Generator

Details for Pythia 8.301 default vs. default-CD

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (default-CD)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 n/a - n/a
ALICE_2022_I1868463 13000 n/a - 5.5
LHCB_2013_I1218996 7000 4.0 0 4.0
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : σ
D0
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : pT
D+
ALICE_2017_I1511870 7000 n/a - 1.9
LHCB_2013_I1218996 7000 5.5 -1.1 4.4
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.28 +0.33 0.61
LHCB_2013_I1218996 7000 2.5 +0.80 3.3*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.96 -0.50 0.46
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 2.5 -1.8 0.75
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 1.5 - n/a
LHCB_2013_I1218996 7000 6.2 +0.20 6.4
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 0.72 - n/a
K0S2pippim_pt
ALICE_2020_I1797443 13000 n/a - 9.6
Identified Particles : pT
K0S
ALICE_2011_I881474 900 8.7 +0.80 9.5
ALICE_2020_I1797443 13000 n/a - 2.6
LHCB_2010_I865584 900 3.1 +0.10 3.2
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.3 +0.100 1.4
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 10 -1.7 8.3
ALICE_2020_I1797443 13000 n/a - 4.5
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 12 -1.0 11
Identified Particles : pT
K-
ALICE_2011_I885104 900 3.1 +0.30 3.4
STAR_2006_I722757 200 17 0 17
STAR_2008_I793126 200 2.2 +0.70 2.9
Identified Particles : pT
K+
ALICE_2011_I885104 900 3.9 -0.10 3.8
STAR_2006_I722757 200 15 -1.0 14
STAR_2008_I793126 200 4.7 -0.30 4.4
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.8 -0.90 2.9
ALICE_2020_I1797443 13000 n/a - 3.1
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 n/a - 6.0
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 n/a - 4.3
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 67 -6.0 61
ALICE_2020_I1797443 13000 n/a - 22
LLbar_pt
ALICE_2020_I1797443 13000 n/a - 38
Identified Particles : pT
Λ
ALICE_2011_I881474 900 32 +2.0 34
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - 9.9*
LHCB_2013_I1218996 7000 150 -20 130
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 n/a - n/a
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 n/a - 4.0
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 11 +1.0 12
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 9.0 +0.30 9.3
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 9.4 +0.60 10
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 2.1 -0.50 1.6
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.9 -0.20 2.7
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 4.1 -0.50 3.6
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 22 0 22
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Omegapm_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 9.5 -0.50 9.0
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 10 0 10
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 12 - n/a
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 10 +2.0 12
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 n/a - 8.6
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 n/a - 16
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 7.4 -1.2 6.2
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 9.5 -1.5 8.0
ALICE_2020_I1797443 13000 65 -13 52
Identified Particles : pT
Ξ-
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Ξ+/Ξ- vs pT
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Ξ+
STAR_2006_I722757 200 n/a - n/a
<pT>j vs Nch
CMS_2013_I1261026 7000 0.40 -0.17 0.23
<pT> vs Nch
ALICE_2010_I860416 900 0.52* +0.080 0.60*
ATLAS_2010_I849050 900 0.86 -0.040 0.82
CDF_2002_I567774 [630..1800] 2.4 -0.10 2.3
CDF_2009_I817466 1960 1.7 - n/a
CMS_2013_I1261026 7000 0.69 -0.20 0.49
UA1_1990_I280412 [63..900] 2.4* -0.10 2.3*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 5.4 +0.60 6.0
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 1.1 0 1.1
EM energy spectrum
CMS_2017_I1511284 13000 n/a - 4.6
Hadronic energy spectrum
CMS_2017_I1511284 13000 n/a - 34
