Generator / tune

Details for Pythia 6.427 359 vs. 6.428

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.28* -0.010 0.27*
ATLAS_2017_I1509919 13000 0.36 - n/a
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.17* +0.080 0.25*
ATLAS_2017_I1509919 13000 0.32 - n/a
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.28 - n/a
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.25 - n/a
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.29* 0 0.29*
ATLAS_2017_I1509919 13000 0.65 - n/a
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.32* +0.36 0.68*
ATLAS_2017_I1509919 13000 0.74 - n/a
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.62* -0.21 0.41*
ATLAS_2017_I1509919 13000 0.32 - n/a
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.38 - n/a
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.27 - n/a
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.41* -0.020 0.39*
ATLAS_2017_I1509919 13000 0.40 - n/a
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 63 -47 16*
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] n/a - 6.2*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 0.97* -0.26 0.71*
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 3.9 -1.2 2.7
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 2.5* -0.30 2.2*
ATLAS_2017_I1509919 13000 2.5 - n/a
CDF_2001_I564673 1800 n/a - n/a
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] 3.6* -1.0 2.6*
ATLAS_2017_I1509919 13000 2.7 - n/a
CDF_2001_I564673 1800 n/a - n/a
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 - n/a
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.1 - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 1.4 - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 6.5 - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 2.8* -0.40 2.4*
ATLAS_2017_I1509919 13000 3.4 - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
pTlead
ATLAS_2017_I1509919 13000 5.5 - n/a
CMS_2011_I916908 [900..7000] n/a - n/a
Transverse
pT spectrum
CDF_2001_I564673 1800 n/a - n/a
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.2* -0.43 0.77*
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.9* -1.3 1.6*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 3.0* -1.4 1.6*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.7* -0.20 1.5*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 7.9 +12 20
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 8.2* -1.6 6.6*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a - n/a
CDF_2001_I564673 1800 n/a - n/a
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 3.0 -1.6 1.4
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1* +0.100 1.2*
ATLAS_2017_I1509919 13000 2.7 - n/a
CDF_2001_I564673 1800 n/a - n/a
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 2.6* -1.3 1.3*
ATLAS_2017_I1509919 13000 3.0 - n/a
CDF_2001_I564673 1800 n/a - n/a
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 58 -40 18*
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] n/a - n/a
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.86 - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 2.3 - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 4.1 - n/a
CDF_2010_I849042 1960 n/a - n/a
CDF_2015_I1388868 [300..1960] n/a - n/a
CMS_2015_I1385107 2760 n/a - n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.73* -0.13 0.60*
ATLAS_2017_I1509919 13000 2.0 - n/a
CDF_2001_I564673 1800 n/a - n/a
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.