Generator / tune

Details for Pythia 6.427 378 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 n/a - n/a
LHCB_2013_I1218996 7000 11 +2.0 13
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 5.1 +0.60 5.7
LHCB_2013_I1218996 7000 13 -2.0 11
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 - 0.78
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.70 +0.050 0.75
LHCB_2013_I1218996 7000 4.7 -0.40 4.3
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.79 +1.6 2.4
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 1.7 +1.2 2.9
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 6.8 -1.0 5.8
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 6.4 +1.2 7.6
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 4.9 +0.100 5.0
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.89 +0.41 1.3
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 10 0 10
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 13 0 13
Identified Particles : pT
K-
ALICE_2011_I885104 900 3.2 -0.30 2.9
STAR_2006_I722757 200 10.0 +2.0 12
STAR_2008_I793126 200 2.8 -0.70 2.1
Identified Particles : pT
K+
ALICE_2011_I885104 900 2.9 +0.30 3.2
STAR_2006_I722757 200 8.5 -0.50 8.0
STAR_2008_I793126 200 2.2 +0.30 2.5
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 0.90 +0.020 0.92
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 54 +9.0 63
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 30 +2.0 32
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 48 -2.0 46
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] 8.7 -0.100 8.6
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 6.9 -0.40 6.5
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 6.2 -0.50 5.7
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.9 -0.60 1.3
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.4 0 2.4
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 3.2 +0.30 3.5
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 21 +1.0 22
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 4.4 +0.50 4.9
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 5.3 +0.60 5.9
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 7.4 +0.100 7.5
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 6.2 +2.0 8.2
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 n/a - 17
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 6.3 +3.5 9.8
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 0.25 -0.12 0.13
<pT> vs Nch
ALICE_2010_I860416 900 0.39* +0.020 0.41*
ATLAS_2010_I849050 900 0.44 -0.040 0.40
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 0.96 - n/a
CMS_2013_I1261026 7000 0.16 -0.050 0.11
UA1_1990_I280412 [63..900] 1.8* -0.20 1.6*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 67 -4.0 63
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.49* 0 0.49*
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] 0.74* -0.11 0.63*
ATLAS_2010_I849050 900 0.40 +0.070 0.47
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 4.2 -0.10 4.1
UA5_1982_I176647 53 6.1 +0.20 6.3
UA5_1986_I233599 [200..900] 5.2 -0.30 4.9
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 14 0 14
Identified Particles : pT
η
ALICE_2012_I1116147 7000 3.1 -1.1 2.0
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 23 -1.0 22
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 38 0 38
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 n/a - 2.1*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.46 -0.11 0.35
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 3.2 +0.40 3.6
ALICE_2010_I852450 [900..2360] 3.1* +0.10 3.2*
ATLAS_2010_I849050 900 2.0 +0.20 2.2
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] 14 +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 7.2* -3.2 4.0*
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 +20 120
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] 1.9 +0.20 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 29 -5.0 24
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.6 +0.30 2.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 6.3 -0.50 5.8
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 8.7 -0.40 8.3
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 1.6 +0.60 2.2
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 1.5 -0.62 0.88
LHCB_2011_I919315 7000 3.2 +1.9 5.1
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.2 -0.50 0.70
LHCB_2011_I919315 7000 3.9 +0.90 4.8
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 0.87* -0.12 0.75*
LHCF_2012_I1115479 7000 7.8 -0.100 7.7
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] 0.22 +0.050 0.27
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 2.9 +0.30 3.2
Identified Particles : pT
π+
ALICE_2011_I885104 900 2.2 -0.20 2.0
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 2.7 -0.10 2.6
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 8.2 0 8.2
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 4.0 +0.50 4.5
Identified Particles : pT
p
ALICE_2011_I885104 900 4.9 -0.60 4.3
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 2.3 +0.30 2.6
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 n/a - 1.9
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] 19* -1.0 18*
<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 16 0 16
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 25 -1.0 24*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 34 +1.0 35*
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 0.72 +0.010 0.73

* 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.