Generator / tune

Details for Pythia 6.427 350 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 - 3.8
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 7.3 -1.1 6.2
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 3.0 - n/a
LHCB_2013_I1218996 7000 8.3 -0.10 8.2
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
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 2.6 -1.1 1.5
LHCB_2013_I1218996 7000 5.3* -2.1 3.2*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 4.1 -2.4 1.7
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 4.9 -4.2 0.66
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 4.7 -0.30 4.4
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 13 -2.0 11
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 6.7 -0.20 6.5
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.2 -0.100 1.1
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 14 -2.0 12
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 16 -1.0 15
Identified Particles : pT
K-
ALICE_2011_I885104 900 6.0 -1.0 5.0
STAR_2006_I722757 200 18 -2.0 16
STAR_2008_I793126 200 2.9 -1.1 1.8
Identified Particles : pT
K+
ALICE_2011_I885104 900 5.0 0 5.0
STAR_2006_I722757 200 14 0 14
STAR_2008_I793126 200 1.5 -0.20 1.3
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.9 -1.2 2.7
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 42 +2.0 44
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 35 -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 39 +3.0 42
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 +1.3 7.4
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 4.7 +1.1 5.8
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 4.2 +0.90 5.1
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.3 0 1.3
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.3 -0.20 2.1
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 2.8 0 2.8
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 25 -2.0 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 6.7 +0.50 7.2
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 6.0 +0.70 6.7
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 6.1 -0.70 5.4
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 6.5 -0.100 6.4
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 15 - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 9.4 +0.20 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 0.69 +0.25 0.94
<pT> vs Nch
ALICE_2010_I860416 900 0.46* +0.10 0.56*
ATLAS_2010_I849050 900 0.46 +0.070 0.53
CDF_2002_I567774 [630..1800] 1.5 - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.25 +0.31 0.56
UA1_1990_I280412 [63..900] 1.4* -0.20 1.2*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 61 -2.0 59
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 150* -150 0.27*
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] 1.5* -0.40 1.1*
ATLAS_2010_I849050 900 0.10 -0.0050 0.095
CDF_1990_I283352 [630..1800] 3.6 - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 8.7 +0.20 8.9
UA5_1982_I176647 53 2.1 0 2.1
UA5_1986_I233599 [200..900] 9.8 -0.20 9.6
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 15 0 15
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.51 +0.070 0.58
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 8.9 +0.40 9.3
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 28 +1.0 29
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 0.41* - n/a
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.61 +0.040 0.65
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 2.7 -0.60 2.1
ALICE_2010_I852450 [900..2360] 5.1* -0.80 4.3*
ATLAS_2010_I849050 900 0.68 +0.12 0.80
CDF_2002_I567774 [630..1800] 11 - n/a
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 16* -1.0 15*
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 4.1* -2.3 1.8*
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 200 110 +10 120
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] 2.1 -0.20 1.9
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 32 -4.0 28
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 4.3 -0.50 3.8
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 6.2 -1.1 5.1
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 6.7 +0.60 7.3
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.3 +0.10 3.4
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 2.3 -0.100 2.2
LHCB_2011_I919315 7000 7.8 +0.60 8.4
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.5 0 1.5
LHCB_2011_I919315 7000 7.9 -0.30 7.6
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 1.6* +0.30 1.9*
LHCF_2012_I1115479 7000 12 +1.0 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 +0.18 0.34
Identified Particles : pT
π-
ALICE_2011_I885104 900 1.9 -0.100 1.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.2 -0.90 2.3
Identified Particles : pT
π+
ALICE_2011_I885104 900 2.0 0 2.0
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.2 +0.60 2.8
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 5.8 -0.100 5.7
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 5.1 +0.40 5.5
Identified Particles : pT
p
ALICE_2011_I885104 900 4.3 +1.7 6.0
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 2.9 +0.20 3.1
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 4.5 +0.40 4.9
ATLAS_2010_I849050 900 n/a - 5.0
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 29* 0 29*
<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 55 +4.0 59
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 33* -9.0 24*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 35* -2.0 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 0.71 0 0.71

* 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.