Generator

Details for Pythia 8.306 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 6.6 -1.4 5.2
LHCB_2013_I1218996 7000 3.7 -0.20 3.5
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 - 1.5
LHCB_2013_I1218996 7000 6.4 -0.40 6.0
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 - 0.44
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.74 -0.66 0.081
LHCB_2013_I1218996 7000 3.3 +1.1 4.4
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.081 -0.058 0.023
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.21 +0.37 0.58
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 1.0 -0.17 0.83
LHCB_2013_I1218996 7000 8.7 -1.4 7.3
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 - 0.95
K0S2pippim_pt
ALICE_2020_I1797443 13000 9.9 +0.100 10
Identified Particles : pT
K0S
ALICE_2011_I881474 900 9.0 -1.1 7.9
ALICE_2020_I1797443 13000 2.7 +0.20 2.9
LHCB_2010_I865584 900 3.1 -0.10 3.0
STAR_2006_I722757 200 n/a - 9.1
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.2 +0.10 1.3
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 9.4 +0.60 10
ALICE_2020_I1797443 13000 n/a - 4.8
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 12 0 12
Identified Particles : pT
K-
ALICE_2011_I885104 900 3.1 -0.20 2.9
STAR_2006_I722757 200 16 +5.0 21
STAR_2008_I793126 200 2.7 +0.30 3.0
Identified Particles : pT
K+
ALICE_2011_I885104 900 3.4 +0.50 3.9
STAR_2006_I722757 200 12 +2.0 14
STAR_2008_I793126 200 4.0 -1.6 2.4
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.4 -0.20 3.2
ALICE_2020_I1797443 13000 n/a - 2.9
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 6.0 +0.40 6.4
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 4.2 -0.10 4.1
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 67 -3.0 64
ALICE_2020_I1797443 13000 25 -2.0 23
LLbar_pt
ALICE_2020_I1797443 13000 41 -2.0 39
Identified Particles : pT
Λ
ALICE_2011_I881474 900 31 0 31
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 18 -3.0 15
LHCB_2013_I1218996 7000 150 -40 110
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 36 -7.0 29
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 6.8 -0.90 5.9
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 12 -1.0 11
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 9.7 -0.80 8.9
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 10 -0.30 9.7
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.7 +0.10 1.8
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.4 +0.10 2.5
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 3.0 +0.10 3.1
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 21 -1.0 20
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 36 +12 48
Omegapm_pt
ALICE_2020_I1797443 13000 86 +24 110
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 13 -5.6 7.4
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 7.9 +2.1 10
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 13 0 13
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 11 0 11
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 12 -2.0 10
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 17 -2.0 15
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - 24
Xi2phi_pt
ALICE_2020_I1797443 13000 8.6 -0.80 7.8
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 8.9 +0.20 9.1
ALICE_2020_I1797443 13000 68 +1.0 69
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 0.36 +0.54 0.90
<pT> vs Nch
ALICE_2010_I860416 900 0.55* -0.090 0.46*
ATLAS_2010_I849050 900 0.82 -0.020 0.80
CDF_2002_I567774 [630..1800] 2.5 -0.20 2.3
CDF_2009_I817466 1960 n/a - 1.5
CMS_2013_I1261026 7000 0.53 +0.32 0.85
UA1_1990_I280412 [63..900] 2.4* +0.20 2.6*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 5.7 -0.10 5.6
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.96 +0.14 1.1
EM energy spectrum
CMS_2017_I1511284 13000 5.2 +0.100 5.3
Hadronic energy spectrum
CMS_2017_I1511284 13000 39 -3.0 36
Total energy spectrum
CMS_2017_I1511284 13000 20 -2.0 18
η Distributions
ALICE_2010_I852264 [900..7000] 0.15 -0.0100 0.14
ATLAS_2010_I849050 900 0.37 +0.070 0.44
CDF_1990_I283352 [630..1800] 2.8 +0.10 2.9
CMS_2015_I1384119 13000 0.50 -0.070 0.43
TOTEM_2012_I1115294 7000 0.12 +0.040 0.16
UA5_1982_I176647 53 13 0 13
UA5_1986_I233599 [200..900] 3.2 0 3.2
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 4.3 +0.50 4.8
Identified Particles : pT
η
ALICE_2012_I1116147 7000 1.3 +0.100 1.4
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 24 -1.0 23
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 34 -1.0 33
Jet pT
CMS_2013_I1261026 7000 n/a - 0.58*
STAR_2006_I723509 200 14* -4.7 9.3*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 1.6 0 1.6
Diffraction
ξ
ATLAS_2019_I1762584 8000 73 -1.0 72
n.E
LHCF_2020_I1783943 13000 150 -20 130
n.avgk
LHCF_2020_I1783943 13000 6.1 +0.10 6.2
n.eflow
LHCF_2020_I1783943 13000 39 -2.0 37
n.k
LHCF_2020_I1783943 13000 56 -1.0 55
Multiplicity Distributions
ALICE_2010_I852264 7000 2.0 0 2.0
ALICE_2010_I852450 [900..2360] 2.7 +0.20 2.9
ATLAS_2010_I849050 900 0.72 -0.010 0.71
CDF_2002_I567774 [630..1800] 16 0 16*
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 0.81 -0.41 0.40*
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 97 -1.0 96
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] 1.6 -0.30 1.3
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 24 +5.0 29
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 1.8 +0.100 1.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 5.7 -0.50 5.2
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 6.7 -0.20 6.5
phi2pippim_pt
ALICE_2020_I1797443 13000 25 +1.0 26
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.4 -1.2 2.2
ALICE_2020_I1797443 13000 14 0 14
ATLAS_2014_I1282441 7000 1.5 +0.60 2.1
LHCB_2011_I919315 7000 6.7 -0.30 6.4
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.0 +0.60 1.6
LHCB_2011_I919315 7000 4.9 +0.100 5.0
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 1.8 -0.40 1.4*
LHCF_2012_I1115479 7000 3.2 +0.50 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] 0.23 +0.080 0.31
Identified Particles : pT
π-
ALICE_2011_I885104 900 2.8 +0.30 3.1
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 6.3 +1.2 7.5
Identified Particles : pT
π+
ALICE_2011_I885104 900 3.2 +0.50 3.7
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 5.8 +1.2 7.0
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 6.8 +0.10 6.9
ALICE_2020_I1797443 13000 11 0 11
Identified Particles : pT
pbar
ALICE_2011_I885104 900 4.5 +0.30 4.8
Identified Particles : pT
p
ALICE_2011_I885104 900 4.4 +0.60 5.0
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 3.4 -0.10 3.3
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 4.5 0 4.5
ATLAS_2010_I849050 900 5.7 -0.50 5.2
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 14* -1.0 13*
<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 76 0 76
Diffraction
|t|
ATLAS_2019_I1762584 8000 68 -2.0 66
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 7.3 +0.70 8.0
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 48 -1.0 47
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 21 0 21
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.8 -0.100 2.7
CMS_2012_I1193338 7000 1.7 0 1.7

* 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.