Generator

Details for Pythia 6.424 default vs. a

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (a)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 n/a - n/a
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 120 +10 130
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 - 12
LHCB_2013_I1218996 7000 79 +1.0 80*
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 - 3.2
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 1.6 +1.8 3.4
LHCB_2013_I1218996 7000 15 -9.8 5.2*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.34 +1.8 2.1
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.40 +3.2 3.6
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 4.5 +0.20 4.7
LHCB_2013_I1218996 7000 27 +7.0 34
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 0.43 -0.090 0.34
K0S2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 16 +5.0 21
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 4.1 +0.70 4.8
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.6 -0.30 1.3
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 8.7 -1.2 7.5
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.9 -1.3 6.6
Identified Particles : pT
K-
ALICE_2011_I885104 900 7.4 0 7.4
STAR_2006_I722757 200 9.7 +8.3 18
STAR_2008_I793126 200 2.8 +0.60 3.4
Identified Particles : pT
K+
ALICE_2011_I885104 900 6.3 +1.0 7.3
STAR_2006_I722757 200 9.4 +6.6 16
STAR_2008_I793126 200 4.3 -1.6 2.7
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 16 0 16
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 34 -3.0 31
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 31 +5.0 36
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 290 -30 260
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] 6.1 -0.90 5.2
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 5.2 -0.60 4.6
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 6.9 -0.40 6.5
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 3.1 +1.00 4.1
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 3.7 +0.80 4.5
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 5.2 +1.1 6.3
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 20 +3.0 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 7.7 +1.9 9.6
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 7.5 +0.70 8.2
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 11 -1.0 10
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 11 0 11
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 27 - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 12 0 12
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 1.2 +1.0 2.2
<pT> vs Nch
ALICE_2010_I860416 900 0.51* +0.49 1.0*
ATLAS_2010_I849050 900 0.35 +0.18 0.53
CDF_2002_I567774 [630..1800] 0.62* - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 1.7 +0.60 2.3
UA1_1990_I280412 [63..900] 2.6* -1.2 1.4*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 67 +3.0 70
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 3.3 -0.60 2.7*
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] 23* +1.0 24*
ATLAS_2010_I849050 900 3.2 +1.9 5.1
CDF_1990_I283352 [630..1800] 0.91* - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 6.4 +0.30 6.7
UA5_1982_I176647 53 4.0 -1.1 2.9
UA5_1986_I233599 [200..900] 5.2 +1.8 7.0
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 0.69 +0.090 0.78
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 28 -1.0 27
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 15 0 15
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 4.3* -1.9 2.4*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 2.3 -0.100 2.2
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 - n/a
ALICE_2010_I852450 [900..2360] 29* +3.0 32*
ATLAS_2010_I849050 900 3.1 +1.2 4.3
CDF_2002_I567774 [630..1800] 6.4* - 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* +18 40*
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 55* -28 27
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 87 +13 100
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] 3.0 +0.70 3.7
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 +5.0 24
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 8.9 -1.3 7.6
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 3.6 -0.20 3.4
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.3 -0.100 2.2
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.0 -0.20 2.8
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 0.92 -0.52 0.40
LHCB_2011_I919315 7000 1.4 +0.70 2.1
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 0.33 -0.010 0.32
LHCB_2011_I919315 7000 0.63 -0.40 0.23
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 4.1* +2.0 6.1*
LHCF_2012_I1115479 7000 3.7 +3.2 6.9
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] 0.25 +0.050 0.30
Identified Particles : pT
π-
ALICE_2011_I885104 900 5.1 +2.8 7.9
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.8 -0.70 1.1
Identified Particles : pT
π+
ALICE_2011_I885104 900 4.9 +2.7 7.6
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.8 -1.4 1.4
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 11 0 11
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 1.8 +0.70 2.5
Identified Particles : pT
p
ALICE_2011_I885104 900 1.7 +1.0 2.7
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 4.4 -1.1 3.3
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 n/a - 17
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* +12 33*
<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 +10 150
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 49* +6.0 55*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 30* +3.0 33*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.3 0 2.3
CMS_2012_I1193338 7000 0.76 +0.040 0.80

* 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.