Generator / tune

Details for Pythia 6.427 ambt1 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] 0.13 -0.089 0.041*
ATLAS_2017_I1509919 13000 0.054 - n/a
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.14 -0.086 0.054*
ATLAS_2017_I1509919 13000 0.040 - n/a
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.059 - n/a
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.11 - n/a
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.11 -0.012 0.098*
ATLAS_2017_I1509919 13000 0.30 - n/a
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.52 +0.16 0.68*
ATLAS_2017_I1509919 13000 0.20 - n/a
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.81 -0.43 0.38*
ATLAS_2017_I1509919 13000 1.2 - n/a
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.5 - n/a
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.85 - n/a
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.45 -0.050 0.40*
ATLAS_2017_I1509919 13000 1.1 - n/a
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 9.7* +0.10 9.8*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 4.1* - n/a
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 3.2 -2.7 0.51*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 2.5 -0.10 2.4
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.8 -0.84 0.96*
ATLAS_2017_I1509919 13000 2.1 - 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] 2.8 -1.3 1.5*
ATLAS_2017_I1509919 13000 4.3 - 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 0.84 - 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 2.4 - 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 8.2 - 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] 1.4 -0.30 1.1*
ATLAS_2017_I1509919 13000 2.1 - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 6.5 - n/a
CMS_2011_I916908 [900..7000] 9.2* - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 5.2 -4.3 0.93*
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.88 -0.47 0.41*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.5 -1.1 0.45*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 2.8* -1.7 1.1*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 12 -4.3 7.7
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 6.2* - 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 2.4 -0.30 2.1
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.3 -0.78 0.52*
ATLAS_2017_I1509919 13000 2.3 - 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] 2.8 -1.7 1.1*
ATLAS_2017_I1509919 13000 6.3 - 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 15* -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 5.1 - 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 8.5 - 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
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.48 0 0.48*
ATLAS_2017_I1509919 13000 1.3 - 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.