MCPLOTS

Pythia 6 (359:TeV) 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	+0.16	220	+0.26	220
	2.4	0	2.4	0	2.4
	0.00034	-0.079	0.00027	-0.94	0.00026
pp/ppbar → bb	180	+1.1	180	+18	200
	28	0	28	+2.0	30
	0.33	-0.18	0.33	-0.033	0.32
pp/ppbar → Elastic	23	+0.017	23	+0.031	23
	19	0	19	0	19
	15	0	15	+0.00020	15
pp/ppbar → Jets	520	+1.4	520	+21	540
	7.3	0	7.3	+0.50	7.8
	0.0016	-2.4	0.0015	-12	0.00011
pp/ppbar → Soft QCD (inelastic)	260	+1.8	260	+11	260
	8.9	-0.100	8.8	+0.100	8.9
	0.00025	-1.9	0.00025	-4.7	0.00025
pp/ppbar → Soft QCD (nsd only)	17	+0.38	17	+0.98	16
	3.9	+0.10	4.0	-0.20	3.8
	0.62	-0.13	0.58	-1.2	0.58
pp/ppbar → Total σ	2.0	+0.000050	2.0	+0.00038	2.0
	2.0	0	2.0	0	2.0
	2.0	+0.000050	2.0	+0.00038	2.0
pp/ppbar → tt	2.5	+0.047	2.6	+0.20	2.6
	0.48	0	0.48	+0.030	0.51
	0.0060	-0.014	0.0066	-0.012	0.011
pp/ppbar → Underlying Event	690	+1.7	690	+3.4	690
	25	0	25	0	25
	0.031	-0.99	0.033	-3.5	0.035
pp/ppbar → W+Jet	8.9	+0.28	6.1	+3.1	8.0
	4.4	-0.40	4.0	-0.40	3.6
	2.5	-0.10	2.5	-2.6	1.3
pp/ppbar → W	19	+5.1	24	+3.2	22
	5.0	+0.60	5.6	-0.100	5.5
	1.3	-0.43	1.8	-2.1	1.2
pp/ppbar → Z+Jet	19	+0.10	19	+4.5	21
	5.3	-0.100	5.2	-0.30	4.9
	1.6	-0.22	1.6	-2.9	1.4
pp/ppbar → Z (Drell-Yan)	12	+0.91	12	+0.22	12
	1.8	+0.20	2.0	0	2.0
	0.24	-0.17	0.30	-0.044	0.29

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 3938 histograms.