Generator / tune

Details for Pythia 6.426 p0 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 12 - n/a
LHCB_2013_I1218996 7000 12 +3.0 15
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 4.7 0 4.7
LHCB_2013_I1218996 7000 4.8 -1.0 3.8
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 0.96 +0.44 1.4
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 1.2 -0.54 0.66
LHCB_2013_I1218996 7000 2.5 0 2.5
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 1.4 +0.80 2.2
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 2.7 +0.100 2.8
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 3.6 -0.30 3.3
LHCB_2013_I1218996 7000 24 -10 14
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 0.49 +0.47 0.96
K0S2pippim_pt
ALICE_2020_I1797443 13000 12 - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 13 +1.0 14
ALICE_2020_I1797443 13000 19 - n/a
LHCB_2010_I865584 900 6.6 -0.100 6.5
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.0 -0.070 0.93
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 13 0 13
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 16 +1.0 17
Identified Particles : pT
K-
ALICE_2011_I885104 900 6.9 -0.10 6.8
STAR_2006_I722757 200 7.4 -1.0 6.4
STAR_2008_I793126 200 3.1 -0.30 2.8
Identified Particles : pT
K+
ALICE_2011_I885104 900 6.8 +0.60 7.4
STAR_2006_I722757 200 4.7 -0.90 3.8
STAR_2008_I793126 200 2.2 +0.50 2.7
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 14 -1.0 13
ALICE_2020_I1797443 13000 n/a - n/a
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 7.4 - n/a
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 4.6 - n/a
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 110 0 110
ALICE_2020_I1797443 13000 22 - n/a
LLbar_pt
ALICE_2020_I1797443 13000 90 - n/a
Identified Particles : pT
Λ
ALICE_2011_I881474 900 45 -2.0 43
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 5.4* - n/a
LHCB_2013_I1218996 7000 100 +10 110
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 1.4 - n/a
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 16 +2.0 18
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 13 +1.0 14
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 13 +1.0 14
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.5 -0.10 1.4
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.8 -0.90 1.9
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 4.1 -1.2 2.9
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 30 +2.0 32
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 19 -1.0 18
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 13 0 13
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 18 -1.0 17
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 18 -1.0 17
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 4.7 - 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 n/a - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 9.1 - n/a
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 12 +1.0 13
ALICE_2020_I1797443 13000 91 - 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 1.1 +0.90 2.0
<pT> vs Nch
ALICE_2010_I860416 900 0.28* -0.050 0.23*
ATLAS_2010_I849050 900 n/a - 0.066
CDF_2002_I567774 [630..1800] n/a - 0.62*
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.39 +0.52 0.91
UA1_1990_I280412 [63..900] 4.3* -0.100 4.2*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 97 -5.0 92
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.47* +0.29 0.76*
EM energy spectrum
CMS_2017_I1511284 13000 370 - n/a
Hadronic energy spectrum
CMS_2017_I1511284 13000 150 - n/a
Total energy spectrum
CMS_2017_I1511284 13000 330 - n/a
η Distributions
ALICE_2010_I852264 [900..7000] 16* 0 16
ATLAS_2010_I849050 900 1.1 -0.10 1.0
CDF_1990_I283352 [630..1800] n/a - 6.0*
CMS_2015_I1384119 13000 32 - n/a
TOTEM_2012_I1115294 7000 17 0 17
UA5_1982_I176647 53 2.1 -0.10 2.0
UA5_1986_I233599 [200..900] 14 0 14
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 24 -1.0 23
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.90 -0.64 0.26
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 7.5 +1.4 8.9
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 25 +2.0 27
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 12* -2.1 9.9*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.39 -0.040 0.35
Diffraction
ξ
ATLAS_2019_I1762584 8000 n/a - n/a
n.E
LHCF_2020_I1783943 13000 29 - n/a
n.avgk
LHCF_2020_I1783943 13000 1.8 - n/a
n.eflow
LHCF_2020_I1783943 13000 53 - n/a
n.k
LHCF_2020_I1783943 13000 360 - n/a
Multiplicity Distributions
ALICE_2010_I852264 7000 31 -1.0 30
ALICE_2010_I852450 [900..2360] 14* 0 14
ATLAS_2010_I849050 900 n/a - 1.5
CDF_2002_I567774 [630..1800] n/a - 4.5*
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 18* 0 18*
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 28* -1.0 27*
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 -17 83
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] 1.3 -0.35 0.95
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 0 26
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.0 0 2.0
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 7.6 0 7.6
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 11 +1.0 12
phi2pippim_pt
ALICE_2020_I1797443 13000 21 - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.6 -0.50 3.1
ALICE_2020_I1797443 13000 25 - n/a
ATLAS_2014_I1282441 7000 5.7 -0.90 4.8
LHCB_2011_I919315 7000 14 +2.0 16
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 3.6 -0.40 3.2
LHCB_2011_I919315 7000 16 +2.0 18
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 0.75* +0.19 0.94*
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] 0.26 -0.050 0.21
Identified Particles : pT
π-
ALICE_2011_I885104 900 3.9 -0.10 3.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 3.3 +1.2 4.5
Identified Particles : pT
π+
ALICE_2011_I885104 900 3.8 -0.30 3.5
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 4.9 -0.20 4.7
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 6.3 -0.20 6.1
ALICE_2020_I1797443 13000 5.0 - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 6.9 -0.60 6.3
Identified Particles : pT
p
ALICE_2011_I885104 900 4.8 +0.70 5.5
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 5.6 -0.30 5.3
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 3.9 0 3.9
ATLAS_2010_I849050 900 1.3 - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 25* +4.0 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 360 -10 350
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 49* +3.0 52*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 30* 0 30*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.4 +0.10 2.5
CMS_2012_I1193338 7000 0.89 -0.050 0.84

* 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.