Generator

Details for Pythia 8.303 default-CD vs. default-DL

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (default-CD) Δ χ2+5% (default-DL)
Identified Particles : pT
 D0
 ALICE_2017_I1511870 7000 n/a - 1.3
ALICE_2022_I1868463 13000 4.5 +1.3 5.8
LHCB_2013_I1218996 7000 3.6 -0.50 3.1
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 - n/a
LHCB_2013_I1218996 7000 5.9 -1.1 4.8
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 0.87 -0.38 0.49
LHCB_2013_I1218996 7000 3.4 -1.5 1.9*
Identified Particles : σ
 Ds+
 ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
 Ds+/D0 vs pT
 ALICE_2017_I1511870 7000 0.73 +0.27 1.0
Identified Particles : Ratios
 Ds+/D+ vs pT
 ALICE_2017_I1511870 7000 1.3 +1.1 2.4
Identified Particles : pT
 D*+
 ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 7.8 -1.5 6.3
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 - n/a
K0S2pippim_pt
 ALICE_2020_I1797443 13000 9.8 0 9.8
Identified Particles : pT
 K0S
 ALICE_2011_I881474 900 9.6 -0.90 8.7
ALICE_2020_I1797443 13000 3.0 -0.10 2.9
LHCB_2010_I865584 900 3.2 -0.20 3.0
STAR_2006_I722757 200 12 - n/a
Identified Particles : Ratios
 K-/K+ vs |y|
 LHCB_2012_I1119400 [900..7000] 0.95 +0.15 1.1
Identified Particles : Ratios
 (K-+K+)/(π-+π+) vs pT
 ALICE_2015_I1357424 7000 9.0 +0.50 9.5
ALICE_2020_I1797443 13000 4.9 - n/a
Identified Particles : Ratios
 (K-+K+)/(π-+π+) vs |y|
 LHCB_2012_I1119400 [900..7000] 12 +1.0 13
Identified Particles : pT
 K-
 ALICE_2011_I885104 900 3.4 -0.10 3.3
STAR_2006_I722757 200 18 -2.0 16
STAR_2008_I793126 200 3.4 -0.80 2.6
Identified Particles : pT
 K+
 ALICE_2011_I885104 900 4.2 -0.70 3.5
STAR_2006_I722757 200 14 +1.0 15
STAR_2008_I793126 200 3.5 -0.70 2.8
Identified Particles : pT
 K+ + K-
 ALICE_2015_I1357424 7000 3.0 +0.10 3.1
ALICE_2020_I1797443 13000 2.8 - n/a
Kst0Kst0b2pippim_pt
 ALICE_2020_I1797443 13000 6.3 -0.30 6.0
Kst0Kst0b_pt
 ALICE_2020_I1797443 13000 4.1 -0.20 3.9
Identified Particles : Ratios
 Λ/K0S vs pT
 ALICE_2011_I881474 900 59 +11 70
ALICE_2020_I1797443 13000 22 -1.0 21
LLbar_pt
 ALICE_2020_I1797443 13000 37 -1.0 36
Identified Particles : pT
 Λ
 ALICE_2011_I881474 900 31 +1.0 32
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
 Λc+
 ALICE_2022_I1868463 13000 22* -8.0 14
LHCB_2013_I1218996 7000 130 -20 110
Identified Particles : Ratios
 Λc+/D0 vs pT
 ALICE_2022_I1868463 13000 34 -4.0 30
Identified Particles : Ratios
 Λc+ from Σc0,+,++/Λc+ vs pT
 ALICE_2022_I1868463 13000 n/a - 7.3
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] 9.2 +0.10 9.3
Identified Particles : Ratios
 Λbar/K0S vs |Δy|
 LHCB_2011_I917009 [900..7000] 9.9 +0.100 10
Identified Particles : Ratios
 Λbar/Λ vs pT
 LHCB_2011_I917009 [900..7000] 1.7 -0.100 1.6
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
 Λbar/Λ vs |y|
 LHCB_2011_I917009 [900..7000] 2.7 -0.40 2.3
Identified Particles : Ratios
 Λbar/Λ vs |Δy|
 LHCB_2011_I917009 [900..7000] 3.5 -0.40 3.1
Identified Particles : pT
 Λbar
 ALICE_2011_I881474 900 23 -1.0 22
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
 ALICE_2020_I1797443 13000 30 -7.0 23
Omegapm_pt
 ALICE_2020_I1797443 13000 73 -16 57
Identified Particles : pT
 Σbar(1385)-
 ALICE_2014_I1300380 7000 9.6 +2.4 12
Identified Particles : pT
 Σbar(1385)+
 ALICE_2014_I1300380 7000 9.0 +0.70 9.7
Identified Particles : pT
 Σ(1385)-
 ALICE_2014_I1300380 7000 12 0 12
Identified Particles : pT
 Σ(1385)+
 ALICE_2014_I1300380 7000 12 0 12
Identified Particles : pT
 Σc0,+,++
 ALICE_2022_I1868463 13000 n/a - 9.2
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 5.7 +2.3 8.0
Identified Particles : pT
 Ξ
 ALICE_2011_I881474 900 9.3 +0.40 9.7
ALICE_2020_I1797443 13000 47 +9.0 56
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 0.21 +0.090 0.30
<pT> vs Nch
 ALICE_2010_I860416 900 0.49* +0.060 0.55*
ATLAS_2010_I849050 900 0.86 +0.010 0.87
CDF_2002_I567774 [630..1800] 2.5 -0.10 2.4
CDF_2009_I817466 1960 1.6 -0.20 1.4
CMS_2013_I1261026 7000 0.50 +0.090 0.59
UA1_1990_I280412 [63..900] 2.4* 0 2.4*
