Generator / tune

Details for Pythia 6.426 350 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 3.0 - n/a
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 6.8 +0.50 7.3
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 n/a - 3.0
LHCB_2013_I1218996 7000 5.5 +2.8 8.3
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 - n/a
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 0.48 +2.1 2.6
LHCB_2013_I1218996 7000 3.5* +1.8 5.3*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 1.9 +2.2 4.1
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 3.6 +1.3 4.9
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 3.5 +1.2 4.7
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 13 0 13
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 6.6 +0.10 6.7
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.77 +0.43 1.2
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 14 0 14
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 16 0 16
Identified Particles : pT
K-
ALICE_2011_I885104 900 5.8 +0.20 6.0
STAR_2006_I722757 200 23 -5.0 18
STAR_2008_I793126 200 2.3 +0.60 2.9
Identified Particles : pT
K+
ALICE_2011_I885104 900 5.0 0 5.0
STAR_2006_I722757 200 11 +3.0 14
STAR_2008_I793126 200 2.5 -1.0 1.5
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 3.6 +0.30 3.9
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 -1.0 42
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 34 +1.0 35
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 60 -21 39
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] 7.7 -1.6 6.1
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 5.8 -1.1 4.7
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 4.4 -0.20 4.2
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.7 -0.40 1.3
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.6 -0.30 2.3
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 3.8 -1.0 2.8
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 23 +2.0 25
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 6.6 +0.10 6.7
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 6.0 0 6.0
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 9.3 -3.2 6.1
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 7.3 -0.80 6.5
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 16 -1.0 15
Xi2phi_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 9.6 -0.20 9.4
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 0.21 +0.48 0.69
<pT> vs Nch
ALICE_2010_I860416 900 0.53* -0.070 0.46*
ATLAS_2010_I849050 900 0.42 +0.040 0.46
CDF_2002_I567774 [630..1800] n/a - 1.5
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.32 -0.070 0.25
UA1_1990_I280412 [63..900] 1.4* 0 1.4*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 59 +2.0 61
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.30* +150 150*
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] 1.4 +0.10 1.5*
ATLAS_2010_I849050 900 0.12 -0.020 0.10
CDF_1990_I283352 [630..1800] n/a - 3.6
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 8.7 0 8.7
UA5_1982_I176647 53 2.0 +0.10 2.1
UA5_1986_I233599 [200..900] 10 -0.20 9.8
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 0.50 +0.010 0.51
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 9.3 -0.40 8.9
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 29 -1.0 28
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 1.6* -1.2 0.41*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.54 +0.070 0.61
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 3.0 -0.30 2.7
ALICE_2010_I852450 [900..2360] 3.6 +1.5 5.1*
ATLAS_2010_I849050 900 0.71 -0.030 0.68
CDF_2002_I567774 [630..1800] n/a - 11
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 16* 0 16*
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 4.3* -0.20 4.1*
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 200 160 -50 110
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] 1.6 +0.50 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 +3.0 32
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 4.3 0 4.3
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 4.5 +1.7 6.2
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.3 -0.60 6.7
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.4 -0.10 3.3
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 3.0 -0.70 2.3
LHCB_2011_I919315 7000 9.7 -1.9 7.8
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 2.0 -0.50 1.5
LHCB_2011_I919315 7000 9.2 -1.3 7.9
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 1.7* -0.100 1.6*
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] 0.20 -0.040 0.16
Identified Particles : pT
π-
ALICE_2011_I885104 900 1.8 +0.100 1.9
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.0 +0.20 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 2.5 -0.30 2.2
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 5.3 +0.50 5.8
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 5.1 0 5.1
Identified Particles : pT
p
ALICE_2011_I885104 900 4.8 -0.50 4.3
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 2.9 0 2.9
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 4.7 -0.20 4.5
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] 31* -2.0 29*
<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 59 -4.0 55
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 34* -1.0 33*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 35* 0 35*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.3 +0.10 2.4
CMS_2012_I1193338 7000 0.70 +0.010 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.