Total energy spectrum
CMS_2017_I1511284 13000 n/a - 18
η Distributions
ALICE_2010_I852264 [900..7000] 0.21 -0.020 0.19
ATLAS_2010_I849050 900 0.25 +0.010 0.26
CDF_1990_I283352 [630..1800] 2.8 -0.100 2.7
CMS_2015_I1384119 13000 n/a - 0.46
TOTEM_2012_I1115294 7000 0.14 -0.010 0.13
UA5_1982_I176647 53 12 0 12
UA5_1986_I233599 [200..900] 3.1 0 3.1
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 4.1 +0.20 4.3
Identified Particles : pT
η
ALICE_2012_I1116147 7000 1.2 0 1.2
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 23 -1.0 22
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 32 -1.0 31
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 8.6* +7.4 16*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 2.1 -0.50 1.6
Diffraction
ξ
ATLAS_2019_I1762584 8000 72 -1.0 71
n.E
LHCF_2020_I1783943 13000 n/a - 98
n.avgk
LHCF_2020_I1783943 13000 n/a - 5.9
n.eflow
LHCF_2020_I1783943 13000 n/a - 37
n.k
LHCF_2020_I1783943 13000 n/a - 50
Multiplicity Distributions
ALICE_2010_I852264 7000 2.2 0 2.2
ALICE_2010_I852450 [900..2360] 3.1 -0.20 2.9
ATLAS_2010_I849050 900 0.42 +0.060 0.48
CDF_2002_I567774 [630..1800] 15* -2.0 13
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 27 0 27
UA5_1987_I244829 546 n/a - n/a
UA5_1989_I267179 [200..900] n/a - n/a
Jet Multiplicities
Nj vs Nch
CMS_2013_I1261026 7000 0.55* +0.85 1.4
Identified Particles : Ratios
p/π+ vs pT
ALICE_2020_I1797443 13000 n/a - n/a
STAR_2006_I709170 200 n/a - n/a
Identified Particles : pT
p
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 130 -20 110
Identified Particles : Ratios
pbar/p vs pT
STAR_2006_I709170 200 n/a - n/a
Identified Particles : Ratios
pbar/p vs |y|
LHCB_2012_I1119400 [900..7000] 1.7 +0.20 1.9
Identified Particles : Ratios
pbar/π vs pT
STAR_2006_I709170 200 n/a - n/a
Identified Particles : pT
pbar
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 47 -22 25
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 1.8 0 1.8
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 5.5 -0.60 4.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 6.9 -0.80 6.1
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - 24
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.3 -0.70 2.6
ALICE_2020_I1797443 13000 n/a - 12
ATLAS_2014_I1282441 7000 2.2 +0.100 2.3
LHCB_2011_I919315 7000 6.8 -0.80 6.0
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.5 0 1.5
LHCB_2011_I919315 7000 4.7 -0.10 4.6
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 2.0* 0 2.0*
LHCF_2012_I1115479 7000 3.7 0 3.7
Identified Particles : Ratios
π-/π+ vs pT
STAR_2006_I709170 200 n/a - n/a
Identified Particles : Ratios
π-/π+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.19 +0.030 0.22
Identified Particles : pT
π-
ALICE_2011_I885104 900 2.9 +0.20 3.1
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 6.4 -1.2 5.2
Identified Particles : pT
π+
ALICE_2011_I885104 900 3.0 +0.10 3.1
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 6.6 -0.90 5.7
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 6.5 0 6.5
ALICE_2020_I1797443 13000 n/a - 10
Identified Particles : pT
pbar
ALICE_2011_I885104 900 4.8 +0.60 5.4
Identified Particles : pT
p
ALICE_2011_I885104 900 5.7 +0.40 6.1
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 3.6 -0.10 3.5
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 4.5 +1.2 5.7
ATLAS_2010_I849050 900 n/a - 7.0
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 15* -1.0 14*
<pT> vs mass
ALICE_2011_I885104 900 n/a - n/a
ALICE_2014_I1300380 7000 n/a - n/a
STAR_2006_I722757 200 n/a - n/a
Diffraction
Δη
ATLAS_2019_I1762584 8000 75 -1.0 74
Diffraction
|t|
ATLAS_2019_I1762584 8000 65 0 65
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 7.8 +0.10 7.9
CDF_2009_I817466 1960 1.9 - n/a
UA1_1990_I280412 [200..900] 46 -1.0 45
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 20 0 20
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.8 -0.20 2.6
CMS_2012_I1193338 7000 1.7 -0.100 1.6

* 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 636 histograms.