Identified Particles : σ
 ccbar
 ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
 LHCB_2013_I1208105 7000 5.6 -0.100 5.5
Forward energy flow ratio
 CMS_2013_I1218372 [900..7000] 1.0 0 1.0
EM energy spectrum
 CMS_2017_I1511284 13000 4.4 -0.10 4.3
Hadronic energy spectrum
 CMS_2017_I1511284 13000 34 0 34
Total energy spectrum
 CMS_2017_I1511284 13000 18 0 18
η Distributions
 ALICE_2010_I852264 [900..7000] 0.22 +0.010 0.23
ATLAS_2010_I849050 900 0.27 -0.020 0.25
CDF_1990_I283352 [630..1800] 2.7 0 2.7
CMS_2015_I1384119 13000 0.41 -0.020 0.39
TOTEM_2012_I1115294 7000 0.13 +0.050 0.18
UA5_1982_I176647 53 13 -1.0 12
UA5_1986_I233599 [200..900] 3.1 -0.10 3.0
Identified Particles : Ratios
 η/π0 vs pT
 ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
 ATLAS_2012_I1084540 7000 4.6 -0.50 4.1
Identified Particles : pT
 η
 ALICE_2012_I1116147 7000 1.5 -0.10 1.4
FB Correlations
 b(Nch) vs Δη
 UA5_1988_I263399 [200..900] 23 0 23
FB Correlations
 b(Nch) vs ηC
 UA5_1988_I263399 [200..900] 33 -1.0 32
Jet pT
 CMS_2013_I1261026 7000 n/a - 1.1*
STAR_2006_I723509 200 13* - n/a
Jet Shapes
 Differential Jet Shape
 CMS_2013_I1261026 7000 1.5 -0.10 1.4
Diffraction
 ξ
 ATLAS_2019_I1762584 8000 73 0 73
n.E
 LHCF_2020_I1783943 13000 100 +10 110
n.avgk
 LHCF_2020_I1783943 13000 6.0 +0.100 6.1
n.eflow
 LHCF_2020_I1783943 13000 39 -2.0 37
n.k
 LHCF_2020_I1783943 13000 51 0 51
Multiplicity Distributions
 ALICE_2010_I852264 7000 1.9 0 1.9
ALICE_2010_I852450 [900..2360] 3.1 -0.10 3.0
ATLAS_2010_I849050 900 0.58 -0.20 0.38
CDF_2002_I567774 [630..1800] 15 -1.0 14*
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 26 +1.0 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 1.1* -0.66 0.44*
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 200 140 -40 100
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] 1.4 -0.20 1.2
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 30 -3.0 27
Identified Particles : Ratios
 (pbar+p)/(K-+K+) vs |y|
 LHCB_2012_I1119400 [900..7000] 1.6 +0.30 1.9
Identified Particles : Ratios
 (pbar+p)/(π-+π+) vs pT
 ALICE_2015_I1357424 7000 5.8 -0.80 5.0
Identified Particles : Ratios
 (pbar+p)/(π-+π+) vs |y|
 LHCB_2012_I1119400 [900..7000] 6.3 -0.20 6.1
phi2pippim_pt
 ALICE_2020_I1797443 13000 24 -2.0 22
Identified Particles : pT
 φ
 ALICE_2011_I881474 900 3.3 +0.50 3.8
ALICE_2020_I1797443 13000 13 -2.0 11
ATLAS_2014_I1282441 7000 2.1 +0.40 2.5
LHCB_2011_I919315 7000 6.6 +0.10 6.7
Identified Particles : Y
 φ
 ATLAS_2014_I1282441 7000 1.4 +0.30 1.7
LHCB_2011_I919315 7000 4.9 +0.50 5.4
Identified Particles : pT
 π0
 ALICE_2012_I1116147 [900..7000] 1.7* +0.40 2.1
LHCF_2012_I1115479 7000 3.5 -0.20 3.3
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] 0.31 -0.080 0.23
Identified Particles : pT
 π-
 ALICE_2011_I885104 900 2.9 -0.10 2.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 6.2 -0.10 6.1
Identified Particles : pT
 π+
 ALICE_2011_I885104 900 3.0 0 3.0
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 6.2 +1.1 7.3
Identified Particles : pT
 π+ + π-
 ALICE_2015_I1357424 7000 6.7 -0.40 6.3
ALICE_2020_I1797443 13000 11 0 11
Identified Particles : pT
 pbar
 ALICE_2011_I885104 900 4.8 0 4.8
Identified Particles : pT
 p
 ALICE_2011_I885104 900 5.1 -0.50 4.6
Identified Particles : pT
 p + pbar
 ALICE_2015_I1357424 7000 3.2 +0.20 3.4
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
 ALICE_2010_I860416 900 n/a - 5.8
ATLAS_2010_I849050 900 6.7 - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 14* +3.0 17*
<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 81 0 81
Diffraction
 |t|
 ATLAS_2019_I1762584 8000 68 0 68
sqrts.xsec
 ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
 ATLAS_2012_I1183818 7000 7.7 0 7.7
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 44 +1.0 45
Σ(ET) vs Nch
 UA1_1990_I280412 [200..900] 22 -1.0 21
Diffractive ξ
 CMS_2012_I1184941 7000 n/a - n/a
Cross sections
 ATLAS_2011_I894867 7000 2.7 0 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.