Generator / tune

Details for Pythia 6.426 352 vs. v.6.427

pp/ppbar → Z (Drell-Yan)

Observable Cut Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Jet Substructure
Splitting scale d0		 ATLAS 71 < mll < 111 8000 n/a* - 23
ATLAS 71 < mll < 111 8000 23 -2.0 21
ATLAS 71 < mll < 111 8000 27 -4.0 23
ATLAS 71 < mll < 111 8000 24 -3.0 21
ATLAS 71 < mll < 111 8000 17 -2.0 15
ATLAS 71 < mll < 111 8000 14 -1.0 13
ATLAS 71 < mll < 111 8000 20 -3.0 17
ATLAS 71 < mll < 111 8000 17 0 17
Jet Substructure
Splitting scale d1		 ATLAS 71 < mll < 111 8000 33 - n/a*
ATLAS 71 < mll < 111 8000 n/a* - 26
ATLAS 71 < mll < 111 8000 34 - n/a*
ATLAS 71 < mll < 111 8000 n/a* - 28
ATLAS 71 < mll < 111 8000 20 -1.0 19
ATLAS 71 < mll < 111 8000 22 -2.0 20
ATLAS 71 < mll < 111 8000 27 -2.0 25
ATLAS 71 < mll < 111 8000 26 -2.0 24
Jet Substructure
Splitting scale d2		 ATLAS 71 < mll < 111 8000 36 - n/a*
ATLAS 71 < mll < 111 8000 n/a* - n/a*
ATLAS 71 < mll < 111 8000 36 -4.0 32
ATLAS 71 < mll < 111 8000 n/a* - n/a*
ATLAS 71 < mll < 111 8000 24 -1.0 23
ATLAS 71 < mll < 111 8000 22 -1.0 21
ATLAS 71 < mll < 111 8000 32 -4.0 28
ATLAS 71 < mll < 111 8000 32 -2.0 30
Jet Substructure
Splitting scale d3		 ATLAS 71 < mll < 111 8000 38 - n/a*
ATLAS 71 < mll < 111 8000 n/a* - n/a*
ATLAS 71 < mll < 111 8000 39 -6.0 33
ATLAS 71 < mll < 111 8000 n/a* - n/a*
ATLAS 71 < mll < 111 8000 26 -1.0 25
ATLAS 71 < mll < 111 8000 25 0 25
ATLAS 71 < mll < 111 8000 32 -4.0 28
ATLAS 71 < mll < 111 8000 31 -2.0 29
Jet Substructure
Splitting scale d4		 ATLAS 71 < mll < 111 8000 37 -4.0 33
ATLAS 71 < mll < 111 8000 40 -2.0 38
ATLAS 71 < mll < 111 8000 40 -6.0 34
ATLAS 71 < mll < 111 8000 n/a* - n/a*
ATLAS 71 < mll < 111 8000 26 -3.0 23
ATLAS 71 < mll < 111 8000 25 0 25
ATLAS 71 < mll < 111 8000 26 -3.0 23
ATLAS 71 < mll < 111 8000 25 -2.0 23
Jet Substructure
Splitting scale d5		 ATLAS 71 < mll < 111 8000 37 -4.0 33
ATLAS 71 < mll < 111 8000 n/a* - 39
ATLAS 71 < mll < 111 8000 n/a* - 35
ATLAS 71 < mll < 111 8000 38 - n/a*
ATLAS 71 < mll < 111 8000 23 -3.0 20
ATLAS 71 < mll < 111 8000 25 -1.0 24
ATLAS 71 < mll < 111 8000 27 -4.0 23
ATLAS 71 < mll < 111 8000 26 -2.0 24
Jet Substructure
Splitting scale d6		 ATLAS 71 < mll < 111 8000 39 -5.0 34
ATLAS 71 < mll < 111 8000 n/a* - 37
ATLAS 71 < mll < 111 8000 43 -8.0 35
ATLAS 71 < mll < 111 8000 n/a* - n/a*
ATLAS 71 < mll < 111 8000 24 -2.0 22
ATLAS 71 < mll < 111 8000 24 -1.0 23
ATLAS 71 < mll < 111 8000 26 -3.0 23
ATLAS 71 < mll < 111 8000 27 -2.0 25
Jet Substructure
Splitting scale d7		 ATLAS 71 < mll < 111 8000 43 -6.0 37
ATLAS 71 < mll < 111 8000 47 -5.0 42
