Generator / tune

Details for Sherpa 2.2.7 default vs. 2.2.8

pp/ppbar → Soft QCD (inelastic)


Observable Reference Energy χ2+5% (2.2.7) Δ χ2+5% (2.2.8)
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 n/a - 13
ALICE_2022_I1868463 13000 34 +1.0 35
LHCB_2013_I1218996 7000 480 -30 450
Identified Particles : pT
D0
ALICE_2017_I1511870 7000 6.6 +0.30 6.9
Identified Particles : σ
D0
ALICE_2017_I1511870 7000 24 0 24
Identified Particles : pT
D+
ALICE_2017_I1511870 7000 9.0 +2.0 11
LHCB_2013_I1218996 7000 180 +20 200
Identified Particles : σ
D+
ALICE_2017_I1511870 7000 7.8 +0.50 8.3
Identified Particles : Ratios
D+/D0 vs pT
ALICE_2017_I1511870 7000 0.44 +0.66 1.1
Identified Particles : pT
Ds+
ALICE_2017_I1511870 7000 6.9 +0.50 7.4
LHCB_2013_I1218996 7000 73* +23 96*
Identified Particles : σ
Ds+
ALICE_2017_I1511870 7000 4.7 -0.50 4.2
Identified Particles : Ratios
Ds+/D0 vs pT
ALICE_2017_I1511870 7000 2.6 -0.10 2.5
Identified Particles : Ratios
Ds+/D+ vs pT
ALICE_2017_I1511870 7000 3.3 -1.2 2.1
Identified Particles : pT
D*+
ALICE_2017_I1511870 7000 9.0 - n/a
LHCB_2013_I1218996 7000 130 +20 150
Identified Particles : σ
D*+
ALICE_2017_I1511870 7000 7.4 +0.50 7.9
Identified Particles : Ratios
D*+/D0 vs pT
ALICE_2017_I1511870 7000 0.76 - n/a
K0S2pippim_pt
ALICE_2020_I1797443 13000 15 -1.0 14
Identified Particles : pT
K0S
ALICE_2011_I881474 900 17 -2.0 15
ALICE_2020_I1797443 13000 120 +10 130
LHCB_2010_I865584 900 14 0 14
STAR_2006_I722757 200 12 0 12
Identified Particles : Ratios
K-/K+ vs |y|
LHCB_2012_I1119400 [900..7000] 1.4 +0.20 1.6
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 18 -2.0 16
ALICE_2020_I1797443 13000 8.2 +0.20 8.4
Identified Particles : Ratios
(K-+K+)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 26 0 26
Identified Particles : pT
K-
ALICE_2011_I885104 900 6.0 -0.30 5.7
STAR_2006_I722757 200 8.5 -1.9 6.6
STAR_2008_I793126 200 2.2 +0.70 2.9
Identified Particles : pT
K+
ALICE_2011_I885104 900 9.1 -1.1 8.0
STAR_2006_I722757 200 16 0 16
STAR_2008_I793126 200 4.0 +0.40 4.4
Identified Particles : pT
K+ + K-
ALICE_2015_I1357424 7000 36 -3.0 33
ALICE_2020_I1797443 13000 47 +1.0 48
Kst0Kst0b2pippim_pt
ALICE_2020_I1797443 13000 2.5 -0.10 2.4
Kst0Kst0b_pt
ALICE_2020_I1797443 13000 13 0 13
Identified Particles : Ratios
Λ/K0S vs pT
ALICE_2011_I881474 900 340 -10 330
ALICE_2020_I1797443 13000 82 +6.0 88
LLbar_pt
ALICE_2020_I1797443 13000 280 0 280
Identified Particles : pT
Λ
ALICE_2011_I881474 900 69 -5.0 64
STAR_2006_I722757 200 n/a - n/a
Identified Particles : pT
Λc+
ALICE_2022_I1868463 13000 23 0 23
LHCB_2013_I1218996 7000 1,400 0 1,900
Identified Particles : Ratios
Λc+/D0 vs pT
ALICE_2022_I1868463 13000 31 0 31
Identified Particles : Ratios
Λc+ from Σc0,+,++/Λc+ vs pT
ALICE_2022_I1868463 13000 0.96 +0.54 1.5
Identified Particles : Ratios
Λbar/K0S vs pT
LHCB_2011_I917009 [900..7000] 71 0 71
Identified Particles : Ratios
Λbar/K0S vs |y|
