Generator / tune

Details for Pythia 6.427 d6t 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 n/a - n/a
ALICE_2022_I1868463 13000 25 - n/a
LHCB_2013_I1218996 7000 100 -1.0 99
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 57* +12 69*
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 3.5 -2.2 1.3
LHCB_2013_I1218996 7000 6.4* +0.70 7.1*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 1.3 -1.1 0.20
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.84 -0.14 0.70
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 26 +14 40
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 12 - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 14 -1.0 13
ALICE_2020_I1797443 13000 16 - n/a
LHCB_2010_I865584 900 3.8 0 3.8
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.2 -0.39 0.81
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 8.9 +0.50 9.4
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.7 -0.60 7.1
Identified Particles : pT
K-
ALICE_2011_I885104 900 7.6 -0.100 7.5
STAR_2006_I722757 200 9.6 +2.4 12
STAR_2008_I793126 200 2.9 -1.4 1.5
Identified Particles : pT
K+
ALICE_2011_I885104 900 5.8 +0.70 6.5
STAR_2006_I722757 200 5.5 +0.30 5.8
STAR_2008_I793126 200 4.1 -2.2 1.9
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 11 0 11
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 7.0 - n/a
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 8.7 - n/a
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 38 -1.0 37
ALICE_2020_I1797443 13000 14 - n/a
LLbar_pt
ALICE_2020_I1797443 13000 61 - n/a
Identified Particles : pT
Λ
ALICE_2011_I881474 900 28 +2.0 30
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 17 - n/a
LHCB_2013_I1218996 7000 230 +150 380
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 13 - n/a
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 2.6 - n/a
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 5.5 0 5.5
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 4.5 +0.20 4.7
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 5.8 +0.30 6.1
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 4.3 +0.40 4.7
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 4.5 +0.60 5.1
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 6.6 +0.60 7.2
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 21 -1.0 20
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 77 - n/a
Omegapm_pt
ALICE_2020_I1797443 13000 110 - n/a
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 8.3 -0.80 7.5
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 6.6 +0.50 7.1
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 8.4 +0.100 8.5
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 6.7 +0.40 7.1
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 9.9 - n/a
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 9.8 - n/a
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - 25
Xi2phi_pt
ALICE_2020_I1797443 13000 47 - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 11 0 11
ALICE_2020_I1797443 13000 91 - 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 +0.20 1.2
<pT> vs Nch
ALICE_2010_I860416 900 1.5* +0.10 1.6*
ATLAS_2010_I849050 900 n/a - n/a
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 4.4 -0.10 4.3
UA1_1990_I280412 [63..900] 5.7* -0.80 4.9*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 60 -1.0 59
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 4.4* -0.40 4.0*
EM energy spectrum
CMS_2017_I1511284 13000 61 - n/a
Hadronic energy spectrum
CMS_2017_I1511284 13000 14 - n/a
Total energy spectrum
CMS_2017_I1511284 13000 11 - n/a
η Distributions
ALICE_2010_I852264 [900..7000] 26 -1.0 25*
ATLAS_2010_I849050 900 4.0 +0.20 4.2
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 40 - n/a
TOTEM_2012_I1115294 7000 3.4 +0.10 3.5
UA5_1982_I176647 53 3.3 -0.100 3.2
UA5_1986_I233599 [200..900] 9.2 0 9.2
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 11 0 11
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.90 +0.20 1.1
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] 7.6 -0.30 7.3
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 1.2* -0.66 0.54*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 4.1 +0.60 4.7
Diffraction
ξ
ATLAS_2019_I1762584 8000 n/a - n/a
n.E
LHCF_2020_I1783943 13000 77 - n/a
n.avgk
LHCF_2020_I1783943 13000 0.069 - n/a
n.eflow
LHCF_2020_I1783943 13000 48 - n/a
n.k
LHCF_2020_I1783943 13000 16 - n/a
Multiplicity Distributions
ALICE_2010_I852264 7000 n/a - n/a
ALICE_2010_I852450 [900..2360] 27* - n/a
ATLAS_2010_I849050 900 n/a - n/a
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] 75* - n/a
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 76* -2.0 74*
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 -11 76
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] 3.5 -0.30 3.2
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 23 -2.0 21
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.9 -0.20 7.7
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 3.4 0 3.4
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.2 -0.10 2.1
phi2pippim_pt
ALICE_2020_I1797443 13000 2.2 - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.2 +0.30 3.5
ALICE_2020_I1797443 13000 2.4 - n/a
ATLAS_2014_I1282441 7000 0.34 -0.17 0.17
LHCB_2011_I919315 7000 2.6 -0.10 2.5
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 0.47 -0.020 0.45
LHCB_2011_I919315 7000 3.2 +0.100 3.3
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 4.4* -0.40 4.0*
LHCF_2012_I1115479 7000 3.1 -0.10 3.0
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 7.1 +0.30 7.4
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.0 -0.50 1.5
Identified Particles : pT
π+
ALICE_2011_I885104 900 7.2 -0.40 6.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.9 +1.1 3.0
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 11 0 11
ALICE_2020_I1797443 13000 7.8 - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 1.1 +0.100 1.2
Identified Particles : pT
p
ALICE_2011_I885104 900 1.2 -0.100 1.1
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 7.6 -1.2 6.4
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 11 -1.0 10
ATLAS_2010_I849050 900 4.9 - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 28* -3.0 25*
<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 57 +1.0 58
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 46* - n/a
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 26* -1.0 25*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.4 +0.10 2.5
CMS_2012_I1193338 7000 0.79 0 0.79

* 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.