Generator / tune

Details for Pythia 6.426 ambt1 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] 0.089 +0.041 0.13
ATLAS_2017_I1509919 13000 n/a - 0.054
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.059 +0.081 0.14
ATLAS_2017_I1509919 13000 n/a - 0.040
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 n/a - 0.059
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 n/a - 0.11
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.11 0 0.11
ATLAS_2017_I1509919 13000 n/a - 0.30
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.35 +0.17 0.52
ATLAS_2017_I1509919 13000 n/a - 0.20
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.41 +0.40 0.81
ATLAS_2017_I1509919 13000 n/a - 1.2
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 n/a - 1.5
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 n/a - 0.85
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.46 -0.010 0.45
ATLAS_2017_I1509919 13000 n/a - 1.1
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 11* -1.3 9.7*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 4.5* -0.40 4.1*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 3.1 +0.10 3.2
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 3.7* - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 2.2 +0.30 2.5
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.6 +0.20 1.8
ATLAS_2017_I1509919 13000 n/a - 2.1
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] 2.7 +0.100 2.8
ATLAS_2017_I1509919 13000 n/a - 4.3
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 - 0.84
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 - 2.4
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 - 8.2
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] 1.5 -0.10 1.4
ATLAS_2017_I1509919 13000 n/a - 2.1
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 n/a - 6.5
CMS_2011_I916908 [900..7000] n/a - 9.2*
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 5.0 +0.20 5.2
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.66 +0.22 0.88
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.4 +0.10 1.5
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 3.8* -1.0 2.8*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 10 +2.0 12
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 5.7* +0.50 6.2*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.1* - n/a
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 1.8 +0.60 2.4
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.96 +0.34 1.3
ATLAS_2017_I1509919 13000 n/a - 2.3
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] 2.4 +0.40 2.8
ATLAS_2017_I1509919 13000 n/a - 6.3
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 16* -1.0 15*
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 - 1.8
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 - 5.1
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 - 8.5
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] 0.46 +0.020 0.48
ATLAS_2017_I1509919 13000 n/a - 1.3
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.