LHCB_2011_I917009 [900..7000] 56 0 56
Identified Particles : Ratios
Λbar/K0S vs |Δy|
LHCB_2011_I917009 [900..7000] 61 0 61
Identified Particles : Ratios
Λbar/Λ vs pT
LHCB_2011_I917009 [900..7000] 5.0 -0.40 4.6
STAR_2006_I722757 200 n/a - n/a
Identified Particles : Ratios
Λbar/Λ vs |y|
LHCB_2011_I917009 [900..7000] 2.4 +0.50 2.9
Identified Particles : Ratios
Λbar/Λ vs |Δy|
LHCB_2011_I917009 [900..7000] 4.4 +0.60 5.0
Identified Particles : pT
Λbar
ALICE_2011_I881474 900 46 +2.0 48
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 26 -2.0 24
Identified Particles : pT
Σbar(1385)+
ALICE_2014_I1300380 7000 18 -1.0 17
Identified Particles : pT
Σ(1385)-
ALICE_2014_I1300380 7000 24 0 24
Identified Particles : pT
Σ(1385)+
ALICE_2014_I1300380 7000 26 -2.0 24
Identified Particles : pT
Σc0,+,++
ALICE_2022_I1868463 13000 7.9 0 7.9
Identified Particles : Ratios
Σc0,+,++/D0 vs pT
ALICE_2022_I1868463 13000 7.2 -0.30 6.9
Identified Particles : pT
Ξ(1530)
ALICE_2014_I1300380 7000 n/a - 41
Xi2phi_pt
ALICE_2020_I1797443 13000 75 -5.0 70
Identified Particles : pT
Ξ
ALICE_2011_I881474 900 22 +1.0 23
ALICE_2020_I1797443 13000 640 0 640
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 9.6 -3.4 6.2
<pT> vs Nch
ALICE_2010_I860416 900 1.9* 0 1.9*
ATLAS_2010_I849050 900 1.2 -0.100 1.1
CDF_2002_I567774 [630..1800] 0.56 -0.050 0.51
CDF_2009_I817466 1960 0.60 +0.40 1.0
CMS_2013_I1261026 7000 3.9 -0.30 3.6
UA1_1990_I280412 [63..900] 5.0* +0.30 5.3*
Identified Particles : σ
ccbar
ALICE_2017_I1511870 7000 20 0 20
Energy flow
LHCB_2013_I1208105 7000 76 -1.0 75
Forward energy flow ratio
CMS_2013_I1218372 [900..7000] 6.7 -0.20 6.5
EM energy spectrum
CMS_2017_I1511284 13000 310 +30 340
Hadronic energy spectrum
CMS_2017_I1511284 13000 380 +10 390
Total energy spectrum
CMS_2017_I1511284 13000 2,900 +1.0 3,000
η Distributions
ALICE_2010_I852264 [900..7000] 27 0 27
ATLAS_2010_I849050 900 14 0 14
CDF_1990_I283352 [630..1800] 4.0 0 4.0
CMS_2015_I1384119 13000 49 0 49
TOTEM_2012_I1115294 7000 3.9 -0.10 3.8
UA5_1982_I176647 53 79 0 79
UA5_1986_I233599 [200..900] 40 0 40
Identified Particles : Ratios
η/π0 vs pT
ALICE_2012_I1116147 7000 5.3 +0.80 6.1
Rapidity gap size
ATLAS_2012_I1084540 7000 4,500* +9,200 14,000
Identified Particles : pT
η
ALICE_2012_I1116147 7000 7.6 -0.70 6.9
FB Correlations
b(Nch) vs Δη
UA5_1988_I263399 [200..900] 85,000 +240,000 320,000
FB Correlations
b(Nch) vs ηC
UA5_1988_I263399 [200..900] 5,100 -1.0 4,100
Jet pT
CMS_2013_I1261026 7000 9.8* - n/a
STAR_2006_I723509 200 31* +5.0 36*
Jet Shapes
Differential Jet Shape
CMS_2013_I1261026 7000 2.8 +0.30 3.1
Diffraction
ξ
ATLAS_2019_I1762584 8000 n/a - n/a
n.E
LHCF_2020_I1783943 13000 20,000* -18,000 2,100*
n.avgk
LHCF_2020_I1783943 13000 21 0 21
n.eflow
LHCF_2020_I1783943 13000 14,000 0 14,000
n.k
LHCF_2020_I1783943 13000 7,200 0 7,900
Multiplicity Distributions
ALICE_2010_I852264 7000 230 0 230
