Generator / tune

Details for Pythia 6.427 345 vs. 6.428

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 5.0 - n/a
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 9.6 +0.100 9.7
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 2.6 +1.5 4.1
LHCB_2013_I1218996 7000 9.1 -0.100 9.0
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 2.7 - n/a
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.26 +0.65 0.91
LHCB_2013_I1218996 7000 4.3 +0.50 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 0.97 +0.13 1.1
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.30 +1.2 1.5
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 4.2 +1.0 5.2
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 3.5 -0.30 3.2
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 5.5 +0.100 5.6
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.2 -0.35 0.85
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 5.9 +0.40 6.3
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 9.9 -0.90 9.0
Identified Particles : pT
K-
ALICE_2011_I885104 900 1.5 +0.30 1.8
STAR_2006_I722757 200 6.8 -2.2 4.6
STAR_2008_I793126 200 2.2 +0.80 3.0
Identified Particles : pT
K+
ALICE_2011_I885104 900 2.3 -0.30 2.0
STAR_2006_I722757 200 4.6 +2.0 6.6
STAR_2008_I793126 200 2.8 -0.20 2.6
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.6 +0.50 4.1
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 900 110 +20 130
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 32 +4.0 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 74 - n/a
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] 18 -1.0 17
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 15 -1.0 14
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 15 0 15
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.5 +1.3 2.8
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.4 +0.80 3.2
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 3.7 +0.90 4.6
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 23 +2.0 25
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 13 -2.0 11
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 12 -1.0 11
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 13 +2.0 15
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 14 0 14
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 30 -7.0 23
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 9.8 -0.90 8.9
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 0.088 +0.14 0.23
<pT> vs Nch
ALICE_2010_I860416 900 0.31* +0.12 0.43*
ATLAS_2010_I849050 900 0.17 +0.080 0.25
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.45 +0.31 0.76
UA1_1990_I280412 [63..900] 4.0* -0.40 3.6*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 100 0 100
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.53* -0.020 0.51*
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] 0.78* -0.42 0.36*
ATLAS_2010_I849050 900 0.47 +0.34 0.81
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 7.6 0 7.6
UA5_1982_I176647 53 1.9 0 1.9
UA5_1986_I233599 [200..900] 13 -1.0 12
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 23 -1.0 22
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.92 +0.18 1.1
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 3.2 -0.30 2.9
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 18 +2.0 20
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 13* -5.6 7.4*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.87 -0.12 0.75
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 2.5 -0.70 1.8
ALICE_2010_I852450 [900..2360] 2.9* -0.80 2.1*
ATLAS_2010_I849050 900 0.94 +0.46 1.4
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] 26* -2.0 24*
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 5.4* +1.3 6.7*
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 81 -11 70
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 +0.20 2.1
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 23 +6.0 29
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 1.8 -0.20 1.6
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 5.0 +0.50 5.5
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 9.5 -1.0 8.5
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 1.2 +0.10 1.3
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 1.7 -0.86 0.84
LHCB_2011_I919315 7000 4.3 -0.20 4.1
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.2 -0.33 0.87
LHCB_2011_I919315 7000 4.2 -1.3 2.9
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 0.49* +0.61 1.1*
LHCF_2012_I1115479 7000 7.5 -0.100 7.4
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 +0.090 0.29
Identified Particles : pT
π-
ALICE_2011_I885104 900 2.4 -0.20 2.2
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.4 +0.70 4.1
Identified Particles : pT
π+
ALICE_2011_I885104 900 2.3 0 2.3
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.7 +0.20 3.9
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 2.8 +0.60 3.4
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 3.2 +1.1 4.3
Identified Particles : pT
p
ALICE_2011_I885104 900 3.7 -0.80 2.9
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 3.0 +0.10 3.1
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 1.3 +0.100 1.4
ATLAS_2010_I849050 900 0.21 - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 20* -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 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 68 +6.0 74
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 39* -2.0 37*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 34* -1.0 33*
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 0.72 -0.030 0.69

* 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.