ATLAS 71 < mll < 111 8000 40 -6.0 34
ATLAS 71 < mll < 111 8000 36 -2.0 34
ATLAS 71 < mll < 111 8000 23 -3.0 20
ATLAS 71 < mll < 111 8000 22 -1.0 21
ATLAS 71 < mll < 111 8000 24 -3.0 21
ATLAS 71 < mll < 111 8000 22 -2.0 20
Dilepton
Δη		 ATLAS 116 < mll < 150 8000 38 -10 28
ATLAS 116 < mll < 150 8000 34 -8.0 26
ATLAS 150 < mll < 200 8000 28 +3.0 31
ATLAS 150 < mll < 200 8000 32 -2.0 30
ATLAS 200 < mll < 300 8000 19 -1.0 18
ATLAS 200 < mll < 300 8000 21 +2.0 23
ATLAS 300 < mll < 500 8000 6.0 +0.20 6.2
ATLAS 300 < mll < 500 8000 14 0 14
ATLAS 500 < mll < 1500 8000 3.2 +0.20 3.4
ATLAS 500 < mll < 1500 8000 4.6 +0.20 4.8
Dilepton
m		 ATLAS dilepton mass 13000 n/a* - n/a*
ATLAS dilepton mass 13000 n/a* - n/a*
PHENIX Drell-Yan 200 1.5 -0.10 1.4
Dilepton
φ*η		 D0 (electron channel) |yZ| < 1 1960 1.2 -0.100 1.1
D0 (electron channel) 1 < |yZ| < 2 1960 1.2 +0.10 1.3
D0 (electron channel) |yZ| > 2 1960 n/a* - n/a*
D0 (muon channel) |yZ| < 1 1960 1.4 +0.10 1.5
D0 (muon channel) 1 < |yZ| < 2 1960 n/a* - n/a*
LHCb pT(e) > 20, 2 < η < 5, 60 < mee < 120 7000 11 0 11
Dilepton
φ*η ratio		 CMS Drell--Yan 13000 2.8 -1.4 1.4
CMS Drell--Yan 13000 0.46 +0.64 1.1
CMS Drell--Yan 13000 n/a* - n/a*
Dilepton
pT		 ATLAS (electron channel, bare) 7000 1.4 +0.20 1.6
ATLAS (electron channel, dressed) 7000 1.6 +0.20 1.8
ATLAS (muon channel, bare) 7000 1.7 -0.20 1.5
ATLAS (muon channel, dressed) 7000 1.8 -0.30 1.5
CDF 66 < mee < 116 1800 12 0 12
CDF 66 < mee < 116 1960 15 - n/a*
D0 (muon channel) 1960 1.7 -0.91 0.79
D0 (muon channel) 1960 9.0 -1.0 8.0
PHENIX Drell-Yan 200 0.97 -0.060 0.91
Dilepton
y		 ATLAS 116 < mll < 150 8000 36 -8.0 28
ATLAS 116 < mll < 150 8000 37 -9.0 28
ATLAS 150 < mll < 200 8000 29 +3.0 32
ATLAS 150 < mll < 200 8000 32 -2.0 30
ATLAS 200 < mll < 300 8000 19 -1.0 18
ATLAS 200 < mll < 300 8000 21 +2.0 23
ATLAS 300 < mll < 500 8000 6.5 +0.30 6.8
ATLAS 300 < mll < 500 8000 14 0 14
ATLAS 500 < mll < 1500 8000 2.5 0 2.5
ATLAS 500 < mll < 1500 8000 4.2 -0.10 4.1
LHCb pT(e) > 20, 2 < η < 5, 60 < mee < 120 7000 13 0 13
Jet Multiplicities
Jet multiplicity		 CMS (electron channel) 7000 2.6 -0.50 2.1
CMS (muon channel) 7000 2.6 -0.10 2.5
Jet Multiplicities
Ratios of jet multiplicity		 CMS (electron channel) 7000 1.7 -0.30 1.4
CMS (muon channel) 7000 1.4 +0.10 1.5
pT(Z) ratio CMS Drell--Yan 13000 n/a* - 1.0
CMS Drell--Yan 13000 2.5 -1.8 0.73
CMS Drell--Yan 13000 n/a* - n/a*
CMS Drell--Yan 13000 n/a* - n/a*
CMS Drell--Yan 13000 n/a* - n/a*

* not applicable: because number of bins of data histogram is different than number of bins of theory histogram

The page data is based on 230 histograms.