ALICE_2010_I852450 [900..2360] 74 +1.0 75
ATLAS_2010_I849050 900 43 +2.0 45
CDF_2002_I567774 [630..1800] 610 +50 660
CDF_2009_NOTE_9936 1960 700 - n/a
STAR_2008_I793126 200 n/a - n/a
UA1_1990_I280412 [200..900] 18,000* +5,300 23,000
UA5_1987_I244829 546 19,000 0 19,000
UA5_1989_I267179 [200..900] 15,000* -2,800 12,000*
Jet Multiplicities
Nj vs Nch
CMS_2013_I1261026 7000 25 +18 43*
Identified Particles : Ratios
p/π+ vs pT
ALICE_2020_I1797443 13000 54 - n/a
STAR_2006_I709170 200 n/a - 9.1
Identified Particles : pT
p
STAR_2006_I709170 200 n/a - 9.8
STAR_2008_I793126 200 100 -8.0 92
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] 8.1 +0.80 8.9
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 13 0 13
Identified Particles : Ratios
(pbar+p)/(K-+K+) vs |y|
LHCB_2012_I1119400 [900..7000] 15 -1.0 14
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs pT
ALICE_2015_I1357424 7000 110 +10 120
Identified Particles : Ratios
(pbar+p)/(π-+π+) vs |y|
LHCB_2012_I1119400 [900..7000] 58 -2.0 56
phi2pippim_pt
ALICE_2020_I1797443 13000 43 +3.0 46
Identified Particles : pT
φ
ALICE_2011_I881474 900 16 -2.0 14
ALICE_2020_I1797443 13000 110 0 110
ATLAS_2014_I1282441 7000 17 +1.0 18
LHCB_2011_I919315 7000 54 -1.0 53
Identified Particles : Y
φ
ATLAS_2014_I1282441 7000 11 0 11
LHCB_2011_I919315 7000 56 -2.0 54
Identified Particles : pT
π0
ALICE_2012_I1116147 [900..7000] 19* 0 19*
LHCF_2012_I1115479 7000 3.8* +0.70 4.5*
Identified Particles : Ratios
π-/π+ vs pT
STAR_2006_I709170 200 n/a - 0.51
Identified Particles : Ratios
π-/π+ vs |y|
LHCB_2012_I1119400 [900..7000] 0.15 -0.0100 0.14
Identified Particles : pT
π-
ALICE_2011_I885104 900 6.1 -0.30 5.8
STAR_2006_I709170 200 n/a - 4.8
STAR_2008_I793126 200 0.67 +0.100 0.77
Identified Particles : pT
π+
ALICE_2011_I885104 900 5.9 -0.20 5.7
STAR_2006_I709170 200 5.4 -0.50 4.9
STAR_2008_I793126 200 0.81 -0.14 0.67
Identified Particles : pT
π+ + π-
ALICE_2015_I1357424 7000 13 0 13
ALICE_2020_I1797443 13000 16 0 16
Identified Particles : pT
pbar
ALICE_2011_I885104 900 41 0 41
Identified Particles : pT
p
ALICE_2011_I885104 900 43 0 43
Identified Particles : pT
p + pbar
ALICE_2015_I1357424 7000 78 0 78
ALICE_2020_I1797443 13000 68 - n/a
pT Distributions
ALICE_2010_I860416 900 5.7 +0.30 6.0
ATLAS_2010_I849050 900 18 0 18
CDF_1988_I263320 [630..1800] 780 +20 800
CDF_2009_I817466 1960 n/a - n/a
UA1_1990_I280412 [200..900] 590* 0 590*
<pT> vs mass
ALICE_2011_I885104 900 5.9 -0.50 5.4
ALICE_2014_I1300380 7000 2.4 +0.60 3.0
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 16,000* 0 16,000*
Σ(ET)
ATLAS_2012_I1183818 7000 3,400 0 3,300
CDF_2009_I817466 1960 20 0 20
UA1_1990_I280412 [200..900] 920,000* - n/a
Σ(ET) vs Nch
UA1_1990_I280412 [200..900] 6.7 0 6.7
Diffractive ξ
CMS_2012_I1184941 7000 n/a - n/a
Cross sections
ATLAS_2011_I894867 7000 110 -10 100
CMS_2012_I1193338 7000 87 -4.0 83

* 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.