Generator / tune

Details for Pythia 8.313 dire-default vs. 8.315

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 - n/a
ALICE_2022_I1868463 13000 - 330
LHCB_2013_I1218996 7000 - 20
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 - n/a
Identified Particles : σ
D0
ALICE_2017_I1511870 7000 - n/a
Identified Particles : pT
D+
ALICE_2017_I1511870 7000 - 7.8
LHCB_2013_I1218996 7000 - 15
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 - n/a
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 - n/a
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 - 4.2
LHCB_2013_I1218996 7000 - 7.2
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 - 0.35
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 - 0.61
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 - 2.2
LHCB_2013_I1218996 7000 - 6.0
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 - n/a
K0S2pippim_pt
ALICE_2020_I1797443 13000 - 16
Identified Particles : pT
K0S
ALICE_2011_I881474 900 - 6.1
ALICE_2020_I1797443 13000 - 980
LHCB_2010_I865584 900 - 2.4
STAR_2006_I722757 200 - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] - 1.0
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 - 7.9
ALICE_2020_I1797443 13000 - 13
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] - 11
Identified Particles : pT
K-
ALICE_2011_I885104 900 - 4.6
STAR_2006_I722757 200 - 30
STAR_2008_I793126 200 - 2.9
Identified Particles : pT
K+
ALICE_2011_I885104 900 - 4.6
STAR_2006_I722757 200 - 28
STAR_2008_I793126 200 - 2.8
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 - 5.5
ALICE_2020_I1797443 13000 - 460
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 - 11
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 - 210
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 - 65
ALICE_2020_I1797443 13000 - 29
LLbar_pt
ALICE_2020_I1797443 13000 - 670
Identified Particles : pT
Λ
ALICE_2011_I881474 900 - 13
STAR_2006_I722757 200 - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 - 49
LHCB_2013_I1218996 7000 - 20
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 - 38
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 - 9.8
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] - 9.9
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] - 7.6
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] - 8.5
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] - 1.7
STAR_2006_I722757 200 - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] - 2.5
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] - 2.9
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 - 8.3
STAR_2006_I722757 200 - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 - 74
Omegapm_pt
ALICE_2020_I1797443 13000 - 260
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 - 5.6
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 - 5.7
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 - 7.6
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 - 7.1
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 - 26
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 - 19
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 - 12
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 - 5.9
ALICE_2020_I1797443 13000 - 880
Identified Particles : pT
Ξ-
STAR_2006_I722757 200 - n/a
Identified Particles : Ratios
Ξ+/Ξ- vs pT
STAR_2006_I722757 200 - n/a
Identified Particles : pT
Ξ+
STAR_2006_I722757 200 - n/a
<pT>j vs Nch
CMS_2013_I1261026 7000 - 0.15
<pT> vs Nch
ALICE_2010_I860416 900 - 1.7
ATLAS_2010_I849050 900 - 1.6
CDF_2002_I567774 [630..1800] - 4.0
CDF_2009_I817466 1960 - 2.6
CMS_2013_I1261026 7000 - 1.5
UA1_1990_I280412 [63..900] - 0.25*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 - n/a
Energy flow
LHCB_2013_I1208105 7000 - 15*
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] - 5.9
