Generator / tune

Details for Pythia 6.426 357 vs. 6.427

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 n/a - n/a
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 5.7 -0.40 5.3
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 8.0* -0.100 7.9
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 0.49 - n/a
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.33 +0.44 0.77
LHCB_2013_I1218996 7000 3.6* +0.30 3.9
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 1.5 0 1.5
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 3.2 -1.9 1.3
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 1.0 - n/a
LHCB_2013_I1218996 7000 5.0 -1.2 3.8
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 0.69 - n/a
K0S2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 40 +5.0 45
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 9.1 +0.100 9.2
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.96 +0.14 1.1
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 13 0 13
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 19 0 19
STAR_2006_I722757 200 120 -23 97
STAR_2008_I793126 200 3.5 -1.2 2.3
Identified Particles : pT
K+
ALICE_2011_I885104 900 16 +2.0 18
STAR_2006_I722757 200 120 -33 87
STAR_2008_I793126 200 2.5 -0.90 1.6
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.3 +0.20 3.5
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 43 -4.0 39
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 53 0 53
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 54 -5.0 49
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] 7.0 -1.1 5.9
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 5.0 -0.60 4.4
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 3.8 -0.30 3.5
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 2.3 +0.30 2.6
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.8 +0.10 2.9
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 4.0 +0.100 4.1
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 41 0 41
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 5.1 +0.80 5.9
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 6.2 +0.80 7.0
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 6.9 -0.40 6.5
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 9.0 -1.7 7.3
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 13 -1.0 12
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 13 0 13
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 0.17 +0.10 0.27
<pT> vs Nch
ALICE_2010_I860416 900 0.25* +0.080 0.33*
ATLAS_2010_I849050 900 0.63 - n/a
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.097 +0.043 0.14
UA1_1990_I280412 [63..900] 2.4* -0.40 2.0*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 58 +6.0 64
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.57* +0.24 0.81*
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] 21* +1.0 22*
ATLAS_2010_I849050 900 19 0 19
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 8.9 0 8.9
UA5_1982_I176647 53 23 0 23
UA5_1986_I233599 [200..900] 70 +3.0 73
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 0.58 0 0.58
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 210 -10 200
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 170 0 170
Jet pT
CMS_2013_I1261026 7000 n/a - 1.5*
STAR_2006_I723509 200 56* -25 31*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.56 +0.0100 0.57
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 2.3 +1.0 3.3
ALICE_2010_I852450 [900..2360] 71* +2.0 73*
ATLAS_2010_I849050 900 19 - 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] 370* +60 430*
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 5.1* -0.60 4.5*
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 99 -11 88
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] 1.5 +0.40 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 38 -9.0 29
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 4.2 -0.30 3.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 5.3 -0.40 4.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 6.8 +0.60 7.4
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 8.7 +2.3 11
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 2.1 +0.10 2.2
LHCB_2011_I919315 7000 8.1 +1.9 10
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.6 +0.100 1.7
LHCB_2011_I919315 7000 8.1 +0.90 9.0
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 6.4* +0.30 6.7*
LHCF_2012_I1115479 7000 13 -2.0 11
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] 0.44 -0.22 0.22
Identified Particles : pT
π-
ALICE_2011_I885104 900 16 -1.0 15
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.6 +0.70 2.3
Identified Particles : pT
π+
ALICE_2011_I885104 900 16 0 16
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.5 -0.20 2.3
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 5.3 -0.40 4.9
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 15 0 15
Identified Particles : pT
p
ALICE_2011_I885104 900 12 0 12
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 2.8 +0.10 2.9
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 34 - n/a
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] 97* +73 170*
<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 63 -4.0 59
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] n/a - n/a
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 28* +1.0 29*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.4 0 2.4
CMS_2012_I1193338 7000 0.69 +0.030 0.72

* 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.