Generator

Details for Pythia 8.307 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 6.1 +1.5 7.6
LHCB_2013_I1218996 7000 3.8 +1.0 4.8
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 7.0 -1.2 5.8
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 0.27 -0.080 0.19
LHCB_2013_I1218996 7000 3.9 +0.90 4.8
Identified Particles : σ
 Ds+
 ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
 Ds+/D0 vs pT
 ALICE_2017_I1511870 7000 0.48 +0.40 0.88
Identified Particles : Ratios
 Ds+/D+ vs pT
 ALICE_2017_I1511870 7000 1.1 +0.60 1.7
Identified Particles : pT
 D*+
 ALICE_2017_I1511870 7000 1.4 - n/a
LHCB_2013_I1218996 7000 7.6 -0.100 7.5
Identified Particles : σ
 D*+
 ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
 D*+/D0 vs pT
 ALICE_2017_I1511870 7000 1.1 - n/a
K0S2pippim_pt
 ALICE_2020_I1797443 13000 10 0 10
Identified Particles : pT
 K0S
 ALICE_2011_I881474 900 9.2 -0.50 8.7
ALICE_2020_I1797443 13000 3.0 0 3.0
LHCB_2010_I865584 900 3.0 +0.10 3.1
STAR_2006_I722757 200 12 - n/a
Identified Particles : Ratios
 K-/K+ vs |y|
 LHCB_2012_I1119400 [900..7000] 1.2 0 1.2
Identified Particles : Ratios
 (K-+K+)/(π-+π+) vs pT
 ALICE_2015_I1357424 7000 9.4 +0.20 9.6
ALICE_2020_I1797443 13000 4.8 -0.20 4.6
Identified Particles : Ratios
 (K-+K+)/(π-+π+) vs |y|
 LHCB_2012_I1119400 [900..7000] 11 0 11
Identified Particles : pT
 K-
 ALICE_2011_I885104 900 3.1 -0.20 2.9
STAR_2006_I722757 200 20 -3.0 17
STAR_2008_I793126 200 2.2 +0.30 2.5
Identified Particles : pT
 K+
 ALICE_2011_I885104 900 3.8 +0.30 4.1
STAR_2006_I722757 200 13 -1.0 12
STAR_2008_I793126 200 3.1 -1.4 1.7
Identified Particles : pT
 K+ + K-
 ALICE_2015_I1357424 7000 3.3 -0.20 3.1
ALICE_2020_I1797443 13000 2.9 +0.20 3.1
Kst0Kst0b2pippim_pt
 ALICE_2020_I1797443 13000 6.6 -0.20 6.4
Kst0Kst0b_pt
 ALICE_2020_I1797443 13000 4.3 -0.100 4.2
Identified Particles : Ratios
 Λ/K0S vs pT
 ALICE_2011_I881474 900 63 -7.0 56
ALICE_2020_I1797443 13000 24 +1.0 25
LLbar_pt
 ALICE_2020_I1797443 13000 41 0 41
Identified Particles : pT
 Λ
 ALICE_2011_I881474 900 33 -2.0 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 140 - n/a
Identified Particles : Ratios
 Λc+/D0 vs pT
 ALICE_2022_I1868463 13000 36 -5.0 31
Identified Particles : Ratios
 Λc+ from Σc0,+,++/Λc+ vs pT
 ALICE_2022_I1868463 13000 4.1 +1.0 5.1
Identified Particles : Ratios
 Λbar/K0S vs pT
 LHCB_2011_I917009 [900..7000] 11 -1.0 10
Identified Particles : Ratios
 Λbar/K0S vs |y|
 LHCB_2011_I917009 [900..7000] 9.5 -0.80 8.7
Identified Particles : Ratios
 Λbar/K0S vs |Δy|
 LHCB_2011_I917009 [900..7000] 10 -0.50 9.5
Identified Particles : Ratios
 Λbar/Λ vs pT
 LHCB_2011_I917009 [900..7000] 2.0 0 2.0
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
 Λbar/Λ vs |y|
 LHCB_2011_I917009 [900..7000] 2.4 0 2.4
Identified Particles : Ratios
 Λbar/Λ vs |Δy|
 LHCB_2011_I917009 [900..7000] 3.4 -0.30 3.1
Identified Particles : pT
 Λbar
 ALICE_2011_I881474 900 19 0 19
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
 ALICE_2020_I1797443 13000 55 -15 40
Omegapm_pt
 ALICE_2020_I1797443 13000 130 -36 94
Identified Particles : pT
 Σbar(1385)-
 ALICE_2014_I1300380 7000 11 +1.0 12
Identified Particles : pT
 Σbar(1385)+
 ALICE_2014_I1300380 7000 8.0 +1.6 9.6
Identified Particles : pT
 Σ(1385)-
 ALICE_2014_I1300380 7000 13 0 13
Identified Particles : pT
 Σ(1385)+
 ALICE_2014_I1300380 7000 12 -1.0 11
Identified Particles : pT
 Σc0,+,++
 ALICE_2022_I1868463 13000 10 -1.2 8.8
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 - n/a
Xi2phi_pt
 ALICE_2020_I1797443 13000 7.0 +1.0 8.0
Identified Particles : pT
 Ξ
 ALICE_2011_I881474 900 8.5 +1.1 9.6
ALICE_2020_I1797443 13000 66 +3.0 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 0.21 +0.020 0.23
<pT> vs Nch
 ALICE_2010_I860416 900 0.44* +0.020 0.46*
ATLAS_2010_I849050 900 0.82 +0.010 0.83
