Generator / tune

Details for Pythia 6.427 362 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 - 4.5
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 11 0 11
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 4.2 +0.60 4.8
LHCB_2013_I1218996 7000 3.6 +0.60 4.2
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 0.48 +0.49 0.97
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 2.0 -0.30 1.7
LHCB_2013_I1218996 7000 2.8 -0.40 2.4
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 -0.90 0.60
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 1.1 -0.40 0.70
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - 3.0
LHCB_2013_I1218996 7000 7.1 +12 19
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 - 2.5
K0S2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 - 11
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 - 5.9
STAR_2006_I722757 200 n/a - 5.3
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.2 -0.53 0.67
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 13 -1.0 12
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 22 -7.0 15
Identified Particles : pT
K-
ALICE_2011_I885104 900 - 4.1
STAR_2006_I722757 200 7.2 +1.00 8.2
STAR_2008_I793126 200 3.1 -0.70 2.4
Identified Particles : pT
K+
ALICE_2011_I885104 900 - 4.8
STAR_2006_I722757 200 6.1 +0.50 6.6
STAR_2008_I793126 200 2.5 +0.10 2.6
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 11 -2.8 8.2
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 - 93
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 - 41
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 92 -28 64
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] 17 +1.0 18
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 14 0 14
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 14 0 14
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 0.83 +0.57 1.4
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 0.67 +1.3 2.0
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 0.85 +2.1 2.9
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 - 29
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 18 -4.0 14
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 n/a - 11
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 18 -1.0 17
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 18 -2.0 16
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 - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 - 10
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 1.7 -1.1 0.60
<pT> vs Nch
ALICE_2010_I860416 900 - 0.33*
ATLAS_2010_I849050 900 - 0.15
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.60 -0.33 0.27
UA1_1990_I280412 [63..900] 3.7* -0.20 3.5*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 88 +1.0 89
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 1.2* -0.86 0.34*
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] 13* -6.4 6.6*
ATLAS_2010_I849050 900 - 0.090
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 16 -1.0 15
UA5_1982_I176647 53 3.8 +0.30 4.1
UA5_1986_I233599 [200..900] 7.8 -0.30 7.5
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 21 0 21
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.38 +0.20 0.58
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 15 -2.0 13
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 35 +1.0 36
Jet pT
CMS_2013_I1261026 7000 n/a - 3.9*
STAR_2006_I723509 200 13* -1.0 12*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.32 +0.13 0.45
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 22 - n/a
ALICE_2010_I852450 [900..2360] n/a - 5.2*
ATLAS_2010_I849050 900 - 1.2
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] 11* +1.0 12*
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 20* -5.0 15*
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 84 +26 110
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] 1.1 +0.20 1.3
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 24 -5.0 19
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 1.5 +1.0 2.5
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 6.7 +0.50 7.2
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 12 -1.0 11
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 - 2.4
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 4.5 -0.100 4.4
LHCB_2011_I919315 7000 13 -1.0 12
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 3.2 -0.20 3.0
LHCB_2011_I919315 7000 15 -1.0 14
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] n/a - 0.41*
LHCF_2012_I1115479 7000 13 -1.0 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] 0.33 0 0.33
Identified Particles : pT
π-
ALICE_2011_I885104 900 - 2.6
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.7 +0.50 4.2
Identified Particles : pT
π+
ALICE_2011_I885104 900 - 2.7
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 4.0 +0.40 4.4
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 4.1 -0.80 3.3
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 - 4.9
Identified Particles : pT
p
ALICE_2011_I885104 900 - 4.2
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 3.6 -0.20 3.4
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 - 1.9
ATLAS_2010_I849050 900 - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 22* -3.0 19*
<pT> vs mass
ALICE_2011_I885104 900 - 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
Σ(ET)
ATLAS_2012_I1183818 7000 280 -20 260
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 46* 0 46*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 31* +2.0 33*
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 0.82 0 0.82

* 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 568 histograms.