_2010_I879407 [900..7000] 1.1* -0.39 0.71*
ATLAS_2017_I1509919 13000 0.93 - n/a
Transverse
 <pT> vs pTlead
 ATLAS_2010_I879407 [900..7000] 0.43* -0.17 0.26*
ATLAS_2017_I1509919 13000 0.16 - n/a
CDF_2010_I849042 1960 n/a - n/a
TransMAX
 <pT> vs pTlead
 ATLAS_2017_I1509919 13000 0.25 - n/a
TransMIN
 <pT> vs pTlead
 ATLAS_2017_I1509919 13000 0.30 - n/a
Toward
 <pT> vs pTlead
 ATLAS_2010_I879407 [900..7000] 3.0* -0.40 2.6*
ATLAS_2017_I1509919 13000 6.1 - n/a
Transverse
 Strange <N> vs pTlead
 CMS_2012_PAS_QCD_11_010 7000 71* +39 110
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] 20* -3.0 17*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
 <Nch> vs ηlead
 ATLAS_2010_I879407 7000 15 -4.0 11
Away
 <Nch> vs pTlead
 ATLAS_2010_I879407 [900..7000] 18* -3.0 15*
ATLAS_2017_I1509919 13000 32 - 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] 24* -3.0 21*
ATLAS_2017_I1509919 13000 49 - 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] 7.7* - n/a
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 n/a - n/a
TransDIF
 <Nch> vs pTlead
 ATLAS_2017_I1509919 13000 3.8 - n/a
CDF_2015_I1388868 [300..1960] 3.5* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
 <Nch> vs pTlead
 ATLAS_2017_I1509919 13000 35 - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 6.1* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
 <Nch> vs pTlead
 ATLAS_2017_I1509919 13000 81 - 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] 16* -2.0 14*
ATLAS_2017_I1509919 13000 29 - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
 ATLAS_2017_I1509919 13000 15 - 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] 17* -3.0 14*
Transverse
 σ(Nch) vs pTlead
 ATLAS_2010_I879407 [900..7000] 13* -7.0 6.0*
Transverse
 σ(Σ(pT)) vs pTlead
 ATLAS_2010_I879407 [900..7000] 7.3* -2.9 4.4*
Transverse
 Σ(ET)
 ATLAS_2012_I1183818 7000 8.3* +4.7 13*
Transverse
 Σ(ET) vs η
 ATLAS_2012_I1183818 7000 61 -12 49
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 9.2 -3.0 6.2
Away
 Σ(pT) vs pTlead
 ATLAS_2010_I879407 [900..7000] 12* -2.3 9.7*
ATLAS_2017_I1509919 13000 22 - 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] 22* -5.0 17*
ATLAS_2017_I1509919 13000 44 - 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* +37 98
TransAVE
 Σ(pT) vs pTlead
 CDF_2015_I1388868 [300..1960] 10* - n/a
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 n/a - n/a
TransDIF
 Σ(pT) vs pTlead
 ATLAS_2017_I1509919 13000 11 - n/a
CDF_2015_I1388868 [300..1960] 4.7* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
 Σ(pT) vs pTlead
 ATLAS_2017_I1509919 13000 34 - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 7.8* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
 Σ(pT) vs pTlead
 ATLAS_2017_I1509919 13000 66 - 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] 6.3* -1.1 5.2*
ATLAS_2017_I1509919 13000 11 - 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.