CDF_2002_I567774 [630..1800] 2.4 -0.10 2.3
CDF_2009_I817466 1960 1.1 - n/a
CMS_2013_I1261026 7000 0.51 +0.17 0.68
UA1_1990_I280412 [63..900] 2.5* 0 2.5*
Identified Particles : σ
 ccbar
 ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
 LHCB_2013_I1208105 7000 5.9 -0.20 5.7
Forward energy flow ratio
 CMS_2013_I1218372 [900..7000] 1.1 +0.20 1.3
EM energy spectrum
 CMS_2017_I1511284 13000 5.3 0 5.3
Hadronic energy spectrum
 CMS_2017_I1511284 13000 39 0 39
Total energy spectrum
 CMS_2017_I1511284 13000 20 0 20
η Distributions
 ALICE_2010_I852264 [900..7000] 0.14 +0.0100 0.15
ATLAS_2010_I849050 900 0.40 +0.050 0.45
CDF_1990_I283352 [630..1800] 3.0 -0.10 2.9
CMS_2015_I1384119 13000 0.41 +0.060 0.47
TOTEM_2012_I1115294 7000 0.15 -0.030 0.12
UA5_1982_I176647 53 13 0 13
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 3.9 +0.70 4.6
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] 24 0 24
FB Correlations
 b(Nch) vs ηC
 UA5_1988_I263399 [200..900] 34 -1.0 33
Jet pT
 CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 11* +2.0 13*
Jet Shapes
 Differential Jet Shape
 CMS_2013_I1261026 7000 1.4 +0.10 1.5
Diffraction
 ξ
 ATLAS_2019_I1762584 8000 76 -4.0 72
n.E
 LHCF_2020_I1783943 13000 150 +10 160
n.avgk
 LHCF_2020_I1783943 13000 6.1 +0.20 6.3
n.eflow
 LHCF_2020_I1783943 13000 39 -1.0 38
n.k
 LHCF_2020_I1783943 13000 55 +5.0 60
Multiplicity Distributions
 ALICE_2010_I852264 7000 2.0 -0.30 1.7
ALICE_2010_I852450 [900..2360] 2.8 -0.100 2.7
ATLAS_2010_I849050 900 0.60 +0.27 0.87
CDF_2002_I567774 [630..1800] 17 -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 -2.0 25
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 1.5 -0.97 0.53*
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 200 120 -10 110
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] 1.6 -0.40 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 21 +4.0 25
Identified Particles : Ratios
 (pbar+p)/(K-+K+) vs |y|
 LHCB_2012_I1119400 [900..7000] 1.6 +0.100 1.7
Identified Particles : Ratios
 (pbar+p)/(π-+π+) vs pT
 ALICE_2015_I1357424 7000 4.9 +0.50 5.4
Identified Particles : Ratios
 (pbar+p)/(π-+π+) vs |y|
 LHCB_2012_I1119400 [900..7000] 7.2 -0.80 6.4
phi2pippim_pt
 ALICE_2020_I1797443 13000 26 0 26
Identified Particles : pT
 φ
 ALICE_2011_I881474 900 2.9 -0.30 2.6
ALICE_2020_I1797443 13000 15 -1.0 14
ATLAS_2014_I1282441 7000 2.6 -0.40 2.2
LHCB_2011_I919315 7000 6.3 +0.70 7.0
Identified Particles : Y
 φ
 ATLAS_2014_I1282441 7000 1.7 -0.40 1.3
LHCB_2011_I919315 7000 5.1 +0.30 5.4
Identified Particles : pT
 π0
 ALICE_2012_I1116147 [900..7000] 2.1* -0.40 1.7
LHCF_2012_I1115479 7000 3.5 -0.80 2.7
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] 0.20 -0.060 0.14
Identified Particles : pT
 π-
 ALICE_2011_I885104 900 3.0 +0.20 3.2
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 5.1 +2.0 7.1
Identified Particles : pT
 π+
 ALICE_2011_I885104 900 3.4 -0.20 3.2
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 5.7 +1.1 6.8
Identified Particles : pT
 π+ + π-
 ALICE_2015_I1357424 7000 6.5 +0.50 7.0
ALICE_2020_I1797443 13000 11 0 11
Identified Particles : pT
 pbar
 ALICE_2011_I885104 900 4.5 -0.70 3.8
Identified Particles : pT
 p
 ALICE_2011_I885104 900 5.4 -1.1 4.3
Identified Particles : pT
 p + pbar
 ALICE_2015_I1357424 7000 3.3 0 3.3
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
 ALICE_2010_I860416 900 n/a - 4.4
ATLAS_2010_I849050 900 n/a - 5.5
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 84 -10 74
Diffraction
 |t|
 ATLAS_2019_I1762584 8000 70 -4.0 66
sqrts.xsec
 ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
 ATLAS_2012_I1183818 7000 7.5 0 7.5
CDF_2009_I817466 1960 2.0 - n/a
UA1_1990_I280412 [200..900] 46 -5.0 41
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 2.7 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.