Generator / tune

Details for Pythia 8.313 tune-A2m 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 - n/a
ALICE_2022_I1868463 13000 10.0 +11 21
LHCB_2013_I1218996 7000 5.6 -0.50 5.1
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 - 3.2
LHCB_2013_I1218996 7000 6.7 -0.70 6.0
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 0.30 +0.80 1.1
LHCB_2013_I1218996 7000 2.9 -0.50 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 1.2 +0.30 1.5
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 1.8 +0.70 2.5
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 1.4 - n/a
LHCB_2013_I1218996 7000 6.5 0 6.5
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 1.00 - n/a
K0S2pippim_pt
ALICE_2020_I1797443 13000 19 0 19
Identified Particles : pT
K0S
ALICE_2011_I881474 900 19 -3.0 16
ALICE_2020_I1797443 13000 12 0 12
LHCB_2010_I865584 900 4.3 -0.30 4.0
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.99 +0.41 1.4
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 19 0 19
ALICE_2020_I1797443 13000 9.5 +0.20 9.7
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 22 +1.0 23
Identified Particles : pT
K-
ALICE_2011_I885104 900 6.8 0 6.8
STAR_2006_I722757 200 36 -18 18
STAR_2008_I793126 200 2.0 +1.0 3.0
Identified Particles : pT
K+
ALICE_2011_I885104 900 7.3 -0.90 6.4
STAR_2006_I722757 200 29 -17 12
STAR_2008_I793126 200 2.1 +2.3 4.4
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 9.5 -1.3 8.2
ALICE_2020_I1797443 13000 4.3 +0.10 4.4
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 5.4 -0.10 5.3
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 5.6 -0.80 4.8
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 31 +12 43
ALICE_2020_I1797443 13000 19 +1.0 20
LLbar_pt
ALICE_2020_I1797443 13000 66 +3.0 69
Identified Particles : pT
Λ
ALICE_2011_I881474 900 35 0 35
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 17 +1.0 18
LHCB_2013_I1218996 7000 100 0 100
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 38 +2.0 40
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 4.2 +2.9 7.1
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 8.1 -0.50 7.6
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 6.8 -0.50 6.3
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 7.7 -0.70 7.0
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 1.6 +0.70 2.3
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.1 +0.70 2.8
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 2.7 +0.90 3.6
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 25 -3.0 22
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 n/a - 86
Omegapm_pt
ALICE_2020_I1797443 13000 n/a - 190
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 13 +3.0 16
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 10 +3.0 13
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 n/a - 17
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 15 0 15
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 9.9 +1.1 11
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 18 +1.0 19
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 28 - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 12 +4.0 16
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 12 -1.0 11
ALICE_2020_I1797443 13000 140 +50 190
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 0.69 -0.020 0.67
<pT> vs Nch
ALICE_2010_I860416 900 1.5* 0 1.5*
ATLAS_2010_I849050 900 n/a - 0.75
CDF_2002_I567774 [630..1800] 2.5 +0.10 2.6
CDF_2009_I817466 1960 n/a - 1.2
CMS_2013_I1261026 7000 1.1 -0.39 0.71
UA1_1990_I280412 [63..900] 1.5* -0.71 0.79*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 4.8 -0.80 4.0
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.52 +0.090 0.61
EM energy spectrum
CMS_2017_I1511284 13000 5.8 -1.4 4.4
Hadronic energy spectrum
CMS_2017_I1511284 13000 37 0 37
Total energy spectrum
CMS_2017_I1511284 13000 13 -3.0 10
η Distributions
ALICE_2010_I852264 [900..7000] 0.12 +0.11 0.23
ATLAS_2010_I849050 900 0.23 +0.030 0.26
CDF_1990_I283352 [630..1800] 3.1 +0.60 3.7
CMS_2015_I1384119 13000 0.095 +0.025 0.12
TOTEM_2012_I1115294 7000 0.056 +0.094 0.15
UA5_1982_I176647 53 4.6 +27 32
UA5_1986_I233599 [200..900] 4.0 +1.7 5.7
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 7.1 +0.60 7.7
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.68 -0.010 0.67
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 14 +23 37
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 10 +37 47
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 0.63* +27 28*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.93 +0.050 0.98
Diffraction
ξ
ATLAS_2019_I1762584 8000 74 +2.0 76
n.E
LHCF_2020_I1783943 13000 140 +50 190
n.avgk
LHCF_2020_I1783943 13000 5.0 -0.40 4.6
n.eflow
LHCF_2020_I1783943 13000 39 +2.0 41
n.k
LHCF_2020_I1783943 13000 47 -5.0 42
Multiplicity Distributions
ALICE_2010_I852264 7000 2.1 +1.3 3.4
ALICE_2010_I852450 [900..2360] 3.2 -1.4 1.8
ATLAS_2010_I849050 900 n/a - 0.86
CDF_2002_I567774 [630..1800] 5.5 +24 29
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 25* +16 41
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 0.16* +1.7 1.9*
Identified Particles : Ratios
p/π+ vs pT
ALICE_2020_I1797443 13000 n/a - 3.2
STAR_2006_I709170 200 n/a - n/a
Identified Particles : pT
p
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 120 +30 150
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] 1.5 0 1.5
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 31 +13 44
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 6.7 +1.4 8.1
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 2.7 -0.10 2.6
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 4.2 -0.40 3.8
phi2pippim_pt
ALICE_2020_I1797443 13000 32 +1.0 33
Identified Particles : pT
φ
ALICE_2011_I881474 900 3.7 -0.60 3.1
ALICE_2020_I1797443 13000 28 +3.0 31
ATLAS_2014_I1282441 7000 3.9 -0.70 3.2
LHCB_2011_I919315 7000 7.8 +1.4 9.2
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 2.6 -0.40 2.2
LHCB_2011_I919315 7000 7.3 +1.5 8.8
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 2.3* -0.70 1.6*
LHCF_2012_I1115479 7000 2.2 +0.90 3.1
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] 0.13 +0.070 0.20
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 3.1 -0.40 2.7
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 3.1 +1.00 4.1
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 3.9 -0.20 3.7
ALICE_2020_I1797443 13000 7.7 +0.40 8.1
Identified Particles : pT
pbar
ALICE_2011_I885104 900 6.1 -0.80 5.3
Identified Particles : pT
p
ALICE_2011_I885104 900 5.4 -0.60 4.8
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 4.5 -0.90 3.6
ALICE_2020_I1797443 13000 n/a - 8.3
pT Distributions
ALICE_2010_I860416 900 n/a - 4.6
ATLAS_2010_I849050 900 n/a - 4.1
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 18* -5.0 13*
<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 83 +27 110
Diffraction
|t|
ATLAS_2019_I1762584 8000 69 +5.0 74
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 7.2 +4.8 12
CDF_2009_I817466 1960 n/a - 2.0
UA1_1990_I280412 [200..900] 36 +16 52
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 24 +4.0 28
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.8 0 2.8
CMS_2012_I1193338 7000 1.7 -0.100 1.6

* 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.