Generator / tune

Details for Pythia 6.427 375 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 2.1 +0.30 2.4
ALICE_2022_I1868463 13000 4.5 - n/a
LHCB_2013_I1218996 7000 4.3 +1.1 5.4
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 6.1 +0.90 7.0
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 0.23 +1.2 1.4
LHCB_2013_I1218996 7000 2.4* +1.0 3.4*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.28 0 0.28
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.67 +0.18 0.85
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 3.1 -0.90 2.2
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 9.8 - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 20 +2.0 22
ALICE_2020_I1797443 13000 22 - n/a
LHCB_2010_I865584 900 7.1 0 7.1
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.93 +0.37 1.3
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 8.8 -1.5 7.3
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 10 +1.0 11
Identified Particles : pT
K-
ALICE_2011_I885104 900 7.4 0 7.4
STAR_2006_I722757 200 34 +6.0 40
STAR_2008_I793126 200 3.2 -0.40 2.8
Identified Particles : pT
K+
ALICE_2011_I885104 900 8.4 -0.50 7.9
STAR_2006_I722757 200 28 0 28
STAR_2008_I793126 200 2.8 +0.50 3.3
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 15 -1.0 14
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 5.0 - n/a
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 16 - n/a
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 30 -3.0 27
ALICE_2020_I1797443 13000 8.5 - n/a
LLbar_pt
ALICE_2020_I1797443 13000 53 - n/a
Identified Particles : pT
Λ
ALICE_2011_I881474 900 37 +2.0 39
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 13 - n/a
LHCB_2013_I1218996 7000 63 +15 78
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 26 - n/a
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 3.5 - n/a
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 5.2 -0.40 4.8
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 4.3 -0.40 3.9
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 3.9 -0.50 3.4
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.4 +0.30 1.7
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.5 +0.20 2.7
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 3.6 +0.50 4.1
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 27 0 27
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 11 - n/a
Omegapm_pt
ALICE_2020_I1797443 13000 61 - n/a
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 6.8 +3.2 10
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 7.1 +0.70 7.8
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 7.8 +4.2 12
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 6.5 +2.7 9.2
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 9.8 - n/a
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 16 - n/a
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - 12
Xi2phi_pt
ALICE_2020_I1797443 13000 1.2 - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 8.6 +0.70 9.3
ALICE_2020_I1797443 13000 67 - 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 0.25 -0.070 0.18
<pT> vs Nch
ALICE_2010_I860416 900 7.7* -2.1 5.6
ATLAS_2010_I849050 900 5.0 +0.60 5.6
CDF_2002_I567774 [630..1800] 13* - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 10.0 0 10
UA1_1990_I280412 [63..900] 2.2* +0.20 2.4*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 89 -1.0 88
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.42* -0.030 0.39*
EM energy spectrum
CMS_2017_I1511284 13000 220 - n/a
Hadronic energy spectrum
CMS_2017_I1511284 13000 13 - n/a
Total energy spectrum
CMS_2017_I1511284 13000 130 - n/a
η Distributions
ALICE_2010_I852264 [900..7000] 3.1 +1.4 4.5*
ATLAS_2010_I849050 900 0.83 +0.030 0.86
CDF_1990_I283352 [630..1800] 12* - n/a
CMS_2015_I1384119 13000 6.2 - n/a
TOTEM_2012_I1115294 7000 6.8 0 6.8
UA5_1982_I176647 53 3.0 +0.10 3.1
UA5_1986_I233599 [200..900] 5.0 +0.20 5.2
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 12 0 12
Identified Particles : pT
η
ALICE_2012_I1116147 7000 3.4 +0.30 3.7
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 37 0 37
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 87 +2.0 89
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 1.2* -0.20 1.0*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.91 -0.12 0.79
Diffraction
ξ
ATLAS_2019_I1762584 8000 n/a - n/a
n.E
LHCF_2020_I1783943 13000 34 - n/a
n.avgk
LHCF_2020_I1783943 13000 0.035 - n/a
n.eflow
LHCF_2020_I1783943 13000 27 - n/a
n.k
LHCF_2020_I1783943 13000 93 - n/a
Multiplicity Distributions
ALICE_2010_I852264 7000 15 +2.0 17
ALICE_2010_I852450 [900..2360] 13 +4.0 17*
ATLAS_2010_I849050 900 3.7 -0.50 3.2
CDF_2002_I567774 [630..1800] 41* - n/a
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 52* +3.0 55*
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 190* +30 220*
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 200 140 +40 180
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] 2.4 -0.30 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 55 +1.0 56
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 4.8 +0.30 5.1
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 5.4 -0.50 4.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 5.6 -0.40 5.2
phi2pippim_pt
ALICE_2020_I1797443 13000 20 - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.4 +0.20 3.6
ALICE_2020_I1797443 13000 27 - n/a
ATLAS_2014_I1282441 7000 1.3 -0.40 0.90
LHCB_2011_I919315 7000 15 +1.0 16
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 0.77 -0.050 0.72
LHCB_2011_I919315 7000 8.6 -1.0 7.6
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 4.5* +0.40 4.9
LHCF_2012_I1115479 7000 9.2 +0.50 9.7
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] 0.39 +0.050 0.44
Identified Particles : pT
π-
ALICE_2011_I885104 900 4.7 +1.2 5.9
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.5 +0.50 2.0
Identified Particles : pT
π+
ALICE_2011_I885104 900 5.5 +0.60 6.1
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.9 +0.70 2.6
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 8.6 +1.3 9.9
ALICE_2020_I1797443 13000 9.6 - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 13 0 13
Identified Particles : pT
p
ALICE_2011_I885104 900 14 +2.0 16
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 15 0 15
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 20 +4.0 24
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] 51* +9.0 60*
<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 62 -1.0 61
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 33* +1.0 34*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 41* +1.0 42*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.2 +0.100 2.3
CMS_2012_I1193338 7000 0.66 +0.020 0.68

* 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.