Generator / tune

Details for Pythia 8.306 eetherm vs. 8.307

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (8.306) Δ χ2+5% (8.307)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.065 +0.075 0.14
ATLAS_2017_I1509919 13000 0.13 -0.010 0.12
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.16 +0.020 0.18
ATLAS_2017_I1509919 13000 0.11 +0.040 0.15
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.12 +0.040 0.16
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.11 +0.020 0.13
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.089 +0.17 0.26
ATLAS_2017_I1509919 13000 0.11 -0.013 0.097
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.17* +0.10 0.27
ATLAS_2017_I1509919 13000 0.091 +0.13 0.22
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.67* -0.23 0.44
ATLAS_2017_I1509919 13000 0.31 -0.030 0.28
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.38 -0.090 0.29
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.38 -0.11 0.27
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.49* -0.19 0.30
ATLAS_2017_I1509919 13000 0.19 +0.35 0.54
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 n/a - 14*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 1.6* -0.30 1.3*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.1 0 2.1
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 3.5* -0.10 3.4*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.88 -0.20 0.68
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.33* +0.090 0.42
ATLAS_2017_I1509919 13000 0.61 +0.080 0.69
CDF_2001_I564673 1800 n/a - 1.1*
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] 0.74* -0.15 0.59
ATLAS_2017_I1509919 13000 0.78 -0.17 0.61
CDF_2001_I564673 1800 n/a - 0.76*
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 - 1.5*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 3.5 -0.30 3.2
CDF_2015_I1388868 [300..1960] n/a - 0.54*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.96 -0.22 0.74
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 1.1*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.1 -0.13 0.97
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 2.2*
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.58* -0.20 0.38
ATLAS_2017_I1509919 13000 0.68 +0.32 1.0
CDF_2001_I564673 1800 n/a - 2.6*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 2.5 +0.10 2.6
CMS_2011_I916908 [900..7000] 9.7* - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - 1.6*
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 3.8 +0.10 3.9
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.62* -0.17 0.45
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.75* +0.13 0.88
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 0.99* -0.11 0.88*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 2.0 -1.1 0.95
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 4.0* +4.1 8.1*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.8* -0.20 4.6*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 0.87 -0.14 0.73
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.25* +0.19 0.44
ATLAS_2017_I1509919 13000 0.67 +0.14 0.81
CDF_2001_I564673 1800 n/a - 0.77*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.92* -0.15 0.77
ATLAS_2017_I1509919 13000 0.84 -0.100 0.74
CDF_2001_I564673 1800 n/a - 0.59*
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 n/a - 19*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] n/a - 2.8*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.77 -0.29 0.48
CDF_2015_I1388868 [300..1960] n/a - 0.97*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.83 -0.21 0.62
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 2.1*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 1.00 0 1.0
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 3.6*
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.52* -0.13 0.39
ATLAS_2017_I1509919 13000 0.73 +0.26 0.99
CDF_2001_I564673 1800 n/a - 0.16*
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.