Generator / tune

Details for Pythia 8.313 ropes 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 2.1 +3.9 6.0
LHCB_2013_I1218996 7000 3.6 -0.10 3.5
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 - 2.5
LHCB_2013_I1218996 7000 2.5 +0.10 2.6
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 - 1.1
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 1.6 -1.4 0.22
LHCB_2013_I1218996 7000 2.2* +0.60 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 2.0 -1.4 0.65
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 3.8 -1.6 2.2
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - 1.8
LHCB_2013_I1218996 7000 13 -3.0 10
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 - 1.0
K0S2pippim_pt
ALICE_2020_I1797443 13000 8.0 +0.90 8.9
Identified Particles : pT
K0S
ALICE_2011_I881474 900 10 0 10
ALICE_2020_I1797443 13000 6.2 +0.40 6.6
LHCB_2010_I865584 900 2.7 0 2.7
STAR_2006_I722757 200 n/a - 13
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.1 +0.100 1.2
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 4.8 +0.20 5.0
ALICE_2020_I1797443 13000 3.7 -0.10 3.6
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 7.1 +1.0 8.1
Identified Particles : pT
K-
ALICE_2011_I885104 900 3.6 +0.20 3.8
STAR_2006_I722757 200 21 0 21
STAR_2008_I793126 200 2.8 0 2.8
Identified Particles : pT
K+
ALICE_2011_I885104 900 4.7 -0.10 4.6
STAR_2006_I722757 200 17 +1.0 18
STAR_2008_I793126 200 3.4 -1.3 2.1
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 5.8 -0.20 5.6
ALICE_2020_I1797443 13000 5.3 +0.40 5.7
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 7.5 +0.80 8.3
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 7.2 +0.70 7.9
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 0.68 +0.42 1.1
ALICE_2020_I1797443 13000 1.2 -0.22 0.98
LLbar_pt
ALICE_2020_I1797443 13000 4.2 +1.3 5.5
Identified Particles : pT
Λ
ALICE_2011_I881474 900 9.1 -0.100 9.0
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 0.37 +0.050 0.42
LHCB_2013_I1218996 7000 4.7 +2.2 6.9
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 0.85 +1.2 2.0
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 0.58 -0.36 0.22
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 1.1 +0.40 1.5
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 0.63 +0.100 0.73
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 0.14 -0.010 0.13
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 0.42 +0.34 0.76
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 1.4 -0.100 1.3
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 1.7 -0.30 1.4
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 5.3 -1.0 4.3
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 3.1 +1.3 4.4
Omegapm_pt
ALICE_2020_I1797443 13000 3.3 +20 23
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 0.98 +0.42 1.4
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 0.90 +0.050 0.95
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 0.96 -0.070 0.89
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 0.79 -0.030 0.76
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 2.3 +2.2 4.5
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 0.47 +0.34 0.81
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - 3.6
Xi2phi_pt
ALICE_2020_I1797443 13000 3.2 -0.10 3.1
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 3.7 -0.20 3.5
ALICE_2020_I1797443 13000 12 +18 30
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 0.30 -0.040 0.26
<pT> vs Nch
ALICE_2010_I860416 900 0.78* -0.070 0.71*
ATLAS_2010_I849050 900 0.81 - n/a
CDF_2002_I567774 [630..1800] 2.5 -0.10 2.4
CDF_2009_I817466 1960 n/a - 1.0
CMS_2013_I1261026 7000 0.59 0 0.59
UA1_1990_I280412 [63..900] 2.4* -0.20 2.2*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 7.6 +0.20 7.8
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.73 -0.040 0.69
EM energy spectrum
CMS_2017_I1511284 13000 2.7 +0.90 3.6
Hadronic energy spectrum
CMS_2017_I1511284 13000 47 +10 57
Total energy spectrum
CMS_2017_I1511284 13000 19 +3.0 22
η Distributions
ALICE_2010_I852264 [900..7000] 0.51 +0.050 0.56
ATLAS_2010_I849050 900 1.8 +0.100 1.9
CDF_1990_I283352 [630..1800] 9.1 +0.100 9.2
CMS_2015_I1384119 13000 0.78 +0.010 0.79
TOTEM_2012_I1115294 7000 0.095 +0.015 0.11
UA5_1982_I176647 53 14 0 14
UA5_1986_I233599 [200..900] 4.7 -0.30 4.4
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 7.2 -0.10 7.1
Identified Particles : pT
η
ALICE_2012_I1116147 7000 1.2 -0.20 1.0
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 18 -1.0 17
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 31 -2.0 29
Jet pT
CMS_2013_I1261026 7000 n/a - n/a
STAR_2006_I723509 200 20* -2.0 18*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.62 -0.13 0.49
Diffraction
ξ
ATLAS_2019_I1762584 8000 75 +5.0 80
n.E
LHCF_2020_I1783943 13000 130 +110 240
n.avgk
LHCF_2020_I1783943 13000 5.1 -0.100 5.0
n.eflow
LHCF_2020_I1783943 13000 35 -1.0 34
n.k
LHCF_2020_I1783943 13000 83 +17 100
Multiplicity Distributions
ALICE_2010_I852264 7000 3.5 -0.30 3.2
ALICE_2010_I852450 [900..2360] 4.1 +0.20 4.3
ATLAS_2010_I849050 900 1.6 - n/a
CDF_2002_I567774 [630..1800] 26 +10 36
CDF_2009_NOTE_9936 1960 n/a - 28
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 28 +3.0 31
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 2.5* +1.4 3.9*
Identified Particles : Ratios
p/π+ vs pT
ALICE_2020_I1797443 13000 9.6 +1.4 11
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 -10 150
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] 0.69 -0.050 0.64
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 -6.0 25
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 12 +1.0 13
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 13 0 13
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 5.1 +0.50 5.6
phi2pippim_pt
ALICE_2020_I1797443 13000 18 +3.0 21
Identified Particles : pT
φ
ALICE_2011_I881474 900 1.9 +0.40 2.3
ALICE_2020_I1797443 13000 14 +5.0 19
ATLAS_2014_I1282441 7000 0.54 -0.060 0.48
LHCB_2011_I919315 7000 6.5 +0.20 6.7
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 0.43 -0.30 0.13
LHCB_2011_I919315 7000 1.3 +0.40 1.7
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 1.9* -0.20 1.7*
LHCF_2012_I1115479 7000 3.8 +0.30 4.1
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] 0.44 -0.16 0.28
Identified Particles : pT
π-
ALICE_2011_I885104 900 2.6 0 2.6
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 4.0 +0.90 4.9
Identified Particles : pT
π+
ALICE_2011_I885104 900 3.3 -0.100 3.2
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 4.2 -0.30 3.9
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 4.1 0 4.1
ALICE_2020_I1797443 13000 8.2 +2.8 11
Identified Particles : pT
pbar
ALICE_2011_I885104 900 13 0 13
Identified Particles : pT
p
ALICE_2011_I885104 900 21 0 21
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 18 0 18
ALICE_2020_I1797443 13000 24 +4.0 28
pT Distributions
ALICE_2010_I860416 900 4.6 -0.50 4.1
ATLAS_2010_I849050 900 4.1 -0.50 3.6
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 12* -1.0 11*
<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 78 +32 110
Diffraction
|t|
ATLAS_2019_I1762584 8000 68 +10 78
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 7.7 +0.100 7.8
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 74 +2.0 76
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 27 +1.0 28
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.6 -0.20 2.4
CMS_2012_I1193338 7000 1.4 -0.20 1.2

* 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.