Generator / tune

Details for Pythia 6.427 358 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 2.9 +1.9 4.8
ALICE_2022_I1868463 13000 8.5 - n/a
LHCB_2013_I1218996 7000 5.8 +0.90 6.7
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 2.6 - n/a
LHCB_2013_I1218996 7000 7.0 +2.1 9.1
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 0.51 - n/a
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.31 +0.38 0.69
LHCB_2013_I1218996 7000 2.8 +1.4 4.2
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.83 +0.67 1.5
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 1.5 -0.58 0.92
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - 2.4
LHCB_2013_I1218996 7000 4.3 0 4.3
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 - 0.65
K0S2pippim_pt
ALICE_2020_I1797443 13000 14 - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 4.8 -0.60 4.2
ALICE_2020_I1797443 13000 4.9 - n/a
LHCB_2010_I865584 900 5.1 +0.20 5.3
STAR_2006_I722757 200 7.5 - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.0 +0.10 1.1
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 14 -1.0 13
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 17 -1.0 16
Identified Particles : pT
K-
ALICE_2011_I885104 900 2.5 -0.80 1.7
STAR_2006_I722757 200 12 +4.0 16
STAR_2008_I793126 200 2.9 -0.20 2.7
Identified Particles : pT
K+
ALICE_2011_I885104 900 2.1 -0.20 1.9
STAR_2006_I722757 200 11 +2.0 13
STAR_2008_I793126 200 3.8 -0.60 3.2
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.2 -0.20 3.0
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 6.1 - n/a
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 2.2 - n/a
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 41 +6.0 47
ALICE_2020_I1797443 13000 13 - n/a
LLbar_pt
ALICE_2020_I1797443 13000 39 - n/a
Identified Particles : pT
Λ
ALICE_2011_I881474 900 22 +2.0 24
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 10 - n/a
LHCB_2013_I1218996 7000 53 +10 63
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 25 - n/a
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 3.1 - n/a
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 8.0 -1.7 6.3
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 6.1 -1.2 4.9
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 5.0 -0.80 4.2
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.4 +0.60 2.0
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.1 +0.40 2.5
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 2.8 +0.60 3.4
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 16 -1.0 15
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 5.8 -0.40 5.4
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 6.5 -2.6 3.9
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 9.0 -3.1 5.9
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 6.1 +1.1 7.2
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 4.9 - n/a
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 12 - n/a
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 17 -2.0 15
Xi2phi_pt
ALICE_2020_I1797443 13000 7.3 - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 6.2 +1.2 7.4
ALICE_2020_I1797443 13000 59 - 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 0.100 +0.41 0.51
<pT> vs Nch
ALICE_2010_I860416 900 0.66* -0.23 0.43
ATLAS_2010_I849050 900 0.80 +0.090 0.89
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.11 +0.15 0.26
UA1_1990_I280412 [63..900] 1.3* -0.10 1.2*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 55 +6.0 61
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.87* -0.53 0.34*
EM energy spectrum
CMS_2017_I1511284 13000 170 - n/a
Hadronic energy spectrum
CMS_2017_I1511284 13000 18 - n/a
Total energy spectrum
CMS_2017_I1511284 13000 95 - n/a
η Distributions
ALICE_2010_I852264 [900..7000] 0.45* -0.030 0.42*
ATLAS_2010_I849050 900 4.1 +0.20 4.3
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 1.9 - n/a
TOTEM_2012_I1115294 7000 8.7 -0.20 8.5
UA5_1982_I176647 53 8.2 +0.10 8.3
UA5_1986_I233599 [200..900] 3.0 0 3.0
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 0.80 -0.23 0.57
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 45 +2.0 47
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 74 +2.0 76
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 19* -3.0 16*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.65 +0.070 0.72
Diffraction
ξ
ATLAS_2019_I1762584 8000 87 - n/a
n.E
LHCF_2020_I1783943 13000 35 - n/a
n.avgk
LHCF_2020_I1783943 13000 0.15 - n/a
n.eflow
LHCF_2020_I1783943 13000 26 - n/a
n.k
LHCF_2020_I1783943 13000 140 - n/a
Multiplicity Distributions
ALICE_2010_I852264 7000 2.7 -0.20 2.5
ALICE_2010_I852450 [900..2360] 6.3* +0.40 6.7*
ATLAS_2010_I849050 900 13 0 13
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] 48* +2.0 50*
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 3.3* -1.3 2.0*
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 200 120 +10 130
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 -0.40 1.7
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 26 +1.0 27
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 4.7 -0.50 4.2
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 4.9 +0.70 5.6
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.7 -0.20 7.5
phi2pippim_pt
ALICE_2020_I1797443 13000 23 - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 2.1 -1.3 0.81
ALICE_2020_I1797443 13000 16 - n/a
ATLAS_2014_I1282441 7000 2.2 +0.90 3.1
LHCB_2011_I919315 7000 10 -1.5 8.5
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 1.5 +0.60 2.1
LHCB_2011_I919315 7000 9.4 -1.2 8.2
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 1.1* +0.100 1.2*
LHCF_2012_I1115479 7000 12 0 12
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] 0.21 +0.030 0.24
Identified Particles : pT
π-
ALICE_2011_I885104 900 4.7 +0.30 5.0
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.9 -0.70 3.2
Identified Particles : pT
π+
ALICE_2011_I885104 900 4.3 +0.40 4.7
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 5.0 -0.90 4.1
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 5.2 +0.40 5.6
ALICE_2020_I1797443 13000 7.1 - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 3.5 +0.80 4.3
Identified Particles : pT
p
ALICE_2011_I885104 900 5.9 -0.80 5.1
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 2.8 +0.40 3.2
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 n/a - 2.4
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] 8.1* +1.9 10.0*
<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 59 - n/a
Diffraction
|t|
ATLAS_2019_I1762584 8000 68 - n/a
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 59 +5.0 64
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 56* +2.0 58*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 37* 0 37*
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 0.71 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.