Generator / tune

Details for Pythia 6.426 p2010 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 7.9 - n/a
ALICE_2022_I1868463 13000 n/a - n/a
LHCB_2013_I1218996 7000 5.8 -0.40 5.4
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 5.0 -2.1 2.9
LHCB_2013_I1218996 7000 3.8 +0.20 4.0
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 0.83 +0.14 0.97
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 1.3 +0.40 1.7
LHCB_2013_I1218996 7000 3.8* -1.0 2.8
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 0.74 +0.76 1.5
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 0.99 -0.030 0.96
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 3.4 0 3.4
LHCB_2013_I1218996 7000 8.7 -0.50 8.2
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 1.1 -0.35 0.75
K0S2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
K0S
ALICE_2011_I881474 900 8.9 -2.4 6.5
ALICE_2020_I1797443 13000 n/a - n/a
LHCB_2010_I865584 900 4.9 -0.10 4.8
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.1 -0.12 0.98
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 8.8 +0.100 8.9
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 11 0 11
Identified Particles : pT
K-
ALICE_2011_I885104 900 3.7 -0.30 3.4
STAR_2006_I722757 200 7.2 +3.8 11
STAR_2008_I793126 200 2.4 +0.40 2.8
Identified Particles : pT
K+
ALICE_2011_I885104 900 3.3 -0.100 3.2
STAR_2006_I722757 200 6.8 -1.7 5.1
STAR_2008_I793126 200 3.7 -1.5 2.2
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 5.4 +0.100 5.5
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 +7.0 100
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 82 -36 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] 17 -1.0 16
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 13 -1.0 12
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 13 -1.0 12
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 0.40 +0.46 0.86
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 1.4 +0.20 1.6
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 1.3 +0.60 1.9
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 29 -1.0 28
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 13 +1.0 14
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 9.9 +0.100 10
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 13 -1.0 12
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 14 +1.0 15
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 9.9 -0.30 9.6
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 0.42 +0.39 0.81
<pT> vs Nch
ALICE_2010_I860416 900 0.12* -0.056 0.064*
ATLAS_2010_I849050 900 0.44 -0.19 0.25
CDF_2002_I567774 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 0.40 +0.55 0.95
UA1_1990_I280412 [63..900] 5.1* +0.10 5.2*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 58 -1.0 57
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.22* +0.11 0.33*
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] 8.0* +0.20 8.2*
ATLAS_2010_I849050 900 0.049 -0.018 0.031
CDF_1990_I283352 [630..1800] n/a - n/a
CMS_2015_I1384119 13000 n/a - n/a
TOTEM_2012_I1115294 7000 13 0 13
UA5_1982_I176647 53 4.6 0 4.6
UA5_1986_I233599 [200..900] 9.0 -0.70 8.3
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 18 0 18
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.47 -0.060 0.41
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 24 +1.0 25
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 40 +1.0 41
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 n/a - 6.1*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.39 +0.030 0.42
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 16 +1.0 17
ALICE_2010_I852450 [900..2360] 8.6* -0.70 7.9*
ATLAS_2010_I849050 900 0.66 -0.12 0.54
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] 17* 0 17*
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 14* -1.0 13*
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 85 +15 100
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] 1.2 -0.20 1.00
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 +2.0 26
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 2.5 +0.10 2.6
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 6.4 +1.3 7.7
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 8.9 0 8.9
phi2pippim_pt
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.3 -0.90 2.4
ALICE_2020_I1797443 13000 n/a - n/a
ATLAS_2014_I1282441 7000 3.7 0 3.7
LHCB_2011_I919315 7000 15 0 15
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 2.4 +0.10 2.5
LHCB_2011_I919315 7000 15 0 15
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 1.2* -0.47 0.73*
LHCF_2012_I1115479 7000 11 -1.0 10
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 -0.12 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 6.0 +2.9 8.9
Identified Particles : pT
π+
ALICE_2011_I885104 900 4.1 -0.30 3.8
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 6.4 +0.70 7.1
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 4.5 +0.30 4.8
ALICE_2020_I1797443 13000 n/a - n/a
Identified Particles : pT
pbar
ALICE_2011_I885104 900 4.8 -0.30 4.5
Identified Particles : pT
p
ALICE_2011_I885104 900 4.0 -0.40 3.6
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 2.6 +0.30 2.9
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 2.8 +0.20 3.0
ATLAS_2010_I849050 900 1.7 -0.20 1.5
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 28* -11 17*
<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 230 +10 240
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 49* 0 49*
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 24* +1.0 25*
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.3 +0.20 2.5
CMS_2012_I1193338 7000 0.74 +0.030 0.77

* 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 632 histograms.