Generator / tune

Details for Pythia 8.313 qcdcr2 vs. 8.315

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.31 -0.080 0.23
ATLAS_2017_I1509919 13000 0.23 0 0.23
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.46 -0.010 0.45
ATLAS_2017_I1509919 13000 0.48 0 0.48
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.50 +0.030 0.53
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.54 0 0.54
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.32 -0.030 0.29
ATLAS_2017_I1509919 13000 0.14 -0.010 0.13
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.48 +0.13 0.61
ATLAS_2017_I1509919 13000 0.62 -0.060 0.56
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1 0 1.1
ATLAS_2017_I1509919 13000 1.1 +0.30 1.4
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.2 +0.20 1.4
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.98 +0.42 1.4
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.82 -0.100 0.72
ATLAS_2017_I1509919 13000 0.40 -0.15 0.25
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 39 -8.0 31*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 2.6* +0.30 2.9*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.6 0 1.6
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.1* +0.10 4.2*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.86 -0.23 0.63
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.68 +0.070 0.75
ATLAS_2017_I1509919 13000 0.77 -0.080 0.69
CDF_2001_I564673 1800 1.9* +0.80 2.7*
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] 0.69 -0.020 0.67
ATLAS_2017_I1509919 13000 0.68 -0.15 0.53
CDF_2001_I564673 1800 2.4* +1.3 3.7*
CDF_2010_I849042 1960 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - 0.73*
CMS_2015_I1385107 2760 n/a - n/a
TransAVE
<Nch> vs pTlead
CDF_2015_I1388868 [300..1960] 1.3* +0.100 1.4*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.2 +0.60 4.8
CDF_2015_I1388868 [300..1960] 0.67* -0.080 0.59*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.98 -0.100 0.88
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 0.97* +0.010 0.98*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.78 -0.15 0.63
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 1.2*
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.0 +0.10 1.1
ATLAS_2017_I1509919 13000 1.3 -0.20 1.1
CDF_2001_I564673 1800 2.4* +0.60 3.0*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 5.6 +2.8 8.4
CMS_2011_I916908 [900..7000] n/a - 23*
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - 8.6*
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.5 0 2.5
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.0 +0.10 1.1
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.0 +0.50 1.5
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.6* -0.30 1.3*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 1.8 +0.50 2.3
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 2.0* +5.7 7.7*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.6* +0.40 5.0*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 1.0 -0.23 0.77
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.64 +0.060 0.70
ATLAS_2017_I1509919 13000 0.74 -0.28 0.46
CDF_2001_I564673 1800 1.2* +0.90 2.1*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.62 +0.100 0.72
ATLAS_2017_I1509919 13000 0.58 +0.28 0.86
CDF_2001_I564673 1800 1.3* +0.80 2.1*
CDF_2010_I849042 1960 n/a - n/a
CMS_2011_I916908 [900..7000] n/a - 1.2*
CMS_2015_I1385107 2760 n/a - n/a
Transverse
Strange Σ(pT) vs pTlead
CMS_2012_PAS_QCD_11_010 7000 42 0 42*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 1.9* +1.2 3.1*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.60 -0.090 0.51
CDF_2015_I1388868 [300..1960] 1.3* +0.50 1.8*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.52 +0.22 0.74
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.7* +0.90 2.6*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.82 +0.28 1.1
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 2.6*
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.71 +0.090 0.80
ATLAS_2017_I1509919 13000 0.87 -0.31 0.56
CDF_2001_I564673 1800 0.20* -0.10 0.10*
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.