EM energy spectrum
CMS_2017_I1511284 13000 - 3,300
Hadronic energy spectrum
CMS_2017_I1511284 13000 - 3,600
Total energy spectrum
CMS_2017_I1511284 13000 - 3,800
η Distributions
ALICE_2010_I852264 [900..7000] - 67
ATLAS_2010_I849050 900 - 17
CDF_1990_I283352 [630..1800] - 31
CMS_2015_I1384119 13000 - 340
TOTEM_2012_I1115294 7000 - 2.2
UA5_1982_I176647 53 - 36
UA5_1986_I233599 [200..900] - 27
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 - 11
Identified Particles : pT
η
ALICE_2012_I1116147 7000 - 6.3
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] - 78
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] - 100
Jet pT
CMS_2013_I1261026 7000 - 1.8*
STAR_2006_I723509 200 - 93*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 - 2.1
Diffraction
ξ
ATLAS_2019_I1762584 8000 - 88
n.E
LHCF_2020_I1783943 13000 - 4,400
n.avgk
LHCF_2020_I1783943 13000 - 7.3
n.eflow
LHCF_2020_I1783943 13000 - 2,800
n.k
LHCF_2020_I1783943 13000 - 4,500
Multiplicity Distributions
ALICE_2010_I852264 7000 - 9.1
ALICE_2010_I852450 [900..2360] - 380
ATLAS_2010_I849050 900 - 31
CDF_2002_I567774 [630..1800] - 160
CDF_2009_NOTE_9936 1960 - 120
STAR_2008_I793126 200 - n/a
UA1_1990_I280412 [200..900] - 110
UA5_1987_I244829 546 - n/a
UA5_1989_I267179 [200..900] - n/a
Jet Multiplicities
Nj vs Nch
CMS_2013_I1261026 7000 - 4.6
Identified Particles : Ratios
p/π+ vs pT
ALICE_2020_I1797443 13000 - 7.6
STAR_2006_I709170 200 - n/a
Identified Particles : pT
p
STAR_2006_I709170 200 - n/a
STAR_2008_I793126 200 - 130
Identified Particles : Ratios
pbar/p vs pT
STAR_2006_I709170 200 - n/a
Identified Particles : Ratios
pbar/p vs |y|
LHCB_2012_I1119400 [900..7000] - 1.7
Identified Particles : Ratios
pbar/π vs pT
STAR_2006_I709170 200 - n/a
Identified Particles : pT
pbar
STAR_2006_I709170 200 - n/a
STAR_2008_I793126 200 - 34
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] - 2.9
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 - 3.4
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] - 3.9
phi2pippim_pt
ALICE_2020_I1797443 13000 - 36
Identified Particles : pT
φ
ALICE_2011_I881474 900 - 0.19
ALICE_2020_I1797443 13000 - 360
ATLAS_2014_I1282441 7000 - 1.1
LHCB_2011_I919315 7000 - 2.4
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 - 0.68
LHCB_2011_I919315 7000 - 2.6
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] - 3.2*
LHCF_2012_I1115479 7000 - 1.1*
Identified Particles : Ratios
π-/π+ vs pT
STAR_2006_I709170 200 - n/a
Identified Particles : Ratios
π-/π+ vs |y|
LHCB_2012_I1119400 [900..7000] - 0.30
Identified Particles : pT
π-
ALICE_2011_I885104 900 - 19
STAR_2006_I709170 200 - n/a
STAR_2008_I793126 200 - 3.6
Identified Particles : pT
π+
ALICE_2011_I885104 900 - 17
STAR_2006_I709170 200 - n/a
STAR_2008_I793126 200 - 4.5
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 - 23
ALICE_2020_I1797443 13000 - 530
Identified Particles : pT
pbar
ALICE_2011_I885104 900 - 8.4
Identified Particles : pT
p
ALICE_2011_I885104 900 - 9.1
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 - 10
ALICE_2020_I1797443 13000 - 300
pT Distributions
ALICE_2010_I860416 900 - 12
ATLAS_2010_I849050 900 - 7.3
CDF_1988_I263320 [630..1800] - n/a
CDF_2009_I817466 1960 - n/a
UA1_1990_I280412 [200..900] - 10.0
<pT> vs mass
ALICE_2011_I885104 900 - n/a
ALICE_2014_I1300380 7000 - n/a
STAR_2006_I722757 200 - n/a
Diffraction
Δη
ATLAS_2019_I1762584 8000 - 680,000,000
Diffraction
|t|
ATLAS_2019_I1762584 8000 - 100
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 - 15
CDF_2009_I817466 1960 - 47
UA1_1990_I280412 [200..900] - 110
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] - 37
Diffractive ξ
CMS_2012_I1184941 7000 - n/a
Cross sections
ATLAS_2011_I894867 7000 - 0.67
CMS_2012_I1193338 7000 - 0.34

* 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 318 histograms.