Generator / tune

Details for Pythia 6.426 dwt 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 24 - n/a
LHCB_2013_I1218996 7000 130 0 130
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 36* 0 36*
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 1.5 0 1.5
LHCB_2013_I1218996 7000 5.6* 0 5.6*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 2.1 0 2.1
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 1.6 0 1.6
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 3.8 0 3.8
LHCB_2013_I1218996 7000 32 0 32
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 17 -1.0 16
ALICE_2020_I1797443 13000 11 - n/a
LHCB_2010_I865584 900 3.6 +0.10 3.7
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.0 0 1.0
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 8.8 0 8.8
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.7 +0.40 8.1
Identified Particles : pT
K-
ALICE_2011_I885104 900 7.8 +0.40 8.2
STAR_2006_I722757 200 21 -5.0 16
STAR_2008_I793126 200 4.0 -0.80 3.2
Identified Particles : pT
K+
ALICE_2011_I885104 900 6.6 +0.50 7.1
STAR_2006_I722757 200 8.6 -2.0 6.6
STAR_2008_I793126 200 4.3 -1.8 2.5
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 8.1 0 8.1
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 6.9 - n/a
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 12 - n/a
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 32 +12 44
ALICE_2020_I1797443 13000 16 - n/a
LLbar_pt
ALICE_2020_I1797443 13000 55 - n/a
Identified Particles : pT
Λ
ALICE_2011_I881474 900 30 +3.0 33
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 28* - n/a
LHCB_2013_I1218996 7000 330 0 330
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 21 - 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] 5.8 +0.30 6.1
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 5.1 +0.10 5.2
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 6.3 +0.10 6.4
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 3.3 +0.60 3.9
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 4.2 +0.30 4.5
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 5.7 +1.0 6.7
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 19 +3.0 22
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 73 - n/a
Omegapm_pt
ALICE_2020_I1797443 13000 95 - n/a
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 6.5 0 6.5
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 6.5 0 6.5
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 10 0 10
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 8.8 0 8.8
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 21 0 21
Xi2phi_pt
ALICE_2020_I1797443 13000 41 - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 10 +4.0 14
ALICE_2020_I1797443 13000 74 - 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 1.5 0 1.5
<pT> vs Nch
ALICE_2010_I860416 900 1.6* -0.30 1.3*
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 4.7 0 4.7
UA1_1990_I280412 [63..900] 5.2* -1.0 4.2*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 62 0 62
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 5.6* -0.40 5.2*
EM energy spectrum
CMS_2017_I1511284 13000 32 - n/a
Hadronic energy spectrum
CMS_2017_I1511284 13000 20 - n/a
Total energy spectrum
CMS_2017_I1511284 13000 10 - n/a
η Distributions
ALICE_2010_I852264 [900..7000] 22* +2.0 24
ATLAS_2010_I849050 900 4.8 +0.10 4.9
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 30 - n/a
TOTEM_2012_I1115294 7000 2.4 0 2.4
UA5_1982_I176647 53 5.3 -0.20 5.1
UA5_1986_I233599 [200..900] 9.9 -0.20 9.7
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 9.9 0 9.9
Identified Particles : pT
η
ALICE_2012_I1116147 7000 1.3 0 1.3
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 27 -2.0 25
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 9.4 -0.90 8.5
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 n/a - 1.7*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 4.4 0 4.4
Diffraction
ξ
ATLAS_2019_I1762584 8000 n/a - n/a
n.E
LHCF_2020_I1783943 13000 72 - n/a
n.avgk
LHCF_2020_I1783943 13000 0.19 - n/a
n.eflow
LHCF_2020_I1783943 13000 46 - n/a
n.k
LHCF_2020_I1783943 13000 13 - n/a
Multiplicity Distributions
ALICE_2010_I852264 7000 n/a - n/a
ALICE_2010_I852450 [900..2360] n/a - 27*
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] n/a - 77*
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 71* 0 71*
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 200 100 -9.0 91
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] 3.2 -0.70 2.5
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 21 +3.0 24
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 8.5 +0.40 8.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 3.9 0 3.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.0 +0.10 2.1
phi2pippim_pt
ALICE_2020_I1797443 13000 2.3 - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 2.9 -0.10 2.8
ALICE_2020_I1797443 13000 2.6 - n/a
ATLAS_2014_I1282441 7000 0.41 0 0.41
LHCB_2011_I919315 7000 3.4 0 3.4
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 0.30 0 0.30
LHCB_2011_I919315 7000 3.8 0 3.8
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 4.1* +0.20 4.3*
LHCF_2012_I1115479 7000 3.2 0 3.2
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] 0.18 +0.10 0.28
Identified Particles : pT
π-
ALICE_2011_I885104 900 7.6 -0.100 7.5
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.9 -0.100 1.8
Identified Particles : pT
π+
ALICE_2011_I885104 900 6.9 +0.100 7.0
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.8 -0.10 1.7
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 9.2 0 9.2
ALICE_2020_I1797443 13000 8.8 - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 1.3 0 1.3
Identified Particles : pT
p
ALICE_2011_I885104 900 1.4 0 1.4
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 9.0 0 9.0
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 12 0 12
ATLAS_2010_I849050 900 6.6 +0.30 6.9
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 25* +5.0 30*
<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 49 0 49
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 48* -1.0 47*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 27* -2.0 25*
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 0.74 0 0.74

* 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.