Generator / tune

Details for Pythia 8.306 pptherm 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] 0.26 -0.070 0.19
ATLAS_2017_I1509919 13000 0.18 -0.030 0.15
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.51 +0.24 0.75
ATLAS_2017_I1509919 13000 0.37 -0.020 0.35
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.48 -0.090 0.39
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.51 +0.010 0.52
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.56 -0.21 0.35
ATLAS_2017_I1509919 13000 0.16 -0.010 0.15
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.38 -0.20 0.18*
ATLAS_2017_I1509919 13000 0.27 +0.18 0.45
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1 -0.20 0.90*
ATLAS_2017_I1509919 13000 1.2 +0.30 1.5
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.1 +0.60 1.7
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 1.5 -0.20 1.3
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.46 -0.090 0.37*
ATLAS_2017_I1509919 13000 0.36 -0.15 0.21
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 3.5* +0.70 4.2*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 18* +7.0 25*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 8.1 -0.40 7.7
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 9.0* -0.70 8.3*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 1.5 -0.70 0.80
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2 +0.30 1.5*
ATLAS_2017_I1509919 13000 0.63 +0.77 1.4
CDF_2001_I564673 1800 1.3* -0.20 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] 3.3 +1.0 4.3*
ATLAS_2017_I1509919 13000 3.8 -0.100 3.7
CDF_2001_I564673 1800 2.8* -0.50 2.3*
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 - 5.3*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.1 -0.10 1.0
CDF_2015_I1388868 [300..1960] n/a - 2.1*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 2.0 +0.10 2.1
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 4.1*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 7.8 -0.60 7.2
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 8.2*
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1 -0.27 0.83*
ATLAS_2017_I1509919 13000 1.3 -0.10 1.2
CDF_2001_I564673 1800 1.7* -0.86 0.84*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 1.2 -0.62 0.58
CMS_2011_I916908 [900..7000] 65* -6.0 59*
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 13 0 13
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.6 -0.10 2.5*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 5.5 -1.7 3.8*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 2.3* -0.30 2.0*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 16 -5.0 11
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 25* +39 64*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 16* -1.0 15*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 3.5 -1.5 2.0
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.8 +0.20 2.0*
ATLAS_2017_I1509919 13000 1.5 +0.80 2.3
CDF_2001_I564673 1800 3.4* +0.30 3.7*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 6.2 +0.90 7.1*
ATLAS_2017_I1509919 13000 8.0 -0.30 7.7
CDF_2001_I564673 1800 6.8* -0.40 6.4*
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 7.9* +1.1 9.0*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] n/a - 11*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 2.1 +0.20 2.3
CDF_2015_I1388868 [300..1960] n/a - 6.9*
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 6.4 0 6.4
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 9.5*
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 11 -1.3 9.7
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - 13*
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.70 -0.21 0.49*
ATLAS_2017_I1509919 13000 0.82 +0.060 0.88
CDF_2001_I564673 1800 0.17* +0.020 0.19*
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.