Generator / tune

Details for Pythia 8.308 CP1-CR1 vs. 8.313

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.20 +0.63 0.83
ATLAS_2017_I1509919 13000 0.061 +1.9 2.0
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.25 +0.95 1.2
ATLAS_2017_I1509919 13000 0.12 +2.3 2.4
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.14 +2.5 2.6
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.13 +2.5 2.6
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.23 +0.34 0.57
ATLAS_2017_I1509919 13000 0.071 +1.4 1.5
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.48* +0.44 0.92
ATLAS_2017_I1509919 13000 0.54 +2.2 2.7
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.79* +0.61 1.4
ATLAS_2017_I1509919 13000 0.55 +1.7 2.2
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.47 +1.7 2.2
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.33 +1.9 2.2
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1* -0.52 0.58
ATLAS_2017_I1509919 13000 0.41 +1.1 1.5
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 69* -33 36*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 3.5* +13 16*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.4 +1.8 3.2
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.0* +2.6 6.6*
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 0.64 +0.96 1.6
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.89* +0.31 1.2
ATLAS_2017_I1509919 13000 0.65 +4.8 5.4
CDF_2001_I564673 1800 n/a - 4.0*
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] 0.88* +0.42 1.3
ATLAS_2017_I1509919 13000 0.72 +5.6 6.3
CDF_2001_I564673 1800 n/a - 6.5*
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] 0.59* - n/a
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.7 +2.5 7.2
CDF_2015_I1388868 [300..1960] 0.45* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.2 +5.6 6.8
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 0.42* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.63 +4.8 5.4
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.4* - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.5* +0.10 1.6
ATLAS_2017_I1509919 13000 0.65 +4.6 5.2
CDF_2001_I564673 1800 n/a - 3.1*
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 7.7 +3.3 11
CMS_2011_I916908 [900..7000] 5.6* +6.4 12*
Transverse
pT spectrum
CDF_2001_I564673 1800 2.7* - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.2 +1.2 3.4
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.92* +2.3 3.2
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.71* +0.79 1.5
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.2* +0.20 1.4*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 3.2 -0.10 3.1
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 1.6* +3.0 4.6*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 4.9* -0.30 4.6*
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 0.86 +0.44 1.3
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.64* +0.050 0.69
ATLAS_2017_I1509919 13000 0.58 +0.72 1.3
CDF_2001_I564673 1800 n/a - 0.74*
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.73* +0.030 0.76
ATLAS_2017_I1509919 13000 0.54 +1.4 1.9
CDF_2001_I564673 1800 n/a - 2.9*
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 77* -29 48*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 1.4* - n/a
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 1.0 -0.43 0.57
CDF_2015_I1388868 [300..1960] 0.84* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.57 +0.93 1.5
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 1.1* - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.70 +2.0 2.7
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] 3.1* - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.88* -0.14 0.74
ATLAS_2017_I1509919 13000 0.53 +0.87 1.4
CDF_2001_I564673 1800 n/a - 0.28*
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.