Generator / tune

Details for Pythia 8.315 tune-A2m

pp/ppbar → Underlying Event


Observable Reference Energy χ2+5%
Away
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.21
ATLAS_2017_I1509919 13000 0.15
Transverse
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.32
ATLAS_2017_I1509919 13000 0.22
TransMAX
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.25
TransMIN
<pT> vs Nch
ATLAS_2017_I1509919 13000 0.21
Toward
<pT> vs Nch
ATLAS_2010_I879407 [900..7000] 0.19
ATLAS_2017_I1509919 13000 0.12
Away
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.27*
ATLAS_2017_I1509919 13000 0.11
Transverse
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.1*
ATLAS_2017_I1509919 13000 0.66
CDF_2010_I849042 1960 n/a
TransMAX
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.65
TransMIN
<pT> vs pTlead
ATLAS_2017_I1509919 13000 0.69
Toward
<pT> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.78*
ATLAS_2017_I1509919 13000 0.14
Transverse
Strange <N> vs pTlead
CMS_2012_PAS_QCD_11_010 7000 n/a
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a
Transverse
Nch
CMS_2011_I916908 [900..7000] 3.4*
Δφ distributions
<Nch> vs Δφ
ATLAS_2010_I879407 [900..7000] 1.3
ATLAS_2017_I1509919 13000 n/a
CDF_2001_I564673 1800 17
Transverse
<Nch> vs ηlead
ATLAS_2010_I879407 7000 1.9
Away
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.84*
ATLAS_2017_I1509919 13000 0.26
CDF_2001_I564673 1800 3.2*
CDF_2010_I849042 1960 n/a
STAR_2009_UE_HELEN 200 n/a
Transverse
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 0.63*
ATLAS_2017_I1509919 13000 1.5
CDF_2001_I564673 1800 4.1*
CDF_2010_I849042 1960 n/a
CMS_2011_I916908 [900..7000] 1.3*
CMS_2015_I1385107 2760 n/a
TransAVE
<Nch> vs pTlead
CDF_2015_I1388868 [300..1960] 0.93*
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a
TransDIF
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 2.2
CDF_2015_I1388868 [300..1960] 0.72*
CMS_2015_I1385107 2760 n/a
TransMAX
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 0.60
CDF_2010_I849042 1960 n/a
CDF_2015_I1388868 [300..1960] 0.82*
CMS_2015_I1385107 2760 n/a
TransMIN
<Nch> vs pTlead
ATLAS_2017_I1509919 13000 4.3
CDF_2010_I849042 1960 n/a
CDF_2015_I1388868 [300..1960] 1.2*
CMS_2015_I1385107 2760 n/a
Toward
<Nch> vs pTlead
ATLAS_2010_I879407 [900..7000] 1.6*
ATLAS_2017_I1509919 13000 0.58
CDF_2001_I564673 1800 5.5*
CDF_2010_I849042 1960 n/a
pTlead
ATLAS_2017_I1509919 13000 4.3
CMS_2011_I916908 [900..7000] 30*
Transverse
pT spectrum
CDF_2001_I564673 1800 11*
Δφ distributions
<pT> vs Δφ
ATLAS_2010_I879407 [900..7000] 2.8
Transverse
σ(Nch) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.99*
Transverse
σ(Σ(pT)) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.69*
Transverse
Σ(ET)
ATLAS_2012_I1183818 7000 1.2*
Transverse
Σ(ET) vs η
ATLAS_2012_I1183818 7000 1.4
Transverse
Scalar Σ(pT)
CMS_2011_I916908 [900..7000] 5.9*
Δφ distributions
Σ(pT) vs Δφ
ATLAS_2017_I1509919 13000 n/a
CDF_2001_I564673 1800 6.9
Transverse
Σ(pT) vs ηlead
ATLAS_2010_I879407 7000 2.2
Away
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.78*
ATLAS_2017_I1509919 13000 0.18
CDF_2001_I564673 1800 1.2*
CDF_2010_I849042 1960 n/a
Transverse
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 0.76*
ATLAS_2017_I1509919 13000 2.9
CDF_2001_I564673 1800 2.2*
CDF_2010_I849042 1960 n/a
CMS_2011_I916908 [900..7000] 2.5*
CMS_2015_I1385107 2760 n/a
Transverse
Strange Σ(pT) vs pTlead
CMS_2012_PAS_QCD_11_010 7000 n/a
TransAVE
Σ(pT) vs pTlead
CDF_2015_I1388868 [300..1960] 2.4*
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a
TransDIF
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 0.60
CDF_2015_I1388868 [300..1960] 1.9*
CMS_2015_I1385107 2760 n/a
TransMAX
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 2.1
CDF_2010_I849042 1960 n/a
CDF_2015_I1388868 [300..1960] 2.2*
CMS_2015_I1385107 2760 n/a
TransMIN
Σ(pT) vs pTlead
ATLAS_2017_I1509919 13000 4.5
CDF_2010_I849042 1960 n/a
CDF_2015_I1388868 [300..1960] 2.4*
CMS_2015_I1385107 2760 n/a
Toward
Σ(pT) vs pTlead
ATLAS_2010_I879407 [900..7000] 1.2*
ATLAS_2017_I1509919 13000 0.33
CDF_2001_I564673 1800 0.16*
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.