Generator

Details for Pythia 8.301 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 - 0.87
ALICE_2022_I1868463 13000 5.5 -1.2 4.3
LHCB_2013_I1218996 7000 4.0 -0.50 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 1.9 - n/a
LHCB_2013_I1218996 7000 4.4 +0.50 4.9
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 0.61 +0.010 0.62
LHCB_2013_I1218996 7000 3.3* -0.100 3.2*
Identified Particles : σ
 Ds+
 ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
 Ds+/D0 vs pT
 ALICE_2017_I1511870 7000 0.46 +0.94 1.4
Identified Particles : Ratios
 Ds+/D+ vs pT
 ALICE_2017_I1511870 7000 0.75 +0.45 1.2
Identified Particles : pT
 D*+
 ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 6.4 +2.5 8.9
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 9.6 +0.40 10.0
Identified Particles : pT
 K0S
 ALICE_2011_I881474 900 9.5 +0.50 10
ALICE_2020_I1797443 13000 2.6 +0.40 3.0
LHCB_2010_I865584 900 3.2 +0.100 3.3
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
 K-/K+ vs |y|
 LHCB_2012_I1119400 [900..7000] 1.4 -0.51 0.89
Identified Particles : Ratios
 (K-+K+)/(π-+π+) vs pT
 ALICE_2015_I1357424 7000 8.3 +0.90 9.2
ALICE_2020_I1797443 13000 4.5 +0.20 4.7
Identified Particles : Ratios
 (K-+K+)/(π-+π+) vs |y|
 LHCB_2012_I1119400 [900..7000] 11 +1.0 12
Identified Particles : pT
 K-
 ALICE_2011_I885104 900 3.4 -0.40 3.0
STAR_2006_I722757 200 17 +1.0 18
STAR_2008_I793126 200 2.9 -0.70 2.2
Identified Particles : pT
 K+
 ALICE_2011_I885104 900 3.8 0 3.8
STAR_2006_I722757 200 14 -1.0 13
STAR_2008_I793126 200 4.4 -1.8 2.6
Identified Particles : pT
 K+ + K-
 ALICE_2015_I1357424 7000 2.9 +0.60 3.5
ALICE_2020_I1797443 13000 3.1 -0.30 2.8
Kst0Kst0b2pippim_pt
 ALICE_2020_I1797443 13000 6.0 -0.100 5.9
Kst0Kst0b_pt
 ALICE_2020_I1797443 13000 4.3 -0.20 4.1
Identified Particles : Ratios
 Λ/K0S vs pT
 ALICE_2011_I881474 900 61 -4.0 57
ALICE_2020_I1797443 13000 22 0 22
LLbar_pt
 ALICE_2020_I1797443 13000 38 0 38
Identified Particles : pT
 Λ
 ALICE_2011_I881474 900 34 0 34
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
 Λc+
 ALICE_2022_I1868463 13000 9.9* +5.1 15
LHCB_2013_I1218996 7000 130 +30 160
Identified Particles : Ratios
 Λc+/D0 vs pT
 ALICE_2022_I1868463 13000 n/a - 32
Identified Particles : Ratios
 Λc+ from Σc0,+,++/Λc+ vs pT
 ALICE_2022_I1868463 13000 4.0 -0.40 3.6
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] 9.3 -0.40 8.9
Identified Particles : Ratios
 Λbar/K0S vs |Δy|
 LHCB_2011_I917009 [900..7000] 10 -0.40 9.6
Identified Particles : Ratios
 Λbar/Λ vs pT
 LHCB_2011_I917009 [900..7000] 1.6 -0.50 1.1
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
 Λbar/Λ vs |y|
 LHCB_2011_I917009 [900..7000] 2.7 -0.50 2.2
Identified Particles : Ratios
 Λbar/Λ vs |Δy|
 LHCB_2011_I917009 [900..7000] 3.6 -0.70 2.9
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 9.0 +3.0 12
Identified Particles : pT
 Σbar(1385)+
 ALICE_2014_I1300380 7000 10 -0.60 9.4
Identified Particles : pT
 Σ(1385)-
 ALICE_2014_I1300380 7000 n/a - 13
Identified Particles : pT
 Σ(1385)+
 ALICE_2014_I1300380 7000 12 -2.0 10
Identified Particles : pT
 Σc0,+,++
 ALICE_2022_I1868463 13000 8.6 -0.80 7.8
Identified Particles : Ratios
 Σc0,+,++/D0 vs pT
 ALICE_2022_I1868463 13000 16 -1.0 15
Identified Particles : pT
 Ξ(1530)
 ALICE_2014_I1300380 7000 n/a - 25
Xi2phi_pt
 ALICE_2020_I1797443 13000 6.2 +0.60 6.8
Identified Particles : pT
 Ξ
 ALICE_2011_I881474 900 8.0 +1.0 9.0
ALICE_2020_I1797443 13000 52 +2.0 54
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 0.23 -0.11 0.12
<pT> vs Nch
 ALICE_2010_I860416 900 0.60* -0.070 0.53*
ATLAS_2010_I849050 900 0.82 +0.070 0.89
CDF_2002_I567774 [630..1800] 2.3 +0.10 2.4
CDF_2009_I817466 1960 n/a - 1.5
CMS_2013_I1261026 7000 0.49 +0.14 0.63
