Generator / tune

Details for Pythia 8.306 pptherm vs. 8.307

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (8.306) Δ χ2+5% (8.307)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 n/a - n/a
ALICE_2022_I1868463 13000 3.8 -0.60 3.2
LHCB_2013_I1218996 7000 12 +1.0 13
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 - 4.5
LHCB_2013_I1218996 7000 10 +2.0 12
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 - 5.6
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 1.2 -0.20 1.0
LHCB_2013_I1218996 7000 9.0* -2.2 6.8
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 n/a - n/a
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 2.5 +0.70 3.2
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 2.0 -0.80 1.2
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 n/a - n/a
LHCB_2013_I1218996 7000 n/a - n/a
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
K0S2pippim_pt
ALICE_2020_I1797443 13000 3.8 +0.60 4.4
Identified Particles : pT
K0S
ALICE_2011_I881474 900 7.2 0 7.2
ALICE_2020_I1797443 13000 6.0 +0.30 6.3
LHCB_2010_I865584 900 2.3 +0.20 2.5
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.1 -0.11 0.99
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 2.8 0 2.8
ALICE_2020_I1797443 13000 2.1 0 2.1
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 1.2 +0.20 1.4
Identified Particles : pT
K-
ALICE_2011_I885104 900 2.6 0 2.6
STAR_2006_I722757 200 15 +4.0 19
STAR_2008_I793126 200 2.6 +1.2 3.8
Identified Particles : pT
K+
ALICE_2011_I885104 900 3.0 +0.20 3.2
STAR_2006_I722757 200 15 +3.0 18
STAR_2008_I793126 200 2.5 +1.8 4.3
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 5.6 -0.30 5.3
ALICE_2020_I1797443 13000 6.3 -0.40 5.9
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 3.4 -0.20 3.2
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 11 -1.1 9.9
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 410 +30 440
ALICE_2020_I1797443 13000 82 0 82
LLbar_pt
ALICE_2020_I1797443 13000 130 0 130
Identified Particles : pT
Λ
ALICE_2011_I881474 900 49 -1.0 48
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 17 -2.0 15
LHCB_2013_I1218996 7000 170 +10 180
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 32 -2.0 30
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 0.95 +1.1 2.0
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 61 -1.0 60
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 48 -1.0 47
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 55 -2.0 53
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 12 -1.0 11
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 8.4 -1.0 7.4
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 12 -2.0 10
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 49 +1.0 50
STAR_2006_I722757 200 n/a - n/a
Omega2phi_pt
ALICE_2020_I1797443 13000 0.82 +2.1 2.9
Omegapm_pt
ALICE_2020_I1797443 13000 0.49 +0.35 0.84
Identified Particles : pT
Σbar(1385)-
ALICE_2014_I1300380 7000 5.1 +2.3 7.4
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 5.3 +0.70 6.0
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 7.2 -1.3 5.9
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 4.1 +1.9 6.0
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 3.9 -0.10 3.8
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 7.8 -2.0 5.8
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 3.5 - n/a
Xi2phi_pt
ALICE_2020_I1797443 13000 50 -1.0 49
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 11 -1.6 9.4
ALICE_2020_I1797443 13000 68 -1.0 67
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 0.39 +0.14 0.53
<pT> vs Nch
ALICE_2010_I860416 900 2.8* -0.40 2.4*
ATLAS_2010_I849050 900 n/a - n/a
CDF_2002_I567774 [630..1800] 2.3 -0.20 2.1
CDF_2009_I817466 1960 n/a - n/a
CMS_2013_I1261026 7000 2.2 -0.20 2.0
UA1_1990_I280412 [63..900] 1.5* +0.10 1.6*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 n/a - n/a
Energy flow
