Generator / tune

Details for Pythia 8.313 tune-2m 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] - 0.95
ATLAS_2017_I1509919 13000 - 2.5
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] - 0.81
ATLAS_2017_I1509919 13000 - 2.1
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 - 2.3
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 - 1.8
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] - 0.99
ATLAS_2017_I1509919 13000 - 2.6
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] - 0.46
ATLAS_2017_I1509919 13000 - 0.94
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] - 0.54
ATLAS_2017_I1509919 13000 - 0.11
CDF_2010_I849042 1960 - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 - 0.11
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 - 0.24
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] - 0.96
ATLAS_2017_I1509919 13000 - 3.8
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 - 110*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] - 30*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] - 4.1
ATLAS_2017_I1509919 13000 - n/a
CDF_2001_I564673 1800 - 12
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 - 6.1
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] - 4.3
ATLAS_2017_I1509919 13000 - 9.8
CDF_2001_I564673 1800 - 5.3*
CDF_2010_I849042 1960 - n/a
STAR_2009_UE_HELEN 200 - n/a
Transverse
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] - 6.2
ATLAS_2017_I1509919 13000 - 25
CDF_2001_I564673 1800 - 6.0*
CDF_2010_I849042 1960 - n/a
CMS_2011_I916908 [900..7000] - 3.1*
CMS_2015_I1385107 2760 - n/a
TransAVE
<Nch> vs pTlead
CDF_2015_I1388868 [300..1960] - 0.96*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 - 0.84
CDF_2015_I1388868 [300..1960] - 0.72*
CMS_2015_I1385107 2760 - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 - 16
CDF_2010_I849042 1960 - n/a
CDF_2015_I1388868 [300..1960] - 0.81*
CMS_2015_I1385107 2760 - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 - 49
CDF_2010_I849042 1960 - n/a
CDF_2015_I1388868 [300..1960] - 1.8*
CMS_2015_I1385107 2760 - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] - 3.4
ATLAS_2017_I1509919 13000 - 6.2
CDF_2001_I564673 1800 - 5.3*
CDF_2010_I849042 1960 - n/a
pTlead
ATLAS_2017_I1509919 13000 - 11
CMS_2011_I916908 [900..7000] - 1.2*
Transverse
pT spectrum
CDF_2001_I564673 1800 - 6.7*
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] - 3.8
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] - 3.3
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] - 3.8
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 - 3.7*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 - 12
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] - 30*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 - n/a
CDF_2001_I564673 1800 - 4.4
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 - 3.4
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] - 3.5
ATLAS_2017_I1509919 13000 - 5.8
CDF_2001_I564673 1800 - 4.3*
CDF_2010_I849042 1960 - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] - 5.4
ATLAS_2017_I1509919 13000 - 21
CDF_2001_I564673 1800 - 6.2*
CDF_2010_I849042 1960 - n/a
CMS_2011_I916908 [900..7000] - 2.8*
CMS_2015_I1385107 2760 - n/a
Transverse
Strange Σ(pT) vs pTlead
CMS_2012_PAS_QCD_11_010 7000 - 100*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] - 1.2*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 - 3.1
CDF_2015_I1388868 [300..1960] - 0.85*
CMS_2015_I1385107 2760 - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 - 15
CDF_2010_I849042 1960 - n/a
CDF_2015_I1388868 [300..1960] - 1.0*
CMS_2015_I1385107 2760 - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 - 37
CDF_2010_I849042 1960 - n/a
CDF_2015_I1388868 [300..1960] - 2.1*
CMS_2015_I1385107 2760 - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] - 1.6
ATLAS_2017_I1509919 13000 - 1.0
CDF_2001_I564673 1800 - 0.20*
CDF_2010_I849042 1960 - 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 182 histograms.