UA1_1990_I280412 [63..900] 2.3* +0.10 2.4*
Identified Particles : σ
 ccbar
 ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
 LHCB_2013_I1208105 7000 6.0 -0.40 5.6
Forward energy flow ratio
 CMS_2013_I1218372 [900..7000] 1.1 0 1.1
EM energy spectrum
 CMS_2017_I1511284 13000 4.6 0 4.6
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] 0.19 +0.020 0.21
ATLAS_2010_I849050 900 0.26 -0.020 0.24
CDF_1990_I283352 [630..1800] 2.7 +0.100 2.8
CMS_2015_I1384119 13000 0.46 -0.020 0.44
TOTEM_2012_I1115294 7000 0.13 0 0.13
UA5_1982_I176647 53 12 +1.0 13
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 4.3 +0.20 4.5
Identified Particles : pT
 η
 ALICE_2012_I1116147 7000 1.2 0 1.2
FB Correlations
 b(Nch) vs Δη
 UA5_1988_I263399 [200..900] 22 +2.0 24
FB Correlations
 b(Nch) vs ηC
 UA5_1988_I263399 [200..900] 31 +3.0 34
Jet pT
 CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 16* -5.0 11*
Jet Shapes
 Differential Jet Shape
 CMS_2013_I1261026 7000 1.6 +0.40 2.0
Diffraction
 ξ
 ATLAS_2019_I1762584 8000 71 +1.0 72
n.E
 LHCF_2020_I1783943 13000 98 +12 110
n.avgk
 LHCF_2020_I1783943 13000 5.9 -0.10 5.8
n.eflow
 LHCF_2020_I1783943 13000 37 0 37
n.k
 LHCF_2020_I1783943 13000 50 -5.0 45
Multiplicity Distributions
 ALICE_2010_I852264 7000 2.2 -0.40 1.8
ALICE_2010_I852450 [900..2360] 2.9 +0.30 3.2
ATLAS_2010_I849050 900 0.48 -0.080 0.40
CDF_2002_I567774 [630..1800] 13 +2.0 15*
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 27 +1.0 28
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 1.4 -1.3 0.15*
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 200 110 0 110
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] 1.9 -0.40 1.5
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 25 +14 39
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 4.9 +0.20 5.1
Identified Particles : Ratios
 (pbar+p)/(π-+π+) vs |y|
 LHCB_2012_I1119400 [900..7000] 6.1 +1.0 7.1
phi2pippim_pt
 ALICE_2020_I1797443 13000 24 0 24
Identified Particles : pT
 φ
 ALICE_2011_I881474 900 2.6 +0.60 3.2
ALICE_2020_I1797443 13000 12 +1.0 13
ATLAS_2014_I1282441 7000 2.3 0 2.3
LHCB_2011_I919315 7000 6.0 +0.100 6.1
Identified Particles : Y
 φ
 ATLAS_2014_I1282441 7000 1.5 +0.20 1.7
LHCB_2011_I919315 7000 4.6 +0.40 5.0
Identified Particles : pT
 π0
 ALICE_2012_I1116147 [900..7000] 2.0* +0.50 2.5*
LHCF_2012_I1115479 7000 3.7 -0.50 3.2
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] 0.22 +0.080 0.30
Identified Particles : pT
 π-
 ALICE_2011_I885104 900 3.1 -0.30 2.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 5.2 +1.3 6.5
Identified Particles : pT
 π+
 ALICE_2011_I885104 900 3.1 -0.10 3.0
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 5.7 +0.70 6.4
Identified Particles : pT
 π+ + π-
 ALICE_2015_I1357424 7000 6.5 -0.100 6.4
ALICE_2020_I1797443 13000 10 0 10
Identified Particles : pT
 pbar
 ALICE_2011_I885104 900 5.4 -0.20 5.2
Identified Particles : pT
 p
 ALICE_2011_I885104 900 6.1 -0.80 5.3
Identified Particles : pT
 p + pbar
 ALICE_2015_I1357424 7000 3.5 +0.40 3.9
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
 ALICE_2010_I860416 900 5.7 -0.80 4.9
ATLAS_2010_I849050 900 7.0 +0.40 7.4
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 14* +2.0 16*
<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 74 +1.0 75
Diffraction
 |t|
 ATLAS_2019_I1762584 8000 65 +1.0 66
sqrts.xsec
 ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
 ATLAS_2012_I1183818 7000 7.9 -0.50 7.4
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 45 +1.0 46
Σ(ET) vs Nch
 UA1_1990_I280412 [200..900] 20 +1.0 21
Diffractive ξ
 CMS_2012_I1184941 7000 n/a - n/a
Cross sections
 ATLAS_2011_I894867 7000 2.6 +0.10 2.7
CMS_2012_I1193338 7000 1.6 +0.20 1.8

* 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.