MCPLOTS

Pythia 6 (355:M) versions validation

Versions:	6.425 6.426 6.427 6.428

<χ²> incl. 5% "theory uncertainty" on all points	max	worst	max	worst	max
	6.426	<Δ>	6.427	<Δ>	6.428
	min	best	min	best	min
ee → γ*/Z (hadronic)	220	+0.078	220	+1.3	220
	2.4	0	2.4	0	2.4
	0.00022	-1.2	0.00026	-0.22	0.00027
pp/ppbar → bb	110	+0.71	110	+22	130
	18	0	18	+3.0	21
	0.0058	-0.032	0.0061	-0.0022	0.0067
pp/ppbar → Elastic	23	+0.023	23	+0.033	23
	19	0	19	0	19
	15	+0.000100	15	0	15
pp/ppbar → Jets	510	+1.3	510	+17	520
	7.4	+0.100	7.5	+0.40	7.9
	0.00025	-2.3	0.00025	-11	0.00037
pp/ppbar → Soft QCD (inelastic)	260	+2.2	260	+15	270
	8.6	-0.100	8.5	+0.100	8.6
	0.00025	-4.0	0.00025	-5.2	0.00025
pp/ppbar → Soft QCD (nsd only)	12	+0.30	12	+0.78	13
	2.8	0	2.8	-0.100	2.7
	0.28	-0.088	0.28	-1.5	0.32
pp/ppbar → Total σ	2.0	+0.00056	2.0	+0.00033	2.0
	2.0	0	2.0	0	2.0
	2.0	+0.00056	2.0	+0.00033	2.0
pp/ppbar → tt	2.7	+0.032	2.6	+0.19	2.8
	0.53	0	0.53	+0.020	0.55
	0.0082	-0.021	0.0087	-0.026	0.011
pp/ppbar → Underlying Event	690	+0.50	690	+3.5	690
	25	0	25	0	25
	0.026	-1.6	0.022	-2.8	0.043
pp/ppbar → W+Jet	8.7	+0.15	8.6	+2.5	7.6
	4.3	-0.100	4.2	-0.60	3.6
	2.4	-0.34	2.2	-3.4	0.75
pp/ppbar → W	39	+2.3	41	+4.5	34
	6.4	+0.50	6.9	+0.30	7.2
	0.23	-0.33	0.23	-6.1	0.24
pp/ppbar → Z+Jet	19	+0.050	19	+4.5	21
	5.4	-0.10	5.3	-0.30	5.0
	1.7	-0.30	1.7	-3.0	1.1
pp/ppbar → Z (Drell-Yan)	9.6	+0.063	9.6	+0.36	9.6
	2.8	+0.70	3.5	-0.70	2.8
	0.36	-0.41	1.5	-0.050	0.27

Legend: [ χ² < 1 ] / [ 1 ≤ χ² < 4 ] / [ 4 ≤ χ² ]

(click on number in the table cell to see individual observables)

The page data is based on 3929 histograms.