MCPLOTS

Pythia 6 (357:T16) 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	+0.088	220	+0.34	220
	2.4	0	2.4	0	2.4
	0.00024	-0.062	0.00033	-0.15	0.00027
pp/ppbar → bb	180	+0.11	180	+21	200
	28	0	28	+2.0	30
	0.32	-0.46	0.32	-0.029	0.31
pp/ppbar → Elastic	23	+0.024	23	+0.045	23
	19	0	19	0	19
	15	+0.000100	15	+0.000100	15
pp/ppbar → Jets	550	+2.6	550	+25	570
	7.5	0	7.5	+0.50	8.0
	0.00077	-0.77	0.00049	-12	0.00021
pp/ppbar → Soft QCD (inelastic)	320	+3.5	310	+14	320
	17	0	17	0	17
	0.00025	-5.2	0.00025	-13	0.00025
pp/ppbar → Soft QCD (nsd only)	37	+0.43	37	+2.5	39
	8.1	-0.20	7.9	-0.10	7.8
	0.30	-0.67	0.29	-1.6	0.27
pp/ppbar → Total σ	2.0	-0.00034	2.0	-0.0014	2.0
	2.0	0	2.0	0	2.0
	2.0	-0.00034	2.0	-0.0014	2.0
pp/ppbar → tt	2.8	+0.031	2.7	+0.18	2.8
	0.53	0	0.53	+0.020	0.55
	0.0088	-0.039	0.0089	-0.0054	0.0093
pp/ppbar → Underlying Event	690	+0.61	690	+1.6	690
	32	-1.0	31	0	31
	0.024	-0.50	0.023	-11	0.021
pp/ppbar → W+Jet	7.7	+0.38	6.1	+3.0	8.4
	4.0	-0.30	3.7	-0.20	3.5
	1.5	-0.42	1.6	-2.9	0.87
pp/ppbar → W	16	+2.6	18	+3.4	22
	4.9	-0.80	4.1	+1.5	5.6
	0.56	-4.1	1.3	-0.62	0.73
pp/ppbar → Z+Jet	19	+0.063	19	+4.9	21
	5.1	+0.20	5.3	-0.40	4.9
	1.6	-0.44	1.6	-2.9	0.93
pp/ppbar → Z (Drell-Yan)	12	+0.19	12	+0.28	12
	2.1	-0.10	2.0	-0.10	1.9
	0.35	-1.1	0.31	-0.75	0.30

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 3911 histograms.