LHCB_2013_I1208105 7000 3.0 -0.40 2.6
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 0.46 -0.10 0.36
EM energy spectrum
CMS_2017_I1511284 13000 4.2 0 4.2
Hadronic energy spectrum
CMS_2017_I1511284 13000 26 0 26
Total energy spectrum
CMS_2017_I1511284 13000 12 0 12
η Distributions
ALICE_2010_I852264 [900..7000] 0.40 +0.17 0.57
ATLAS_2010_I849050 900 2.5 +0.30 2.8
CDF_1990_I283352 [630..1800] 1.9 -0.20 1.7
CMS_2015_I1384119 13000 1.2 -0.20 1.0
TOTEM_2012_I1115294 7000 0.16 +0.010 0.17
UA5_1982_I176647 53 11 -1.0 10
UA5_1986_I233599 [200..900] 3.1 -0.10 3.0
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 n/a - n/a
Rapidity gap size
ATLAS_2012_I1084540 7000 5.3 +0.50 5.8
Identified Particles : pT
η
ALICE_2012_I1116147 7000 0.50 -0.070 0.43
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 8.0 +0.100 8.1
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 13 0 13
Jet pT
CMS_2013_I1261026 7000 n/a - 1.3*
STAR_2006_I723509 200 1.2* +0.10 1.3*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 0.62 -0.11 0.51
Diffraction
ξ
ATLAS_2019_I1762584 8000 73 -1.0 72
n.E
LHCF_2020_I1783943 13000 56 +6.0 62
n.avgk
LHCF_2020_I1783943 13000 1.6 0 1.6
n.eflow
LHCF_2020_I1783943 13000 24 0 24
n.k
LHCF_2020_I1783943 13000 21 +1.0 22
Multiplicity Distributions
ALICE_2010_I852264 7000 1.6 +0.20 1.8
ALICE_2010_I852450 [900..2360] 4.0 +0.50 4.5
ATLAS_2010_I849050 900 n/a - n/a
CDF_2002_I567774 [630..1800] 5.1 +0.40 5.5
CDF_2009_NOTE_9936 1960 n/a - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 23 +1.0 24
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 4.8 +3.2 8.0*
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 39 +1.0 40
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] 2.8 -0.80 2.0
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 12 +3.0 15
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 18 -2.0 16
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 45 -3.0 42
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 28 0 28
phi2pippim_pt
ALICE_2020_I1797443 13000 2.0 0 2.0
Identified Particles : pT
φ
ALICE_2011_I881474 900 9.6 -1.0 8.6
ALICE_2020_I1797443 13000 8.0 -0.100 7.9
ATLAS_2014_I1282441 7000 2.6 0 2.6
LHCB_2011_I919315 7000 9.2 -1.4 7.8
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 2.0 -0.30 1.7
LHCB_2011_I919315 7000 14 -2.0 12
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 2.2* 0 2.2*
LHCF_2012_I1115479 7000 6.2 -0.30 5.9
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 -0.040 0.22
Identified Particles : pT
π-
ALICE_2011_I885104 900 0.34 -0.010 0.33
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 1.3 0 1.3
Identified Particles : pT
π+
ALICE_2011_I885104 900 0.49 +0.010 0.50
STAR_2006_I709170 200 n/a - n/a
STAR_2008_I793126 200 0.86 +0.34 1.2
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 2.5 0 2.5
ALICE_2020_I1797443 13000 6.0 0 6.0
Identified Particles : pT
pbar
ALICE_2011_I885104 900 23 -1.0 22
Identified Particles : pT
p
ALICE_2011_I885104 900 24 0 24
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 18 -2.0 16
ALICE_2020_I1797443 13000 n/a - n/a
pT Distributions
ALICE_2010_I860416 900 7.3 - n/a
ATLAS_2010_I849050 900 11 - n/a
CDF_1988_I263320 [630..1800] n/a - n/a
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 26* -2.0 24*
<pT> vs mass
ALICE_2011_I885104 900 n/a - n/a
ALICE_2014_I1300380 7000 n/a - n/a
STAR_2006_I722757 200 15 -1.0 14
Diffraction
Δη
ATLAS_2019_I1762584 8000 81 -6.0 75
Diffraction
|t|
ATLAS_2019_I1762584 8000 68 -2.0 66
sqrts.xsec
ALICE_2012_I1181770 900:2760:7000 n/a - n/a
Σ(ET)
ATLAS_2012_I1183818 7000 30 +1.0 31
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 41 -3.0 38
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 26 0 26
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 2.7 +0.100 2.8
CMS_2012_I1193338 7000 1.7 +0.10 1.8

* 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.