Generator

Details for Pythia 6.426 default vs. 350

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (350)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 9.3 -6.3 3.0
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 110 -100 6.8
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 66 -61 5.5
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 2.1 -1.6 0.48
LHCB_2013_I1218996 7000 4.0* -0.50 3.5*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.18 +1.7 1.9
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.46 +3.1 3.6
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 37 -34 3.5
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 n/a - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 16 -3.0 13
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 4.3 +2.3 6.6
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.3 -0.53 0.77
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 8.6 +5.4 14
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.9 +8.1 16
Identified Particles : pT
K-
ALICE_2011_I885104 900 5.8 0 5.8
STAR_2006_I722757 200 12 +11 23
STAR_2008_I793126 200 5.4 -3.1 2.3
Identified Particles : pT
K+
ALICE_2011_I885104 900 6.4 -1.4 5.0
STAR_2006_I722757 200 7.0 +4.0 11
STAR_2008_I793126 200 3.0 -0.50 2.5
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 17 -13 3.6
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 41 +2.0 43
ALICE_2020_I1797443 13000 n/a - n/a
LLbar_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Λ
ALICE_2011_I881474 900 33 +1.0 34
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 250 -190 60
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 - n/a
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 4.9 +2.8 7.7
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 4.4 +1.4 5.8
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 6.2 -1.8 4.4
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 3.1 -1.4 1.7
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 3.7 -1.1 2.6
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 5.2 -1.4 3.8
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 22 +1.0 23
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 10 -3.4 6.6
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 8.2 -2.2 6.0
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 10 -0.70 9.3
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 10 -2.7 7.3
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 n/a - n/a
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 n/a - n/a
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - 16
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 12 -2.4 9.6
ALICE_2020_I1797443 13000 n/a - n/a
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 1.0 -0.79 0.21
<pT> vs Nch
ALICE_2010_I860416 900 0.63* -0.100 0.53*
ATLAS_2010_I849050 900 n/a - 0.42
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 2.0 -1.7 0.32
UA1_1990_I280412 [63..900] 2.4* -1.0 1.4*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 67 -8.0 59
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 3.1* -2.8 0.30*
EM energy spectrum
CMS_2017_I1511284 13000 n/a - n/a
Hadronic energy spectrum
CMS_2017_I1511284 13000 n/a - n/a
Total energy spectrum
CMS_2017_I1511284 13000 n/a - n/a
η Distributions
ALICE_2010_I852264 [900..7000] 22* -21 1.4
ATLAS_2010_I849050 900 3.4 -3.3 0.12
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 6.2 +2.5 8.7
UA5_1982_I176647 53 4.1 -2.1 2.0
UA5_1986_I233599 [200..900] 5.1 +4.9 10
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 14 +1.0 15
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.57 -0.070 0.50
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 28 -19 9.3
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 15 +14 29
Jet pT
CMS_2013_I1261026 7000 3.8* - n/a
STAR_2006_I723509 200 2.8* -1.2 1.6*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 3.4 -2.9 0.54
Diffraction
ξ
ATLAS_2019_I1762584 8000 n/a - n/a
n.E
LHCF_2020_I1783943 13000 n/a - n/a
n.avgk
LHCF_2020_I1783943 13000 n/a - n/a
n.eflow
LHCF_2020_I1783943 13000 n/a - n/a
n.k
LHCF_2020_I1783943 13000 n/a - n/a
Multiplicity Distributions
ALICE_2010_I852264 7000 n/a - 3.0
ALICE_2010_I852450 [900..2360] 27* -23 3.6
ATLAS_2010_I849050 900 n/a - 0.71
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 22* -6.0 16*
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 n/a - 4.3*
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 88 +72 160
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] 2.7 -1.1 1.6
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 19 +10 29
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 8.6 -4.3 4.3
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 3.6 +0.90 4.5
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.4 +4.9 7.3
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.2 +0.20 3.4
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 0.23 +2.8 3.0
LHCB_2011_I919315 7000 1.4 +8.3 9.7
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 0.28 +1.7 2.0
LHCB_2011_I919315 7000 0.59 +8.6 9.2
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 4.2* -2.5 1.7*
LHCF_2012_I1115479 7000 3.9 +9.1 13
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] 0.16 +0.040 0.20
Identified Particles : pT
π-
ALICE_2011_I885104 900 5.5 -3.7 1.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.9 +0.10 3.0
Identified Particles : pT
π+
ALICE_2011_I885104 900 5.2 -3.0 2.2
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.9 -0.40 2.5
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 10 -4.7 5.3
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 2.2 +2.9 5.1
Identified Particles : pT
p
ALICE_2011_I885104 900 2.7 +2.1 4.8
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 3.7 -0.80 2.9
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 n/a - 4.7
ATLAS_2010_I849050 900 n/a - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 21* +10 31*
<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 n/a - n/a
Diffraction
|t|
ATLAS_2019_I1762584 8000 n/a - n/a
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 140 -81 59
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 51* -17 34*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 30* +5.0 35*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.4 -0.10 2.3
CMS_2012_I1193338 7000 0.78 -0.080 0.70

* 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.